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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

Industrial Pretreatment Rules and City Code

ENB-4.03

Industrial Wastewater Discharges Administrative Rules

City Code Chapter 17.36.110

Extra-Strength Wastewater Discharges

City Code Chapter 17.34.070

Industrial Wastewater Discharge Permits