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California › Clean Water Act › Water Quality

Allen Matkins

Beyond Sackett: California’s Expanding Role in Wetlands Permitting and the Future of “Waters of the State”

Allen Matkins on

California’s regulatory authority over “waters of the state” continues to grow even as the federal definition of “Waters of the United States” (WOTUS) narrows under shifting legal and regulatory frameworks. In Sackett v. EPA...more

Nossaman LLP

California Water Views – 2025 Outlook

Nossaman LLP on

Water is simple. Water issues are complex. To provide more clarity, we asked our attorneys who are committed to the water sector to identify the pivotal issues they’re watching now and for the year ahead. Their perspectives...more

Troutman Pepper Locke

Citizen Suits and Larger Penalties May Be the Future of California Water Quality Protections

Troutman Pepper Locke on

The California legislature continues to advance Senate Bill 601 (SB 601), the “Right to Clean Water Act,” which aims to safeguard protections for California’s streams and wetlands that lost federal protection under the Clean...more

Kelley Drye & Warren LLP

Supreme Court Strikes Down ​“End-Result” Requirements in NPDES Permits

Kelley Drye & Warren LLP on

On March 4, 2025, the U.S. Supreme Court issued a ruling that prohibits the U.S. Environmental Protection Agency (“EPA” or ​“the Agency”) from setting qualitative limits based on the condition of the ​“receiving waters” that...more

Mitchell, Williams, Selig, Gates & Woodyard,...

Generic Prohibitions/NPDES Permits/Water Quality Standards: United States Supreme Court Decides City/County of San Francisco v....

Mitchell, Williams, Selig, Gates & Woodyard,... on

The Supreme Court of the United States (“Court”) issued an Opinion on March 4th in the case styled: City and County of San Francisco, California v. Environmental Protection Agency. See No. 23-753....more

Tonkon Torp LLP

U.S. Supreme Court Ruling Will Make it Easier to Comply with NPDES Permits

Tonkon Torp LLP on

On March 4, 2025 the Supreme Court overturned the 9th Circuit to rule in favor of the City of San Francisco in a landmark Clean Water Act case. The EPA authorizes states to issue National Pollutant Discharge Elimination...more

Perkins Coie

Ninth Circuit Holds Terms of Management Agency Agreement Governing Non-Point Source Pollution on Federal Lands Supersedes Other...

Perkins Coie on

Forest Service livestock grazing permits do not run afoul of state water quality permitting requirements because the Management Agency Agreement (MAA) between the agency and the State Water Resources Control Board, which...more

Stoel Rives - Environmental Law Blog

Update: State Water Board Adopts Final Winery General Order

Stoel Rives - Environmental Law Blog on

At its January 20, 2021 Board meeting, the State Water Resources Control Board (“SWRCB” or “Board”) adopted its final General Waste Discharge Requirements (“WDRs”) for Winery Process Water (“Winery Order”) and associated...more

Mitchell, Williams, Selig, Gates & Woodyard,...

Microplastics/Drinking Water: California State Water Resources Control Board Proposes to Adopt Definition

Mitchell, Williams, Selig, Gates & Woodyard,... on

The California State Water Resources Control Board (“Board”) is proposing to adopt a definition for microplastics. The definition would be applicable to the Board’s drinking water program....more

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