Oregon Health Authority
Center for Health Protection
Drinking Water Services
800 NE Oregon St. Suite 640
Portland, OR 97232-2162
Public Water System Compliance Information
November 28, 2022
The GRASS VALLEY WATER SYSTEM in Sherman 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 OR4100356. This classification is based on the system serving 92 residential connections and a population of 184 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=00356 or contact:
GRASS VALLEY WATER SYSTEM OR4100356