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.

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