A district court dismissed a landowner's lawsuit challenging the U.S. Army Corps of Engineers' jurisdictional determination for property that contains peat. The Corps issued its…

The Ninth Circuit affirmed a lower court decision vacating the Nevada state engineer's approval of the state wildlife agency's application to transfer water rights from agricultural land…

A California court held that the California Department of Public Health must adopt a final primary drinking water standard for hexavalent chromium. The state legislature commanded the department…

A district court dismissed a homebuilder association's lawsuit against EPA and the U.S. Army Corps of Engineers challenging their determination that portions of the Santa Cruz River are…

The Ninth Circuit reversed a lower court decision dismissing a conservation group's CWA citizen suit alleging that a scrap metal company violated California's general NPDES permit for…

A district court held that a mining company is liable under the CWA for the unpermitted discharge of selenium at one its surface mines. The company did not dispute that it has been discharging…

The Seventh Circuit upheld a dredge and fill permit issued by the U.S. Army Corps of Engineers for a highway project that crosses wetlands in Indiana. The Corps adequately considered practicable…

The Seventh Circuit upheld a lower court decision that a campground operated as a "public water system" under the SDWA. The court found that the campground had failed to conduct the…

The District of Columbia's highest court upheld the dismissal of a property owner's lawsuit against the D.C. sewer and water authority for pinhole leaks in his apartment buildings'…

The U.S. Supreme Court held that a government's demand for property from a land use permit application must satisfy the "nexus" and "rough proportionality" requirements of…