PFAS National Primary Drinking Water Regulation Rulemaking May 30, 2023 Comment Letters Agency: U.S. Environmental Protection Agency Subject: PFAS National Primary Drinking Water Regulation Rulemaking; EPA–HQ–OW–2022–0114; FRL 8543–01– OW Letter excerpt: The Association of California Water Agencies (ACWA) appreciates the opportunity to provide comments on the Environmental Protection Agency’s (EPA) proposed PFAS National Primary Drinking Water Regulation (NPDWR). ACWA’s more than 460 public water agency members supply over 90 percent of the water delivered in California for residential, agricultural, and business uses. ACWA strongly supports drinking water standards for PFAS that are based on sound science and robust analysis. Download Comment Letter