A state court reversed the Maryland Department of the Environment's (MDE's) decision to reissue an NPDES general permit for animal feeding operations without limitations on the discharge of gaseous ammonia. An environmental group argued the permit was deficient under both the CWA and state law becau...

The Fifth Circuit denied a petition to review FWS' issuance of a biological opinion (BiOp) and incidental take statement (ITS) authorizing the harm or harassment of endangered ocelot or jaguarundi in connection with construction and operation of a liquefied natural gas pipeline in South Texas. Envir...

The Fourth Circuit granted a pipeline company's petition to review the North Carolina Department of Environmental Quality's (NCDEQ's) denial of a CWA §401 certification for construction of a natural gas pipeline. The company argued the denial was arbitrary and capricious because NCDEQ did not compl...

The Tenth Circuit reversed and vacated a district court order preliminarily enjoining EPA and the Army Corps of Engineers from implementing the 2020 Navigable Waters Protection Rule (NWPR) in Colorado. Colorado argued the agencies violated the APA because the NWPR was not in accordance with the law,...