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 will need Adobe 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)