• State Standards in Effect for CWA Purposes
• Federally Proposed or Promulgated Standards
• Selected Actions and Correspondence

State Standards in Effect for CWA Purposes

• [See Water Quality Standards, Chapter 70 (2020) ]
  (Effective March 23, 2020) These regulations contain additional provisions related to groundwater and enforcement discretion provisions (18 AAC 70.005, 18 AAC 70.050 (2) and 18 AAC 70.990 (28)) that are outside the scope of the federal water quality standards regulations. However, these provisions have been included here as context for the reader.
  • [See Water Quality Standards, Chapter 70 (2003) (PDF)]
    (Effective February 27, 2004)
• [See Alaska Water Quality Criteria Manual for Toxic and Other Deleterious Organic and Inorganic Substances (PDF)]
  (Effective September 17, 2009) Please note that certain provisions contained in this document are not effective for Clean Water Act purposes (refer to cover page for more info)

Federally Proposed or Promulgated Standards

• 40 CFR §131.36  Toxics criteria for those states not complying with Clean Water Act section 303(c)(2)(B)
• 40 CFR §131.41  Bacteriological criteria for those states not complying with Clean Water Act section 303(i)(1)(A)

Selected Actions and Correspondence

Recent actions along with supporting documents are provided below for reference.

• [See EPA Approval of Revisions to Alaska Recreational Water Quality Criteria for Fresh and Marine Water - May 12, 2017 ]

• Water Quality Standards, Chapter 70 (2020) (PDF)(75 pp, 2 MB)
• Water Quality Standards, Chapter 70 (2003) (PDF)(61 pp, 479 K)
• Alaska Water Quality Criteria Manual for Toxic and Other Deleterious Organic and Inorganic Substances (PDF)(46 pp, 3 MB)
• EPA Approval of Revisions to Alaska Recreational Water Quality Criteria for Fresh and Marine Water - May 12, 2017 (PDF)(10 pp, 720 K)