Microcystins
What is the water + organism criterion (µg/l) for Microcystins?
For Microcystins, water + organism criterion (µg/l) is —; organism only criterion (µg/l) is —; publication year is 2019; cas registry number is 101043-37-2, verified against its source on 2026-10-28.
Microcystins | 101043-37-2 | — | — | 2019
— epa.gov, retrieved 2026-09-15
- Pollutant name
- Microcystins verified
- CAS Registry Number
- 101043-37-2 verified
- Water + Organism criterion (µg/L)
- — verified
- Organism Only criterion (µg/L)
- — verified
- Publication Year
- 2019 verified
- EPA note on this criterion
- The national recommended human health recreational criterion or swimming advisory for microcystins is 8 µg/L. When applied as a Clean Water Act section 304(a) water quality criterion, EPA recommends no more than 3 excursions (10-day assessment periods) within a recreational season in more than one year. When used as a swimming advisory, EPA recommends the value not be exceeded on any single day. verified
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
Microcystins | 101043-37-2 | — | — | 2019 | The national recommended human health recreational criterion or swimming advisory for microcystins is 8 µg/L. When applied as a Clean Water Act section 304(a) water quality criterion, EPA recommends no more than 3 excursions (10-day assessment periods) within a recreational season in more than one year. When used as a swimming advisory, EPA recommends the value not be exceeded on any single day.
— all from epa.gov, retrieved 2026-09-15
Source
- epa.govhttps://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table