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

July 06, 2022


The KNAPPA WATER ASSOCIATION in Clatsop 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 OR4100061. This classification is based on the system serving 574 residential connections and a population of 1,800 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=00061 or contact:

JAMES (CHRIS) JACKSON
KNAPPA WATER ASSOCIATION OR4100061
503-458-6461