Drinking Water Compliance OS

CASCADE LOCKS, OR · Multnomah County

COE BONNEVILLE DAM Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of May 1, 1982. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.

If you are a resident looking for your current water provider, see water systems in Multnomah County, OR.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Oregon’s official records. Always confirm current status with Oregon before making decisions based on this information.

System facts

System ID (PWSID)
OR4193681
System type
Community Water System
Population served
2,000
Service connections
0
Ownership
federal government
Water source
groundwater (wells)

Violation history

No violations on record for this system.

Enforcement actions

No enforcement actions on record for this system.

Last known contact on file (system is inactive)

Not on record

503-374-8442

CASCADE LOCKS, OR 97014