The Third Circuit upheld EPA's TMDL plan for the Chesapeake Bay against challenges from farmer and home building groups. The TMDL—the largest ever developed by EPA—identifies necessary…

The Ninth Circuit granted in part and denied in part a petition challenging an NPDES permit authorizing oil and gas exploration facilities' discharge of 13 waste streams into the Beaufort Sea…

A district court dismissed environmental groups' CWA citizen suit against EPA for failing to respond in writing to their administrative petition seeking withdrawal of West Virginia's…

The Ninth Circuit upheld the Bureau of Safety and Environmental Enforcement's (BSEE's) approval of oil spill response plans for an oil company's leases in the Beaufort and Chukchi…

The D.C. Circuit held that energy companies lack standing to challenge EPA's determination that carbon dioxide (CO2) streams injected into Class VI wells for the purpose of geologic…

The Tenth Circuit held the U.S. Army Corps of Engineers did not violate NEPA, the CWA, or nationwide permit (NWP) 12 when it allowed an energy company to build a 485-mile oil pipeline from…

The D.C. Circuit held that a home builders' association lacked standing to challenge EPA's and the U.S. Army Corps of Engineers' determination that two reaches of the Santa Cruz…

A district court granted summary judgment in favor of a coal company, thereby dismissing environmental groups' CWA claim that the company violated its NPDES permit. The dispute centered on…

The Eighth Circuit held that a U.S. Army Corps of Engineers jurisdictional determination (JD) is a final agency action under the APA, thereby creating a split between the circuits. The case arose…

The Fifth Circuit reversed and remanded a lower court decision ordering EPA to determine whether new water quality standards were necessary to control nitrogen and phosphorus pollution in the…