Patterson Creek at a glance

Located east of the Sammamish plateau and north of Fall City, Patterson Creek flows into the Snoqualmie River just north of the Raging River.

• Drains almost 20 square miles
• 12.1 miles long
• 8% of the basin area is wetland
• Dry Creek, Canyon Creek and 5 major unnamed tributaries

Water quality problems (Snoqualmie Water Quality Synthesis Report)

• Frequently too warm
• Not enough oxygen
• Contaminated with bacteria

Fish

• Chinook
• Coho
• Steelhead/rainbow trout
• Coastal cutthroat trout

• Reed canarygrass
• Blackberry

More information
Patterson Creek Rural Recon Report
Snoqualmie watershed

Related information

• NW yard and garden
• NW native plants
• Environmental stewardship
• The Dirt: Hands-on volunteer opportunities
• Snoqualmie - Skykomish Watershed

Related agencies

• Dept. of Natural Resources and Parks
• Water and Land Resources Division