WILLIAMSTON, CITY OF
Michigan — Community Water System — PWSID: MI0007120
System Information
| PWSID | MI0007120 |
| System Name | WILLIAMSTON, CITY OF |
| 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 | Dec 18, 2025 |
Location & Contact
| State | Michigan |
| City | WILLIAMSTON |
| ZIP Code | 48895 |
| Address | 781 PROGRESS CT |
| Organization | HANIFAN, JOHN |
| Phone | — |
Population & Service
| Population Served | 3,917 |
| Service Connections | 1,590 |
Drinking Water Violations (1)
This water system has 1 violation 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, 2019 | Jun 30, 2020 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Jun 30, 2020 | Stage 2 Disinfectants and Disinfection Byproducts 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.