The U.S. Army Corps of Engineers, Portland District announced last week it will not perform a deep drawdown at Detroit Reservoir in the fall of 2025.
For 2025, USACE will operate Detroit Dam the same as previous years, which includes the fall reservoir drawdown and management for downstream temperature.
The National Marine Fisheries Service issued its Biological Opinionon Dec. 26, 2024. The opinion included a fall deep drawdown at Detroit Reservoir to improve passage…