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The City of Portland, Oregon

Environmental Services

working for clean rivers

Phone: 503-823-7740

Fax: 503-823-6995

1120 SW 5th Ave, Suite 613, Portland, OR 97204

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Environmental Assessment

Read the 2004 report on the City of Portland’s Innovative Wet Weather Program (IWWP) and the need for actions that improve water quality and watershed health in Portland by reducing CSOs, stormwater runoff peaks and volumes, and stormwater pollution with green solutions as alternatives to expensive wastewater transport and treatment.