Water Quality Standards Regulations: Confederated Tribes of the Colville Reservation

Presented below are water quality standards in effect for Clean Water Act (CWA) purposes for this tribe.

EPA is posting these standards as a convenience to users and has made a reasonable effort to assure their accuracy. Also, for each document listed under "Tribe Standards in Effect for CWA Purposes", EPA has made a reasonable effort to identify parts of the standards that are disapproved or are otherwise not in effect for CWA purposes.

Authority to Administer Standards Program

Not applicable.

Tribe Standards in Effect for CWA Purposes

Not applicable.

Federally Proposed or Promulgated Standards

Federal Water Quality Standards Regulations for the Confederated Tribes of the Colville Reservation (40 CFR 131.35) (Effective July 1, 2005)
[See Proposed Rule Federal Register Notice ]
[See Final Rule Federal Register Notice ]

You will need Adobe Reader to view some of the files on this page. See EPA’s About PDF page to learn more.

Final Rule Federal Register Notice (PDF)(8 pp, 1 MB)
Proposed Rule Federal Register Notice (PDF)(7 pp, 845 K)