{"asset": "epa-water-quality-criteria-human-health", "asset_type": "threshold", "body": "EPA Section 304(a) recommended human health ambient water quality criteria for ~120 pollutants. For each pollutant: the CAS number, the 'water + organism' threshold in \u00b5g/L (for waters that are both a drinking-water source and support aquatic life), and the 'organism only' threshold (for waters not used as drinking-water sources). These are recommendations for states adopting water quality standards, NOT enforceable MCLs (which are in drinking-water-contaminant-limits). Used by environmental consultants writing NPDES permits, state agencies setting water quality standards, and industrial dischargers determining compliance. Note: this is a mirror of one EPA table. The stronger juxtaposition version comparing EPA recommended values with state-adopted criteria would not be a mirror, because states adopt different numbers for the same pollutant.\n", "description": "EPA Section 304(a) recommended human health ambient water quality criteria for ~120 pollutants. For each pollutant: the CAS number, the 'water + organism' threshold in \u00b5g/L (for waters that are both a drinking-water source and support aquatic life), and the 'organism only' threshold (for waters not used as drinking-water sources). These are recommendations for states adopting water quality standards, NOT enforceable MCLs (which are in drinking-water-contaminant-limits). Used by environmental consultants writing NPDES permits, state agencies setting water quality standards, and industrial dischargers determining compliance. Note: this is a mirror of one EPA table. The stronger juxtaposition version comparing EPA recommended values with state-adopted criteria would not be a mirror, because states adopt different numbers for the same pollutant.", "file": "index.md", "generated": true, "harvested": "2026-08-17", "key_field": "pollutant", "licence": "unknown", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "dataset", "verified": false} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** 1,1,1-Trichloroethane (P)\n\n**CAS Registry Number:** 71556\n\n**Water + Organism criterion (\u00b5g/L):** 10,000\n\n**Organism Only criterion (\u00b5g/L):** 200,000\n\n> 1,1,1-Trichloroethane (P) | 71556 | 10,000 | 200,000 | 2015\n\nSource: \n", "cas_number": "71556", "file": "1-1-1-trichloroethane-p.md", "generated": true, "harvested": "2026-08-17", "id": "1-1-1-trichloroethane-p", "organism_only_threshold": "200,000", "pollutant": "1,1,1-Trichloroethane (P)", "source_quote": "1,1,1-Trichloroethane (P) | 71556 | 10,000 | 200,000 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "1,1,1-Trichloroethane (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "10,000"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** 1,1,2,2-Tetrachloroethane (P)\n\n**CAS Registry Number:** 79345\n\n**Water + Organism criterion (\u00b5g/L):** 0.2\n\n**Organism Only criterion (\u00b5g/L):** 3\n\n> 1,1,2,2-Tetrachloroethane (P) | 79345 | 0.2 | 3 | 2015\n\nSource: \n", "cas_number": "79345", "file": "1-1-2-2-tetrachloroethane-p.md", "generated": true, "harvested": "2026-08-17", "id": "1-1-2-2-tetrachloroethane-p", "organism_only_threshold": "3", "pollutant": "1,1,2,2-Tetrachloroethane (P)", "source_quote": "1,1,2,2-Tetrachloroethane (P) | 79345 | 0.2 | 3 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "1,1,2,2-Tetrachloroethane (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.2"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** 1,1,2-Trichloroethane (P)\n\n**CAS Registry Number:** 79005\n\n**Water + Organism criterion (\u00b5g/L):** 0.55\n\n**Organism Only criterion (\u00b5g/L):** 8.9\n\n> 1,1,2-Trichloroethane (P) | 79005 | 0.55 | 8.9 | 2015\n\nSource: \n", "cas_number": "79005", "file": "1-1-2-trichloroethane-p.md", "generated": true, "harvested": "2026-08-17", "id": "1-1-2-trichloroethane-p", "organism_only_threshold": "8.9", "pollutant": "1,1,2-Trichloroethane (P)", "source_quote": "1,1,2-Trichloroethane (P) | 79005 | 0.55 | 8.9 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "1,1,2-Trichloroethane (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.55"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** 1,1-Dichloroethylene (P)\n\n**CAS Registry Number:** 75354\n\n**Water + Organism criterion (\u00b5g/L):** 300\n\n**Organism Only criterion (\u00b5g/L):** 20,000\n\n> 1,1-Dichloroethylene (P) | 75354 | 300 | 20,000 | 2015\n\nSource: \n", "cas_number": "75354", "file": "1-1-dichloroethylene-p.md", "generated": true, "harvested": "2026-08-17", "id": "1-1-dichloroethylene-p", "organism_only_threshold": "20,000", "pollutant": "1,1-Dichloroethylene (P)", "source_quote": "1,1-Dichloroethylene (P) | 75354 | 300 | 20,000 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "1,1-Dichloroethylene (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "300"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** 1,2,4,5-Tetrachlorobenzene\n\n**CAS Registry Number:** 95943\n\n**Water + Organism criterion (\u00b5g/L):** 0.03\n\n**Organism Only criterion (\u00b5g/L):** 0.03\n\n> 1,2,4,5-Tetrachlorobenzene | 95943 | 0.03 | 0.03 | 2015\n\nSource: \n", "cas_number": "95943", "file": "1-2-4-5-tetrachlorobenzene.md", "generated": true, "harvested": "2026-08-17", "id": "1-2-4-5-tetrachlorobenzene", "organism_only_threshold": "0.03", "pollutant": "1,2,4,5-Tetrachlorobenzene", "source_quote": "1,2,4,5-Tetrachlorobenzene | 95943 | 0.03 | 0.03 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "1,2,4,5-Tetrachlorobenzene \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.03"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** 1,2,4-Trichlorobenzene (P)\n\n**CAS Registry Number:** 120821\n\n**Water + Organism criterion (\u00b5g/L):** 0.071\n\n**Organism Only criterion (\u00b5g/L):** 0.076\n\n> 1,2,4-Trichlorobenzene (P) | 120821 | 0.071 | 0.076 | 2015\n\nSource: \n", "cas_number": "120821", "file": "1-2-4-trichlorobenzene-p.md", "generated": true, "harvested": "2026-08-17", "id": "1-2-4-trichlorobenzene-p", "organism_only_threshold": "0.076", "pollutant": "1,2,4-Trichlorobenzene (P)", "source_quote": "1,2,4-Trichlorobenzene (P) | 120821 | 0.071 | 0.076 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "1,2,4-Trichlorobenzene (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.071"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** 1,2-Dichlorobenzene (P)\n\n**CAS Registry Number:** 95501\n\n**Water + Organism criterion (\u00b5g/L):** 1,000\n\n**Organism Only criterion (\u00b5g/L):** 3,000\n\n> 1,2-Dichlorobenzene (P) | 95501 | 1,000 | 3,000 | 2015\n\nSource: \n", "cas_number": "95501", "file": "1-2-dichlorobenzene-p.md", "generated": true, "harvested": "2026-08-17", "id": "1-2-dichlorobenzene-p", "organism_only_threshold": "3,000", "pollutant": "1,2-Dichlorobenzene (P)", "source_quote": "1,2-Dichlorobenzene (P) | 95501 | 1,000 | 3,000 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "1,2-Dichlorobenzene (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "1,000"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** 1,2-Dichloroethane (P)\n\n**CAS Registry Number:** 107062\n\n**Water + Organism criterion (\u00b5g/L):** 9.9\n\n**Organism Only criterion (\u00b5g/L):** 650\n\n> 1,2-Dichloroethane (P) | 107062 | 9.9 | 650 | 2015\n\nSource: \n", "cas_number": "107062", "file": "1-2-dichloroethane-p.md", "generated": true, "harvested": "2026-08-17", "id": "1-2-dichloroethane-p", "organism_only_threshold": "650", "pollutant": "1,2-Dichloroethane (P)", "source_quote": "1,2-Dichloroethane (P) | 107062 | 9.9 | 650 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "1,2-Dichloroethane (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "9.9"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** 1,2-Dichloropropane (P)\n\n**CAS Registry Number:** 78875\n\n**Water + Organism criterion (\u00b5g/L):** 0.90\n\n**Organism Only criterion (\u00b5g/L):** 31\n\n> 1,2-Dichloropropane (P) | 78875 | 0.90 | 31 | 2015\n\nSource: \n", "cas_number": "78875", "file": "1-2-dichloropropane-p.md", "generated": true, "harvested": "2026-08-17", "id": "1-2-dichloropropane-p", "organism_only_threshold": "31", "pollutant": "1,2-Dichloropropane (P)", "source_quote": "1,2-Dichloropropane (P) | 78875 | 0.90 | 31 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "1,2-Dichloropropane (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.90"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** 1,2-Diphenylhydrazine (P)\n\n**CAS Registry Number:** 122667\n\n**Water + Organism criterion (\u00b5g/L):** 0.03\n\n**Organism Only criterion (\u00b5g/L):** 0.2\n\n> 1,2-Diphenylhydrazine (P) | 122667 | 0.03 | 0.2 | 2015\n\nSource: \n", "cas_number": "122667", "file": "1-2-diphenylhydrazine-p.md", "generated": true, "harvested": "2026-08-17", "id": "1-2-diphenylhydrazine-p", "organism_only_threshold": "0.2", "pollutant": "1,2-Diphenylhydrazine (P)", "source_quote": "1,2-Diphenylhydrazine (P) | 122667 | 0.03 | 0.2 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "1,2-Diphenylhydrazine (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.03"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** 1,3-Dichlorobenzene (P)\n\n**CAS Registry Number:** 541731\n\n**Water + Organism criterion (\u00b5g/L):** 7\n\n**Organism Only criterion (\u00b5g/L):** 10\n\n> 1,3-Dichlorobenzene (P) | 541731 | 7 | 10 | 2015\n\nSource: \n", "cas_number": "541731", "file": "1-3-dichlorobenzene-p.md", "generated": true, "harvested": "2026-08-17", "id": "1-3-dichlorobenzene-p", "organism_only_threshold": "10", "pollutant": "1,3-Dichlorobenzene (P)", "source_quote": "1,3-Dichlorobenzene (P) | 541731 | 7 | 10 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "1,3-Dichlorobenzene (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "7"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** 1,3-Dichloropropene (P)\n\n**CAS Registry Number:** 542756\n\n**Water + Organism criterion (\u00b5g/L):** 0.27\n\n**Organism Only criterion (\u00b5g/L):** 12\n\n> 1,3-Dichloropropene (P) | 542756 | 0.27 | 12 | 2015\n\nSource: \n", "cas_number": "542756", "file": "1-3-dichloropropene-p.md", "generated": true, "harvested": "2026-08-17", "id": "1-3-dichloropropene-p", "organism_only_threshold": "12", "pollutant": "1,3-Dichloropropene (P)", "source_quote": "1,3-Dichloropropene (P) | 542756 | 0.27 | 12 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "1,3-Dichloropropene (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.27"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** 1,4-Dichlorobenzene (P)\n\n**CAS Registry Number:** 106467\n\n**Water + Organism criterion (\u00b5g/L):** 300\n\n**Organism Only criterion (\u00b5g/L):** 900\n\n> 1,4-Dichlorobenzene (P) | 106467 | 300 | 900 | 2015\n\nSource: \n", "cas_number": "106467", "file": "1-4-dichlorobenzene-p.md", "generated": true, "harvested": "2026-08-17", "id": "1-4-dichlorobenzene-p", "organism_only_threshold": "900", "pollutant": "1,4-Dichlorobenzene (P)", "source_quote": "1,4-Dichlorobenzene (P) | 106467 | 300 | 900 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "1,4-Dichlorobenzene (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "300"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** 2,3,7,8-TCDD (Dioxin) (P)\n\n**CAS Registry Number:** 1746016\n\n**Water + Organism criterion (\u00b5g/L):** 5.0E-9\n\n**Organism Only criterion (\u00b5g/L):** 5.1E-9\n\n> 2,3,7,8-TCDD (Dioxin) (P) | 1746016 | 5.0E-9 | 5.1E-9 | 2002\n\nSource: \n", "cas_number": "1746016", "file": "2-3-7-8-tcdd-dioxin-p.md", "generated": true, "harvested": "2026-08-17", "id": "2-3-7-8-tcdd-dioxin-p", "organism_only_threshold": "5.1E-9", "pollutant": "2,3,7,8-TCDD (Dioxin) (P)", "source_quote": "2,3,7,8-TCDD (Dioxin) (P) | 1746016 | 5.0E-9 | 5.1E-9 | 2002", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "2,3,7,8-TCDD (Dioxin) (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "5.0E-9"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** 2,4,5-Trichlorophenol\n\n**CAS Registry Number:** 95954\n\n**Water + Organism criterion (\u00b5g/L):** 300\n\n**Organism Only criterion (\u00b5g/L):** 600\n\n> 2,4,5-Trichlorophenol | 95954 | 300 | 600 | 2015\n\nSource: \n", "cas_number": "95954", "file": "2-4-5-trichlorophenol.md", "generated": true, "harvested": "2026-08-17", "id": "2-4-5-trichlorophenol", "organism_only_threshold": "600", "pollutant": "2,4,5-Trichlorophenol", "source_quote": "2,4,5-Trichlorophenol | 95954 | 300 | 600 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "2,4,5-Trichlorophenol \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "300"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** 2,4,6-Trichlorophenol (P)\n\n**CAS Registry Number:** 88062\n\n**Water + Organism criterion (\u00b5g/L):** 1.5\n\n**Organism Only criterion (\u00b5g/L):** 2.8\n\n> 2,4,6-Trichlorophenol (P) | 88062 | 1.5 | 2.8 | 2015\n\nSource: \n", "cas_number": "88062", "file": "2-4-6-trichlorophenol-p.md", "generated": true, "harvested": "2026-08-17", "id": "2-4-6-trichlorophenol-p", "organism_only_threshold": "2.8", "pollutant": "2,4,6-Trichlorophenol (P)", "source_quote": "2,4,6-Trichlorophenol (P) | 88062 | 1.5 | 2.8 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "2,4,6-Trichlorophenol (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "1.5"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** 2,4-Dichlorophenol (P)\n\n**CAS Registry Number:** 120832\n\n**Water + Organism criterion (\u00b5g/L):** 10\n\n**Organism Only criterion (\u00b5g/L):** 60\n\n> 2,4-Dichlorophenol (P) | 120832 | 10 | 60 | 2015\n\nSource: \n", "cas_number": "120832", "file": "2-4-dichlorophenol-p.md", "generated": true, "harvested": "2026-08-17", "id": "2-4-dichlorophenol-p", "organism_only_threshold": "60", "pollutant": "2,4-Dichlorophenol (P)", "source_quote": "2,4-Dichlorophenol (P) | 120832 | 10 | 60 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "2,4-Dichlorophenol (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "10"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** 2,4-Dimethylphenol (P)\n\n**CAS Registry Number:** 105679\n\n**Water + Organism criterion (\u00b5g/L):** 100\n\n**Organism Only criterion (\u00b5g/L):** 3,000\n\n> 2,4-Dimethylphenol (P) | 105679 | 100 | 3,000 | 2015\n\nSource: \n", "cas_number": "105679", "file": "2-4-dimethylphenol-p.md", "generated": true, "harvested": "2026-08-17", "id": "2-4-dimethylphenol-p", "organism_only_threshold": "3,000", "pollutant": "2,4-Dimethylphenol (P)", "source_quote": "2,4-Dimethylphenol (P) | 105679 | 100 | 3,000 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "2,4-Dimethylphenol (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "100"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** 2,4-Dinitrophenol (P)\n\n**CAS Registry Number:** 51285\n\n**Water + Organism criterion (\u00b5g/L):** 10\n\n**Organism Only criterion (\u00b5g/L):** 300\n\n> 2,4-Dinitrophenol (P) | 51285 | 10 | 300 | 2015\n\nSource: \n", "cas_number": "51285", "file": "2-4-dinitrophenol-p.md", "generated": true, "harvested": "2026-08-17", "id": "2-4-dinitrophenol-p", "organism_only_threshold": "300", "pollutant": "2,4-Dinitrophenol (P)", "source_quote": "2,4-Dinitrophenol (P) | 51285 | 10 | 300 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "2,4-Dinitrophenol (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "10"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** 2,4-Dinitrotoluene (P)\n\n**CAS Registry Number:** 121142\n\n**Water + Organism criterion (\u00b5g/L):** 0.049\n\n**Organism Only criterion (\u00b5g/L):** 1.7\n\n> 2,4-Dinitrotoluene (P) | 121142 | 0.049 | 1.7 | 2015\n\nSource: \n", "cas_number": "121142", "file": "2-4-dinitrotoluene-p.md", "generated": true, "harvested": "2026-08-17", "id": "2-4-dinitrotoluene-p", "organism_only_threshold": "1.7", "pollutant": "2,4-Dinitrotoluene (P)", "source_quote": "2,4-Dinitrotoluene (P) | 121142 | 0.049 | 1.7 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "2,4-Dinitrotoluene (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.049"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** 2-Chloronaphthalene (P)\n\n**CAS Registry Number:** 91587\n\n**Water + Organism criterion (\u00b5g/L):** 800\n\n**Organism Only criterion (\u00b5g/L):** 1,000\n\n> 2-Chloronaphthalene (P) | 91587 | 800 | 1,000 | 2015\n\nSource: \n", "cas_number": "91587", "file": "2-chloronaphthalene-p.md", "generated": true, "harvested": "2026-08-17", "id": "2-chloronaphthalene-p", "organism_only_threshold": "1,000", "pollutant": "2-Chloronaphthalene (P)", "source_quote": "2-Chloronaphthalene (P) | 91587 | 800 | 1,000 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "2-Chloronaphthalene (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "800"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** 2-Chlorophenol (P)\n\n**CAS Registry Number:** 95578\n\n**Water + Organism criterion (\u00b5g/L):** 30\n\n**Organism Only criterion (\u00b5g/L):** 800\n\n> 2-Chlorophenol (P) | 95578 | 30 | 800 | 2015\n\nSource: \n", "cas_number": "95578", "file": "2-chlorophenol-p.md", "generated": true, "harvested": "2026-08-17", "id": "2-chlorophenol-p", "organism_only_threshold": "800", "pollutant": "2-Chlorophenol (P)", "source_quote": "2-Chlorophenol (P) | 95578 | 30 | 800 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "2-Chlorophenol (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "30"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** 2-Methyl-4,6-Dinitrophenol (P)\n\n**CAS Registry Number:** 534521\n\n**Water + Organism criterion (\u00b5g/L):** 2\n\n**Organism Only criterion (\u00b5g/L):** 30\n\n> 2-Methyl-4,6-Dinitrophenol (P) | 534521 | 2 | 30 | 2015\n\nSource: \n", "cas_number": "534521", "file": "2-methyl-4-6-dinitrophenol-p.md", "generated": true, "harvested": "2026-08-17", "id": "2-methyl-4-6-dinitrophenol-p", "organism_only_threshold": "30", "pollutant": "2-Methyl-4,6-Dinitrophenol (P)", "source_quote": "2-Methyl-4,6-Dinitrophenol (P) | 534521 | 2 | 30 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "2-Methyl-4,6-Dinitrophenol (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "2"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** 3,3'-Dichlorobenzidine (P)\n\n**CAS Registry Number:** 91941\n\n**Water + Organism criterion (\u00b5g/L):** 0.049\n\n**Organism Only criterion (\u00b5g/L):** 0.15\n\n> 3,3'-Dichlorobenzidine (P) | 91941 | 0.049 | 0.15 | 2015\n\nSource: \n", "cas_number": "91941", "file": "3-3-dichlorobenzidine-p.md", "generated": true, "harvested": "2026-08-17", "id": "3-3-dichlorobenzidine-p", "organism_only_threshold": "0.15", "pollutant": "3,3'-Dichlorobenzidine (P)", "source_quote": "3,3'-Dichlorobenzidine (P) | 91941 | 0.049 | 0.15 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "3,3'-Dichlorobenzidine (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.049"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** 3-Methyl-4-Chlorophenol (P)\n\n**CAS Registry Number:** 59507\n\n**Water + Organism criterion (\u00b5g/L):** 500\n\n**Organism Only criterion (\u00b5g/L):** 2,000\n\n> 3-Methyl-4-Chlorophenol (P) | 59507 | 500 | 2,000 | 2015\n\nSource: \n", "cas_number": "59507", "file": "3-methyl-4-chlorophenol-p.md", "generated": true, "harvested": "2026-08-17", "id": "3-methyl-4-chlorophenol-p", "organism_only_threshold": "2,000", "pollutant": "3-Methyl-4-Chlorophenol (P)", "source_quote": "3-Methyl-4-Chlorophenol (P) | 59507 | 500 | 2,000 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "3-Methyl-4-Chlorophenol (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "500"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Acenaphthene (P)\n\n**CAS Registry Number:** 83329\n\n**Water + Organism criterion (\u00b5g/L):** 70\n\n**Organism Only criterion (\u00b5g/L):** 90\n\n> Acenaphthene (P) | 83329 | 70 | 90 | 2015\n\nSource: \n", "cas_number": "83329", "file": "acenaphthene-p.md", "generated": true, "harvested": "2026-08-17", "id": "acenaphthene-p", "organism_only_threshold": "90", "pollutant": "Acenaphthene (P)", "source_quote": "Acenaphthene (P) | 83329 | 70 | 90 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Acenaphthene (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "70"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Acrolein (P)\n\n**CAS Registry Number:** 107028\n\n**Water + Organism criterion (\u00b5g/L):** 3\n\n**Organism Only criterion (\u00b5g/L):** 400\n\n> Acrolein (P) | 107028 | 3 | 400 | 2015\n\nSource: \n", "cas_number": "107028", "file": "acrolein-p.md", "generated": true, "harvested": "2026-08-17", "id": "acrolein-p", "organism_only_threshold": "400", "pollutant": "Acrolein (P)", "source_quote": "Acrolein (P) | 107028 | 3 | 400 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Acrolein (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "3"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Acrylonitrile (P)\n\n**CAS Registry Number:** 107131\n\n**Water + Organism criterion (\u00b5g/L):** 0.061\n\n**Organism Only criterion (\u00b5g/L):** 7.0\n\n> Acrylonitrile (P) | 107131 | 0.061 | 7.0 | 2015\n\nSource: \n", "cas_number": "107131", "file": "acrylonitrile-p.md", "generated": true, "harvested": "2026-08-17", "id": "acrylonitrile-p", "organism_only_threshold": "7.0", "pollutant": "Acrylonitrile (P)", "source_quote": "Acrylonitrile (P) | 107131 | 0.061 | 7.0 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Acrylonitrile (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.061"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Aldrin (P)\n\n**CAS Registry Number:** 309002\n\n**Water + Organism criterion (\u00b5g/L):** 0.00000077\n\n**Organism Only criterion (\u00b5g/L):** 0.00000077\n\n> Aldrin (P) | 309002 | 0.00000077 | 0.00000077 | 2015\n\nSource: \n", "cas_number": "309002", "file": "aldrin-p.md", "generated": true, "harvested": "2026-08-17", "id": "aldrin-p", "organism_only_threshold": "0.00000077", "pollutant": "Aldrin (P)", "source_quote": "Aldrin (P) | 309002 | 0.00000077 | 0.00000077 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Aldrin (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.00000077"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** alpha-Endosulfan (P)\n\n**CAS Registry Number:** 959988\n\n**Water + Organism criterion (\u00b5g/L):** 20\n\n**Organism Only criterion (\u00b5g/L):** 30\n\n> alpha-Endosulfan (P) | 959988 | 20 | 30 | 2015\n\nSource: \n", "cas_number": "959988", "file": "alpha-endosulfan-p.md", "generated": true, "harvested": "2026-08-17", "id": "alpha-endosulfan-p", "organism_only_threshold": "30", "pollutant": "alpha-Endosulfan (P)", "source_quote": "alpha-Endosulfan (P) | 959988 | 20 | 30 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "alpha-Endosulfan (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "20"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** alpha-Hexachlorocyclohexane (HCH) (P)\n\n**CAS Registry Number:** 319846\n\n**Water + Organism criterion (\u00b5g/L):** 0.00036\n\n**Organism Only criterion (\u00b5g/L):** 0.00039\n\n> alpha-Hexachlorocyclohexane (HCH) (P) | 319846 | 0.00036 | 0.00039 | 2015\n\nSource: \n", "cas_number": "319846", "file": "alpha-hexachlorocyclohexane-hch-p.md", "generated": true, "harvested": "2026-08-17", "id": "alpha-hexachlorocyclohexane-hch-p", "organism_only_threshold": "0.00039", "pollutant": "alpha-Hexachlorocyclohexane (HCH) (P)", "source_quote": "alpha-Hexachlorocyclohexane (HCH) (P) | 319846 | 0.00036 | 0.00039 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "alpha-Hexachlorocyclohexane (HCH) (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.00036"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Anthracene (P)\n\n**CAS Registry Number:** 120127\n\n**Water + Organism criterion (\u00b5g/L):** 300\n\n**Organism Only criterion (\u00b5g/L):** 400\n\n> Anthracene (P) | 120127 | 300 | 400 | 2015\n\nSource: \n", "cas_number": "120127", "file": "anthracene-p.md", "generated": true, "harvested": "2026-08-17", "id": "anthracene-p", "organism_only_threshold": "400", "pollutant": "Anthracene (P)", "source_quote": "Anthracene (P) | 120127 | 300 | 400 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Anthracene (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "300"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Antimony (P)\n\n**CAS Registry Number:** 7440360\n\n**Water + Organism criterion (\u00b5g/L):** 5.6\n\n**Organism Only criterion (\u00b5g/L):** 640\n\n> Antimony (P) | 7440360 | 5.6 | 640 | 1980\n\nSource: \n", "cas_number": "7440360", "file": "antimony-p.md", "generated": true, "harvested": "2026-08-17", "id": "antimony-p", "organism_only_threshold": "640", "pollutant": "Antimony (P)", "source_quote": "Antimony (P) | 7440360 | 5.6 | 640 | 1980", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Antimony (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "5.6"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Arsenic (P)\n\n**CAS Registry Number:** 7440382\n\n**Water + Organism criterion (\u00b5g/L):** 0.018\n\n**Organism Only criterion (\u00b5g/L):** 0.14\n\n> Arsenic (P) | 7440382 | 0.018 | 0.14 | 1992\n\nSource: \n", "cas_number": "7440382", "file": "arsenic-p.md", "generated": true, "harvested": "2026-08-17", "id": "arsenic-p", "organism_only_threshold": "0.14", "pollutant": "Arsenic (P)", "source_quote": "Arsenic (P) | 7440382 | 0.018 | 0.14 | 1992", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Arsenic (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.018"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Asbestos (P)\n\n**CAS Registry Number:** 1332214\n\n**Water + Organism criterion (\u00b5g/L):** 7 million fibers/L\n\n**Organism Only criterion (\u00b5g/L):** \u2014\n\n> Asbestos (P) | 1332214 | 7 million fibers/L | \u2014 | 1991\n\nSource: \n", "cas_number": "1332214", "file": "asbestos-p.md", "generated": true, "harvested": "2026-08-17", "id": "asbestos-p", "organism_only_threshold": "\u2014", "pollutant": "Asbestos (P)", "source_quote": "Asbestos (P) | 1332214 | 7 million fibers/L | \u2014 | 1991", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Asbestos (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "7 million fibers/L"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Barium\n\n**CAS Registry Number:** 7440393\n\n**Water + Organism criterion (\u00b5g/L):** 1,000\n\n**Organism Only criterion (\u00b5g/L):** \u2014\n\n> Barium | 7440393 | 1,000 | \u2014 | 1986\n\nSource: \n", "cas_number": "7440393", "file": "barium.md", "generated": true, "harvested": "2026-08-17", "id": "barium", "organism_only_threshold": "\u2014", "pollutant": "Barium", "source_quote": "Barium | 7440393 | 1,000 | \u2014 | 1986", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Barium \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "1,000"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Benzene (P)\n\n**CAS Registry Number:** 71432\n\n**Water + Organism criterion (\u00b5g/L):** 0.58-2.1\n\n**Organism Only criterion (\u00b5g/L):** 16-58\n\n> Benzene (P) | 71432 | 0.58-2.1 | 16-58 | 2015\n\nSource: \n", "cas_number": "71432", "file": "benzene-p.md", "generated": true, "harvested": "2026-08-17", "id": "benzene-p", "organism_only_threshold": "16-58", "pollutant": "Benzene (P)", "source_quote": "Benzene (P) | 71432 | 0.58-2.1 | 16-58 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Benzene (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.58-2.1"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Benzidine (P)\n\n**CAS Registry Number:** 92875\n\n**Water + Organism criterion (\u00b5g/L):** 0.00014\n\n**Organism Only criterion (\u00b5g/L):** 0.011\n\n> Benzidine (P) | 92875 | 0.00014 | 0.011 | 2015\n\nSource: \n", "cas_number": "92875", "file": "benzidine-p.md", "generated": true, "harvested": "2026-08-17", "id": "benzidine-p", "organism_only_threshold": "0.011", "pollutant": "Benzidine (P)", "source_quote": "Benzidine (P) | 92875 | 0.00014 | 0.011 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Benzidine (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.00014"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Benzo(a)anthracene (P)\n\n**CAS Registry Number:** 56553\n\n**Water + Organism criterion (\u00b5g/L):** 0.0012\n\n**Organism Only criterion (\u00b5g/L):** 0.0013\n\n> Benzo(a)anthracene (P) | 56553 | 0.0012 | 0.0013 | 2015\n\nSource: \n", "cas_number": "56553", "file": "benzo-a-anthracene-p.md", "generated": true, "harvested": "2026-08-17", "id": "benzo-a-anthracene-p", "organism_only_threshold": "0.0013", "pollutant": "Benzo(a)anthracene (P)", "source_quote": "Benzo(a)anthracene (P) | 56553 | 0.0012 | 0.0013 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Benzo(a)anthracene (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.0012"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Benzo(a)pyrene (P)\n\n**CAS Registry Number:** 50328\n\n**Water + Organism criterion (\u00b5g/L):** 0.00012\n\n**Organism Only criterion (\u00b5g/L):** 0.00013\n\n> Benzo(a)pyrene (P) | 50328 | 0.00012 | 0.00013 | 2015\n\nSource: \n", "cas_number": "50328", "file": "benzo-a-pyrene-p.md", "generated": true, "harvested": "2026-08-17", "id": "benzo-a-pyrene-p", "organism_only_threshold": "0.00013", "pollutant": "Benzo(a)pyrene (P)", "source_quote": "Benzo(a)pyrene (P) | 50328 | 0.00012 | 0.00013 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Benzo(a)pyrene (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.00012"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Benzo(b)fluoranthene (P)\n\n**CAS Registry Number:** 205992\n\n**Water + Organism criterion (\u00b5g/L):** 0.0012\n\n**Organism Only criterion (\u00b5g/L):** 0.0013\n\n> Benzo(b)fluoranthene (P) | 205992 | 0.0012 | 0.0013 | 2015\n\nSource: \n", "cas_number": "205992", "file": "benzo-b-fluoranthene-p.md", "generated": true, "harvested": "2026-08-17", "id": "benzo-b-fluoranthene-p", "organism_only_threshold": "0.0013", "pollutant": "Benzo(b)fluoranthene (P)", "source_quote": "Benzo(b)fluoranthene (P) | 205992 | 0.0012 | 0.0013 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Benzo(b)fluoranthene (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.0012"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Benzo(k)fluoranthene (P)\n\n**CAS Registry Number:** 207089\n\n**Water + Organism criterion (\u00b5g/L):** 0.012\n\n**Organism Only criterion (\u00b5g/L):** 0.013\n\n> Benzo(k)fluoranthene (P) | 207089 | 0.012 | 0.013 | 2015\n\nSource: \n", "cas_number": "207089", "file": "benzo-k-fluoranthene-p.md", "generated": true, "harvested": "2026-08-17", "id": "benzo-k-fluoranthene-p", "organism_only_threshold": "0.013", "pollutant": "Benzo(k)fluoranthene (P)", "source_quote": "Benzo(k)fluoranthene (P) | 207089 | 0.012 | 0.013 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Benzo(k)fluoranthene (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.012"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Beryllium (P)\n\n**CAS Registry Number:** 7440417\n\n**Water + Organism criterion (\u00b5g/L):** \u2014\n\n**Organism Only criterion (\u00b5g/L):** \u2014\n\n> Beryllium (P) | 7440417 | \u2014 | \u2014 | \u2014\n\nSource: \n", "cas_number": "7440417", "file": "beryllium-p.md", "generated": true, "harvested": "2026-08-17", "id": "beryllium-p", "organism_only_threshold": "\u2014", "pollutant": "Beryllium (P)", "source_quote": "Beryllium (P) | 7440417 | \u2014 | \u2014 | \u2014", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Beryllium (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "\u2014"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** beta-Endosulfan (P)\n\n**CAS Registry Number:** 33213659\n\n**Water + Organism criterion (\u00b5g/L):** 20\n\n**Organism Only criterion (\u00b5g/L):** 40\n\n> beta-Endosulfan (P) | 33213659 | 20 | 40 | 2015\n\nSource: \n", "cas_number": "33213659", "file": "beta-endosulfan-p.md", "generated": true, "harvested": "2026-08-17", "id": "beta-endosulfan-p", "organism_only_threshold": "40", "pollutant": "beta-Endosulfan (P)", "source_quote": "beta-Endosulfan (P) | 33213659 | 20 | 40 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "beta-Endosulfan (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "20"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** beta-Hexachlorocyclohexane (HCH) (P)\n\n**CAS Registry Number:** 319857\n\n**Water + Organism criterion (\u00b5g/L):** 0.0080\n\n**Organism Only criterion (\u00b5g/L):** 0.014\n\n> beta-Hexachlorocyclohexane (HCH) (P) | 319857 | 0.0080 | 0.014 | 2015\n\nSource: \n", "cas_number": "319857", "file": "beta-hexachlorocyclohexane-hch-p.md", "generated": true, "harvested": "2026-08-17", "id": "beta-hexachlorocyclohexane-hch-p", "organism_only_threshold": "0.014", "pollutant": "beta-Hexachlorocyclohexane (HCH) (P)", "source_quote": "beta-Hexachlorocyclohexane (HCH) (P) | 319857 | 0.0080 | 0.014 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "beta-Hexachlorocyclohexane (HCH) (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.0080"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Bis(2-Chloro-1-methylethyl) Ether (P)\n\n**CAS Registry Number:** 108601\n\n**Water + Organism criterion (\u00b5g/L):** 200\n\n**Organism Only criterion (\u00b5g/L):** 4,000\n\n> Bis(2-Chloro-1-methylethyl) Ether (P) | 108601 | 200 | 4,000 | 2015\n\nSource: \n", "cas_number": "108601", "file": "bis-2-chloro-1-methylethyl-ether-p.md", "generated": true, "harvested": "2026-08-17", "id": "bis-2-chloro-1-methylethyl-ether-p", "organism_only_threshold": "4,000", "pollutant": "Bis(2-Chloro-1-methylethyl) Ether (P)", "source_quote": "Bis(2-Chloro-1-methylethyl) Ether (P) | 108601 | 200 | 4,000 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Bis(2-Chloro-1-methylethyl) Ether (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "200"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Bis(2-Chloroethyl) Ether (P)\n\n**CAS Registry Number:** 111444\n\n**Water + Organism criterion (\u00b5g/L):** 0.030\n\n**Organism Only criterion (\u00b5g/L):** 2.2\n\n> Bis(2-Chloroethyl) Ether (P) | 111444 | 0.030 | 2.2 | 2015\n\nSource: \n", "cas_number": "111444", "file": "bis-2-chloroethyl-ether-p.md", "generated": true, "harvested": "2026-08-17", "id": "bis-2-chloroethyl-ether-p", "organism_only_threshold": "2.2", "pollutant": "Bis(2-Chloroethyl) Ether (P)", "source_quote": "Bis(2-Chloroethyl) Ether (P) | 111444 | 0.030 | 2.2 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Bis(2-Chloroethyl) Ether (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.030"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Bis(2-Ethylhexyl) Phthalate (P)\n\n**CAS Registry Number:** 117817\n\n**Water + Organism criterion (\u00b5g/L):** 0.32\n\n**Organism Only criterion (\u00b5g/L):** 0.37\n\n> Bis(2-Ethylhexyl) Phthalate (P) | 117817 | 0.32 | 0.37 | 2015\n\nSource: \n", "cas_number": "117817", "file": "bis-2-ethylhexyl-phthalate-p.md", "generated": true, "harvested": "2026-08-17", "id": "bis-2-ethylhexyl-phthalate-p", "organism_only_threshold": "0.37", "pollutant": "Bis(2-Ethylhexyl) Phthalate (P)", "source_quote": "Bis(2-Ethylhexyl) Phthalate (P) | 117817 | 0.32 | 0.37 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Bis(2-Ethylhexyl) Phthalate (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.32"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Bis(Chloromethyl) Ether\n\n**CAS Registry Number:** 542881\n\n**Water + Organism criterion (\u00b5g/L):** 0.00015\n\n**Organism Only criterion (\u00b5g/L):** 0.017\n\n> Bis(Chloromethyl) Ether | 542881 | 0.00015 | 0.017 | 2015\n\nSource: \n", "cas_number": "542881", "file": "bis-chloromethyl-ether.md", "generated": true, "harvested": "2026-08-17", "id": "bis-chloromethyl-ether", "organism_only_threshold": "0.017", "pollutant": "Bis(Chloromethyl) Ether", "source_quote": "Bis(Chloromethyl) Ether | 542881 | 0.00015 | 0.017 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Bis(Chloromethyl) Ether \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.00015"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Bromoform (P)\n\n**CAS Registry Number:** 75252\n\n**Water + Organism criterion (\u00b5g/L):** 7.0\n\n**Organism Only criterion (\u00b5g/L):** 120\n\n> Bromoform (P) | 75252 | 7.0 | 120 | 2015\n\nSource: \n", "cas_number": "75252", "file": "bromoform-p.md", "generated": true, "harvested": "2026-08-17", "id": "bromoform-p", "organism_only_threshold": "120", "pollutant": "Bromoform (P)", "source_quote": "Bromoform (P) | 75252 | 7.0 | 120 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Bromoform (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "7.0"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Butylbenzyl Phthalate (P)\n\n**CAS Registry Number:** 85687\n\n**Water + Organism criterion (\u00b5g/L):** 0.10\n\n**Organism Only criterion (\u00b5g/L):** 0.10\n\n> Butylbenzyl Phthalate (P) | 85687 | 0.10 | 0.10 | 2015\n\nSource: \n", "cas_number": "85687", "file": "butylbenzyl-phthalate-p.md", "generated": true, "harvested": "2026-08-17", "id": "butylbenzyl-phthalate-p", "organism_only_threshold": "0.10", "pollutant": "Butylbenzyl Phthalate (P)", "source_quote": "Butylbenzyl Phthalate (P) | 85687 | 0.10 | 0.10 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Butylbenzyl Phthalate (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.10"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Cadmium (P)\n\n**CAS Registry Number:** 7440439\n\n**Water + Organism criterion (\u00b5g/L):** \u2014\n\n**Organism Only criterion (\u00b5g/L):** \u2014\n\n> Cadmium (P) | 7440439 | \u2014 | \u2014 | \u2014\n\nSource: \n", "cas_number": "7440439", "file": "cadmium-p.md", "generated": true, "harvested": "2026-08-17", "id": "cadmium-p", "organism_only_threshold": "\u2014", "pollutant": "Cadmium (P)", "source_quote": "Cadmium (P) | 7440439 | \u2014 | \u2014 | \u2014", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Cadmium (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "\u2014"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Carbon Tetrachloride (P)\n\n**CAS Registry Number:** 56235\n\n**Water + Organism criterion (\u00b5g/L):** 0.4\n\n**Organism Only criterion (\u00b5g/L):** 5\n\n> Carbon Tetrachloride (P) | 56235 | 0.4 | 5 | 2015\n\nSource: \n", "cas_number": "56235", "file": "carbon-tetrachloride-p.md", "generated": true, "harvested": "2026-08-17", "id": "carbon-tetrachloride-p", "organism_only_threshold": "5", "pollutant": "Carbon Tetrachloride (P)", "source_quote": "Carbon Tetrachloride (P) | 56235 | 0.4 | 5 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Carbon Tetrachloride (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.4"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Chlordane (P)\n\n**CAS Registry Number:** 57749\n\n**Water + Organism criterion (\u00b5g/L):** 0.00031\n\n**Organism Only criterion (\u00b5g/L):** 0.00032\n\n> Chlordane (P) | 57749 | 0.00031 | 0.00032 | 2015\n\nSource: \n", "cas_number": "57749", "file": "chlordane-p.md", "generated": true, "harvested": "2026-08-17", "id": "chlordane-p", "organism_only_threshold": "0.00032", "pollutant": "Chlordane (P)", "source_quote": "Chlordane (P) | 57749 | 0.00031 | 0.00032 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Chlordane (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.00031"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Chlorobenzene (P)\n\n**CAS Registry Number:** 108907\n\n**Water + Organism criterion (\u00b5g/L):** 100\n\n**Organism Only criterion (\u00b5g/L):** 800\n\n> Chlorobenzene (P) | 108907 | 100 | 800 | 2015\n\nSource: \n", "cas_number": "108907", "file": "chlorobenzene-p.md", "generated": true, "harvested": "2026-08-17", "id": "chlorobenzene-p", "organism_only_threshold": "800", "pollutant": "Chlorobenzene (P)", "source_quote": "Chlorobenzene (P) | 108907 | 100 | 800 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Chlorobenzene (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "100"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Chlorodibromomethane (P)\n\n**CAS Registry Number:** 124481\n\n**Water + Organism criterion (\u00b5g/L):** 0.80\n\n**Organism Only criterion (\u00b5g/L):** 21\n\n> Chlorodibromomethane (P) | 124481 | 0.80 | 21 | 2015\n\nSource: \n", "cas_number": "124481", "file": "chlorodibromomethane-p.md", "generated": true, "harvested": "2026-08-17", "id": "chlorodibromomethane-p", "organism_only_threshold": "21", "pollutant": "Chlorodibromomethane (P)", "source_quote": "Chlorodibromomethane (P) | 124481 | 0.80 | 21 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Chlorodibromomethane (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.80"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Chloroform (P)\n\n**CAS Registry Number:** 67663\n\n**Water + Organism criterion (\u00b5g/L):** 60\n\n**Organism Only criterion (\u00b5g/L):** 2,000\n\n> Chloroform (P) | 67663 | 60 | 2,000 | 2015\n\nSource: \n", "cas_number": "67663", "file": "chloroform-p.md", "generated": true, "harvested": "2026-08-17", "id": "chloroform-p", "organism_only_threshold": "2,000", "pollutant": "Chloroform (P)", "source_quote": "Chloroform (P) | 67663 | 60 | 2,000 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Chloroform (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "60"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Chlorophenoxy Herbicide (2,4,5-TP) [Silvex]\n\n**CAS Registry Number:** 93721\n\n**Water + Organism criterion (\u00b5g/L):** 100\n\n**Organism Only criterion (\u00b5g/L):** 400\n\n> Chlorophenoxy Herbicide (2,4,5-TP) [Silvex] | 93721 | 100 | 400 | 2015\n\nSource: \n", "cas_number": "93721", "file": "chlorophenoxy-herbicide-2-4-5-tp-silvex.md", "generated": true, "harvested": "2026-08-17", "id": "chlorophenoxy-herbicide-2-4-5-tp-silvex", "organism_only_threshold": "400", "pollutant": "Chlorophenoxy Herbicide (2,4,5-TP) [Silvex]", "source_quote": "Chlorophenoxy Herbicide (2,4,5-TP) [Silvex] | 93721 | 100 | 400 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Chlorophenoxy Herbicide (2,4,5-TP) [Silvex] \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "100"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Chlorophenoxy Herbicide (2,4-D)\n\n**CAS Registry Number:** 94757\n\n**Water + Organism criterion (\u00b5g/L):** 1,300\n\n**Organism Only criterion (\u00b5g/L):** 12,000\n\n> Chlorophenoxy Herbicide (2,4-D) | 94757 | 1,300 | 12,000 | 2015\n\nSource: \n", "cas_number": "94757", "file": "chlorophenoxy-herbicide-2-4-d.md", "generated": true, "harvested": "2026-08-17", "id": "chlorophenoxy-herbicide-2-4-d", "organism_only_threshold": "12,000", "pollutant": "Chlorophenoxy Herbicide (2,4-D)", "source_quote": "Chlorophenoxy Herbicide (2,4-D) | 94757 | 1,300 | 12,000 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Chlorophenoxy Herbicide (2,4-D) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "1,300"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Chromium (III) (P)\n\n**CAS Registry Number:** 16065831\n\n**Water + Organism criterion (\u00b5g/L):** Total\n\n**Organism Only criterion (\u00b5g/L):** \u2014\n\n> Chromium (III) (P) | 16065831 | Total | \u2014 | \u2014\n\nSource: \n", "cas_number": "16065831", "file": "chromium-iii-p.md", "generated": true, "harvested": "2026-08-17", "id": "chromium-iii-p", "organism_only_threshold": "\u2014", "pollutant": "Chromium (III) (P)", "source_quote": "Chromium (III) (P) | 16065831 | Total | \u2014 | \u2014", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Chromium (III) (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "Total"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Chromium (VI) (P)\n\n**CAS Registry Number:** 18540299\n\n**Water + Organism criterion (\u00b5g/L):** Total\n\n**Organism Only criterion (\u00b5g/L):** \u2014\n\n> Chromium (VI) (P) | 18540299 | Total | \u2014 | \u2014\n\nSource: \n", "cas_number": "18540299", "file": "chromium-vi-p.md", "generated": true, "harvested": "2026-08-17", "id": "chromium-vi-p", "organism_only_threshold": "\u2014", "pollutant": "Chromium (VI) (P)", "source_quote": "Chromium (VI) (P) | 18540299 | Total | \u2014 | \u2014", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Chromium (VI) (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "Total"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Chrysene (P)\n\n**CAS Registry Number:** 218019\n\n**Water + Organism criterion (\u00b5g/L):** 0.12\n\n**Organism Only criterion (\u00b5g/L):** 0.13\n\n> Chrysene (P) | 218019 | 0.12 | 0.13 | 2015\n\nSource: \n", "cas_number": "218019", "file": "chrysene-p.md", "generated": true, "harvested": "2026-08-17", "id": "chrysene-p", "organism_only_threshold": "0.13", "pollutant": "Chrysene (P)", "source_quote": "Chrysene (P) | 218019 | 0.12 | 0.13 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Chrysene (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.12"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Copper (P)\n\n**CAS Registry Number:** 7440508\n\n**Water + Organism criterion (\u00b5g/L):** 1,300\n\n**Organism Only criterion (\u00b5g/L):** \u2014\n\n> Copper (P) | 7440508 | 1,300 | \u2014 | 1992\n\nSource: \n", "cas_number": "7440508", "file": "copper-p.md", "generated": true, "harvested": "2026-08-17", "id": "copper-p", "organism_only_threshold": "\u2014", "pollutant": "Copper (P)", "source_quote": "Copper (P) | 7440508 | 1,300 | \u2014 | 1992", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Copper (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "1,300"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Cyanide (P)\n\n**CAS Registry Number:** 57125\n\n**Water + Organism criterion (\u00b5g/L):** 4\n\n**Organism Only criterion (\u00b5g/L):** 400\n\n> Cyanide (P) | 57125 | 4 | 400 | 2015\n\nSource: \n", "cas_number": "57125", "file": "cyanide-p.md", "generated": true, "harvested": "2026-08-17", "id": "cyanide-p", "organism_only_threshold": "400", "pollutant": "Cyanide (P)", "source_quote": "Cyanide (P) | 57125 | 4 | 400 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Cyanide (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "4"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Cylindrospermopsin\n\n**CAS Registry Number:** 143545-90-8\n\n**Water + Organism criterion (\u00b5g/L):** \u2014\n\n**Organism Only criterion (\u00b5g/L):** \u2014\n\n> Cylindrospermopsin | 143545-90-8 | \u2014 | \u2014 | 2019\n\nSource: \n", "cas_number": "143545-90-8", "file": "cylindrospermopsin.md", "generated": true, "harvested": "2026-08-17", "id": "cylindrospermopsin", "organism_only_threshold": "\u2014", "pollutant": "Cylindrospermopsin", "source_quote": "Cylindrospermopsin | 143545-90-8 | \u2014 | \u2014 | 2019", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Cylindrospermopsin \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "\u2014"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Di-n-Butyl Phthalate (P)\n\n**CAS Registry Number:** 84742\n\n**Water + Organism criterion (\u00b5g/L):** 20\n\n**Organism Only criterion (\u00b5g/L):** 30\n\n> Di-n-Butyl Phthalate (P) | 84742 | 20 | 30 | 2015\n\nSource: \n", "cas_number": "84742", "file": "di-n-butyl-phthalate-p.md", "generated": true, "harvested": "2026-08-17", "id": "di-n-butyl-phthalate-p", "organism_only_threshold": "30", "pollutant": "Di-n-Butyl Phthalate (P)", "source_quote": "Di-n-Butyl Phthalate (P) | 84742 | 20 | 30 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Di-n-Butyl Phthalate (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "20"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Dibenzo(a,h)anthracene (P)\n\n**CAS Registry Number:** 53703\n\n**Water + Organism criterion (\u00b5g/L):** 0.00012\n\n**Organism Only criterion (\u00b5g/L):** 0.00013\n\n> Dibenzo(a,h)anthracene (P) | 53703 | 0.00012 | 0.00013 | 2015\n\nSource: \n", "cas_number": "53703", "file": "dibenzo-a-h-anthracene-p.md", "generated": true, "harvested": "2026-08-17", "id": "dibenzo-a-h-anthracene-p", "organism_only_threshold": "0.00013", "pollutant": "Dibenzo(a,h)anthracene (P)", "source_quote": "Dibenzo(a,h)anthracene (P) | 53703 | 0.00012 | 0.00013 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Dibenzo(a,h)anthracene (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.00012"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Dichlorobromomethane (P)\n\n**CAS Registry Number:** 75274\n\n**Water + Organism criterion (\u00b5g/L):** 0.95\n\n**Organism Only criterion (\u00b5g/L):** 27\n\n> Dichlorobromomethane (P) | 75274 | 0.95 | 27 | 2015\n\nSource: \n", "cas_number": "75274", "file": "dichlorobromomethane-p.md", "generated": true, "harvested": "2026-08-17", "id": "dichlorobromomethane-p", "organism_only_threshold": "27", "pollutant": "Dichlorobromomethane (P)", "source_quote": "Dichlorobromomethane (P) | 75274 | 0.95 | 27 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Dichlorobromomethane (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.95"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Dieldrin (P)\n\n**CAS Registry Number:** 60571\n\n**Water + Organism criterion (\u00b5g/L):** 0.0000012\n\n**Organism Only criterion (\u00b5g/L):** 0.0000012\n\n> Dieldrin (P) | 60571 | 0.0000012 | 0.0000012 | 2015\n\nSource: \n", "cas_number": "60571", "file": "dieldrin-p.md", "generated": true, "harvested": "2026-08-17", "id": "dieldrin-p", "organism_only_threshold": "0.0000012", "pollutant": "Dieldrin (P)", "source_quote": "Dieldrin (P) | 60571 | 0.0000012 | 0.0000012 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Dieldrin (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.0000012"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Diethyl Phthalate (P)\n\n**CAS Registry Number:** 84662\n\n**Water + Organism criterion (\u00b5g/L):** 600\n\n**Organism Only criterion (\u00b5g/L):** 600\n\n> Diethyl Phthalate (P) | 84662 | 600 | 600 | 2015\n\nSource: \n", "cas_number": "84662", "file": "diethyl-phthalate-p.md", "generated": true, "harvested": "2026-08-17", "id": "diethyl-phthalate-p", "organism_only_threshold": "600", "pollutant": "Diethyl Phthalate (P)", "source_quote": "Diethyl Phthalate (P) | 84662 | 600 | 600 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Diethyl Phthalate (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "600"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Dimethyl Phthalate (P)\n\n**CAS Registry Number:** 131113\n\n**Water + Organism criterion (\u00b5g/L):** 2,000\n\n**Organism Only criterion (\u00b5g/L):** 2,000\n\n> Dimethyl Phthalate (P) | 131113 | 2,000 | 2,000 | 2015\n\nSource: \n", "cas_number": "131113", "file": "dimethyl-phthalate-p.md", "generated": true, "harvested": "2026-08-17", "id": "dimethyl-phthalate-p", "organism_only_threshold": "2,000", "pollutant": "Dimethyl Phthalate (P)", "source_quote": "Dimethyl Phthalate (P) | 131113 | 2,000 | 2,000 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Dimethyl Phthalate (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "2,000"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Dinitrophenols\n\n**CAS Registry Number:** 25550587\n\n**Water + Organism criterion (\u00b5g/L):** 10\n\n**Organism Only criterion (\u00b5g/L):** 1,000\n\n> Dinitrophenols | 25550587 | 10 | 1,000 | 2015\n\nSource: \n", "cas_number": "25550587", "file": "dinitrophenols.md", "generated": true, "harvested": "2026-08-17", "id": "dinitrophenols", "organism_only_threshold": "1,000", "pollutant": "Dinitrophenols", "source_quote": "Dinitrophenols | 25550587 | 10 | 1,000 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Dinitrophenols \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "10"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Endosulfan Sulfate (P)\n\n**CAS Registry Number:** 1031078\n\n**Water + Organism criterion (\u00b5g/L):** 20\n\n**Organism Only criterion (\u00b5g/L):** 40\n\n> Endosulfan Sulfate (P) | 1031078 | 20 | 40 | 2015\n\nSource: \n", "cas_number": "1031078", "file": "endosulfan-sulfate-p.md", "generated": true, "harvested": "2026-08-17", "id": "endosulfan-sulfate-p", "organism_only_threshold": "40", "pollutant": "Endosulfan Sulfate (P)", "source_quote": "Endosulfan Sulfate (P) | 1031078 | 20 | 40 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Endosulfan Sulfate (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "20"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Endrin Aldehyde (P)\n\n**CAS Registry Number:** 7421934\n\n**Water + Organism criterion (\u00b5g/L):** 1\n\n**Organism Only criterion (\u00b5g/L):** 1\n\n> Endrin Aldehyde (P) | 7421934 | 1 | 1 | 2015\n\nSource: \n", "cas_number": "7421934", "file": "endrin-aldehyde-p.md", "generated": true, "harvested": "2026-08-17", "id": "endrin-aldehyde-p", "organism_only_threshold": "1", "pollutant": "Endrin Aldehyde (P)", "source_quote": "Endrin Aldehyde (P) | 7421934 | 1 | 1 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Endrin Aldehyde (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "1"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Endrin (P)\n\n**CAS Registry Number:** 72208\n\n**Water + Organism criterion (\u00b5g/L):** 0.03\n\n**Organism Only criterion (\u00b5g/L):** 0.03\n\n> Endrin (P) | 72208 | 0.03 | 0.03 | 2015\n\nSource: \n", "cas_number": "72208", "file": "endrin-p.md", "generated": true, "harvested": "2026-08-17", "id": "endrin-p", "organism_only_threshold": "0.03", "pollutant": "Endrin (P)", "source_quote": "Endrin (P) | 72208 | 0.03 | 0.03 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Endrin (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.03"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Ethylbenzene (P)\n\n**CAS Registry Number:** 100414\n\n**Water + Organism criterion (\u00b5g/L):** 68\n\n**Organism Only criterion (\u00b5g/L):** 130\n\n> Ethylbenzene (P) | 100414 | 68 | 130 | 2015\n\nSource: \n", "cas_number": "100414", "file": "ethylbenzene-p.md", "generated": true, "harvested": "2026-08-17", "id": "ethylbenzene-p", "organism_only_threshold": "130", "pollutant": "Ethylbenzene (P)", "source_quote": "Ethylbenzene (P) | 100414 | 68 | 130 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Ethylbenzene (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "68"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Fluoranthene (P)\n\n**CAS Registry Number:** 206440\n\n**Water + Organism criterion (\u00b5g/L):** 20\n\n**Organism Only criterion (\u00b5g/L):** 20\n\n> Fluoranthene (P) | 206440 | 20 | 20 | 2015\n\nSource: \n", "cas_number": "206440", "file": "fluoranthene-p.md", "generated": true, "harvested": "2026-08-17", "id": "fluoranthene-p", "organism_only_threshold": "20", "pollutant": "Fluoranthene (P)", "source_quote": "Fluoranthene (P) | 206440 | 20 | 20 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Fluoranthene (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "20"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Fluorene (P)\n\n**CAS Registry Number:** 86737\n\n**Water + Organism criterion (\u00b5g/L):** 50\n\n**Organism Only criterion (\u00b5g/L):** 70\n\n> Fluorene (P) | 86737 | 50 | 70 | 2015\n\nSource: \n", "cas_number": "86737", "file": "fluorene-p.md", "generated": true, "harvested": "2026-08-17", "id": "fluorene-p", "organism_only_threshold": "70", "pollutant": "Fluorene (P)", "source_quote": "Fluorene (P) | 86737 | 50 | 70 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Fluorene (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "50"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** gamma-Hexachlorocyclohexane (HCH) [Lindane] (P)\n\n**CAS Registry Number:** 58899\n\n**Water + Organism criterion (\u00b5g/L):** 4.2\n\n**Organism Only criterion (\u00b5g/L):** 4.4\n\n> gamma-Hexachlorocyclohexane (HCH) [Lindane] (P) | 58899 | 4.2 | 4.4 | 2015\n\nSource: \n", "cas_number": "58899", "file": "gamma-hexachlorocyclohexane-hch-lindane-p.md", "generated": true, "harvested": "2026-08-17", "id": "gamma-hexachlorocyclohexane-hch-lindane-p", "organism_only_threshold": "4.4", "pollutant": "gamma-Hexachlorocyclohexane (HCH) [Lindane] (P)", "source_quote": "gamma-Hexachlorocyclohexane (HCH) [Lindane] (P) | 58899 | 4.2 | 4.4 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "gamma-Hexachlorocyclohexane (HCH) [Lindane] (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "4.2"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Heptachlor Epoxide (P)\n\n**CAS Registry Number:** 1024573\n\n**Water + Organism criterion (\u00b5g/L):** 0.000032\n\n**Organism Only criterion (\u00b5g/L):** 0.000032\n\n> Heptachlor Epoxide (P) | 1024573 | 0.000032 | 0.000032 | 2015\n\nSource: \n", "cas_number": "1024573", "file": "heptachlor-epoxide-p.md", "generated": true, "harvested": "2026-08-17", "id": "heptachlor-epoxide-p", "organism_only_threshold": "0.000032", "pollutant": "Heptachlor Epoxide (P)", "source_quote": "Heptachlor Epoxide (P) | 1024573 | 0.000032 | 0.000032 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Heptachlor Epoxide (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.000032"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Heptachlor (P)\n\n**CAS Registry Number:** 76448\n\n**Water + Organism criterion (\u00b5g/L):** 0.0000059\n\n**Organism Only criterion (\u00b5g/L):** 0.0000059\n\n> Heptachlor (P) | 76448 | 0.0000059 | 0.0000059 | 2015\n\nSource: \n", "cas_number": "76448", "file": "heptachlor-p.md", "generated": true, "harvested": "2026-08-17", "id": "heptachlor-p", "organism_only_threshold": "0.0000059", "pollutant": "Heptachlor (P)", "source_quote": "Heptachlor (P) | 76448 | 0.0000059 | 0.0000059 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Heptachlor (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.0000059"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Hexachlorobenzene (P)\n\n**CAS Registry Number:** 118741\n\n**Water + Organism criterion (\u00b5g/L):** 0.000079\n\n**Organism Only criterion (\u00b5g/L):** 0.000079\n\n> Hexachlorobenzene (P) | 118741 | 0.000079 | 0.000079 | 2015\n\nSource: \n", "cas_number": "118741", "file": "hexachlorobenzene-p.md", "generated": true, "harvested": "2026-08-17", "id": "hexachlorobenzene-p", "organism_only_threshold": "0.000079", "pollutant": "Hexachlorobenzene (P)", "source_quote": "Hexachlorobenzene (P) | 118741 | 0.000079 | 0.000079 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Hexachlorobenzene (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.000079"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Hexachlorobutadiene (P)\n\n**CAS Registry Number:** 87683\n\n**Water + Organism criterion (\u00b5g/L):** 0.01\n\n**Organism Only criterion (\u00b5g/L):** 0.01\n\n> Hexachlorobutadiene (P) | 87683 | 0.01 | 0.01 | 2015\n\nSource: \n", "cas_number": "87683", "file": "hexachlorobutadiene-p.md", "generated": true, "harvested": "2026-08-17", "id": "hexachlorobutadiene-p", "organism_only_threshold": "0.01", "pollutant": "Hexachlorobutadiene (P)", "source_quote": "Hexachlorobutadiene (P) | 87683 | 0.01 | 0.01 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Hexachlorobutadiene (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.01"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Hexachlorocyclohexane (HCH) -Technical\n\n**CAS Registry Number:** 608731\n\n**Water + Organism criterion (\u00b5g/L):** 0.0066\n\n**Organism Only criterion (\u00b5g/L):** 0.010\n\n> Hexachlorocyclohexane (HCH) -Technical | 608731 | 0.0066 | 0.010 | 2015\n\nSource: \n", "cas_number": "608731", "file": "hexachlorocyclohexane-hch-technical.md", "generated": true, "harvested": "2026-08-17", "id": "hexachlorocyclohexane-hch-technical", "organism_only_threshold": "0.010", "pollutant": "Hexachlorocyclohexane (HCH) -Technical", "source_quote": "Hexachlorocyclohexane (HCH) -Technical | 608731 | 0.0066 | 0.010 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Hexachlorocyclohexane (HCH) -Technical \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.0066"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Hexachlorocyclopentadiene (P)\n\n**CAS Registry Number:** 77474\n\n**Water + Organism criterion (\u00b5g/L):** 4\n\n**Organism Only criterion (\u00b5g/L):** 4\n\n> Hexachlorocyclopentadiene (P) | 77474 | 4 | 4 | 2015\n\nSource: \n", "cas_number": "77474", "file": "hexachlorocyclopentadiene-p.md", "generated": true, "harvested": "2026-08-17", "id": "hexachlorocyclopentadiene-p", "organism_only_threshold": "4", "pollutant": "Hexachlorocyclopentadiene (P)", "source_quote": "Hexachlorocyclopentadiene (P) | 77474 | 4 | 4 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Hexachlorocyclopentadiene (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "4"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Hexachloroethane (P)\n\n**CAS Registry Number:** 67721\n\n**Water + Organism criterion (\u00b5g/L):** 0.1\n\n**Organism Only criterion (\u00b5g/L):** 0.1\n\n> Hexachloroethane (P) | 67721 | 0.1 | 0.1 | 2015\n\nSource: \n", "cas_number": "67721", "file": "hexachloroethane-p.md", "generated": true, "harvested": "2026-08-17", "id": "hexachloroethane-p", "organism_only_threshold": "0.1", "pollutant": "Hexachloroethane (P)", "source_quote": "Hexachloroethane (P) | 67721 | 0.1 | 0.1 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Hexachloroethane (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.1"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Indeno(1,2,3-cd)pyrene (P)\n\n**CAS Registry Number:** 193395\n\n**Water + Organism criterion (\u00b5g/L):** 0.0012\n\n**Organism Only criterion (\u00b5g/L):** 0.0013\n\n> Indeno(1,2,3-cd)pyrene (P) | 193395 | 0.0012 | 0.0013 | 2015\n\nSource: \n", "cas_number": "193395", "file": "indeno-1-2-3-cd-pyrene-p.md", "generated": true, "harvested": "2026-08-17", "id": "indeno-1-2-3-cd-pyrene-p", "organism_only_threshold": "0.0013", "pollutant": "Indeno(1,2,3-cd)pyrene (P)", "source_quote": "Indeno(1,2,3-cd)pyrene (P) | 193395 | 0.0012 | 0.0013 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Indeno(1,2,3-cd)pyrene (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.0012"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Isophorone (P)\n\n**CAS Registry Number:** 78591\n\n**Water + Organism criterion (\u00b5g/L):** 34\n\n**Organism Only criterion (\u00b5g/L):** 1,800\n\n> Isophorone (P) | 78591 | 34 | 1,800 | 2015\n\nSource: \n", "cas_number": "78591", "file": "isophorone-p.md", "generated": true, "harvested": "2026-08-17", "id": "isophorone-p", "organism_only_threshold": "1,800", "pollutant": "Isophorone (P)", "source_quote": "Isophorone (P) | 78591 | 34 | 1,800 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Isophorone (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "34"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Manganese\n\n**CAS Registry Number:** 7439965\n\n**Water + Organism criterion (\u00b5g/L):** 50\n\n**Organism Only criterion (\u00b5g/L):** 100\n\n> Manganese | 7439965 | 50 | 100 | 1993\n\nSource: \n", "cas_number": "7439965", "file": "manganese.md", "generated": true, "harvested": "2026-08-17", "id": "manganese", "organism_only_threshold": "100", "pollutant": "Manganese", "source_quote": "Manganese | 7439965 | 50 | 100 | 1993", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Manganese \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "50"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Methoxychlor\n\n**CAS Registry Number:** 72435\n\n**Water + Organism criterion (\u00b5g/L):** 0.02\n\n**Organism Only criterion (\u00b5g/L):** 0.02\n\n> Methoxychlor | 72435 | 0.02 | 0.02 | 2015\n\nSource: \n", "cas_number": "72435", "file": "methoxychlor.md", "generated": true, "harvested": "2026-08-17", "id": "methoxychlor", "organism_only_threshold": "0.02", "pollutant": "Methoxychlor", "source_quote": "Methoxychlor | 72435 | 0.02 | 0.02 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Methoxychlor \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.02"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Methyl Bromide (P)\n\n**CAS Registry Number:** 74839\n\n**Water + Organism criterion (\u00b5g/L):** 100\n\n**Organism Only criterion (\u00b5g/L):** 10,000\n\n> Methyl Bromide (P) | 74839 | 100 | 10,000 | 2015\n\nSource: \n", "cas_number": "74839", "file": "methyl-bromide-p.md", "generated": true, "harvested": "2026-08-17", "id": "methyl-bromide-p", "organism_only_threshold": "10,000", "pollutant": "Methyl Bromide (P)", "source_quote": "Methyl Bromide (P) | 74839 | 100 | 10,000 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Methyl Bromide (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "100"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Methylene Chloride (P)\n\n**CAS Registry Number:** 75092\n\n**Water + Organism criterion (\u00b5g/L):** 20\n\n**Organism Only criterion (\u00b5g/L):** 1,000\n\n> Methylene Chloride (P) | 75092 | 20 | 1,000 | 2015\n\nSource: \n", "cas_number": "75092", "file": "methylene-chloride-p.md", "generated": true, "harvested": "2026-08-17", "id": "methylene-chloride-p", "organism_only_threshold": "1,000", "pollutant": "Methylene Chloride (P)", "source_quote": "Methylene Chloride (P) | 75092 | 20 | 1,000 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Methylene Chloride (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "20"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Methylmercury (P)\n\n**CAS Registry Number:** 22967926\n\n**Water + Organism criterion (\u00b5g/L):** \u2014\n\n**Organism Only criterion (\u00b5g/L):** 0.3 mg/kg\n\n> Methylmercury (P) | 22967926 | \u2014 | 0.3 mg/kg | 2001\n\nSource: \n", "cas_number": "22967926", "file": "methylmercury-p.md", "generated": true, "harvested": "2026-08-17", "id": "methylmercury-p", "organism_only_threshold": "0.3 mg/kg", "pollutant": "Methylmercury (P)", "source_quote": "Methylmercury (P) | 22967926 | \u2014 | 0.3 mg/kg | 2001", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Methylmercury (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "\u2014"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Microcystins\n\n**CAS Registry Number:** 101043-37-2\n\n**Water + Organism criterion (\u00b5g/L):** \u2014\n\n**Organism Only criterion (\u00b5g/L):** \u2014\n\n> Microcystins | 101043-37-2 | \u2014 | \u2014 | 2019\n\nSource: \n", "cas_number": "101043-37-2", "file": "microcystins.md", "generated": true, "harvested": "2026-08-17", "id": "microcystins", "organism_only_threshold": "\u2014", "pollutant": "Microcystins", "source_quote": "Microcystins | 101043-37-2 | \u2014 | \u2014 | 2019", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Microcystins \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "\u2014"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** N-Nitrosodi-n-Propylamine (P)\n\n**CAS Registry Number:** 621647\n\n**Water + Organism criterion (\u00b5g/L):** 0.0050\n\n**Organism Only criterion (\u00b5g/L):** 0.51\n\n> N-Nitrosodi-n-Propylamine (P) | 621647 | 0.0050 | 0.51 | 2002\n\nSource: \n", "cas_number": "621647", "file": "n-nitrosodi-n-propylamine-p.md", "generated": true, "harvested": "2026-08-17", "id": "n-nitrosodi-n-propylamine-p", "organism_only_threshold": "0.51", "pollutant": "N-Nitrosodi-n-Propylamine (P)", "source_quote": "N-Nitrosodi-n-Propylamine (P) | 621647 | 0.0050 | 0.51 | 2002", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "N-Nitrosodi-n-Propylamine (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.0050"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** N-Nitrosodimethylamine (P)\n\n**CAS Registry Number:** 62759\n\n**Water + Organism criterion (\u00b5g/L):** 0.00069\n\n**Organism Only criterion (\u00b5g/L):** 3.0\n\n> N-Nitrosodimethylamine (P) | 62759 | 0.00069 | 3.0 | 2002\n\nSource: \n", "cas_number": "62759", "file": "n-nitrosodimethylamine-p.md", "generated": true, "harvested": "2026-08-17", "id": "n-nitrosodimethylamine-p", "organism_only_threshold": "3.0", "pollutant": "N-Nitrosodimethylamine (P)", "source_quote": "N-Nitrosodimethylamine (P) | 62759 | 0.00069 | 3.0 | 2002", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "N-Nitrosodimethylamine (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.00069"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** N-Nitrosodiphenylamine (P)\n\n**CAS Registry Number:** 86306\n\n**Water + Organism criterion (\u00b5g/L):** 3.3\n\n**Organism Only criterion (\u00b5g/L):** 6.0\n\n> N-Nitrosodiphenylamine (P) | 86306 | 3.3 | 6.0 | 2002\n\nSource: \n", "cas_number": "86306", "file": "n-nitrosodiphenylamine-p.md", "generated": true, "harvested": "2026-08-17", "id": "n-nitrosodiphenylamine-p", "organism_only_threshold": "6.0", "pollutant": "N-Nitrosodiphenylamine (P)", "source_quote": "N-Nitrosodiphenylamine (P) | 86306 | 3.3 | 6.0 | 2002", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "N-Nitrosodiphenylamine (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "3.3"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Nickel (P)\n\n**CAS Registry Number:** 7440020\n\n**Water + Organism criterion (\u00b5g/L):** 610\n\n**Organism Only criterion (\u00b5g/L):** 4,600\n\n> Nickel (P) | 7440020 | 610 | 4,600 | 1998\n\nSource: \n", "cas_number": "7440020", "file": "nickel-p.md", "generated": true, "harvested": "2026-08-17", "id": "nickel-p", "organism_only_threshold": "4,600", "pollutant": "Nickel (P)", "source_quote": "Nickel (P) | 7440020 | 610 | 4,600 | 1998", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Nickel (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "610"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Nitrates\n\n**CAS Registry Number:** 14797558\n\n**Water + Organism criterion (\u00b5g/L):** 10,000\n\n**Organism Only criterion (\u00b5g/L):** \u2014\n\n> Nitrates | 14797558 | 10,000 | \u2014 | 1986\n\nSource: \n", "cas_number": "14797558", "file": "nitrates.md", "generated": true, "harvested": "2026-08-17", "id": "nitrates", "organism_only_threshold": "\u2014", "pollutant": "Nitrates", "source_quote": "Nitrates | 14797558 | 10,000 | \u2014 | 1986", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Nitrates \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "10,000"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Nitrobenzene (P)\n\n**CAS Registry Number:** 98953\n\n**Water + Organism criterion (\u00b5g/L):** 10\n\n**Organism Only criterion (\u00b5g/L):** 600\n\n> Nitrobenzene (P) | 98953 | 10 | 600 | 2015\n\nSource: \n", "cas_number": "98953", "file": "nitrobenzene-p.md", "generated": true, "harvested": "2026-08-17", "id": "nitrobenzene-p", "organism_only_threshold": "600", "pollutant": "Nitrobenzene (P)", "source_quote": "Nitrobenzene (P) | 98953 | 10 | 600 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Nitrobenzene (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "10"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Nitrosamines\n\n**CAS Registry Number:** \u2014\n\n**Water + Organism criterion (\u00b5g/L):** 0.0008\n\n**Organism Only criterion (\u00b5g/L):** 1.24\n\n> Nitrosamines | \u2014 | 0.0008 | 1.24 | 1980\n\nSource: \n", "cas_number": "\u2014", "file": "nitrosamines.md", "generated": true, "harvested": "2026-08-17", "id": "nitrosamines", "organism_only_threshold": "1.24", "pollutant": "Nitrosamines", "source_quote": "Nitrosamines | \u2014 | 0.0008 | 1.24 | 1980", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Nitrosamines \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.0008"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Nitrosodibutylamine\n\n**CAS Registry Number:** 924163\n\n**Water + Organism criterion (\u00b5g/L):** 0.0063\n\n**Organism Only criterion (\u00b5g/L):** 0.22\n\n> Nitrosodibutylamine | 924163 | 0.0063 | 0.22 | 2002\n\nSource: \n", "cas_number": "924163", "file": "nitrosodibutylamine.md", "generated": true, "harvested": "2026-08-17", "id": "nitrosodibutylamine", "organism_only_threshold": "0.22", "pollutant": "Nitrosodibutylamine", "source_quote": "Nitrosodibutylamine | 924163 | 0.0063 | 0.22 | 2002", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Nitrosodibutylamine \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.0063"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Nitrosodiethylamine\n\n**CAS Registry Number:** 55185\n\n**Water + Organism criterion (\u00b5g/L):** 0.0008\n\n**Organism Only criterion (\u00b5g/L):** 1.24\n\n> Nitrosodiethylamine | 55185 | 0.0008 | 1.24 | 2002\n\nSource: \n", "cas_number": "55185", "file": "nitrosodiethylamine.md", "generated": true, "harvested": "2026-08-17", "id": "nitrosodiethylamine", "organism_only_threshold": "1.24", "pollutant": "Nitrosodiethylamine", "source_quote": "Nitrosodiethylamine | 55185 | 0.0008 | 1.24 | 2002", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Nitrosodiethylamine \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.0008"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Nitrosopyrrolidine\n\n**CAS Registry Number:** 930552\n\n**Water + Organism criterion (\u00b5g/L):** 0.016\n\n**Organism Only criterion (\u00b5g/L):** 34\n\n> Nitrosopyrrolidine | 930552 | 0.016 | 34 | 2002\n\nSource: \n", "cas_number": "930552", "file": "nitrosopyrrolidine.md", "generated": true, "harvested": "2026-08-17", "id": "nitrosopyrrolidine", "organism_only_threshold": "34", "pollutant": "Nitrosopyrrolidine", "source_quote": "Nitrosopyrrolidine | 930552 | 0.016 | 34 | 2002", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Nitrosopyrrolidine \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.016"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** p,p\u2032-Dichlorodiphenyldichloroethane (DDD) (P)\n\n**CAS Registry Number:** 72548\n\n**Water + Organism criterion (\u00b5g/L):** 0.00012\n\n**Organism Only criterion (\u00b5g/L):** 0.00012\n\n> p,p\u2032-Dichlorodiphenyldichloroethane (DDD) (P) | 72548 | 0.00012 | 0.00012 | 2015\n\nSource: \n", "cas_number": "72548", "file": "p-p-dichlorodiphenyldichloroethane-ddd-p.md", "generated": true, "harvested": "2026-08-17", "id": "p-p-dichlorodiphenyldichloroethane-ddd-p", "organism_only_threshold": "0.00012", "pollutant": "p,p\u2032-Dichlorodiphenyldichloroethane (DDD) (P)", "source_quote": "p,p\u2032-Dichlorodiphenyldichloroethane (DDD) (P) | 72548 | 0.00012 | 0.00012 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "p,p\u2032-Dichlorodiphenyldichloroethane (DDD) (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.00012"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** p,p\u2032-Dichlorodiphenyldichloroethylene (DDE) (P)\n\n**CAS Registry Number:** 72559\n\n**Water + Organism criterion (\u00b5g/L):** 0.000018\n\n**Organism Only criterion (\u00b5g/L):** 0.000018\n\n> p,p\u2032-Dichlorodiphenyldichloroethylene (DDE) (P) | 72559 | 0.000018 | 0.000018 | 2015\n\nSource: \n", "cas_number": "72559", "file": "p-p-dichlorodiphenyldichloroethylene-dde-p.md", "generated": true, "harvested": "2026-08-17", "id": "p-p-dichlorodiphenyldichloroethylene-dde-p", "organism_only_threshold": "0.000018", "pollutant": "p,p\u2032-Dichlorodiphenyldichloroethylene (DDE) (P)", "source_quote": "p,p\u2032-Dichlorodiphenyldichloroethylene (DDE) (P) | 72559 | 0.000018 | 0.000018 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "p,p\u2032-Dichlorodiphenyldichloroethylene (DDE) (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.000018"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** p,p\u2032-Dichlorodiphenyltrichloroethane (DDT) (P)\n\n**CAS Registry Number:** 50293\n\n**Water + Organism criterion (\u00b5g/L):** 0.000030\n\n**Organism Only criterion (\u00b5g/L):** 0.000030\n\n> p,p\u2032-Dichlorodiphenyltrichloroethane (DDT) (P) | 50293 | 0.000030 | 0.000030 | 2015\n\nSource: \n", "cas_number": "50293", "file": "p-p-dichlorodiphenyltrichloroethane-ddt-p.md", "generated": true, "harvested": "2026-08-17", "id": "p-p-dichlorodiphenyltrichloroethane-ddt-p", "organism_only_threshold": "0.000030", "pollutant": "p,p\u2032-Dichlorodiphenyltrichloroethane (DDT) (P)", "source_quote": "p,p\u2032-Dichlorodiphenyltrichloroethane (DDT) (P) | 50293 | 0.000030 | 0.000030 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "p,p\u2032-Dichlorodiphenyltrichloroethane (DDT) (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.000030"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Pentachlorobenzene\n\n**CAS Registry Number:** 608935\n\n**Water + Organism criterion (\u00b5g/L):** 0.1\n\n**Organism Only criterion (\u00b5g/L):** 0.1\n\n> Pentachlorobenzene | 608935 | 0.1 | 0.1 | 2015\n\nSource: \n", "cas_number": "608935", "file": "pentachlorobenzene.md", "generated": true, "harvested": "2026-08-17", "id": "pentachlorobenzene", "organism_only_threshold": "0.1", "pollutant": "Pentachlorobenzene", "source_quote": "Pentachlorobenzene | 608935 | 0.1 | 0.1 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Pentachlorobenzene \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.1"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Pentachlorophenol (P)\n\n**CAS Registry Number:** 87865\n\n**Water + Organism criterion (\u00b5g/L):** 0.03\n\n**Organism Only criterion (\u00b5g/L):** 0.04\n\n> Pentachlorophenol (P) | 87865 | 0.03 | 0.04 | 2015\n\nSource: \n", "cas_number": "87865", "file": "pentachlorophenol-p.md", "generated": true, "harvested": "2026-08-17", "id": "pentachlorophenol-p", "organism_only_threshold": "0.04", "pollutant": "Pentachlorophenol (P)", "source_quote": "Pentachlorophenol (P) | 87865 | 0.03 | 0.04 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Pentachlorophenol (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.03"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Perfluorobutane Sulfonic Acid (PFBS) (Draft)\n\n**CAS Registry Number:** \u2014\n\n**Water + Organism criterion (\u00b5g/L):** \u2014\n\n**Organism Only criterion (\u00b5g/L):** \u2014\n\n> Perfluorobutane Sulfonic Acid (PFBS) (Draft) | \u2014 | \u2014 | \u2014 | \u2014\n\nSource: \n", "cas_number": "\u2014", "file": "perfluorobutane-sulfonic-acid-pfbs-draft.md", "generated": true, "harvested": "2026-08-17", "id": "perfluorobutane-sulfonic-acid-pfbs-draft", "organism_only_threshold": "\u2014", "pollutant": "Perfluorobutane Sulfonic Acid (PFBS) (Draft)", "source_quote": "Perfluorobutane Sulfonic Acid (PFBS) (Draft) | \u2014 | \u2014 | \u2014 | \u2014", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Perfluorobutane Sulfonic Acid (PFBS) (Draft) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "\u2014"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Perfluorooctane Sulfonate (PFOS) (Draft)\n\n**CAS Registry Number:** \u2014\n\n**Water + Organism criterion (\u00b5g/L):** \u2014\n\n**Organism Only criterion (\u00b5g/L):** \u2014\n\n> Perfluorooctane Sulfonate (PFOS) (Draft) | \u2014 | \u2014 | \u2014 | \u2014\n\nSource: \n", "cas_number": "\u2014", "file": "perfluorooctane-sulfonate-pfos-draft.md", "generated": true, "harvested": "2026-08-17", "id": "perfluorooctane-sulfonate-pfos-draft", "organism_only_threshold": "\u2014", "pollutant": "Perfluorooctane Sulfonate (PFOS) (Draft)", "source_quote": "Perfluorooctane Sulfonate (PFOS) (Draft) | \u2014 | \u2014 | \u2014 | \u2014", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Perfluorooctane Sulfonate (PFOS) (Draft) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "\u2014"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Perfluorooctanoic Acid (PFOA) (Draft)\n\n**CAS Registry Number:** \u2014\n\n**Water + Organism criterion (\u00b5g/L):** \u2014\n\n**Organism Only criterion (\u00b5g/L):** \u2014\n\n> Perfluorooctanoic Acid (PFOA) (Draft) | \u2014 | \u2014 | \u2014 | \u2014\n\nSource: \n", "cas_number": "\u2014", "file": "perfluorooctanoic-acid-pfoa-draft.md", "generated": true, "harvested": "2026-08-17", "id": "perfluorooctanoic-acid-pfoa-draft", "organism_only_threshold": "\u2014", "pollutant": "Perfluorooctanoic Acid (PFOA) (Draft)", "source_quote": "Perfluorooctanoic Acid (PFOA) (Draft) | \u2014 | \u2014 | \u2014 | \u2014", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Perfluorooctanoic Acid (PFOA) (Draft) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "\u2014"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** pH\n\n**CAS Registry Number:** \u2014\n\n**Water + Organism criterion (\u00b5g/L):** 5 \u2013 9\n\n**Organism Only criterion (\u00b5g/L):** \u2014\n\n> pH | \u2014 | 5 \u2013 9 | \u2014 | 1986\n\nSource: \n", "cas_number": "\u2014", "file": "ph.md", "generated": true, "harvested": "2026-08-17", "id": "ph", "organism_only_threshold": "\u2014", "pollutant": "pH", "source_quote": "pH | \u2014 | 5 \u2013 9 | \u2014 | 1986", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "pH \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "5 \u2013 9"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Phenol (P)\n\n**CAS Registry Number:** 108952\n\n**Water + Organism criterion (\u00b5g/L):** 4,000\n\n**Organism Only criterion (\u00b5g/L):** 300,000\n\n> Phenol (P) | 108952 | 4,000 | 300,000 | 2015\n\nSource: \n", "cas_number": "108952", "file": "phenol-p.md", "generated": true, "harvested": "2026-08-17", "id": "phenol-p", "organism_only_threshold": "300,000", "pollutant": "Phenol (P)", "source_quote": "Phenol (P) | 108952 | 4,000 | 300,000 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Phenol (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "4,000"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Polychlorinated Biphenyls (PCBs) (P)\n\n**CAS Registry Number:** \u2014\n\n**Water + Organism criterion (\u00b5g/L):** 0.000064\n\n**Organism Only criterion (\u00b5g/L):** 0.000064\n\n> Polychlorinated Biphenyls (PCBs) (P) | \u2014 | 0.000064 | 0.000064 | 2002\n\nSource: \n", "cas_number": "\u2014", "file": "polychlorinated-biphenyls-pcbs-p.md", "generated": true, "harvested": "2026-08-17", "id": "polychlorinated-biphenyls-pcbs-p", "organism_only_threshold": "0.000064", "pollutant": "Polychlorinated Biphenyls (PCBs) (P)", "source_quote": "Polychlorinated Biphenyls (PCBs) (P) | \u2014 | 0.000064 | 0.000064 | 2002", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Polychlorinated Biphenyls (PCBs) (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.000064"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Pyrene (P)\n\n**CAS Registry Number:** 129000\n\n**Water + Organism criterion (\u00b5g/L):** 20\n\n**Organism Only criterion (\u00b5g/L):** 30\n\n> Pyrene (P) | 129000 | 20 | 30 | 2015\n\nSource: \n", "cas_number": "129000", "file": "pyrene-p.md", "generated": true, "harvested": "2026-08-17", "id": "pyrene-p", "organism_only_threshold": "30", "pollutant": "Pyrene (P)", "source_quote": "Pyrene (P) | 129000 | 20 | 30 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Pyrene (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "20"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Selenium (P)\n\n**CAS Registry Number:** 7782492\n\n**Water + Organism criterion (\u00b5g/L):** 170\n\n**Organism Only criterion (\u00b5g/L):** 4200\n\n> Selenium (P) | 7782492 | 170 | 4200 | 2002\n\nSource: \n", "cas_number": "7782492", "file": "selenium-p.md", "generated": true, "harvested": "2026-08-17", "id": "selenium-p", "organism_only_threshold": "4200", "pollutant": "Selenium (P)", "source_quote": "Selenium (P) | 7782492 | 170 | 4200 | 2002", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Selenium (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "170"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Solids Dissolved and Salinity\n\n**CAS Registry Number:** \u2014\n\n**Water + Organism criterion (\u00b5g/L):** 250,000\n\n**Organism Only criterion (\u00b5g/L):** \u2014\n\n> Solids Dissolved and Salinity | \u2014 | 250,000 | \u2014 | 1986\n\nSource: \n", "cas_number": "\u2014", "file": "solids-dissolved-and-salinity.md", "generated": true, "harvested": "2026-08-17", "id": "solids-dissolved-and-salinity", "organism_only_threshold": "\u2014", "pollutant": "Solids Dissolved and Salinity", "source_quote": "Solids Dissolved and Salinity | \u2014 | 250,000 | \u2014 | 1986", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Solids Dissolved and Salinity \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "250,000"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Tetrachloroethylene (P)\n\n**CAS Registry Number:** 127184\n\n**Water + Organism criterion (\u00b5g/L):** 10\n\n**Organism Only criterion (\u00b5g/L):** 29\n\n> Tetrachloroethylene (P) | 127184 | 10 | 29 | 2015\n\nSource: \n", "cas_number": "127184", "file": "tetrachloroethylene-p.md", "generated": true, "harvested": "2026-08-17", "id": "tetrachloroethylene-p", "organism_only_threshold": "29", "pollutant": "Tetrachloroethylene (P)", "source_quote": "Tetrachloroethylene (P) | 127184 | 10 | 29 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Tetrachloroethylene (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "10"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Thallium (P)\n\n**CAS Registry Number:** 7440280\n\n**Water + Organism criterion (\u00b5g/L):** 0.24\n\n**Organism Only criterion (\u00b5g/L):** 0.47\n\n> Thallium (P) | 7440280 | 0.24 | 0.47 | 2003\n\nSource: \n", "cas_number": "7440280", "file": "thallium-p.md", "generated": true, "harvested": "2026-08-17", "id": "thallium-p", "organism_only_threshold": "0.47", "pollutant": "Thallium (P)", "source_quote": "Thallium (P) | 7440280 | 0.24 | 0.47 | 2003", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Thallium (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.24"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Toluene (P)\n\n**CAS Registry Number:** 108883\n\n**Water + Organism criterion (\u00b5g/L):** 57\n\n**Organism Only criterion (\u00b5g/L):** 520\n\n> Toluene (P) | 108883 | 57 | 520 | 2015\n\nSource: \n", "cas_number": "108883", "file": "toluene-p.md", "generated": true, "harvested": "2026-08-17", "id": "toluene-p", "organism_only_threshold": "520", "pollutant": "Toluene (P)", "source_quote": "Toluene (P) | 108883 | 57 | 520 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Toluene (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "57"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Toxaphene (P)\n\n**CAS Registry Number:** 8001352\n\n**Water + Organism criterion (\u00b5g/L):** 0.00070\n\n**Organism Only criterion (\u00b5g/L):** 0.00071\n\n> Toxaphene (P) | 8001352 | 0.00070 | 0.00071 | 2015\n\nSource: \n", "cas_number": "8001352", "file": "toxaphene-p.md", "generated": true, "harvested": "2026-08-17", "id": "toxaphene-p", "organism_only_threshold": "0.00071", "pollutant": "Toxaphene (P)", "source_quote": "Toxaphene (P) | 8001352 | 0.00070 | 0.00071 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Toxaphene (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.00070"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Trans-1,2-Dichloroethylene (P)\n\n**CAS Registry Number:** 156605\n\n**Water + Organism criterion (\u00b5g/L):** 100\n\n**Organism Only criterion (\u00b5g/L):** 4,000\n\n> Trans-1,2-Dichloroethylene (P) | 156605 | 100 | 4,000 | 2015\n\nSource: \n", "cas_number": "156605", "file": "trans-1-2-dichloroethylene-p.md", "generated": true, "harvested": "2026-08-17", "id": "trans-1-2-dichloroethylene-p", "organism_only_threshold": "4,000", "pollutant": "Trans-1,2-Dichloroethylene (P)", "source_quote": "Trans-1,2-Dichloroethylene (P) | 156605 | 100 | 4,000 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Trans-1,2-Dichloroethylene (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "100"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Trichloroethylene (P)\n\n**CAS Registry Number:** 79016\n\n**Water + Organism criterion (\u00b5g/L):** 0.6\n\n**Organism Only criterion (\u00b5g/L):** 7\n\n> Trichloroethylene (P) | 79016 | 0.6 | 7 | 2015\n\nSource: \n", "cas_number": "79016", "file": "trichloroethylene-p.md", "generated": true, "harvested": "2026-08-17", "id": "trichloroethylene-p", "organism_only_threshold": "7", "pollutant": "Trichloroethylene (P)", "source_quote": "Trichloroethylene (P) | 79016 | 0.6 | 7 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Trichloroethylene (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.6"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Vinyl Chloride (P)\n\n**CAS Registry Number:** 75014\n\n**Water + Organism criterion (\u00b5g/L):** 0.022\n\n**Organism Only criterion (\u00b5g/L):** 1.6\n\n> Vinyl Chloride (P) | 75014 | 0.022 | 1.6 | 2015\n\nSource: \n", "cas_number": "75014", "file": "vinyl-chloride-p.md", "generated": true, "harvested": "2026-08-17", "id": "vinyl-chloride-p", "organism_only_threshold": "1.6", "pollutant": "Vinyl Chloride (P)", "source_quote": "Vinyl Chloride (P) | 75014 | 0.022 | 1.6 | 2015", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Vinyl Chloride (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "0.022"} {"asset": "epa-water-quality-criteria-human-health", "body": "**Pollutant name:** Zinc (P)\n\n**CAS Registry Number:** 7440666\n\n**Water + Organism criterion (\u00b5g/L):** 7,400\n\n**Organism Only criterion (\u00b5g/L):** 26,000\n\n> Zinc (P) | 7440666 | 7,400 | 26,000 | 2002\n\nSource: \n", "cas_number": "7440666", "file": "zinc-p.md", "generated": true, "harvested": "2026-08-17", "id": "zinc-p", "organism_only_threshold": "26,000", "pollutant": "Zinc (P)", "source_quote": "Zinc (P) | 7440666 | 7,400 | 26,000 | 2002", "sources": ["https://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table"], "stale_after": "2028-08-16", "title": "Zinc (P) \u2014 EPA national recommended water quality criteria for human health: pollutant concentration thresholds", "type": "threshold", "verified": true, "water_organism_threshold": "7,400"}