The Ninth Circuit affirmed summary judgment for EPA in a challenge to a compliance order stating that landowners' property in Idaho contained wetlands subject to CWA protection and directing them to remove fill and restore the property to its natural state. The appellate court concluded that EPA rea...

A district court granted summary judgment for an environmental group in a challenge to EPA's regulations for oil spill dispersants. The group argued that EPA violated the CWA by failing to issue a final rule updating the NCP for addressing oil spills in light of new information showing the chemicals...

A district court granted EPA's motion to remand without vacatur the Clean Water Act Section 401 Certification Rule., full_html...

A district court granted partial summary judgment for environmental groups in a CWA citizen suit concerning water quality standards for mercury in Idaho. The groups argued that EPA's failure to promptly publish and promulgate mercury standards after disapproving Idaho's revision of those standards v...

A district court granted summary judgment for environmental groups in an ongoing dispute over a Hawaii county's release of pollutants into injection wells at a wastewater reclamation facility near the Pacific Ocean. The groups argued the county violated the CWA by failing to obtain an NPDES permit f...