News & Analysis as of

State Water Boards PFAS

Best Best & Krieger LLP

California State Water Resources Control Board Issues New and Revised PFAS Advisory Levels

On October 29, 2025, the California State Water Resources Control Board’s Division of Drinking Water (State Water Board) issued new and revised notification levels and/or response levels for four per- and poly- fluoroalkyl...more

Nossaman LLP

California Water Views - 2024 Outlook

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Water Agencies Beware Before Proceeding with Forced Municipalization - California’s state water system serves roughly 40 million people and irrigates nearly 10 million acres of farmland. The 2023 water year was ranked as...more

Allen Matkins

California Environmental Law & Policy Update - 2.17.23 #3

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Facing an onslaught of criticism that water was “wasted” during January storms, Governor Gavin Newsom on Monday issued an executive order authorizing the State Water Resources Control Board (SWRCB) to “consider modifying”...more

Downey Brand LLP

California Steps Up Its Investigations and Permitting of PFAS

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The State Water Resources Control Board (State Water Board) recently updated the regulated community and the public on the Board’s statewide investigation to study and sample potential sources of per- and polyfluoroalkyl...more

Allen Matkins

California Environmental Law & Policy Update - September 2021 #2

Allen Matkins on

EPA to propose first-ever PFAS discharge limits - The Hill – September 8 - The U.S. Environmental Protection Agency (EPA) announced on Wednesday that it will propose a rule to set the first-ever limits on the...more

Fox Rothschild LLP

California Requires PFAS Investigation At Refineries And Terminals Statewide

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The California State Water Resources Control Board (“State Water Board”) has issued an Order to approximately 160 bulk fuel storage terminals and refineries in California requiring implementation of a PFAS site investigation....more

Downey Brand LLP

Latest California State Water Board Investigative Order for PFAS Targets Bulk Fuel Storage Terminals and Refineries

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Last week, the California State Water Resources Control Board (State Water Board) officially released an order (the Order) to investigate and sample for per- and polyfluoroalkyl substances (PFAS) at over 160 bulk fuel storage...more

Downey Brand LLP

State Water Board Issues Notification and Response Levels for PFBS in Drinking Water; DTSC to Finalize Carpets and Rugs with PFAS...

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There has been no shortage of recent regulatory developments concerning per- and polyfluoroalkyl substances (PFAS) in California, which are especially relevant to drinking water systems and the consumer product community. ...more

Downey Brand LLP

California PFAS Push Now Includes POTWs as State Water Board Rolls Out New Testing Order

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On July 9, 2020, the California State Water Resources Control Board (State Water Board) issued an investigative order (the Order) to sample for per- and polyfluoroalkyl substances (PFAS) at more than 250 publicly owned...more

Farella Braun + Martel LLP

Key PFAS Regulatory Standards Set in California

In support of California’s efforts to investigate and evaluate the presence of per- and polyfluoroalkyl substances (PFAS) in the environment, the San Francisco Bay Regional Water Quality Control Board (Regional Board) has...more

Holland & Knight LLP

San Francisco Bay Region Issues Risk-Based Screening Levels for PFAS at Cleanup Sites

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California continues to develop tools for evaluating per- and polfluoroalkyl substances (PFAS) at cleanup sites. In May 2020, the San Francisco Bay Regional Water Quality Control Board issued an "Interim Final Environmental...more

Farella Braun + Martel LLP

New Screening Levels for Key PFAS Chemicals Will Spur Regulatory Action at Contaminated Sites

In support of the State Water Resources Control Board’s (State Board) efforts to investigate and evaluate the public health effects of per- and polyfluoroalkyl substances (PFAS), the San Francisco Regional Water Quality...more

Nossaman LLP

State Water Board Imposes Stricter Response Levels for PFOA and PFOS

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On February 6, 2020, the California State Water Resources Control Board lowered the response levels (RLs) for perflourooctanoic acid (PFOA) and perfluorooctanesulfonic acid (PFOS), two of the most common compounds in the...more

Downey Brand LLP

New Legislation Gives the California State Water Resources Control Board Expanded Authority to Order Testing for PFAS

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The State Water Resources Control Board (State Water Board) will have new, expansive authority to order public water systems to monitor for per- and polyfluoroalkyl substances (PFAS) under a new law, commonly referred to as...more

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