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West Multnomah Soil & Water Conservation District Locally Led Conservation
Columbia River
Multnomah Channel (excluding Sauvie Island)
Crabapple Creek
Ennis Creek
Jackson Creek (overlaps into Columbia County)
Jones Creek
Joy Creek
McCarthy Creek
Miller Creek
Patterson Creek
Raymond Creek (overlaps into Washington and Columbia Counties)
Sauvie Island (Willamette/Lower Columbia)
Columbia Drainage District
Dairy Creek
Gilbert River
Sauvie Island Drainage Improvement Company
Sturgeon Lake
Tualatin River (tributaries)
Ball Creek (partial)
Fanno Creek
Ash Creek
North Ash Creek
South Ash Creek
Ivey Creek
Pendleton Creek
Sylvan Creek
Vermont Creek
Woods Creek
McKay Creek (mostly in Washington County)
Rock Creek (overlaps into Washington County)
Abbey Creek (flows into Washington County)
Bronson Creek (upper stretch)
Cedar Mill Creek (upper stretch)
Golf Creek
Holcomb Creek
Johnson Creek (Washington Co)
Rock Creek (West Multnomah)
Rock Creek (Washington Co)
Willow Creek
Willamette River
Balch Creek
Doanne Creek
Johnson Creek (West Multnomah)
Saltzman Creek
Spring Brook Creek
Stephens Creek
Terwilliger Creek
Tryon Creek
Arnold Creek
Falling Creek
Park Creek
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