MAILING ADDRESS: 1120 SW 5th Ave, Room 1000, Portland, OR 97204
General NPDES Permit and related materials for stormwater discharges associated with industrial activity in Portland.
Includes forms and instructions to obtain coverage under the 1200-Z General NPDES Stormwater Permit
BES Compliance Guidance Fact Sheet for the 1200-Z Permit
The current permit was effective Aug. 1, 2017, reissued upon consideration on Oct. 22, 2018 and expires on July 31, 2022.