The South Carolina Supreme Court reversed a lower court decision dismissing a group's declaratory judgment action against a developer for filling isolated wetlands on its property without a permit. The lower court, relying on the U.S. Supreme Court's decision in Solid Waste Agency of Northern Coo...

A California appellate court reversed a lower court decision certifying residents' class action lawsuit against the state wildlife agency in connection with efforts to eradicate an invasive species of fish, the northern pike, from a lake and its tributaries. The residents argued that the agency's ef...

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 held that NOAA Fisheries' 2008/2010 biological opinion (BiOp) for the Federal Columbia River Power System is arbitrary and capricious under the ESA. In the BiOp it issued to the U.S. Army Corps of Engineers and the U.S. Bureau of Reclamation, NOAA Fisheries concluded that the op...

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 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...

The D.C. Circuit held that a single sighting of a protected species is insufficient to render a property "occupied" for purposes of designating critical habitat under the ESA. In 2007, the FWS designated 143 acres of plaintiffs' property as critical habitat for the San Diego fairy shrimp under the E...

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 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...

A district court held that insurers have no duty to defend or indemnify a city in over two dozen underlying lawsuits alleging that the city delivered contaminated tap water to its residents. The insurance policies at issue contain pollution exclusion clauses. Under Illinois law, a pollution exclusio...