A district court granted in part and denied in part summary judgment for environmental groups in a CWA/SMCRA citizen suit concerning the discharge of pollutants from surface coal mines in West Virginia. The groups argued a coal mining company violated the CWA by discharging mining pollutants at Rush...

A district court denied in part and dismissed in part two nonprofit groups' challenge to DOE's approval of a freshwater offshore wind project in Lake Erie. The groups argued DOE violated NEPA by failing to prepare an EIS and failing to take a "hard look" at reasonable alternatives and cumulative imp...

The Second Circuit affirmed a district court order remanding to state court a climate liability lawsuit against an oil and gas company. The state of Connecticut initially sued the company in state court, alleging it engaged in a decades-long campaign of knowingly misleading and deceiving Connecticut...

The Fifth Circuit denied environmental groups' petition to review the Army Corps of Engineers' issuance of a CWA permit for a proposed liquefied natural gas production and export terminal on the Calcasieu River in Louisiana. The groups argued the Corps failed to adequately consider a particular alte...

A district court granted in part summary judgment for an environmental group in a challenge to EPA's issuance of recommended water quality criteria for cadmium in 2016. The group argued EPA violated the ESA by failing to consult with expert agencies before issuing the recommended criteria. The Agenc...

A state court held unconstitutional a provision of the Montana Environmental Policy Act that prohibited state agencies from considering the impacts of greenhouse gas (GHG) emissions on climate change in environmental reviews. A group of youths challenged the prohibition, arguing it was causing or co...

The D.C. Circuit dismissed five states' petition to review EPA's extension of a compliance deadline for a revised national drinking water regulation, which in turn extended the deadline for states to enforce conforming regulations to their own. The states argued the extension would cause their resid...

The Minnesota Supreme Court affirmed in part and reversed in part an appellate court ruling in a challenge to the Minnesota Pollution Control Agency's (MPCA's) decision to issue an NPDES permit for a proposed mine and processing plant to extract copper, nickel, and precious metals in northeastern Mi...

The Ninth Circuit, 2-1, denied the city of San Francisco's challenge to an EPA order denying review of the city's NPDES permit for a combined sewer system and wastewater treatment facility. The city argued EPA violated the CWA by including in the permit two general narrative prohibitions on discharg...

A district court granted EPA's and the Army Corps of Engineers' motion to stay Texas' and Idaho's challenge to the Biden Administration's 2023 rule revising the definition of "waters of the United States" under the CWA. The court stayed the suit until publication in the Federal Register of the agenc...