Clean Water Act

Waters in Flux: EPA and Army Corps Revise the Definition of “Waters of the United States”

On January 18, 2023, the EPA and Army Corps of Engineers (Army Corps) published a new final rule revising the definition of “waters of the United States” (the Rule) found in regulations implementing the Clean Water Act (CWA or the Act). The new Rule will become effective on March 20, 2023 (pending the outcomes of…

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Army Corps Reissues Nationwide Permits, Dividing NWP 12 Into Three

On January 13, 2021, the U.S. Army Corps of Engineers (“Corps”) published a final rule reissuing and modifying twelve existing 2017 nationwide permits (“NWPs”) and creating four new NWPs.  The rule goes into effect on March 15, 2021. Nationwide permits provide a streamlined process for the Corps to authorize activities under Section 404 of the…

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Court Narrows Scope of NWP 12 Ruling; Corps Appeals to Ninth Circuit

Last month, we wrote about a recent decision from the US District Court for the District of Montana vacating Nationwide Permit (“NWP”) 12, the general permit issued by the Army Corps of Engineers (“Corps”) for pipelines and other utility projects. On May 11, the court narrowed the scope of the decision, vacating and enjoining the…

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EPA and Army Corps of Engineers Publish Final “Waters of the United States” Rule

On April 21, 2020, the Environmental Protection Agency and the U.S. Army Corps of Engineers (together, the “Agencies”) published a final rule in the Federal Register redefining the term “waters of the United States” (“WOTUS”) under the Clean Water Act (“CWA”).  The Agencies previously issued pre-publication notice of the final rule on January 23, 2020. …

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Nationwide Permit for Pipelines and Utility Projects Vacated on ESA Grounds

On April 15, 2020, the United States District Court for the District of Montana issued a decision in Northern Plains Resource Council v. U.S. Army Corps of Engineers, vacating Nationwide Permit (“NWP”) 12, a general permit issued by the Army Corps of Engineers (“Corps”) for pipelines and other utility projects. The case was brought, in…

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EPA Releases Enforcement Discretion Guidance in Response to COVID-19

These days, it seems as though COVID-19 is leaving no aspect of government untouched, and federal environmental regulation is no exception. The U.S. Environmental Protection Agency (EPA) issued a memorandum on Thursday, March 26th outlining “COVID-19 Implications for EPA’s Enforcement and Compliance Assurance Program.” This temporary guidance explains how EPA plans to exercise enforcement discretion…

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