Public water system · MI2051911
ActiveMdot Coloma Garage
At a glance
Mdot Coloma Garage (PWSID MI2051911) is an active non-transient non-community water system in Berrien County, Michigan. It reports serving 32 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as owned by a state government. EPA's records list 3 violations for this system; all are health-based, and the most recent began in September 2005.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
32
Service connections
2
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Mdot Coloma Garage compare with other water systems in Berrien County?
By EPA's size categories, Mdot Coloma Garage is a very small system (500 people or fewer). Berrien County has 196 active public water systems. Its population served is well below the county average of 669 people per system, and accounts for less than 0.1% of the 131,038 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 Mdot Coloma Garage 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 Mdot Coloma Garage?
EPA lists Mdot Coloma Garage as owned by a state government. 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. 3 of the 196 active systems in Berrien County (1.5%) are also owned by a state government.
Does Mdot Coloma Garage have drinking water violations?
EPA's records list 3 violations for this system; all are health-based, and the most recent began in September 2005. The violations listed here began between October 2001 and September 2005. By type: 3 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 3 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2005-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2004-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2001-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 3 violations in EPA's records, newest first.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.
Mdot Coloma Garage: frequently asked questions
Who runs Mdot Coloma Garage?
Mdot Coloma Garage (PWSID MI2051911) is a non-transient non-community water system owned by a state government. It is regulated by the MI state drinking water program.
How many people does Mdot Coloma Garage serve?
Mdot Coloma Garage reports serving 32 people through 2 service connections in Berrien County, Michigan.
Where does Mdot Coloma Garage 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 Mdot Coloma Garage have any drinking water violations?
EPA's records list 3 violations for this system; all are health-based, and the most recent began in September 2005. 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 Mdot Coloma Garage'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 3 violations for this system; all are health-based, and the most recent began in September 2005. For current results, consult EPA ECHO, or the MI state drinking water program.
Where can I find Mdot Coloma Garage's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Mdot Coloma Garage 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 Berrien County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Southwest Michigan Regional Sanitary Sew | Berrien | 26,780 | Community | Purchased surface water |
| Niles | Berrien | 14,215 | Community | Groundwater |
| Benton Harbor | Berrien | 9,103 | Community | Surface water |
| St Joseph | Berrien | 7,930 | Community | Surface water |
| Benton Charter Township | Berrien | 6,768 | Community | Surface water |
| Buchanan | Berrien | 4,871 | 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, “Mdot Coloma Garage, PWSID MI2051911, Michigan”, https://aquacensus.com/water-systems/michigan/mdot-coloma-garage-mi2051911 (data as of October 1, 2026).