FLAT ROCK
Michigan — Community Water System — PWSID: MI0002300
System Information
| PWSID | MI0002300 |
| System Name | FLAT ROCK |
| 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 | Mar 30, 2026 |
Location & Contact
| State | Michigan |
| City | FLAT ROCK |
| ZIP Code | 48134 |
| Address | 25500 GIBRALTAR RD |
| Organization | HOLTZ, ERIC |
| Phone | 734-782-2470 |
Population & Service
| Population Served | 10,541 |
| Service Connections | 3,173 |
Drinking Water Violations (12)
This water system has 12 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Aug 1, 2025 | Aug 31, 2025 | TT | Yes | No | — | — | — | Archived | Aug 31, 2025 | — | |
| Aug 1, 2025 | Aug 31, 2025 | TT | Yes | No | — | — | — | Archived | Aug 31, 2025 | — | |
| Aug 1, 2022 | Sep 30, 2022 | TT | Yes | No | — | — | — | Resolved | Sep 30, 2022 | — | |
| Aug 1, 2022 | Sep 30, 2022 | TT | Yes | No | — | — | — | Resolved | Sep 30, 2022 | — | |
| Aug 1, 2022 | Sep 30, 2022 | TT | Yes | No | — | — | — | Resolved | Sep 30, 2022 | — | |
| Aug 1, 2022 | Sep 30, 2022 | TT | Yes | No | — | — | — | Resolved | Sep 30, 2022 | — | |
| Oct 1, 2020 | Sep 30, 2021 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2021 | — | |
| Oct 1, 2020 | Sep 30, 2021 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2021 | — | |
| Oct 1, 2020 | Sep 30, 2021 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2021 | — | |
| Oct 1, 2020 | Sep 30, 2021 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2021 | — | |
| Oct 1, 2020 | Sep 30, 2021 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2021 | — | |
| Oct 1, 2020 | Sep 30, 2021 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2021 | — |
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.