Water Quality Program

The Water Quality Program coordinates the county-wide response to federal and state clean water regulations. The goal of the program is to protect the health of our streams, streamside areas and wetlands by avoiding impacts to streams from County operations and improving water quality.

***NEW NPDES Stormwater Permit Annual Report****

Public comments on the 2017 Draft NPDES Stormwater Permit Annual Report will be accepted from October 2, 2017 through October 16, 2017. Please click here to download the 2017 Draft NPDES Stormwater Permit Annual Report.


For questions or comments about the County's streams:

Email: waterquality@multco.us

Phone: 503-988-0195

Multnomah County Water Quality Program
1620 SE 190th Ave.
Portland, OR 97233