LAKE ISABELLA WATER DIST. #1
Michigan - Community Water System - PWSID: MI0003435
System Information
| PWSID | MI0003435 |
| System Name | LAKE ISABELLA WATER DIST. #1 |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 05 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 3, 1981 |
| Last Reported | Mar 30, 2026 |
Location & Contact
| State | Michigan |
| City | MT PLEASANT |
| ZIP Code | 48858 |
| Address | 200 N MAIN ST |
| Organization | WILLOUGHBY, ROBERT |
| Phone | 989-317-4072 |
Population & Service
| Population Served | 327 |
| Service Connections | 109 |
Drinking Water Violations (24)
This water system has 24 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 11, 2025 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| Jan 1, 2009 | Dec 31, 2011 | MR | No | No | - | 0.080 mg/L | - | Resolved | Dec 31, 2011 | - | |
| Jan 1, 2009 | Dec 31, 2011 | MR | No | No | - | 0.060 mg/L | - | Resolved | Dec 31, 2011 | - | |
| Jan 1, 2009 | Dec 31, 2011 | MR | No | No | - | 0.080 mg/L | - | Resolved | Dec 31, 2011 | - | |
| Jan 1, 2009 | Dec 31, 2011 | MR | No | No | - | 0.060 mg/L | - | Resolved | Dec 31, 2011 | - | |
| Jan 1, 2009 | Dec 31, 2011 | MR | No | No | - | 0.080 mg/L | - | Resolved | Dec 31, 2011 | - | |
| Jan 1, 2009 | Dec 31, 2011 | MR | No | No | - | 0.060 mg/L | - | Resolved | Dec 31, 2011 | - | |
| Jan 1, 2009 | Dec 31, 2011 | MR | No | No | - | 0.060 mg/L | - | Resolved | Dec 31, 2011 | - | |
| Jan 1, 2009 | Dec 31, 2011 | MR | No | No | - | 0.080 mg/L | - | Resolved | Dec 31, 2011 | - | |
| Apr 15, 2006 | - | Other | No | No | - | - | - | Resolved | Jun 30, 2006 | - | |
| Apr 15, 2006 | - | Other | No | No | - | - | - | Resolved | Jun 30, 2006 | - | |
| Apr 15, 2006 | - | Other | No | No | - | - | - | Resolved | Jun 30, 2006 | - | |
| Apr 15, 2006 | - | Other | No | No | - | - | - | Resolved | Jun 30, 2006 | - | |
| Mar 1, 2005 | Mar 31, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2005 | - | |
| Mar 1, 2005 | Mar 31, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2005 | - | |
| Mar 1, 2005 | Mar 31, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2005 | - | |
| Mar 1, 2005 | Mar 31, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2005 | - | |
| Jul 1, 2001 | - | Other | No | No | - | - | - | Resolved | Jul 25, 2001 | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | 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.