Authority to Administer Standards Program
The Gila River Indian Community was granted treatment in a manner similar to a state (TAS) on October 30, 2018.
Tribe Standards in Effect for CWA Purposes
At this time, there are no approved tribal water quality standards.
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.