23 Jun 2026

USACE innovations increase fish survivability on the Snake and Columbia rivers

KAHLOTUS, Wash. – Beneath the surface of the Snake River, an ever-changing aquatic environment dictates the survival of some of the region's most iconic wildlife, Pacific salmon and steelhead. To protect these vulnerable species, personnel with the U.S. Army Corps of Engineers, Walla Walla District are deploying innovative “fish bubblers” to combat rising temperatures.

25 Aug 2023

The end of a long journey: a history of Lower Granite Lock and Dam

It was early in the morning and a steam-powered paddleboat made its way up the lower Snake River, trimmed with colored flags. The date was June 19, 1975, and the mood was festive. The vessel was heading for Lower Granite Lock and Dam, whose pool had been raised just four months prior.

25 Jul 2023

USACE Plans Fish Survival Testing this Fall on the Second Improved Fish Passage Turbine

The U.S. Army Corps of Engineers Walla Walla District has started the installation process in Unit 1 for another adjustable blade turbine designed for improved fish passage. The Corps has been working diligently to decrease fish injury and improve survival rates through turbines designed for improved fish passage at Ice Harbor Lock and Dam.

20 Sep 2022

Exploring the USACE Walla Walla District: An Engineering Student’s Journey

“I’ve always thought that the U.S. Army Corps of Engineers was all about hydropower. I didn’t think there was too much to it.”

25 Jun 2020

Corps employees develop debris removal device for safer fish passage at Little Goose Dam

WALLA WALLA, WA – Two Corps employees at Little Goose Lock and Dam created a device that removed debris blockages within the dam.