The Ninth Circuit held that Maui County is liable for illegally discharging treated wastewater that seeped through groundwater into the Pacific Ocean. The County owns and operates four wells at the Lahaina Wastewater Reclamation Facility (“LWRF”), the principal municipal wastewater treatment pla...

The Ninth Circuit upheld the criminal conviction of a Montana resident for violations of the CWA. The resident was sentenced to 18 months in prison and had to pay a $130,000 fine for digging ponds and diverting a creek onto his land in Montana and the neighboring Beaverhead-Deerlodge National Forest...

A Minnesota appeals court held that the state Department of Natural Resources (DNR) erred by not obtaining a federal permit for a construction project that affected a lake's water level. Hoffman Lake and West McDonald Lake are separated by a strip of land less than 10 feet wide. In 2015, a Hoff...

A district court held that the approval of a mining project in Montana violated NEPA, the CWA, and the National Forest Management Act. A mining company submitted a plan to the Forest Service and the Montana Department of Environmental Quality (DEQ) to extract copper and silver from an ore vein that ...

The D.C. Circuit held that it lacks jurisdiction to hear a challenge to EPA's 2011 stormwater policy letters with respect to publicly owned water treatment facilities. In an 2013 decision, the Eighth Circuit vacated two EPA letters announcing new legislative rules for water treatment processes at mu...