MAILING ADDRESS: 1120 SW 5th Ave, Room 1000, Portland, OR 97204
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.
Learn more about Environmental Services regulatory requirements by industry type.
Surchage for wastewater discharges exceeding allowable BOD and/or TSS concentrations
Alternative Discharge Control Mechanism Program
Requirements for discharges to the Portland sewer system
For City of Portland industrial and commercial sewer users