West Coast dam pollution targeted In lawsuit

摘要

Salmon threat: An environmental watchdog group is accusing the U.S. Army Corps of Engineers of violating water quality rules in its operation of four dams.A Columbia Riverkeeper lawsuit alleges the agency's dams in Oregon and Washington are damaging the Columbia and Lower Snake rivers with "hot water, oil, and toxic chemicals."Filed in federal court on Dec. 8, the lawsuit says rising temperatm-es tlireaten aquatic life, killing "thousands of migi-ating sockeye salmon headed to the mid-Columbia and Lower Snake rivers" in 2015.dams also release "oils and greases" and harmful chemicals, according to the lawsuit.