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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

Watch "Portland CSO Program 1991-2011"

Portland's CSO Program 1991-2011 from PortlandBES on Vimeo.

Lesley Stahl narrates this overview of Portland's 20-year combined sewer overflow (CSO) control program