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Environmental Services

working for clean rivers

Phone: 503-823-7740

Fax: 503-823-6995

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

More Contact Info

Sewer Overflows

Environmental Services posts combined sewer overflow (CSO)
and sanitary sewer overflow (SSO) advisories on this page.

Portland waterfront

Combined Sewer Overflows (CSOs)

Feb. 16, 2017 - CSO advisory is in effect for the Willamette River

Sanitary Sewer Overflows (SSOs)

No SSO is in effect