A district court denied mine owners' motion to dismiss a lawsuit alleging they were in violation of their NPDES permit. A conservation group and the state of Washington argued that the owners had violated the terms of their permit by discharging pollutants in excess of average monthly effluent limit...

A district court dismissed a challenge to FWS' designation of critical habitat for the New Mexico meadow jumping mouse. Southwestern ranchers argued that the Service underestimated the designation's economic impacts by not considering costs beyond the designation itself, in violation of the ESA. The...

A district court remanded to NMFS for a third time in a decades-long lawsuit concerning the Service's incidental take statement (ITS) assessing the impact of dredge fishing on loggerhead sea turtles in the Atlantic. A conservation group argued that the Service's revised ITS responding to the court's...

A district court vacated EPA's 2019 determination that found no jurisdictional waters under the CWA at a salt production complex bordering the southwestern San Francisco Bay. The Agency argued that the CWA did not apply to the complex because it was converted to salt ponds prior to the Act's passage...