QUARTERMASTER HEIGHTS WATER ASSN
Washington - Community Water System - PWSID: WA5370250
System Information
| PWSID | WA5370250 |
| System Name | QUARTERMASTER HEIGHTS WATER ASSN |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 7, 1981 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Washington |
| City | Vashon |
| ZIP Code | 98070 |
| Address | 25130 122nd Ave SW |
| Organization | QUARTERMASTER HEIGHTS WATER ASSN |
| Phone | - |
Population & Service
| Population Served | 70 |
| Service Connections | 28 |
Drinking Water Violations (63)
This water system has 63 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jun 1, 2023 | Jun 30, 2023 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2023 | - | |
| Nov 1, 2019 | Nov 30, 2019 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2019 | - | |
| Jul 1, 2018 | - | Other | No | No | - | - | - | Resolved | Oct 24, 2018 | - | |
| Jul 1, 2017 | - | Other | No | No | - | - | - | Resolved | Mar 19, 2018 | - | |
| Nov 1, 2016 | Nov 30, 2016 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2016 | - | |
| Jul 1, 2016 | - | Other | No | No | - | - | - | Resolved | Nov 7, 2016 | - | |
| Jul 1, 2014 | - | Other | No | No | - | - | - | Resolved | Dec 22, 2014 | - | |
| Oct 1, 2013 | Oct 31, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2013 | - | |
| Jul 1, 2013 | - | Other | No | No | - | - | - | Resolved | Nov 25, 2013 | - | |
| Jul 1, 2012 | - | Other | No | No | - | - | - | Resolved | Oct 26, 2012 | - | |
| Jan 1, 2012 | Dec 31, 2012 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2012 | - | |
| Jan 1, 2012 | Dec 31, 2012 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2012 | - | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2005 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2004 | Jan 31, 2004 | MCL | Yes | No | - | 5% of samples | - | Archived | Jan 31, 2004 | - | |
| Dec 1, 2003 | Dec 31, 2003 | MCL | Yes | No | - | 5% of samples | - | Archived | Dec 31, 2003 | - | |
| Nov 1, 2003 | Nov 30, 2003 | MCL | Yes | No | - | 5% of samples | - | Archived | Nov 30, 2003 | - | |
| Oct 1, 2003 | Oct 31, 2003 | MCL | Yes | No | - | 5% of samples | - | Archived | Oct 31, 2003 | - | |
| Sep 1, 2003 | Sep 30, 2003 | MCL | Yes | No | - | 5% of samples | - | Archived | Sep 30, 2003 | - | |
| Aug 1, 2003 | Aug 31, 2003 | MCL | Yes | No | - | 5% of samples | - | Archived | Aug 31, 2003 | - | |
| Jul 1, 2003 | Jul 31, 2003 | MCL | Yes | No | - | 5% of samples | - | Archived | Jul 31, 2003 | - | |
| Apr 1, 1998 | Apr 30, 1998 | MR | No | Yes | - | 5% of samples | - | Archived | Apr 30, 1998 | - | |
| Oct 1, 1996 | Oct 31, 1996 | MCL | Yes | No | - | 5% of samples | - | Archived | Oct 31, 1996 | - | |
| Oct 1, 1996 | Oct 31, 1996 | MCL | Yes | No | - | 5% of samples | - | Archived | Oct 31, 1996 | - | |
| Oct 1, 1996 | Oct 31, 1996 | MCL | Yes | No | - | 5% of samples | - | Archived | Oct 31, 1996 | - | |
| Nov 1, 1995 | Nov 30, 1995 | MR | No | Yes | - | 5% of samples | - | Archived | Nov 30, 1995 | - | |
| Nov 1, 1993 | Nov 30, 1993 | MR | No | Yes | - | 5% of samples | - | Archived | Nov 30, 1993 | - | |
| Jul 1, 1992 | Jul 31, 1992 | MR | No | No | - | 5% of samples | - | Archived | Jul 31, 1992 | - |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.