About Northwestern Division

NWD Image Map - Portland, Seattle, Walla Walla, Omaha, and Kansas City Districts Portland District boundaries Seattle District boundaries Walla Walla District boundaries Kansas City District boundaries Omaha District boundaries
Click an area on the map to go to that District's website.

We provide engineering services and stewardship of existing water resource infrastructure, military construction, environmental protection and restoration, and emergency response operations to serve the Army and the Nation.

Missouri River Basin

Missouri River independent review:

As part of post-flood assessment efforts, the U.S. Army Corps of Engineers, Northwestern Division, enlisted the assistance of experts in meteorology, hydrology, streamflow forecasting and reservoir system operations to review, analyze and assess the Corps' operation of the six mainstem dams along the Missouri River leading up to, and during, the Flood of 2011. Here are their findings.

Missouri River independent review findings

 Missouri River independent review panel press kit

   Missouri River independent review panel teleconference


2011 Reservoir Release Strategy

Eastern Montana, Iowa, the Dakotas and Nebraska:
Omaha District

Kansas and Missouri:
Kansas City District

  Operation Mighty Mo, Issue 2
  Operation Mighty Mo, Issue 1
external linkMissouri River Basin Flood videos

Columbia River Basin

Columbia River Water Management Division

  Columbia River Treaty
  Climate Change Study
  Climate and Hydrology Datasets Logo--click to go to SalmonRecovery.gov

Western Oregon
Portland District

Northeastern Washington, northern Idaho and northwestern Montana
Seattle District flood page

Southeastern Washington, central and southern Idaho
Walla Walla District

click here to go to SalmonRecovery.gov

District news

thumbnail image link to Walla Walla District story page Walla Walla District:  Response to regional flooding
In response to a record season of Snake River Basin water volume, the U.S. Army Corps of Engineers...
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thumbnail image link to Seattle District story page Seattle District:  Barracks ready to serve
With a decade of overseas contingency operations in Iraq, Afghanistan and elsewhere, the Army has ...
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thumbnail image link to Portland District story page Portland District:  Seismic evidence shifts engineers
 At its intersection, natural science and engineering create useful structures from earthly matter and ...
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thumbnail image link to Omaha District story page Omaha District:  Operation Mighty Mo
South Dakota National Guard members build temporary ring dikes near Marion Street in Fort Pierre ...
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thumbnail image link to Kansas City District story page Kansas City District:  Stepping up levee repairs
Actively engaged in the flood fight since May 2011 by working with city, county and state emergency ...
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Videos from around the Division

Contact the Northwestern Division : 1125 NW Couch Street, Portland, OR 97209   |   Phone 503-808-3705 or 503-808-5150 (option 8)   |   1616 Capitol Avenue, Omaha, NE 68102   |   402-996-3802

Official website for the Northwestern Division of the U.S. Army Corps of Engineers.  |  DISCLAIMER: The appearance of external hyperlinks does not constitute endorsement by the U.S. Army Corps of Engineers (USACE) of external web sites or the information, products, or services contained therein. USACE does not exercise any editorial control over the information you may find at these external links.