A district court vacated TMDLs that were established by the District of Columbia for E. Coli bacteria in portions of the Anacostia and Potomac Rivers and approved by EPA in 2014. Environmental groups challenged EPA's approval, arguing the Agency failed to set true maximum daily loads of E. Coli disc...

The Oregon Supreme Court upheld the Department of Environmental Quality's issuance of a permit for the discharge of certain pollutants resulting from suction dredge mining. A mining association argued that because suction dredge mining did not add anything to navigable waters that was not already th...