County List for the District
In general, Corps Districts are organized by river basins. This generally means some counties and states have more than one
District. The following list denotes this by identifying the other Districts in parenthesis. This list is effective as of 1 July 96.
- Idaho:
- Ada
- Adams
- Bannock
- Bear Lake (Sacramento)
- Benewah (Seattle)
- Bingham
- Blaine
- Boise
- Bonner (Seattle)
- Bonneville
- Boundary (Seattle)
- Butte
- Camas
- Canyon
- Caribou
- Cassia (Sacramento)
- Clark
- Clearwater
- Custer
- Elmore
- Franklin (Sacramento)
- Fremont
- Gem
- Gooding
- Idaho
- Jefferson
- Jerome
- Kootenai (Seattle)
- Latah (Sacramento)
- Lemhi
- Lewis
- Lincoln
- Madison
- Minidoka
- Nez Perce
- Oneida (Sacramento)
- Owyhee (Sacramento)
- Payette
- Power
- Shoshone (Seattle)
- Teton
- Twin Falls (Sacramento)
- Valley
- Washington
- Nevada:
- Oregon:
- Baker
- Benton (Portland)
- Malheur (Sacramento)
- Umatilla (Portland)
- Union
- Wallowa
- Utah:
- Washington:
- Asotin
- Benton (Seattle)
- Columbia (Seattle)
- Franklin (Seattle)
- Garfield
- Walla Walla
- Whitman (Seattle)
- Wyoming:
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