Water Quality Standards Regulations: New Mexico

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

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 "State 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.

On this page:

State Standards in Effect for CWA Purposes
Federally Proposed or Promulgated Standards

State Standards in Effect for CWA Purposes

[See Standards for Interstate and Intrastate Surface Waters, Title 20, Chapter 6, Part 4 ]
(Effective July 24, 2020) Establishes water quality standards that consist of the designated use or uses of surface waters of the state, the water quality criteria necessary to protect the use or uses, and an antidegradation policy. Please note that not all parts of this document are effective for CWA purposes. See cover page for more information.

Federally Proposed or Promulgated Standards

None at this time.

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Standards for Interstate and Intrastate Surface Waters, Title 20, Chapter 6, Part 4 (PDF)(57 pp, 2 MB)