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The City of Portland, Oregon

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Environmental Services

working for clean rivers

Phone: 503-823-7740

Fax: 503-823-6995

MAILING ADDRESS: 1120 SW 5th Ave, 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)

Updates on Combined Sewer Overflows (CSOs)

Sanitary Sewer Overflows (SSOs)

Updates on Sanitary Sewer Overflows (SSOs)