Reference Source

Cyanide (P)

What is the water + organism criterion (µg/l) for Cyanide (P)?

For Cyanide (P), water + organism criterion (µg/l) is 4; organism only criterion (µg/l) is 400; publication year is 2015; cas registry number is 57125, verified against its source on 2026-10-28.

Cyanide (P) | 57125 | 4 | 400 | 2015

— epa.gov, retrieved 2026-09-15

Pollutant name
Cyanide (P) verified
CAS Registry Number
57125 verified
Water + Organism criterion (µg/L)
4 verified
Organism Only criterion (µg/L)
400 verified
Publication Year
2015 verified
EPA note on this criterion
EPA has issued a Maximum Contaminant Level (MCL) for this chemical which may be more stringent. Refer to EPA's National Primary Drinking Water Regulations. verified
Sourceepa.gov
Verified
Review by
DatasetEPA national recommended water quality criteria for human health: pollutant concentration thresholds

Where each value comes from

The value above is stated away from the sentence quoted with the answer, so the passage that states it is shown here too.

EPA note on this criterion

Cyanide (P) | 57125 | 4 | 400 | 2015 | EPA has issued a Maximum Contaminant Level (MCL) for this chemical which may be more stringent. Refer to EPA's National Primary Drinking Water Regulations.

— all from epa.gov, retrieved 2026-09-15

Source

Last verified against source: . Due for re-check by . This page as Markdown · OKF bundle · full dataset as JSON.