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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

Industrial Pretreatment Program

Industrial Pretreatment


The Industrial Pretreatment Program protects Portland’s water resources, sewer treatment systems, and public health by working with commercial and industrial customers to control discharges of harmful pollutants to the environment.

Industrial Pretreatment Awards

Each year, Environmental Services recognizes industrial customers that work to protect the environment and keep our rivers, streams and watersheds healthy.

Extra Strength Sewage Charges

Surchage for wastewater discharges exceeding allowable BOD and/or TSS concentrations

ADCM Program

Alternative Discharge Control Mechanism Program

Batch Discharges

Requirements for discharges to the Portland sewer system