Drinking Water Quality

Water Quality Reports


The City of Beaverton believes that safe drinking water is our highest priority. As required by the United States Environmental Protection Agency (EPA), the following Water Quality Reports concerning the City of Beaverton drinking water are available to read or print from this site.

About Our Water Supply


The City of Beaverton supplies drinking water to about 70,000 residents, or about 74% of the 94,215 residents who live within the City limits. The primary source of filtered drinking water in Beaverton’s service area is from the Joint Water Commission (JWC) Water Treatment Plant, which filters surface water pumped from the nearby upper Tualatin River, located 20 miles from the City.
The JWC, an intergovernmental water supply agency, provides the primary potable water supply to more than 400,000 customers in Washington County through its member agencies: the cities of Beaverton, Hillsboro, Forest Grove, and Tigard, as well as the Tualatin Valley Water District. Beaverton has been a member of the JWC since 1979.

Stay Informed


The City of Beaverton will send information by email when we receive notice of applicable changes in water chemistry that might be of interest to water customers using water for commercial or industrial processes. To receive these updates, please sign up in our Notify Me section.