Drinking Water Compliance OS

SHELTON, WA · Mason County

SQUAXIN ISLAND TRIBAL HOUSING Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of May 1, 1994. 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 Mason 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)
WA53IH748
System type
Community Water System
Population served
250
Service connections
46
Ownership
public/private mix
Water source
groundwater (wells)

Violation history

  • Monitoring, Repeat Major (TCR)

    —

    Coliform (TCR)

    March 1, 1995 – May 1, 1994

    Archived

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    February 1, 1995 – May 1, 1994

    Archived

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    January 1, 1994 – January 31, 1994

    Archived

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    February 1, 1993 – February 28, 1993

    Archived

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    January 1, 1993 – January 31, 1993

    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

SHELTON, WA 98584