WALNUT GROVE MHC
Michigan - Community Water System - PWSID: PA7010053
System Information
| PWSID | PA7010053 |
| System Name | WALNUT GROVE MHC |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 03 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Sep 14, 1996 |
| Last Reported | Mar 30, 2026 |
Location & Contact
| State | Michigan |
| City | FARMINGTON HILLS |
| ZIP Code | 48334 |
| Address | 31200 NORTHWESTERN HWY |
| Organization | WALNUT GROVE MHC |
| Phone | 717-337-0413 |
Population & Service
| Population Served | 425 |
| Service Connections | 167 |
Drinking Water Violations (103)
This water system has 103 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2026 | Jan 31, 2026 | MR | No | No | - | - | - | Archived | Jan 31, 2026 | - | |
| Jan 1, 2026 | Jan 31, 2026 | MR | No | No | - | - | - | Archived | Jan 31, 2026 | - | |
| Oct 1, 2022 | Dec 31, 2022 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Dec 31, 2022 | - | |
| Oct 1, 2022 | Dec 31, 2022 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Dec 31, 2022 | - | |
| Nov 1, 2020 | Nov 30, 2020 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Nov 30, 2020 | - | |
| Nov 1, 2020 | Nov 30, 2020 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Nov 30, 2020 | - | |
| Nov 1, 2020 | Nov 30, 2020 | MR | No | Yes | - | - | - | Resolved | Nov 30, 2020 | - | |
| Nov 1, 2020 | Nov 30, 2020 | MR | No | Yes | - | - | - | Resolved | Nov 30, 2020 | - | |
| May 1, 2015 | May 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2015 | - | |
| May 1, 2015 | May 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2015 | - | |
| Apr 1, 2015 | Jun 30, 2015 | MR | No | No | - | 4.0 mg/L | - | Resolved | Jun 30, 2015 | - | |
| Apr 1, 2015 | Jun 30, 2015 | MR | No | No | - | 4.0 mg/L | - | Resolved | Jun 30, 2015 | - | |
| Jul 1, 2013 | Sep 30, 2013 | MR | No | No | - | 4.0 mg/L | - | Resolved | Sep 30, 2013 | - | |
| Jan 1, 2010 | Mar 31, 2010 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Feb 25, 2010 | - | |
| Oct 11, 2009 | - | Other | No | No | - | - | - | Resolved | Nov 25, 2009 | - | |
| Oct 11, 2009 | - | Other | No | No | - | - | - | Resolved | Nov 25, 2009 | - | |
| Oct 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Oct 1, 2009 | Dec 31, 2009 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2009 | - | |
| Jul 1, 2008 | Sep 30, 2008 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2008 | - | |
| Jul 1, 2008 | - | Other | No | No | - | - | - | Resolved | Sep 9, 2008 | - | |
| Jul 1, 2008 | - | Other | No | No | - | - | - | Resolved | Sep 9, 2008 | - | |
| Sep 1, 2005 | Sep 30, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2005 | - | |
| Sep 1, 2005 | Sep 30, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2005 | - | |
| Sep 1, 2005 | Sep 30, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2005 | - | |
| Oct 1, 2004 | - | Other | No | No | - | - | - | Resolved | Feb 11, 2005 | - | |
| Oct 1, 2004 | - | Other | No | No | - | - | - | Resolved | Feb 11, 2005 | - | |
| Oct 1, 2004 | - | Other | No | No | - | - | - | Resolved | Feb 11, 2005 | - | |
| Jul 1, 2004 | - | Other | No | No | - | - | - | Resolved | Mar 14, 2005 | - | |
| Jul 1, 2004 | - | Other | No | No | - | - | - | Resolved | Mar 14, 2005 | - | |
| Jul 1, 2004 | - | Other | No | No | - | - | - | Resolved | Mar 14, 2005 | - | |
| Jul 1, 2004 | - | Other | No | No | - | - | - | Resolved | Mar 14, 2005 | - | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2004 | - | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2004 | - | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2004 | - | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | - | 2 mg/L | - | Resolved | Dec 31, 2003 | - | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Dec 31, 2003 | - | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Dec 31, 2003 | - | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 2003 | - | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 2003 | - | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 2003 | - | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | - | 0.006 mg/L | - | Resolved | Dec 31, 2003 | - | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | - | 0.006 mg/L | - | Resolved | Dec 31, 2003 | - | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | - | 0.05 mg/L | - | Resolved | Dec 31, 2003 | - | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | - | 0.05 mg/L | - | Resolved | Dec 31, 2003 | - | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2003 | - | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2003 | - | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 2003 | - | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2003 | - | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2003 | - | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2003 | - |
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.