18 AAC 70 (Water Quality Standards)
The Public Comment period for this regulation is open from August 15, 2025 through October 24, 2025.
Copper PBA Public Hearing and Public Notice
- Monday, October 6, 4 p.m. to 6 p.m.
- Meeting ID: 273 487 791 824 8
- Passcode: qG7Ft9xm
- Join meeting
- Dial in by phone: +1 907-202-7104, 961253005#
This public meeting will include a presentation on the proposed amendments beginning at 4 p.m., followed by a public hearing for verbal comments.
Amendments to 18 AAC 70 to Adopt a Performance-Based Approach for the Development of Site-Specific Criteria Using the Biotic Ligand Model for Copper
Documents and Links
- Online Public Notice
- Technical Support Document
- Implementation of the Biotic Ligand Model for Derivation of Freshwater Aquatic Life Criteria for Copper
- 18 AAC 70 Draft Amendments, public comment version
- Draft Toxics Manual Amendments
- Additional Regulations Notice
- Copper performance-based approach (PBA) FAQ