The Ninth Circuit held that the U.S. Bureau of Reclamation did not violate the CWA by discharging pollutants into the Klamath River without a permit in connection with its management of an…

The Ninth Circuit affirmed the dismissal of an environmental group's citizen suit against two electric companies alleging that their utility poles discharged wood preservative into the…

The U.S. Supreme Court held that stormwater runoff from logging roads that is collected by and then discharged from a system of ditches, culverts, and channels is not a point source discharge for…

The U.S. Supreme Court reversed a lower court decision holding a water district liable under the CWA for violating its municipal separate storm sewer system permit. The lower court ruled that the…