A district court held that EPA's approval of a sediments and total suspended solids (TSS) TMDL for the Anacostia River in Maryland and Washington, D.C., was arbitrary and capricious. When developing a TMDL for a particular pollutant, the CWA and its implementing regulations require the state—in de...

A district court upheld the constitutionality of an appropriations rider that reinstated an FWS rule that removed ESA protections for the Northern Rocky Mountain gray wolf in all areas outside of Wyoming. The court previously held that the rule violated the ESA because it protected a listed species ...

The Ninth Circuit held that a reserve program for raisins authorized by the Agricultural Marketing Agreement Act of 1937 does not constitute a taking in violation of the U.S. Constitution. The USDA imposed civil penalties against two raisin farmers for failing to comply with various requirements...

A district court held that environmental groups lack standing to challenge BLM's approval of two quarterly oil and gas lease sales under the APA, NEPA, FLPMA, and the Mineral Leasing Act. The groups claimed that BLM failed to meaningfully address the issue of climate change in approving the leases, ...

The D.C. Circuit denied trade associations' petition for review of a nationwide permit issued by EPA for the discharge of pollutants incidental to the normal operation of vessels. The associations, which represent commercial ship owners and operators, raised a number of procedural challenges, al...

A Washington appellate court affirmed a lower court decision holding the state transportation agency liable to two utilities for contribution costs incurred at the Thea Foss Waterway, a Superfund site, under the state's Model Toxics Control Act (MTCA). The agency argued that the lower court erred in...

The Ninth Circuit held that environmental groups may intervene in a citizen suit against the U.S. Forest Service concerning restricted motorized and mechanized vehicle use in a section of the Gallatin National Forest. In the underlying action, the citizens group argued that the Forest Service's plan...

The Federal Circuit held that the U.S. Army Corps of Engineers' temporary deviations from the water release rates set forth in an operating plan for the Clearwater Dam that caused increased flooding in Arkansas' Dave Donaldson Black River Wildlife Management Area, which in turn caused excess...

The Ninth Circuit upheld EPA's determination that a California SIP that imposes limits on motor vehicle emissions for years 2009 and 2012 are adequate for purposes of the state's transportation plans and projects. Although EPA’s overall approval process of the SIP is still underway, th...

The Ninth Circuit held that ESA §§7 and 9, as applied to the California delta smelt, do not violate the Commerce Clause. In 2008, the FWS issued a biological opinion (BiOp) to the Bureau of Reclamation concerning two federal and state water diversion projects in California's Central Valley...