November 25, 2019
The Army Corps of Engineers agreed Friday to an environmental group's demand that it apply for a Clean Water Act permit for its use of oils and lubricants at a dam on the Columbia River in Washington state, adding that it would research greener alternatives.
April 16, 2019
Environmental group Columbia Riverkeeper has filed suit against the U.S. Army Corps of Engineers, accusing it of violating the Clean Water Act by allowing the oils and lubricants it uses to keep a Washington dam operating to contaminate the Columbia River.