PONTIAC
Michigan — Community Water System — PWSID: MI0005440
System Information
| PWSID | MI0005440 |
| System Name | PONTIAC |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 05 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 3, 1981 |
| Last Reported | Dec 18, 2025 |
Location & Contact
| State | Michigan |
| City | WATERFORD |
| ZIP Code | 48328 |
| Address | 1 PUBLIC WORKS DR BLDG 95W |
| Organization | PLOOF, AMY |
| Phone | 248-452-2271 |
Population & Service
| Population Served | 63,600 |
| Service Connections | 19,391 |
Drinking Water Violations (19)
This water system has 19 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 2, 2009 | — | Stage 2 Disinfectants and Disinfection Byproducts Rule | MR | No | No | — | — | — | Resolved | Mar 25, 2010 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 2, 2009 | — | Stage 2 Disinfectants and Disinfection Byproducts Rule | MR | No | No | — | — | — | Resolved | Mar 25, 2010 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2008 | Jan 31, 2008 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jan 22, 2008 | Total Coliform Rule |
| Jan 1, 2008 | Jan 31, 2008 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jan 22, 2008 | Total Coliform Rule |
| Jan 1, 2008 | Jan 31, 2008 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jan 22, 2008 | Total Coliform Rule |
| Jan 1, 2008 | Jan 31, 2008 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jan 22, 2008 | Total Coliform Rule |
| Jan 1, 2008 | Jan 31, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 22, 2008 | Total Coliform Rule |
| Jan 1, 2008 | Jan 31, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 22, 2008 | Total Coliform Rule |
| Jan 1, 2008 | Jan 31, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 22, 2008 | Total Coliform Rule |
| Jan 1, 2008 | Jan 31, 2008 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 22, 2008 | Total Coliform Rule |
| Oct 1, 2007 | Sep 30, 2008 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2008 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2007 | Sep 30, 2008 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2008 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2007 | Sep 30, 2008 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2008 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2007 | Sep 30, 2008 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2008 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2005 | Mar 31, 2005 | Arsenic | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Mar 31, 2005 | Arsenic Rule |
| Jan 1, 2005 | Mar 31, 2005 | Arsenic | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Mar 31, 2005 | Arsenic Rule |
| Aug 1, 2003 | Aug 31, 2003 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 14, 2003 | Total Coliform Rule |
| Aug 1, 2003 | Aug 31, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 14, 2003 | Total Coliform Rule |
| Aug 1, 2003 | Aug 31, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 14, 2003 | Total Coliform Rule |
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.