Comment Letter: U.S. EPA – Draft Drinking Water Contaminant Candidate List 6

  • Jun 3, 2026
  • Comment Letters

To: Thomas Lombardi, U.S. Environmental Protection Agency, Office of Ground Water and Drinking Water, Standards and Risk Management Division

Subject: U.S. Environmental Protection Agency: Draft Drinking Water Contaminant Candidate List 6 — Docket ID No. EPA-HQ-OW-2022-0946

Letter excerpt: 

The Association of California Water Agencies (ACWA) respectfully submits comments regarding the U.S. Environmental Protection Agency’s (EPA) draft sixth Contaminant Candidate List (CCL 6).1 ACWA supports EPA efforts to improve drinking water quality by identifying unregulated contaminants in CCL 6. ACWA urges EPA to evaluate contaminants that may warrant future regulatory consideration under the Safe Drinking Water Act (SDWA) utilizing the best available science and transparent, practical, and affordable implementation strategies.

Download Comment Letter

Suggested Resources

3 RESOURCES
Comment Letter: US EPA Revisions to Establish 6th Unregulated Contaminant Monitoring Rule for Public Water Systems

Agency: United States Environmental Protection Agency Subject: U.S. Environmental Protection Agency: Revisions To Establish the Sixth Unregulated Contaminant Monitoring Rule […]

Comment Letter: Draft State FY 2026-27 Drinking Water State Revolving Fund IUP

Agency: State Water Resources Control Board Subject: Comment Letter regarding Draft State Fiscal Year 2026-27 Drinking Water State Revolving Fund […]

Comment Letter: US EPA: Recission of Regulatory Determinations and Removal of Related Provisions for Four PFAS Substances

Agency: U.S. Environmental Protection Agency Subject: U.S. Environmental Protection Agency: Rescission of Regulatory Determinations and Removal of Related Provisions for […]