News & Analysis as of

Groundwater

Alston & Bird

The Public Weighs in on EPA, Army Corps of Engineers Proposal for Revised WOTUS Definition

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Our Environment, Land Use & Natural Resources Group dives into a proposed rule to further clarify federal jurisdiction over waters of the United States (WOTUS) following the Supreme Court’s Sackett ruling....more

Pullman & Comley, LLC

Connecticut DEEP Issues Comprehensive Guidance for Environmental Release Characterization

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Overview The Connecticut Department of Energy and Environmental Protection (DEEP) has released the "Release Characterization Guidance" (RCG), a detailed roadmap for environmental professionals tasked with investigating,...more

Wiley Rein LLP

In Coverage Dispute Over PFAS Remediation, New Jersey District Court Dismisses Bad Faith Claim

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The United States District Court for the District of New Jersey, applying New Jersey law, held that a bad faith claim against an insurer must be dismissed when it is rooted in the same conduct as the breach of contract claim,...more

Allen Matkins

California Environmental Law & Policy Update 12.12.25

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Federal wildlife officials on Monday denied listing the Western Coast Chinook salmon as threatened or endangered under the federal Endangered Species Act....more

Goldberg Segalla

New Jersey County Challenges Judicial Consent Order in Landmark PFAS Settlement

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In a recent development involving the landmark settlement between the New Jersey Department of Environmental Protection (NJDEP) and 3M, a New Jersey county has asked to be excluded from the settlement, stating it intends to...more

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

Natural Resources Damages/Spill Compensation and Control Act Enforcement: New Jersey and Seven Companies Enter Into Consent...

The New Jersey Attorney General and the New Jersey Department of Environmental Protection in the Superior Court of New Jersey entered into a Consent Judgment (“CJ”) with seven defendants pursuant to the New Jersey Spill...more

Holland & Knight LLP

The Last Wave: EPA and Army Corps Seek to Conform WOTUS Definition to Sackett

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The U.S. Environmental Protection Agency (EPA) and U.S. Army Corps of Engineers on Nov. 17, 2025, announced the release of a proposed rule revising the definition of "waters of the United States" (Proposed WOTUS Rule). The...more

Perkins Coie

Percolating Groundwater Is Appurtenant to Land and Is Transferred With It (UPDATED)

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The Court of Appeal again confirmed that the rights to floodwater captured and stored in an aquifer beneath property were not personal property but rather appurtenant to the land and were transferred with the property during...more

Wiley Rein LLP

No Coverage for Failure to Warn of TCE Contamination Plume

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The Missouri Court of Appeals, applying Missouri law, held that insurers had no duty to defend or indemnify a defense contractor in connection with a class action alleging failure to warn of groundwater contamination. Certain...more

Thompson Coburn LLP

Key Questions When Mediating Environmental Disputes

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The U.S. Environmental Protection Agency has proposed dramatic changes to environmental regulations in recent months, including its announcement, in March, of what it called the “biggest deregulatory action in U.S. history.” ...more

Troutman Pepper Locke

New Upstream Pit Permitting Rules — Energy Law Insights

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Join Troutman Pepper Locke attorneys Jerry Higdon and Case Towslee as they detail the latest waste permitting rules from the Railroad Commission, effective July 1st. This insightful discussion explores the new registration...more

Allen Matkins

California Environmental Law & Policy Update 10.31.25

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Exxon Mobil last Friday filed suit in federal court challenging two California laws that would require the oil company to report greenhouse gas emissions resulting from the use of its products globally. The 30-page complaint,...more

Allen Matkins

California Expands and Strengthens Long-Term Water Strategic Plan

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California law requires the Department of Water Resources (DWR) to create, promulgate, and update every five years the California Water Plan (Plan). The Plan is intended to provide a comprehensive strategy for the sustainable...more

Allen Matkins

Special Water Supply Edition: California Environmental Law & Policy Update 10.24.25

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The California Court of Appeal has ruled that preliminary work can begin on the Delta Conveyance Project, a controversial proposal to build a 14-mile underground tunnel to transport water from Northern California southward....more

Paul Hastings LLP

Managing Risks in Underground Works: Evolving Approaches Across Middle East Projects

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While site and ground-related risks are important considerations for all construction projects, tunnelling and underground works are inherently more complex and significantly more sensitive to these risks than above-ground...more

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

Underground Injection Control/Safe Drinking Water Act: U.S. EPA Environmental Appeals Board Addresses Challenge to Activities...

The United States Environmental Protection Agency (“EPA”) Environmental Appeals Board (“EAB”) issued a September 12th Order addressing a Petition for Review of two Underground Injection Control Permit decisions EPA Region 8...more

Tonkon Torp LLP

Environment and Natural Resources Policy Highlights from the 2025 Oregon Legislative Session

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The 2025 Oregon Legislative Session ran from January 21 to June 27 and was marked by fiscal uncertainty and systematic challenges as the Capitol community grappled with how to process a record 3,466 bills introduced. Within...more

BCLP

PFAS In Groundwater: State-by-state Regulations - September 2025

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In the absence of federal cleanup standards for per- and polyfluoroalkyl substances (“PFAS”) in groundwater, several states have started the process of regulating PFAS in groundwater themselves....more

Phelps Dunbar

Georgia Court Rules that Groundwater is a Pollutant in CGL Policies

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The U.S. District Court for the Southern District of Georgia recently confirmed that stormwater is considered a pollutant for purposes of the standard pollution exclusion contained in a Commercial General Liability (CGL)...more

Fox Rothschild LLP

A Year Later, How is PFAS Being Addressed in Phase I ESAs?

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It has now been over a year since PFOA and PFOS – two types of PFAS – were designated as hazardous substances under CERCLA, the federal Superfund law. Among the consequences of these designations was that PFOA and PFOS...more

Snell & Wilmer

EPA Grants Arizona Lead Over Underground Injection Control Program

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On September 10, 2025, the U.S. Environmental Protection Agency (EPA) announced a final rule granting Arizona primacy to administer all classes of underground injection wells under the Safe Drinking Water Act (SDWA). This...more

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

Multimedia Environmental Enforcement: Idaho Department of Environmental Quality and Elmore/Owyhee Counties Beef Feedlot Operator...

The Idaho Department of Environmental Quality and Idaho State Department of Agriculture (collectively, “IDEQ”) entered into an August 15th Draft Consent Judgment (“CJ”) with J.R. Simplot Co. and Simplot Livestock Co....more

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

Water Well Construction Committee/Arkansas Department of Agriculture September 10th Meeting Scheduled

The Arkansas Department of Agriculture announced the next Water Well Construction Committee (“Committee”) will meet on September 10th. The Committee will meet at 9:30 A.M. at the Arkansas Department of Agriculture’s Natural...more

Shipman & Goodwin LLP

Aisle Be Back…If My Floor Isn’t Forever Contaminated: PFAS in Floor Waxes and Other Products

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With new scientific information and legal developments emerging daily, concerns over per- and polyfluoroalkyl substances (PFAS) contamination have moved from future threat to present liability —including for buildings that...more

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

Safe Drinking Water Act Enforcement: Missouri Department of Natural Resources and Saint Genevieve Noncommunity Public Water System...

The Missouri Department of Natural Resources (“MDNR”) and Charleville, LLC (“Charleville”) entered into a July 14th Administrative Order on Consent (“AOC”) addressing alleged violations of the Missouri Safe Drinking Water Act...more

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