Authority to Administer Standards Program
This tribe was granted treatment in a manner similar to a state (TAS) on July 22, 2004.
Tribe Standards in Effect for CWA Purposes
The tribe’s initial water quality standards were approved on September 17, 2004. Please note that Appendix A of this document is no longer effective for Clean Water Act purposes, as it has since been replaced (see cover letter). Refer to link below for amended Appendix A (numeric water quality criteria).
- [See Hualapai Tribe Water Quality Standards ]
(Effective September 25, 2009)
- [See Hualapai Tribe Water Quality Standards: Appendix A ]
(Effective March 18, 2013)
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.
- Hualapai Tribe Water Quality Standards (PDF)(65 pp, 3 MB)
- Hualapai Tribe Water Quality Standards: Appendix A (PDF)(11 pp, 317 K)