Recent Activities

For questions about Drinking Water, please contact the Division of Environmental Health, Drinking Water Programs.

Water Quality Standards Variances and Reclassification Rulemaking

• Public Notice of Rulemaking (PDF)
• Proposed rule language pertaining to adoption of water quality standards variances and reclassification procedures (PDF)
• Water Quality Standards Variances Fact Sheet (PDF)

Questions raised by the public pertaining to proposed rulemaking:

• QUESTIONS POSED AS OF 8-20-19(PDF)

Toxics Manual

• Approved by USEPA Region 10 on September 17, 2009 (PDF) )
• Toxics 18 AAC 70 regulations revisions (PDF) (April 6, 2018)
• Alaska Water Quality Criteria Manual for Toxic and Other Deleterious Organic and Inorganic Substances (PDF) (December 12, 2008)
• Toxics Manual presentation from public workshops and hearing (PDF) (February 2009)
• Corrected notice of proposed changes in the regulations of the Department of Environmental Conservation (PDF) (December 16, 2008)
• Toxics Dear Interested Alaskan Letter (PDF) (December 16, 2008)

Fact Sheets:

• Proposed Revisions to Alaska Water Quality Criteria Manual for Toxic and Other Deleterious Organic and Inorganic Substances (PDF)
• Proposed Revisions to Alaska's Water Quality Criteria Manual for Toxic and Other Deleterious Organic and Inorganic Substances: Human Health Criteria (PDF)

Mixing Zones

• Mixing Zone Presentation Given to the Alaska Chapter of the American Fisheries Society (PDF)
• DEC - ADF&G Mixing Zone MOA (PDF)
• Mixing Zone Guidance 2-3-09 (PDF)

Miscellaneous

• Triennial Review Process for Revising Water Quality Standards (PDF)
• Water Quality Standards (July 1, 2008) (PDF)
• Natural Conditions Guidance and Tools
• 2007-2010 Three-year Work Plan for Water Quality Standards (Triennial Review)