Public water system · MI2249463
ActiveHart Community Center- Mill Pond
At a glance
Hart Community Center- Mill Pond (PWSID MI2249463) is an active transient non-community water system in Oakland County, Michigan. It reports serving 55 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 1999.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
55
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Hart Community Center- Mill Pond compare with other water systems in Oakland County?
By EPA's size categories, Hart Community Center- Mill Pond is a very small system (500 people or fewer). Oakland County has 734 active public water systems. Its population served is well below the county average of 1,561 people per system, and accounts for less than 0.1% of the 1,145,905 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 Hart Community Center- Mill Pond is about 62% 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 Hart Community Center- Mill Pond?
EPA lists Hart Community Center- Mill Pond 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. 638 of the 734 active systems in Oakland County (87%) are also privately owned.
Does Hart Community Center- Mill Pond 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 1999. By type: 1 monitoring and reporting. The contaminant or rule involved is Nitrate. EPA lists 1 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 |
|---|---|---|---|---|
| 1999-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
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.
Hart Community Center- Mill Pond: frequently asked questions
Who runs Hart Community Center- Mill Pond?
Hart Community Center- Mill Pond (PWSID MI2249463) is a transient non-community water system privately owned. It is regulated by the MI state drinking water program.
How many people does Hart Community Center- Mill Pond serve?
Hart Community Center- Mill Pond reports serving 55 people through 1 service connection in Oakland County, Michigan.
Where does Hart Community Center- Mill Pond 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 Hart Community Center- Mill Pond 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 1999. 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 Hart Community Center- Mill Pond'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 1999. For current results, consult EPA ECHO, or the MI state drinking water program.
Where can I find Hart Community Center- Mill Pond's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Hart Community Center- Mill Pond 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 Oakland County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Troy | Oakland | 85,854 | Community | Purchased surface water |
| Rochester Hills | Oakland | 74,000 | Community | Purchased surface water |
| Waterford Township | Oakland | 73,441 | Community | Groundwater |
| Southfield | Oakland | 71,739 | Community | Purchased surface water |
| Pontiac | Oakland | 63,776 | Community | Purchased surface water |
| Royal Oak, City of | Oakland | 57,236 | Community | Purchased surface water |
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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, “Hart Community Center- Mill Pond, PWSID MI2249463, Michigan”, https://aquacensus.com/water-systems/michigan/hart-community-center-mill-pond-mi2249463 (data as of October 1, 2026).