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Inbound and outbound phone calls to the City are currently unavailable due to a power outage impacting City communications equipment. Calls to 9-1-1 and Non-Emergency phones are not impacted.

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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)

Updates on Combined Sewer Overflows (CSOs)

Sanitary Sewer Overflows (SSOs)

Updates on Sanitary Sewer Overflows (SSOs)