Authority to Administer Standards Program
This tribe was granted treatment in a manner similar to a state (TAS) on May 25, 1999.
Tribe Standards in Effect for CWA Purposes
The tribe’s initial water quality standards were approved on September 28, 2001.
- [See Confederated Tribes of the Warm Springs Indian Reservation of Oregon Water Quality Standards ]
(Effective on July 20, 2006) Please note that not all provisions of this document have been approved by EPA and therefore are 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.