US Army Corps of Engineers
Portland District Website

News Releases

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Tag: Willamette Valley Project
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  • April

    Corps anticipates insufficient water year

    The U.S. Army Corps of Engineers, Portland District is anticipating an insufficient water year as it refills its 13 Willamette Valley and two Rogue River Basin reservoirs for the upcoming recreation season.
  • March

    Corps considers plan to reduce Detroit Reservoir maximum pool elevation

    Portland District, U.S. Army Corps of Engineers considers a plan to reduce Detroit Reservoir’s maximum pool elevation by five feet beginning this summer to reduce the likelihood of overstressing the spillway gates during a large earthquake, which might impact boat ramp access in some years.
  • November

    Corps modifies operations to improve salmon passage at Detroit Dam

    The U.S. Army Corps of Engineers is modifying operations at Detroit Dam to improve juvenile salmon downstream passage survival by releasing water exclusively through the upper regulating outlets when downstream passage rates are high.
  • September

    Corps closes recreation areas due to Willamette Valley fires

    Due to multiple fires burning throughout the Willamette Valley, the U.S. Army Corps of Engineers, Portland District is closing all of the recreation areas it manages near its dams.
  • We … want … a shrubbery … or some volunteers to plant shrubberies

    The U.S. Army Corps of Engineers invites volunteers who aren’t afraid of the “Knights who say Ni” or shrubberies (Monty Python reference) to help it celebrate the 25th anniversary of National Public Lands Day, Saturday, Sept. 22.
  • Fern Ridge Reservoir water levels to decrease

    The Portland District, U.S. Army Corps of Engineers will increase releases from Fern Ridge Reservoir beginning Monday. Outflows from the dam will gradually increase for the next three weeks. The Corps anticipates water levels in Fern Ridge will drop to 371 feet by September 10, 370.5 feet by September 17 and 369.5 feet by September 24. This will increase flows downstream by about half a foot each week at the Long Tom River gage at Monroe. In October, the Corps will continue to adjust flows to drawdown the reservoir for winter flood-season operations.