Drinking Water Compliance OS

HERMISTON, OR · Umatilla County

UNION PACIFIC RR-WTR SVC DEPT Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of February 1, 1980. 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 Umatilla 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)
OR4100373
System type
Community Water System
Population served
300
Service connections
21
Ownership
local 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-

HERMISTON, OR 97838