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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