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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

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The Outer East subwatershed extends from the eastern edge of Portland’s combined sewer service area at about 82nd Avenue to about 160th Avenue and includes the area not within either the Columbia Slough or Johnson Creek watersheds. There are no stream channels in the subwatershed.
Maps & Files

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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.