Archive: 2023
  • 23-037 Corps to treat Lake Wallula to control invasive flowering rush

    WALLA WALLA, WA– The U.S. Army Corps of Engineers Walla Walla District will be performing up to five five-acre treatments in Lake Wallula, the McNary reservoir near the Tri-Cities, Washington, with herbicide, Diquat Dibromide, at an application rate of two gallons per surface acre. This effort is to control the invasive aquatic plant species flowering rush.
  • 23-036 Dworshak dam increasing releases on Friday to balance full pool

    AHSAHKA, Idaho – Releases from Dworshak Dam will increase to match inflow into the reservoir. This operation is intended to maintain the reservoir at its full pool.
  • Trail from Southway Bridge to Riverside Drive will be closed until further notice

    Clarkston, Wash. – The Lower Granite Natural Resource Management Office has closed the trail from the southside of the Southway Bridge down to Riverside Drive until further notice due to heavy rainfall undercutting the trail.
  • Wawawai Landing Boat Ramp Closed for Repair Work

    Clarkston, Wash – The Lower Granite Natural Resource Management office has closed the boat ramp at Wawawai Landing until further notice to assess the ramp’s condition and perform needed repairs.
  • Dworshak celebrates the 50th anniversary by offering powerhouse tours

    Ahsahka, Idaho – Don’t miss your chance to see the inner workings of Dworshak Dam and the Powerhouse. In honor of our 50th Anniversary, we will be offering powerhouse tours three times a day on Saturdays from June 17– July 29 (excluding July 1).
  • 23-032 Dworshak Dam releases to decrease to minimum flow this weekend

    AHSAHKA, Idaho – Dworshak Dam is currently releasing 2,300 cubic feet per second (cfs). Flows will begin decreasing on the evening of Saturday, May 27 to be in the approximate range of 1,400-1,600 cfs. Operations to decrease discharge to minimum flow at Dworshak will occur simultaneously with decreasing natural flows and are expected to result in the Clearwater River near Peck decreasing by less than a foot.
  • 23-031 Corps to begin refilling Bennington Lake for upcoming recreation season

    WALLA WALLA, Wash. – U.S. Army Corps of Engineers (USACE), Walla Walla District will begin diverting water from Mill Creek to Bennington Lake today, May 10, in preparation for the upcoming recreation season.
  • 23-030 Ribbon cutting planned for Clover Island Improvement Project

    KENNEWICK, Wash. - The Community is invited on Friday, May 12, to join the U.S. Army Corps of Engineers, Walla Walla District, and its partners, the Port of Kennewick, Confederated Tribes of the Umatilla Indian Reservation, City of Kennewick, Benton County, and Washington State Recreation & Conservation Office in celebrating the completion of the Clover Island Improvement Project. Festivities include a ribbon cutting, a public reception at the lighthouse plaza and scenic overlooks. Participants should RSVP to the port office.
  • 23-029 Boise River flows to increase April 20

    BOISE, Idaho -- The U.S. Army Corps of Engineers and the Bureau of Reclamation will continue to increase Boise River flows through the City of Boise on April 20. These releases will help reduce the risk of flooding during periods of high snow runoff anticipated later this spring. Officials encourage the public to be aware of risks associated with increased Boise River flows. The water is deep, cold and fast. Individuals should use extreme caution near the riverbanks.
  • 23-028 High Malheur River flows anticipated this spring

    Vale, Oregon -- The U.S. Army Corps of Engineers and the Bureau of Reclamation want the public to be aware that higher than normal water levels are anticipated in the Malheur River this spring.