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Environmental Services

working for clean rivers

Phone: 503-823-7740

Fax: 503-823-6995

1120 SW 5th Avenue, Suite 1000, Portland, OR 97204

Fanno Creek

  • Blue heron fishing on Fanno Creek

  • Parking lot swale in the Fanno watershed

  • Fanno Creek beaver dam

  • Fanno Wetlands

map of the Fanno Creek watershedThe Fanno Creek Watershed in the Tualatin River Basin covers over 20,000 acres. About 4,500 acres of the watershed are within Portland city limits. Fanno Creek flows west for about 15 miles from its headwaters in Hillsdale to its confluence with the Tualatin River near Durham.

Fanno and Tryon Creek Watershed Manager
Shannon Axtell 503-823-5748

Fanno and Tryon Creek Watershed Program Coordinator Jennifer Devlin 503-823-6182


Contact Us

Phone numbers and email addresses

Southwest Watershed Resource Center

Resource center programs and resources

Heartbleed Security Notice

A serious security vulnerability known as "Heartbleed" was recently discovered in OpenSSL, a popular software library commonly used by many websites on the internet to encrypt communication between a user's computer and a web server.

PortlandOregon.gov is NOT affected by this vulnerability as it does not use the OpenSSL software library. Please rest assured we are dedicated to protecting your security on this website.