Water Quality Program
The mission of the Water Quality Program is to protect and preserve the natural resources and quality of life in unincorporated Multnomah County.
Contact
1620 SE 190th Ave.
Portland, OR 97233
503-988-5050
503-988-3321 fax
water.quality@multco.us
What's New With Water Quality:
- Beaver Creek Fish Species Composition, October 2011
- Beaver Creek - The State of the Watershed: Spring 2011
- Beaver Creek factsheet - high quality version for printing (3MB)
A watershed is the area that drains to a river or stream. In a healthy watershed, native vegetation and soil intercept snow and rain that fall in the watershed, slowing the flow of water as it travels, removing...
When land is developed, the natural cycle of water is disrupted and altered. The trees and plants that originally covered the land no longer capture rainfall, and hard surfaces such as roadways and parking lots produce...
The City of Portland’s Bureau of Development Services manages the commercial and residential on-site sewage disposal system certification program for Multnomah County.
Related Documents
Land Use & Transportation Program
News and Announcements