ARLINGTON HEIGHTS WATER CO INC
Washington - Community Water System - PWSID: WA5311134
System Information
| PWSID | WA5311134 |
| System Name | ARLINGTON HEIGHTS WATER CO INC |
| 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 | May 26, 1982 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Washington |
| City | Arlington |
| ZIP Code | 98223 |
| Address | 9711 Arlington Heights Rd |
| Organization | ARLINGTON HEIGHTS WATER CO INC |
| Phone | - |
Population & Service
| Population Served | 57 |
| Service Connections | 20 |
Drinking Water Violations (43)
This water system has 43 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2025 | - | Other | No | No | - | - | - | Resolved | Sep 30, 2025 | - | |
| Oct 1, 2024 | Oct 31, 2024 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2024 | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Resolved | Jul 2, 2024 | - | |
| Apr 1, 2022 | Apr 30, 2022 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2022 | - | |
| Jan 1, 2022 | Dec 31, 2022 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2022 | - | |
| Aug 1, 2018 | Aug 31, 2018 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2018 | - | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2018 | - | |
| Jan 1, 2016 | Dec 31, 2018 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2018 | - | |
| Jul 1, 2015 | - | Other | No | No | - | - | - | Resolved | Sep 15, 2015 | - | |
| Mar 1, 2012 | Mar 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2012 | - | |
| Dec 1, 2011 | Dec 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2011 | - | |
| Mar 1, 2011 | Mar 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2011 | - | |
| 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 | - | |
| Dec 1, 2006 | Dec 31, 2006 | MR | No | No | - | 5% of samples | - | Archived | Dec 31, 2006 | - | |
| Apr 1, 2006 | Apr 30, 2006 | MR | No | No | - | 5% of samples | - | Archived | Apr 30, 2006 | - | |
| Mar 1, 2006 | Mar 31, 2006 | MR | No | No | - | 5% of samples | - | Archived | Mar 31, 2006 | - | |
| Nov 1, 2005 | Nov 30, 2005 | MR | No | No | - | 5% of samples | - | Archived | Nov 30, 2005 | - | |
| Oct 1, 2005 | Oct 31, 2005 | MR | No | No | - | 5% of samples | - | Archived | Oct 31, 2005 | - | |
| Jul 1, 2005 | Jul 31, 2005 | MR | No | No | - | 5% of samples | - | Archived | Jul 31, 2005 | - | |
| Dec 1, 2004 | Dec 31, 2004 | MR | No | No | - | 5% of samples | - | Archived | Dec 31, 2004 | - | |
| Aug 1, 2004 | Aug 31, 2004 | MR | No | No | - | 5% of samples | - | Archived | Aug 31, 2004 | - | |
| Jul 1, 2004 | Jul 31, 2004 | MR | No | No | - | 5% of samples | - | Archived | Jul 31, 2004 | - | |
| Jun 1, 2004 | Jun 30, 2004 | MR | No | No | - | 5% of samples | - | Archived | Jun 30, 2004 | - | |
| Nov 1, 2003 | Nov 30, 2003 | MR | No | No | - | 5% of samples | - | Archived | Nov 30, 2003 | - | |
| Jul 1, 2000 | Jul 2, 2003 | Other | No | Yes | - | - | - | Resolved | Jul 2, 2003 | - | |
| Apr 1, 2000 | Apr 30, 2000 | MR | No | Yes | - | 5% of samples | - | Archived | Apr 30, 2000 | - | |
| Oct 19, 1999 | Dec 31, 1999 | Other | No | Yes | - | - | - | Resolved | Dec 31, 1999 | - | |
| Aug 1, 1999 | Aug 31, 1999 | MR | No | Yes | - | 5% of samples | - | Archived | Aug 31, 1999 | - | |
| Dec 1, 1998 | Dec 31, 1998 | MR | No | Yes | - | 5% of samples | - | Archived | Dec 31, 1998 | - | |
| Jul 1, 1997 | Jul 31, 1997 | MR | No | Yes | - | 5% of samples | - | Archived | Jul 31, 1997 | - | |
| Jun 1, 1996 | Jun 30, 1996 | MR | No | Yes | - | 5% of samples | - | Archived | Jun 30, 1996 | - | |
| Aug 1, 1993 | Aug 31, 1993 | MR | No | Yes | - | 5% of samples | - | Archived | Aug 31, 1993 | - | |
| May 1, 1992 | May 31, 1992 | MR | No | Yes | - | 5% of samples | - | Archived | May 31, 1992 | - | |
| Feb 1, 1992 | Feb 29, 1992 | MR | No | Yes | - | 5% of samples | - | Archived | Feb 29, 1992 | - | |
| Nov 1, 1991 | Nov 30, 1991 | MR | No | Yes | - | 5% of samples | - | Archived | Nov 30, 1991 | - | |
| - | - | - | No | No | - | - | - | - | - | - |
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.