Water

A district court vacated and remanded EPA's and the Army Corps of Engineers' Navigable Waters Protection Rule, which established a new definition of "waters of the United States…

A Minnesota appellate court affirmed the Minnesota Pollution Control Agency's (MPCA's) decision to issue a CWA §401 certification for the Line 3 crude oil pipeline replacement project.…

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…

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…

The Ninth Circuit affirmed summary judgment for the Army Corps of Engineers in a challenge to the Corps' proposed plans for dredging the San Francisco Bay's navigation channels. The San…

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…

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…

The Wisconsin Supreme Court held, 4-2, that the Wisconsin Department of Natural Resources (WDNR) had the explicit authority to impose an animal unit maximum condition and an off-site groundwater…

The First Circuit vacated a district court order staying a CWA and RCRA citizen suit brought against an oil company. An environmental group argued, among other things, that the company had…