Jul 20, 2026 Comment Letters 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 […] Read More
Jul 20, 2026 Comment Letters Comment Letter: US EPA: Extending Compliance Deadline for PFOA and PFOS MCL Agency: U.S. Environmental Protection Agency Subject: U.S. Environmental Protection Agency: Extending the Compliance Deadline for the PFOA and PFOS Maximum Contaminant […] Read More
Jun 17, 2026 Comment Letters Comment Letter: Control of Lead and Copper Regulation and AB 1096 Policy Handbook Agency: State Water Resources Control Board Subject: Control of Lead and Copper Regulation and AB 1096 Policy Handbook Letter excerpt: […] Read More
May 29, 2026 Comment Letters Comment Letter: Draft Division of Drinking Water Post-Wildfire Resources Agency: State Water Resources Control Board Subject: Draft DDW Post Wildfire Resources Letter excerpt: The Association of California Water Agencies […] Read More
Apr 29, 2026 Comment Letters Joint Comment Letter: Proposed Emergency Regulations for Electronic Reporting of Drinking Water Quality Data Agency: State Water Resources Control Board Subject: Proposed Emergency Regulations for Electronic Reporting of Drinking Water Quality Data Letter excerpt: […] Read More
Mar 9, 2026 Comment Letters Comment Letter: U.S. EPA: National Primary Drinking Water Regulation for Perchlorate To: Anne Lausier, U.S. Environmental Protection Agency, Office of Ground Water and Drinking Water, Standards and Risk Management Division Subject: […] Read More
Mar 2, 2026 Comment Letters Comment Letter: U.S. EPA Fluoride in Drinking Water To: Susan Euling, U.S. Environmental Protection Agency, Office of Ground Water and Drinking Water, Drinking Water Science and Engineering Division […] Read More
Dec 29, 2025 Comment Letters Comment Letter: U.S. Environmental Protection Agency: PFAS Data Reporting and Recordkeeping Under TSCA — Docket ID No. EPA-HQ-OPPT-2020-0549 To: Megan Nelson, Office of Pollution Prevention and Toxics, U.S. Environmental Protection Agency Subject: U.S. Environmental Protection Agency: PFAS Data […] Read More
Nov 26, 2025 Comment Letters Comment Letter: Comments on OEHHA’s First Public Review Draft Proposed Public Health Goal for 1,4-Dioxane in Drinking Water Agency: Pesticide and Environmental Toxicology Branch, Office of Environmental Health Hazard Assessment, California Environmental Protection Agency Subject: Comments on OEHHA’s […] Read More