Oregon Health Authority
Center for Health Protection
Drinking Water Services


800 NE Oregon St. Suite 640
Portland, OR 97232-2162
(971)673-0405
FAX: (971)673-0694
TTY-Nonvoice: (971)673-0372


Public Water System Compliance Information

May 15, 2021


The HILLSBORO, CITY OF in Washington County is classified as a "community" water supply and is identified on the Oregon Health Authority Drinking Water Services public water system inventory by Public Water System (PWS) Identification Number OR4101513. This classification is based on the system serving 24,944 residential connections and a population of 88,243 people.

Public water systems are subject to the requirements of Oregon Administrative Rules, Chapter 333 as administered by the Oregon Health Authority. The state rules are established as required by the federal Safe Drinking Water Act and Environmental Protection Agency.

For specific information regarding this water system, check Data Online at https://yourwater.oregon.gov/inventory.php?pwsno=01513 or contact:

JESSICA DORSEY
HILLSBORO, CITY OF OR4101513
503-615-6579