OWOSSO, CITY OF
Michigan — Community Water System — PWSID: MI0005120
System Information
| PWSID | MI0005120 |
| System Name | OWOSSO, CITY OF |
| 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 | OWOSSO |
| ZIP Code | 48867 |
| Address | 301 W MAIN ST |
| Organization | SUCHANEK, RYAN |
| Phone | 989-725-0555 |
Population & Service
| Population Served | 16,353 |
| Service Connections | 6,340 |
Drinking Water Violations (16)
This water system has 16 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 1, 2023 | Dec 31, 2023 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2023 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2023 | Dec 31, 2023 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2023 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2023 | Dec 31, 2023 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2023 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2023 | Dec 31, 2023 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2023 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2023 | Dec 31, 2023 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2023 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2023 | Dec 31, 2023 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2023 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2023 | Dec 31, 2023 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2023 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2023 | Dec 31, 2023 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2023 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Nov 13, 2022 | — | Revised Total Coliform Rule | TT | Yes | No | — | — | — | Resolved | Nov 14, 2022 | Revised Total Coliform Rule |
| Nov 13, 2022 | — | Revised Total Coliform Rule | TT | Yes | No | — | — | — | Resolved | Nov 14, 2022 | Revised Total Coliform Rule |
| Nov 13, 2022 | — | Revised Total Coliform Rule | TT | Yes | No | — | — | — | Resolved | Nov 14, 2022 | Revised Total Coliform Rule |
| Nov 13, 2022 | — | Revised Total Coliform Rule | TT | Yes | No | — | — | — | Resolved | Nov 14, 2022 | Revised Total Coliform Rule |
| Oct 14, 2022 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Nov 8, 2022 | Ground Water Rule |
| Oct 14, 2022 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Nov 8, 2022 | Ground Water Rule |
| Oct 14, 2022 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Nov 8, 2022 | Ground Water Rule |
| Oct 14, 2022 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Nov 8, 2022 | Ground Water 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.