1 Apr 2024

Walla Walla District reopens navigation locks after extended outage; completes work on multiple BIL-funded projects

COLUMBIA & SNAKE RIVERS, Ore. & Wash. – The U.S. Army Corps of Engineers Walla Walla District reopened navigation locks on the Columbia and Snake rivers on March 29 after an eleven-week outage. This extended outage allowed the district to perform routine maintenance and to replace aged equipment to reduce the risk of asset failure.

19 Dec 2023

23-059 Walla Walla District navigation locks will close in January for annual maintenance

COLUMBIA & SNAKE RIVERS, Ore. & Wash. – The U.S. Army Corps of Engineers Walla Walla District is closing navigation locks on the Columbia and Snake rivers beginning Jan. 14, 2024 at 6 a.m. for an eleven-week outage. This extended outage will allow the district to perform routine maintenance and to replace aged equipment to reduce the risk of asset failure.

5 Mar 2020

20-010 Columbia and Snake river navigation locks will close March 7 for annual maintenance

COLUMBIA & SNAKE RIVERS, Ore. & Wash. – The U.S. Army Corps of Engineers’ Portland and Walla Walla districts will close all Corps navigation locks on the Columbia and Snake rivers March 7 at 6 a. m. for regularly scheduled annual inspections, preventative maintenance and repairs.

26 Feb 2019

19-017 Navigation locks on Columbia, Snake rivers to close March 2 for annual maintenance; Ice Harbor lock currently remains temporarily out of service for urgent machinery repairs

COLUMBIA & SNAKE RIVERS, Ore. & Wash. – The U.S. Army Corps of Engineers will conduct routine annual inspections, preventative maintenance and repairs at all navigation locks on the Columbia and Snake rivers during March.

23 Sep 2016

16-069 Ice Harbor navigation lock repairs to temporarily slow lockage times

BURBANK, Wash. – Work on a tainter valve in Ice Harbor Dam’s navigation lock will temporarily cause increased lockage times Sept. 26 to Dec. 12, according to U.S. Army Corps of Engineers navigation officials at the Walla Walla District.

26 Apr 2016

16-021 Dworshak flows to fluctuate while testing hatchery water systems

AHSAHKA, Idaho – Water discharged from Dworshak Dam and Reservoir will fluctuate Thursday and Friday, April 28-29, as staff conduct testing of the Dworshak National Fish Hatchery’s total dissolve gas (TDG) degassing equipment, according to U.S. Army Corps of Engineers water-management officials at the Walla Walla District.