A district court dismissed a challenge to EPA's amendment to the 2015 Effluent Limitations Guidelines Rule, which established new limits and standards for various types of waste streams discharged by steam electric power plants. Environmental groups argued that the amendment violated the ESA and NEP...

A district court ordered EPA to issue a temperature total maximum daily load (TMDL) under the CWA for the Columbia and Snake Rivers, which are native habitat for endangered and threatened salmon and steelhead populations. An environmental group argued that the Agency failed to issue a TMDL for the r...