Public water system · MI2079947
ActiveGm Proving Grounds Bldg. 54
At a glance
Gm Proving Grounds Bldg. 54 (PWSID MI2079947) is an active transient non-community water system in Livingston County, Michigan. It reports serving 32 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 4 violations for this system; 3 are health-based, and the most recent began in July 2013.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
32
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Gm Proving Grounds Bldg. 54 compare with other water systems in Livingston County?
By EPA's size categories, Gm Proving Grounds Bldg. 54 is a very small system (500 people or fewer). Livingston County has 425 active public water systems. Its population served is well below the county average of 314 people per system, and accounts for less than 0.1% of the 133,320 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 Gm Proving Grounds Bldg. 54 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 Gm Proving Grounds Bldg. 54?
EPA lists Gm Proving Grounds Bldg. 54 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. 386 of the 425 active systems in Livingston County (91%) are also privately owned.
Does Gm Proving Grounds Bldg. 54 have drinking water violations?
EPA's records list 4 violations for this system; 3 are health-based, and the most recent began in July 2013. The violations listed here began between August 2005 and July 2013. By type: 3 contaminant level above the legal limit and 1 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 4 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 |
|---|---|---|---|---|
| 2013-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2007-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2007-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2005-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 4 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.
Gm Proving Grounds Bldg. 54: frequently asked questions
Who runs Gm Proving Grounds Bldg. 54?
Gm Proving Grounds Bldg. 54 (PWSID MI2079947) is a transient non-community water system privately owned. It is regulated by the MI state drinking water program.
How many people does Gm Proving Grounds Bldg. 54 serve?
Gm Proving Grounds Bldg. 54 reports serving 32 people through 1 service connection in Livingston County, Michigan.
Where does Gm Proving Grounds Bldg. 54 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 Gm Proving Grounds Bldg. 54 have any drinking water violations?
EPA's records list 4 violations for this system; 3 are health-based, and the most recent began in July 2013. 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 Gm Proving Grounds Bldg. 54'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 4 violations for this system; 3 are health-based, and the most recent began in July 2013. For current results, consult EPA ECHO, or the MI state drinking water program.
Where can I find Gm Proving Grounds Bldg. 54's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Gm Proving Grounds Bldg. 54 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 Livingston County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Mhog Sewer & Water Authority | Livingston | 17,046 | Community | Groundwater |
| Brighton, City of | Livingston | 10,210 | Community | Groundwater |
| Howell, City of | Livingston | 9,914 | Community | Groundwater |
| Livingston Community Water Authority | Livingston | 4,152 | Community | Groundwater |
| Hartland Township | Livingston | 3,022 | Community | Groundwater |
| Chilson Commons / Kroger | Livingston | 3,000 | 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, “Gm Proving Grounds Bldg. 54, PWSID MI2079947, Michigan”, https://aquacensus.com/water-systems/michigan/gm-proving-grounds-bldg-54-mi2079947 (data as of October 1, 2026).