Public water system · MI2036514
ActiveWolverine Mutual Insurance
At a glance
Wolverine Mutual Insurance (PWSID MI2036514) is an active non-transient non-community water system in Cass County, Michigan. It reports serving 41 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list one violation for this system; it is not health-based, and the most recent began in July 2022.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
41
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Wolverine Mutual Insurance compare with other water systems in Cass County?
By EPA's size categories, Wolverine Mutual Insurance is a very small system (500 people or fewer). Cass County has 135 active public water systems. Its population served is well below the county average of 251 people per system, and accounts for 0.1% of the 33,840 people reported by systems filed under the county. Across Michigan, the 10,599 active systems average 847 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Wolverine Mutual Insurance is well below that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Michigan has 1,402 active non-transient non-community water systems, 13% of the state's 10,599 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 10,214 Michigan systems (96%) list groundwater as their primary source.
Who owns and regulates Wolverine Mutual Insurance?
EPA lists Wolverine Mutual Insurance as privately owned. The MI state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 130 of the 135 active systems in Cass County (96%) are also privately owned.
Does Wolverine Mutual Insurance have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in July 2022. By type: 1 monitoring and reporting. The contaminant or rule involved is Lead and Copper Rule. EPA lists 1 as unaddressed. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2022-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Unaddressed |
The one violation in EPA's records.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Wolverine Mutual Insurance: frequently asked questions
Who runs Wolverine Mutual Insurance?
Wolverine Mutual Insurance (PWSID MI2036514) is a non-transient non-community water system privately owned. It is regulated by the MI state drinking water program.
How many people does Wolverine Mutual Insurance serve?
Wolverine Mutual Insurance reports serving 41 people through 1 service connection in Cass County, Michigan.
Where does Wolverine Mutual Insurance get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Wolverine Mutual Insurance have any drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in July 2022. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Wolverine Mutual Insurance's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list one violation for this system; it is not health-based, and the most recent began in July 2022. For current results, consult EPA ECHO, or the MI state drinking water program.
Where can I find Wolverine Mutual Insurance's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Wolverine Mutual Insurance is a non-transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Cass County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Dowagiac | Cass | 6,350 | Community | Groundwater |
| Cassopolis | Cass | 1,815 | Community | Groundwater |
| Cass County Water System | Cass | 1,350 | Community | Groundwater |
| Edwardsburg | Cass | 1,260 | Community | Groundwater |
| Marcellus | Cass | 1,198 | Community | Groundwater |
| Howard-Ellis Elementary | Cass | 780 | Non-transient non-community | Groundwater |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Wolverine Mutual Insurance, PWSID MI2036514, Michigan”, https://aquacensus.com/water-systems/michigan/wolverine-mutual-insurance-mi2036514 (data as of October 1, 2026).