Drinking Water Compliance OS

YAKIMA, WA · Yakima County

SCHEMPER ADDITION WATER Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of May 1, 1999. 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 Yakima County, WA.

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 Washington’s official records. Always confirm current status with Washington before making decisions based on this information.

System facts

System ID (PWSID)
WA5376631
System type
Community Water System
Population served
29
Service connections
15
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    May 1, 1995 – May 31, 1995

    Archived
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    January 1, 1995 – January 31, 1995

    Archived
  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    September 1, 1992 – September 30, 1992

    Archived
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    October 1, 1979 – October 31, 1979

    Archived

Archived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

Last known contact on file (system is inactive)

Not on record

Phone not on record

YAKIMA, WA 98901