Vashon, WA · King County

QUARTERMASTER HEIGHTS WATER ASSN 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): WA5370250
System type: Community Water System
Population served: 70
Service connections: 28
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
June 1, 2023 – June 30, 2023
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
November 1, 2019 – November 30, 2019
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2018 – October 24, 2018
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2017 – March 19, 2018
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
November 1, 2016 – November 30, 2016
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2014 – December 22, 2014
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
October 1, 2013 – October 31, 2013
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2012 – December 31, 2012
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2009 – December 31, 2009
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2007 – December 31, 2007
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
January 1, 2005 – December 31, 2005
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
January 1, 2004 – January 31, 2004
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
December 1, 2003 – December 31, 2003
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
November 1, 2003 – November 30, 2003
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
October 1, 2003 – October 31, 2003
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
September 1, 2003 – September 30, 2003
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
August 1, 2003 – August 31, 2003
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 2003 – July 31, 2003
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
October 1, 1996 – October 31, 1996
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
November 1, 1995 – November 30, 1995
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
November 1, 1993 – November 30, 1993
Archived
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 1992 – April 30, 1992
Archived
Monitoring, Regular
—
Fluoride
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Mercury
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Arsenic
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Selenium
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Nitrate
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Barium
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Cadmium
October 1, 1979 – October 31, 1979
Archived
Monitoring, Regular
—
Chromium
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)

Period	Violation	Contaminant / rule	Health-based	Status
June 1, 2023 – June 30, 2023	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
November 1, 2019 – November 30, 2019	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
July 1, 2018 – October 24, 2018	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2017 – March 19, 2018	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
November 1, 2016 – November 30, 2016	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
July 1, 2014 – December 22, 2014	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
October 1, 2013 – October 31, 2013	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
January 1, 2012 – December 31, 2012	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2009 – December 31, 2009	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2007 – December 31, 2007	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2005 – December 31, 2005	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
January 1, 2004 – January 31, 2004	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
December 1, 2003 – December 31, 2003	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
November 1, 2003 – November 30, 2003	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
October 1, 2003 – October 31, 2003	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
September 1, 2003 – September 30, 2003	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
August 1, 2003 – August 31, 2003	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
July 1, 2003 – July 31, 2003	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
October 1, 1996 – October 31, 1996	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
November 1, 1995 – November 30, 1995	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
November 1, 1993 – November 30, 1993	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
April 1, 1992 – April 30, 1992	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Fluoride	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Mercury	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Arsenic	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Selenium	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Nitrate	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Barium	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Cadmium	—	Archived
October 1, 1979 – October 31, 1979	Monitoring, Regular	Chromium	—	Archived

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

Enforcement actions

July 24, 2023State Compliance achieved1 linked violation
December 1, 2019State Compliance achieved1 linked violation
October 24, 2018State Compliance achieved1 linked violation
March 19, 2018State Compliance achieved1 linked violation
December 14, 2016State Compliance achieved1 linked violation
November 7, 2016State Compliance achieved1 linked violation
December 22, 2014State Compliance achieved1 linked violation
December 4, 2013State Compliance achieved1 linked violation
November 30, 2013State Compliance achieved1 linked violation
November 25, 2013State Compliance achieved1 linked violation
October 26, 2012State Compliance achieved1 linked violation
March 17, 2010State Compliance achieved1 linked violation
May 7, 2008State Compliance achieved8 linked violations
December 31, 2005State Compliance achieved12 linked violations
July 31, 1992State Violation/Reminder Notice1 linked violation
June 30, 1992State Violation/Reminder Notice1 linked violation
April 30, 1992State Violation/Reminder Notice1 linked violation

Contact

QUARTERMASTER HEIGHTS WATER ASSN

Phone not on record

Vashon, WA 98070