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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

More Contact Info

Rules and Regulations

Who Needs a Permit?

Industry types required to have coverage under an NPDES permit

40 CFR 122 Definitions

To review definition of Waters of the State see Page 7

City Code Chapter 17.39

Discharges to the Municipal Storm Sewer

Washing Trucks, Vehicles or Equipment

DEQ rules on deminimis washing activities