Drinking Water Compliance OS

Shelton, WA · Mason County

WASHINGTON CORRECTIONS CENTER Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

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)
WA5393063
System type
Community Water System
Population served
2,223
Service connections
750
Ownership
state government
Water source
groundwater (wells)

Violation history

  • Monitoring, Regular

    Antimony, Total

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Thallium, Total

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    CYANIDE

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Fluoride

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Mercury

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Nickel

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Selenium

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Beryllium, Total

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Regular

    Arsenic

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Barium

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Cadmium

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Chromium

    January 1, 2008 – December 31, 2010

    Resolved
  • Monitoring, Regular

    1,2-DIBROMO-3-CHLOROPROPANE

    July 1, 2007 – September 30, 2007

    Resolved
  • Monitoring, Regular

    ETHYLENE DIBROMIDE

    July 1, 2007 – September 30, 2007

    Resolved
  • Monitoring, Regular

    Diquat

    July 1, 2007 – September 30, 2007

    Resolved
  • Monitoring, Regular

    1,2-DIBROMO-3-CHLOROPROPANE

    July 1, 2007 – September 30, 2007

    Resolved
  • Monitoring, Regular

    ETHYLENE DIBROMIDE

    July 1, 2007 – September 30, 2007

    Resolved
  • Monitoring, Regular

    Diquat

    July 1, 2007 – September 30, 2007

    Resolved
  • Monitoring, Regular

    Diquat

    October 1, 2006 – December 31, 2006

    Resolved
  • Monitoring, Regular

    Diquat

    October 1, 2006 – December 31, 2006

    Resolved
  • Maximum Contaminant Level Violation, Acute (TCR)

    Health-based

    Coliform (TCR)

    October 1, 1997 – October 31, 1997

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    July 1, 1997 – July 31, 1997

    Archived
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    October 1, 1979 – October 31, 1979

    Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

Contact

WASHINGTON CORRECTIONS CENTER

Phone not on record

Shelton, WA 98584