State Standards in Effect for CWA Purposes
- [See Standards for Interstate and Intrastate Surface Waters, Title 20, Chapter 6, Part 4 ]
(Effective August 11, 2017) 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.You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.