EPA updated the recommended aquatic life water quality chronic criterion for selenium in freshwater on June 30, 2016. Below is the draft criterion that was released for public comment in July 2015.
Once finalized, EPA's water quality criterion for selenium will provide recommendations to states and tribes authorized to establish water quality standards under the Clean Water Act.
- View public comments and other supporting documents on regulations.gov by searching for Docket Number EPA-HQ-OW-2004-0019
- Draft Criterion: Aquatic Life Ambient Water Quality Criterion for Selenium – Freshwater 2015 (PDF)(740 pp, 9 MB, July 2015, EPA 822-P-15-001)
- Fact Sheet: External Peer Review Draft Aquatic Life Ambient Water Quality Criterion for Selenium – Freshwater 2014 (PDF)(4 pp, 490 K, May 2014, EPA-820-F-14-005)
- 2014 Draft Document: External Peer Review Draft Aquatic Life Ambient Water Quality Criterion for Selenium- Freshwater (PDF)(637 pp, 8 MB, May 2014, EPA 822-P-14-001)
- Peer Review Comments: on 2014 External Peer Review Draft Aquatic Life Ambient Water Quality Criterion for Selenium - Freshwater (PDF)(99 pp, 581 K, September 25, 2014)
- Response to Peer Review Comment: on 2014 External Peer Review Draft Aquatic Life Ambient Water Quality Criterion for Selenium- Freshwater (PDF)(146 pp, 1 MB)
- Response to Public Comment: on 2014 External Peer Review Draft Aquatic Life Ambient Water Quality Criterion for Selenium- Freshwater (PDF)(366 pp, 2 MB, July 2016)