Authority to Administer Standards Program
This tribe was granted treatment in a manner similar to a state (TAS) on July 23, 2002.
Tribe Standards in Effect for CWA Purposes
The tribe’s water quality standards were approved on April 22, 2003.
- [See Spokane Tribe of Indians Water Quality Standards ]
(Effective December 19, 2013) Please note that some provisions in this document have not been approved by EPA and are therefore not in effect for CWA purposes. See the cover page for more information.
Federally Proposed or Promulgated Standards
At this time, there are no federally proposed or promulgated standards applicable to this tribe.You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.
- Spokane Tribe of Indians Water Quality Standards (PDF)(133 pp, 5 MB)