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Clean Water Act › Water › California

The Clean Water Act is a United States federal statute enacted in 1972 to reduce levels of toxic substances in the nation's water supply and to prevent high levels of new contamination.  The CWA seeks to... more +
The Clean Water Act is a United States federal statute enacted in 1972 to reduce levels of toxic substances in the nation's water supply and to prevent high levels of new contamination.  The CWA seeks to accomplish its stated goals by preventing point and nonpoint pollution sources, assisting wastewater treatment facilities and maintaining wetlands. less -
Nossaman LLP

The AI Thirst Trap

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Artificial intelligence (AI) has the potential to transform the water industry. The need for massive amounts of water to cool AI data systems could exacerbate already strained water resources in the U.S. and worldwide. To...more

Nossaman LLP

California Water Views – 2025 Outlook

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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

Jackson Walker

U.S. Supreme Court Limits EPA’s Wastewater Permitting Authority in Major Clean Water Act Decision

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On March 4, 2025, the United States Supreme Court issued a decision in City and County of San Francisco v. Environmental Protection Agency[i], which restricted the scope of the Environmental Protection Agency’s (“EPA”)...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

Allen Matkins

California Environmental Law & Policy Update 2.7.25

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Newly-appointed U.S. Attorney General Pam Bondi wrote in a memo this Wednesday that the Justice Department will reverse a Biden-era directive to prioritize enforcement of environmental laws in disadvantaged and low-income...more

Allen Matkins

California Environmental Law & Policy Update - Special Water Supply Edition

Allen Matkins on

President Donald Trump on Monday issued a memorandum directing the Secretary of Commerce and the Secretary of the Interior to develop a new plan within 90 days “to route more water from the Sacramento-San Joaquin Delta to...more

Brownstein Hyatt Farber Schreck

Brownstein Scores Big Win in Historic Case Affecting All Water Users in California

Brownstein Hyatt Farber Schreck on

Water recycling is a high priority for California—a critical water supply in a state still burdened by massive drought—but the considerations a city or water agency must contend with in navigating decisions on water supply...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

Foley & Lardner LLP

Part One – Air, Water, California Proposition 65, and Cannabis

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Cannabis growing and processing operations face increasing regulatory pressure to assess and reduce their environmental impacts – especially in the areas of water quality, air emissions, energy use and sustainability,...more

Brownstein Hyatt Farber Schreck

Bridging Intention and Outcomes

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Panel discussion takeaways on the intersection of environmental justice, groundwater management and how to better include diverse stakeholders in natural resource issues. On March 24, 2021, the Groundwater Resources...more

Stoel Rives - Environmental Law Blog

Update: State Water Board Adopts Final Winery General Order

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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

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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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