28 Jun 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.

11 Apr 2023

23-027 Dworshak Dam releases to begin increasing Thursday evening

AHSAHKA, Idaho – Dworshak Dam is currently releasing 5,100 cubic feet per second. Flows will begin increasing on the evening of Thursday April 13 to be in the approximate range of 7,000 cfs. On the evening of Sunday April 16, flows will increase for a two-day period to be in the approximate range of 9,000 to 10,000 cfs.

24 Feb 2023

23-012 Water levels in Lower Granite reservoir return to full operating range in the wake of dredging operations

Lewiston, Idaho – Water levels in the Lower Granite reservoir may fluctuate more than in recent years, now that dredging operations at the confluence of the Snake and Clearwater rivers have completed.

30 Jun 2022

22-050 Corps encourages safety this 4th of July weekend

WALLA WALLA, Wash. -- As the nation's largest federal provider of water-based recreation, the U.S. Army Corps of Engineers stresses water safety and urges extra caution while in or around water during the upcoming Independence Day holiday.