MACKINAC ISLAND
Michigan — Community Water System — PWSID: MI0003970
System Information
| PWSID | MI0003970 |
| System Name | MACKINAC ISLAND |
| System Type | Community Water System |
| Water Source | Surface 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 | MACKINAC ISLAND |
| ZIP Code | 49757 |
| Address | PO BOX 515 |
| Organization | BURT, ALLEN |
| Phone | 906-847-6060 |
Population & Service
| Population Served | 583 |
| Service Connections | 662 |
Drinking Water Violations (14)
This water system has 14 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 1, 2023 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Nov 15, 2023 | Consumer Confidence Rule |
| Jul 1, 2023 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Nov 15, 2023 | Consumer Confidence Rule |
| Oct 1, 2020 | Sep 30, 2021 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2021 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2020 | Sep 30, 2021 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2021 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2020 | Sep 30, 2021 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2021 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2020 | Sep 30, 2021 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2021 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2020 | Sep 30, 2021 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2021 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2020 | Sep 30, 2021 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2021 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2018 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Oct 4, 2018 | Consumer Confidence Rule |
| Jul 1, 2018 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Oct 4, 2018 | Consumer Confidence Rule |
| Jul 1, 2001 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Dec 19, 2001 | Consumer Confidence Rule |
| Jul 1, 2001 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Dec 19, 2001 | Consumer Confidence Rule |
| Jan 1, 1994 | Dec 31, 1994 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1994 | Nitrate Rule |
| Apr 1, 1991 | Apr 30, 1991 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 1991 | 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.