A district court granted in part and denied in part environmental groups' motion for summary judgment relating to a proposal to permit hydraulic fracturing operations off the coast of California. The groups argued that the Bureau of Ocean Energy Management (BOEM), the Bureau of Safety and Environmen...

A district court dismissed a challenge to EPA's amendment to the 2015 Effluent Limitations Guidelines Rule, which established new limits and standards for various types of waste streams discharged by steam electric power plants. Environmental groups argued that the amendment violated the ESA and NEP...

A district court ordered EPA to issue a temperature total maximum daily load (TMDL) under the CWA for the Columbia and Snake Rivers, which are native habitat for endangered and threatened salmon and steelhead populations. An environmental group argued that the Agency failed to issue a TMDL for the r...

The D.C. Circuit denied two petitions to review EPA attainment designations for the 2010 sulfur dioxide NAAQS. An environmental group argued that the Agency should have designated Gallia County, Ohio, as a nonattainment area rather than an unclassifiable area because air quality modeling data submit...

A district court ruled in favor of fishermen's challenge to NMFS regulations regarding offshore aquaculture in federal waters of the Gulf of Mexico. The fishermen argued that the regulations were facially invalid because they fall outside the agency's authority to regulate fisheries under the Magnus...

A district court denied commercial fishing groups' request to preliminarily enjoin development of a wind energy facility off the coast of New York. The groups argued that the Bureau of Ocean Energy Management (BOEM) violated NEPA when it issued a lease to the company by improperly segmenting the ana...

The Sixth Circuit held that seepage from a coal-fired power plant adjacent to the Cumberland River did not violate the CWA. Environmental groups argued that the plant violated the CWA by leaking pollutants without a permit from its unlined coal ash ponds into groundwater that is hydrologically conne...

The Sixth Circuit held that seepage from a coal-fired power plant that reached a nearby lake violated RCRA, but not the CWA. Environmental groups argued that the chemicals being stored in coal ash ponds contaminated the surrounding groundwater, which in turn contaminated a nearby lake, in violation ...

A North Dakota district court enjoined in Iowa the 2015 Clean Water Rule, which clarifies the definition of "waters of the United States" that are protected under the CWA. The governor of Iowa sought an order from the court expressly stating that the Clean Water Rule was enjoined in Iowa following t...