Public water system · MI2022215
ActiveManthei Supply
At a glance
Manthei Supply (PWSID MI2022215) is an active transient non-community water system in Charlevoix County, Michigan. It reports serving 30 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 January 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
30
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Manthei Supply compare with other water systems in Charlevoix County?
By EPA's size categories, Manthei Supply is a very small system (500 people or fewer). Charlevoix County has 114 active public water systems. Its population served is well below the county average of 244 people per system, and accounts for 0.1% of the 27,792 people reported by systems filed under the county. Across Michigan, the 10,599 active systems average 847 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Manthei Supply is well below that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Michigan has 7,865 active transient non-community water systems, 74% 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 Manthei Supply?
EPA lists Manthei Supply 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. 102 of the 114 active systems in Charlevoix County (89%) are also privately owned.
Does Manthei Supply have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in January 2024. By type: 1 monitoring and reporting. The contaminant or rule involved is Nitrate. EPA lists 1 as archived. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Archived |
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.
Manthei Supply: frequently asked questions
Who runs Manthei Supply?
Manthei Supply (PWSID MI2022215) is a transient non-community water system privately owned. It is regulated by the MI state drinking water program.
How many people does Manthei Supply serve?
Manthei Supply reports serving 30 people through 1 service connection in Charlevoix County, Michigan.
Where does Manthei Supply 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 Manthei Supply 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 January 2024. 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 Manthei Supply'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 January 2024. For current results, consult EPA ECHO, or the MI state drinking water program.
Where can I find Manthei Supply's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Manthei Supply is a 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 Charlevoix County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Boyne City, City of | Charlevoix | 3,735 | Community | Groundwater |
| Charlevoix | Charlevoix | 3,124 | Community | Surface water |
| East Jordan, City of | Charlevoix | 2,215 | Community | Groundwater |
| Charlevoix Township | Charlevoix | 1,700 | Community | Groundwater |
| Lavender Hill Farm | Charlevoix | 1,015 | Transient non-community | Groundwater |
| Boyne Mountain Resort | Charlevoix | 950 | 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, “Manthei Supply, PWSID MI2022215, Michigan”, https://aquacensus.com/water-systems/michigan/manthei-supply-mi2022215 (data as of October 1, 2026).