Water: State, Tribal & Territorial Standards
Repository of Documents: Idaho
You will need Adobe Reader to view some of the files on this page. See EPA's PDF page to learn more.Water Quality Standards (PDF) (180 pp, 1.1MB)
- (Effective March 3, 2011) State regulation establishing water quality standards for surface waters of the state.
- Federal Regulations for Idaho, 40 CFR 131.33
- (Effective November 5, 2008) Federal regulations establishing a water quality criterion for temperature protective of bull trout, the list of waterbodies where this water quality criterion applies, use designations for specific waterbodies, a federal variance policy/provision, as well as a procedures for site specific modification of designated uses of waterbodies and the temperature criterion for bull trout.