The D.C. Circuit remanded a Minerals Management Service (MMS) order obligating an oil and gas company to plug permanently and to abandon its oil wells off the coast of California. The company…

A district court held that BP and Anadarko Petroleum are responsible parties under OPA for pollution stemming from the Deepwater Horizon disaster and subject to civil penalties under the CWA, but…

A district court held that EPA violated the CWA when it failed to review Oregon's nonpoint source rules. The nonpoint source provisions create exemptions for many sources of pollution in…

A district court upheld EPA's rule setting numeric nutrient criteria for Florida except in two respects: the stream criteria and the default downstream-protection criteria for unimpaired…

The Federal Circuit affirmed a lower court decision dismissing a landowner's claim for just compensation under the Fifth Amendment for an alleged taking based on the U.S. Army Corps of…

The U.S. Supreme Court held that the Outer Continental Shelf Lands Act (OCSLA) extends workers compensation coverage to an employee who can establish a substantial nexus between his injury and…

A New York trial court held that the state environmental agency's general permit for stormwater discharges from municipal separate storm sewer systems (MS4) violates the CWA and state law.…

A district court held that a mining company is liable for discharging arsenic and iron into a nearby creek in violation of its NPDES permit. The company did not deny or admit that it is in…

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The Supreme Court of Washington held that state law does not limit the amount of water that can be withdrawn from groundwater for livestock-watering purposes. Local farmers and environmentalists…