Water Quality Standards Regulations: Northern Cheyenne Tribe of the Northern Cheyenne Reservation
Presented are water quality standards in effect for Clean Water Act (CWA) purposes for this tribe.
The EPA is posting these standards as a convenience to users and has made a reasonable effort to assure their accuracy. For each document listed under "Tribal Standards in Effect for CWA Purposes", the EPA has made a reasonable effort to identify parts of the standards that are disapproved or are otherwise not in effect for CWA purposes. Additionally, please note the documents may also contain provisions that the EPA does not have the authority and duty to act on under the Clean Water Act because the provisions are not water quality standards.
Authority to Administer Standards Program
This tribe was granted treatment in a manner similar to a state (TAS) on August 11, 2006.
Tribal Standards in Effect for CWA Purposes
The tribe’s initial water quality standards were approved on March 21, 2013. The Northern Cheyenne Tribe adopted these standards to protect public health and welfare, enhance the quality of water and serve the purposes of the Federal Clean Water Act.
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Northern Cheyenne Tribe Surface Water Quality Standards (pdf)
(Effective September 19, 2023)
Federally Proposed or Promulgated Standards
- None at this time.