The Corps of Engineers's Civil Works Program is Nation's foremost water resources development program. The origins of Civil Works date back to 1824 when Congress provide the Corps funds for navigation improvements. Since then, the program has evolved to include a broad range of authorities and missions that support the Nation. All together, Seattle District's Civil Works boundaries encompass over 99,000 square miles including 4,700 miles of shoreline. The boundaries stretch from Western Montana to North Idaho and much of Washington State including the Columbia River system.
The primary mission areas for the Civil Works Program are: