Pennsylvania's highest court held that the $10,000/day civil penalty under the Clean Streams Law does not apply to each day that pollutants leaked from an impoundment remain in the groundwater and then leach into other waters of the Commonwealth. The case arose after the state environmental agency a...

A district court held it could not rule on the merits as to whether EPA violated the APA when it approved Ohio's 2016 impaired water list, but nevertheless remanded the case to EPA so it could approve or disapprove Ohio's incomplete CWA §303 list. Under the CWA, states must submit to EPA a list of ...

The Ninth Circuit upheld the U.S. Army Corps of Engineers' issuance of a CWA §404 permit authorizing the discharge of materials into the Santa Clara River as part of a large-scale residential, commercial, and industrial development project in Los Angeles County. The proposed project would encompass...

A district court ordered EPA to promulgate revised CAA emission standards for nine industrial sectors by October 1, 2021. Environmental groups wanted the overdue rulemakings to be completed within two years, while the Agency requested seven years. The court determined that three and a half years was...