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Columbia River Basin Water Management

This is the home page for the Columbia Basin Water Management Division, Northwestern Division, U.S. Army Corps of Engineers. We are responsible for the Corps' river and reservoir regulation activities in the Columbia River Basin. Please click the icons on the map to learn more about the various projects in the Columbia Basin.

Columbia River

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Columbia River Basin News and Features

Columbia River locks shut down for annual maintenance
2/1/2024
The $23 billion of commerce that flows along the Columbia River will pause for two weeks beginning March 2 as the U.S. Army Corps of Engineers (USACE), Portland District closes three navigation locks...
23-059 Walla Walla District navigation locks will close in January for annual maintenance
12/19/2023
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...
‘Man Overboard’: Dredge vessel crew saves woman swept away by Columbia River
12/15/2023
It was the sound – something like a scream – that first caught their attention...
Army water regulators await torrent of winter moisture set to blast the Pacific Northwest
12/1/2023
A stream of atmospheric rivers will be flowing through parts the Pacific Northwest at the beginning of December, drastically changing the region’s most recent crisp, dry autumn – a seemingly strange...
Pacific lamprey returns eclipsing other years
9/25/2023 UPDATED
*Our initial news release referenced adult Pacific Lamprey returns were 170 percent higher than the 10-year-average and then referenced the 10-year-average being 41,414 which is actually closer to 154...