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Clean Water Act › Water › Environmental Policies

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 -
Clark Hill PLC

[Webinar] PFAS Primer for the Public Sector - July 16th, 11:00 am PT

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Addressing PFAS continues to challenge local government, water providers, and wastewater providers, particularly in a rapidly changing regulatory environment. Regulatory initiatives will have costly and widespread impacts on...more

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

Jenner & Block

Earth Day 2025—Our Power, Our Planet

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We look forward to Earth Day 2025 today, the Corporate Environmental Lawyer is once again kicking off its weekly series of blogs which focus on this year’s Earth Day theme — “Our Power, Our Planet”. This year marks the 55th...more

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

Association of Clean Water Administrators: FY 2025 Congressional Funding Chart Update

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The Association of Clean Water Administrators (“ACWA”) issued an FY 2025 Funding Chart Update (“Update”). The Update is stated to reflect the: …FY 2025 “Full-Year Continuing Appropriations and Extensions Act, 2025”...more

Stoel Rives - Environmental Law Blog

SCOTUS Strikes Down “End-Result” Limitations in NPDES Permits

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Whether issued by an authorized State or the Environmental Protection Agency (“EPA”), a National Pollutant Discharge Elimination System (“NPDES”) permit issued under the Clean Water Act allows a permittee to discharge...more

King & Spalding

Supreme Court Rules EPA’s Wastewater Discharge Permits May Not Include “End-Result” Provisions

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In an important environmental decision, the Supreme Court narrowed the range of discharge limitations under the Clean Water Act (“CWA”) for wastewater discharges. On March 4, 2025, the U.S. Supreme Court held the CWA does not...more

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

America Builds/Clean Water Act Permitting/Project Delivery/ U.S. House of Representatives Subcommittee on Water Resources and...

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The Subcommittee on Water Resources and Environment of the United States House of Representatives Committee on Transportation and Infrastructure held a February 11th hearing titled: America Builds: Clean Water Act...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

Lippes Mathias LLP

EPA Withdraws Proposed Rule to Implement Federal Water Quality Standards on Tribal Lands

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On January 10, 2025, the U.S. Environmental Protection Agency (EPA) announced the withdrawal of a proposed rule (the “Proposed Rule”) it had promulgated on May 5, 2023, which would have established federal Clean Water Act...more

Allen Matkins

California Environmental Law & Policy Update - Special Water Supply Edition

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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

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America's Most Endangered Rivers: American Rivers 2024 Analysis

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The organization American Rivers has issued its annual list of what it describes as “America’s Most Endangered Rivers”. The organization, American Rivers, describes itself as: ...championing a national effort to...more

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Water Affordability Needs Assessment: U.S. Environmental Protection Agency Issues Report to Congress

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The United States Environmental Protection Agency (“EPA”) has announced the issuance of a December 17, 2024 report titled: Water Affordability Needs Assessment: Report to Congress (“Report”)....more

Farella Braun + Martel LLP

EPA Announces Draft Human Health Criteria for Three PFAS in Waterbodies

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On December 19, 2024, EPA announced draft national recommended human health criteria (HHC) for three PFAS in waterbodies: perfluorooctanoic acid (PFOA), perfluorooctane sulfonic acid (PFOS), and perfluorobutane sulfonic acid...more

Troutman Pepper Locke

FERC Issues Notice of Proposed Rulemaking to Conform to EPA’s Recent CWA § 401 Rule

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At its May 23, 2024 open meeting, the Federal Energy Regulatory Commission (“FERC”) issued a Notice of Proposed Rulemaking (“NOPR”) proposing to establish a one-year “reasonable period of time” for certifying authorities to...more

Troutman Pepper Locke

FERC Issues Notice of Proposed Rulemaking to Conform to EPA’s Recent CWA 401 Rule

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At its May 23 open meeting, the Federal Energy Regulatory Commission (FERC) issued a Notice of Proposed Rulemaking (NOPR), proposing to establish a one-year “reasonable period of time” for certifying authorities to act on...more

Stinson LLP

EPA Publishes Clean Water Act "Worst-Case" Spill Rule

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On March 28, the U.S. Environmental Protection Agency (EPA) published its Final Rule: Clean Water Act Hazardous Substance Facility Response Plans (Final Rule) requiring facilities that handle hazardous substances to create...more

Oberheiden P.C.

The Ultimate Guide to Clean Water Act Compliance in 2024 (and Beyond)

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Companies that produce and discharge pollutants are subject to U.S. Environmental Protection Agency (EPA) oversight under the Clean Water Act. The EPA routinely conducts inspections focused on federal laws like Oil Pollution...more

Brownstein Hyatt Farber Schreck

Tenth Circuit Weighs In on Maui’s “Functional Equivalent” Test

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The Tenth Circuit became the second federal appellate court—after the Ninth Circuit—to analyze how federal district courts should evaluate whether a discharge of pollutants to groundwater is the “functional equivalent” of a...more

Nossaman LLP

EPA’s Final Clean Water Act 401 Rule, Reinstating 1971 Approach, Already Under Fire

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On September 27, 2023, the U.S. Environmental Protection Agency (EPA) published its final rule to implement Clean Water Act (CWA) section 401 water quality certifications (2023 Rule). The 2023 Rule became effective on...more

Downey Brand LLP

USEPA’s New Clean Water Act Section 401 Water Quality Certification Rule Becomes Effective November 27, 2023

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On September 27, 2023, the United States Environmental Protection Agency (USEPA) published its final 2023 Clean Water Act (“CWA”) Section 401 Water Quality Certification Improvement Rule (2023 Rule), which goes into effect on...more

Troutman Pepper Locke

EPA Withdraws Cybersecurity Rule for Public Water Systems

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The U.S. Environmental Protection Agency (EPA) has formally withdrawn cybersecurity rules it promulgated in March requiring that states report cybersecurity threats to their public water systems (PWS). The reversal comes in...more

Williams Mullen

EPA Expands Conditions for 401 Water Quality Certifications

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The Clean Water Act (CWA) section 401 Water Quality Certification (401 WQC) is a big deal. The certification is required for all direct discharge permits and CWA section 404 Permits to dredge or fill waters of the United...more

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Recreational Water Quality Criteria/Clean Water Act: U.S. Environmental Protection Agency Releases Second Five-Year Report

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The United States Environmental Protection Agency (“EPA”) issued a May 2023 document titled: Report on the Second Five-Year Review of EPA’s Recreational Water Quality Criteria (“Report”) EPA states that the Report constitutes...more

Troutman Pepper Locke

Another EPA Proposal to Overhaul the Water Quality Standards Program

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EPA has proposed to establish “baseline” water quality standards that would apply to all Indian reservation waters where the tribe has not received “treatment as a state” (TAS) authority, the state does not have authority,...more

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