Association of California Water Agencies
03/09/2026 | Press release | Distributed by Public on 03/09/2026 17:54
Comment Letter: U.S. Environmental Protection Agency: National Primary Drinking Water Regulation for Perchlorate — Docket ID No. EPA-HQ-OW-2024-0592
To: Anne Lausier, U.S. Environmental Protection Agency, Office of Ground Water and Drinking Water, Standards and Risk Management Division
Subject: U.S. Environmental Protection Agency: National Primary Drinking Water Regulation for Perchlorate - Docket ID No. EPA-HQ-OW-2024-0592
Letter Excerpt:
The Association of California Water Agencies (ACWA) respectfully submits comments regarding the U.S. Environmental Protection Agency's (EPA) proposed rule regarding the National Primary Drinking Water Regulation (NPDWR) for perchlorate.1 ACWA supports EPA establishing a Maximum Contaminant Level (MCL) and Maximum Contaminant Level Goal (MCLG) for perchlorate to improve drinking water quality standards. ACWA urges EPA to set the perchlorate MCL and MCLG at 20 parts per billion (ppb) while utilizing all of the best available science and providing practical implementation strategies.
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