The Dalles Dam fish ladder

The Dalles Dam fish ladder.

Columbia Riverkeeper resurrected a lawsuit against the U.S. Army Corps of Engineers that was settled more than seven years ago, noting that the National Pollutant Discharge Elimination System permits that the Corps agreed to apply for still have not been issued for the four lower Columbia River dams.

Filed Dec. 8 in U.S. District Court for the Eastern District of Washington, Columbia Riverkeeper v. U.S. Army Corps of Engineers et al. [21-5152] asks the court to issue an injunction preventing the Corps from discharging pollutants until authorized by NPDES permits, and requiring them to take actions to evaluate and remediate any environmental harm caused by violations.

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K.C. Mehaffey covers fish issues for Clearing Up, and is editor of the NW Fishletter. She joined the NewsData writing team in February 2018. From lawsuits to scientific studies, she is enjoying the deep dive into the Columbia Basin's many fish topics.