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.


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

NEWS: The Multnomah County National Pollutant Discharge Elimination System (NPDES) Stormwater Permit - 2016 Annual Report - is available for public comment: October 18 - 31. Please submit comments to the above contact by 5:00PM on Monday, October 31.