A state appellate court upheld the Oregon Fish and Wildlife Commission's 2015 decision to remove the gray wolf from the list of species protected under the Oregon Endangered Species Act (OESA). Environmental groups argued the Commission's conclusion that the wolf species was no longer endangered was...

A state court preliminarily enjoined the New Hampshire Department of Environmental Services (DES) from enforcing new rules that tightened allowable limits of per- and polyfluoroalkyl substances (PFAS) in the state's drinking water and groundwater. A chemical manufacturing company argued that DES vio...

A district court held that environmental groups lacked standing in their challenge to EPA's exclusion of certain waste treatment systems from the definition of navigable waters under the CWA. The groups argued that they had representational standing to challenge the exclusion, relying on declaration...

A district court upheld EPA's interpretation that the CWA does not regulate discharges into groundwater that is hydrologically connected to navigable waters in a lawsuit concerning a wastewater treatment facility on Cape Cod. An environmental group argued that the facility was discharging pollutants...