Tryon creek state park

Tryon Creek State Park

West Multnomah Soil & Water Conservation District’s boundaries encompass a number of watersheds, each unique to location and conditions. Please click on the watersheds and creeks in each watershed to learn more about them.

Also, see the 2015 Report Card on Portland Watersheds.

Columbia River

Columbia River

Multnomah Channel

Sauvie Island

Willamette River


Multnomah Channel 

Crabapple Creek

Ennis Creek

Jackson Creek

Jones Creek

Joy Creek

McCarthy Creek

Miller Creek

Patterson Creek

Raymond Creek 


Tualatin River

Abbey Creek 

Ball Creek

Fanno Creek

McKay Creek

Rock Creek


Willamette River

Balch Creek

Doanne Creek

Johnson Creek

Saltzman Creek

Spring Brook Creek

Terwilliger Creek

Tryon Creek 


Featured Native Species-North American Elk

Many District residents are surprised to learn that North American Elk (Cervus canadensis) live in and around Forest Park. Landowners near the park have reported seeing herds of thirty or more elk on their properties, […]

Living on the Water

West Multnomah County is home to a number of floating home communities, offering a living experience with a unique set of natural resource benefits and challenges. In our District, most floating homes and marinas dot […]

Oregon Invasive Species Awareness Week

Orange hawkweed (Hieracium aurantiacum) This is Oregon Invasive Species Awareness Week and orange hawkweed is another invasive weed we’re asking you to look out for on your property.               […]