9 May 2024

USACE awards Mill Creek Low Flow Project contract: construction to begin this summer

WALLA WALLA, Wash. – On May 3, the U.S. Army Corps of Engineers, Walla Walla District awarded a $5.6 million construction contract to Advancia Remediation Services, LLC to improve habitat conditions for endangered salmonids in the Mill Creek channel.

4 Jun 2021

21-032 Dworshak Dam continues to refill as flow augmentation season approaches

AHSAHKA, Idaho –Dworshak Dam releases will remain at 1,600 cubic feet per second (cfs) as the reservoir continues to refill throughout the month. This operation is intended to capture as much water as possible before the start of flow augmentation.

31 Mar 2021

21-015 McNary Lock and Dam to resume use of laser, test acoustic device to deter birds and protect salmon

UMATILLA, Ore. – The US Army Corps of Engineers, Walla Walla District will resume use of bird deterring lasers, and will be testing a Long Range Acoustic Device (LRAD) to prevent birds from preying on endangered juvenile salmon passing through McNary Dam.

17 May 2020

20-023 Corps begins flexible spring spill operations to benefit fish and hydropower

The U.S. Army Corps of Engineers began implementing its 2020 Fish Operations Plan at the four lower Snake River dams April 3 and at the lower Columbia River dams April 10.

2 Apr 2019

Corps begins spring spill operations with new flexibility to benefit fish and hydropower

The U.S. Army Corps of Engineers will begin implementing its 2019 Fish Operations Plan at the four lower Snake River dams April 3, and at the lower Columbia River dams April 10. The 2019 plan includes spill and transport operations for the spring and summer juvenile fish passage seasons at these dams, as specified in the NOAA Fisheries 2019 Columbia River System Biological Opinion.

25 Mar 2019

19-026 Dworshak Dam discharge flows to temporarily increase to 5,400 cfs March 27-29 to help speed hatchery fish downstream

AHSAHKA, Idaho – To give fish hatcheries an opportunity to release juvenile fish smolts, Dworshak Dam discharge flows will be increased Wednesday, March 27, starting at noon, from the current 1,600 cubic feet per second (cfs) to 5,400 cfs, according to U.S. Army Corps of Engineers officials. Reservoir managers plan to maintain the increased flows through Friday, March 29.

25 Mar 2019

19-025 Corps covers fish-counting at dams; new contractor slated for June arrival

COLUMBIA & SNAKE RIVERS, Wash. & Ore. – Adult salmon passing through U.S. Army Corps of Engineers (Corps) fish ladders on the Columbia and Snake rivers this spring will be counted and recorded, but web-posting of some data will be delayed because of a gap in the federal contract that provides fish-counting services.

15 Oct 2018

Partners united for salmon, steelhead and lamprey extend Columbia Basin Fish Accords

States, tribes, and three federal agencies continue to work side by side for the good of endangered salmon and steelhead as they extend the historic Columbia Basin Fish Accords for up to four more years. The original agreements, signed in 2008, provided states and tribes more than $900 million to implement projects benefitting salmon, steelhead, and other fish and wildlife, and $50 million for Pacific lamprey passage improvements at federal dams on the Columbia and Snake rivers.