Drinking Water Compliance OS

GRAHAM, WA · Pierce County

GRAHAM HILL MUTUAL WATER CO INC 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)
WA5328650
System type
Community Water System
Population served
1,474
Service connections
448
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Monitoring, Regular

    Nitrate

    January 1, 2009 – December 31, 2009

    Resolved
  • Monitoring, Regular

    Carbofuran

    January 1, 2008 – December 31, 2010

    Archived
  • Monitoring, Regular

    Aldicarb

    January 1, 2008 – December 31, 2010

    Archived
  • Monitoring, Regular

    OXAMYL

    January 1, 2008 – December 31, 2010

    Archived
  • Monitoring, Regular

    Aldicarb sulfoxide

    January 1, 2008 – December 31, 2010

    Archived
  • Monitoring, Regular

    Aldicarb sulfone

    January 1, 2008 – December 31, 2010

    Archived
  • Monitoring, Regular

    Carbofuran

    January 1, 2008 – December 31, 2010

    Archived
  • Monitoring, Regular

    Aldicarb

    January 1, 2008 – December 31, 2010

    Archived
  • Monitoring, Regular

    OXAMYL

    January 1, 2008 – December 31, 2010

    Archived
  • Monitoring, Regular

    Aldicarb sulfoxide

    January 1, 2008 – December 31, 2010

    Archived
  • Monitoring, Regular

    Aldicarb sulfone

    January 1, 2008 – December 31, 2010

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    October 1, 2004 – October 31, 2004

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    September 1, 2004 – September 30, 2004

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    September 1, 1994 – September 30, 1994

    Archived
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    August 1, 1994 – August 31, 1994

    Archived
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    November 1, 1992 – November 30, 1992

    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

GRAHAM HILL MUTUAL WATER CO INC

Phone not on record

GRAHAM, WA 98338-7190