Water Quality Standards Regulations: Hualapai Tribe

Presented are water quality standards in effect for Clean Water Act (CWA) purposes.

EPA is posting these standards as a convenience to users and has made a reasonable effort to assure their accuracy. Also, for each document listed under "Tribe Standards in Effect for CWA Purposes", EPA has made a reasonable effort to identify parts of the standards that are disapproved or are otherwise not in effect for CWA purposes.

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.

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Hualapai Tribe Water Quality Standards (PDF)(65 pp, 3 MB)
Hualapai Tribe Water Quality Standards: Appendix A (PDF)(11 pp, 317 K)