Public water system · MI2024050
ActiveWolcott Mill Metropk Mill-Site
At a glance
Wolcott Mill Metropk Mill-Site (PWSID MI2024050) is an active transient non-community water system in Macomb County, Michigan. It reports serving 50 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 2020.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
50
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Wolcott Mill Metropk Mill-Site compare with other water systems in Macomb County?
By EPA's size categories, Wolcott Mill Metropk Mill-Site is a very small system (500 people or fewer). Macomb County has 92 active public water systems. Its population served is well below the county average of 9,021 people per system, and accounts for less than 0.1% of the 829,966 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 Wolcott Mill Metropk Mill-Site is about 65% 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 Wolcott Mill Metropk Mill-Site?
EPA lists Wolcott Mill Metropk Mill-Site 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. 70 of the 92 active systems in Macomb County (76%) are also privately owned.
Does Wolcott Mill Metropk Mill-Site 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 2020. By type: 1 monitoring. The contaminant or rule involved is Revised Total Coliform Rule. 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 |
|---|---|---|---|---|
| 2020-01-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | 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.
Wolcott Mill Metropk Mill-Site: frequently asked questions
Who runs Wolcott Mill Metropk Mill-Site?
Wolcott Mill Metropk Mill-Site (PWSID MI2024050) is a transient non-community water system privately owned. It is regulated by the MI state drinking water program.
How many people does Wolcott Mill Metropk Mill-Site serve?
Wolcott Mill Metropk Mill-Site reports serving 50 people through 1 service connection in Macomb County, Michigan.
Where does Wolcott Mill Metropk Mill-Site 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 Wolcott Mill Metropk Mill-Site 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 2020. 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 Wolcott Mill Metropk Mill-Site'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 2020. For current results, consult EPA ECHO, or the MI state drinking water program.
Where can I find Wolcott Mill Metropk Mill-Site's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Wolcott Mill Metropk Mill-Site 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 Macomb County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Warren, City of | Macomb | 134,056 | Community | Purchased surface water |
| Sterling Heights, City of | Macomb | 127,000 | Community | Purchased surface water |
| Clinton Township | Macomb | 100,513 | Community | Purchased surface water |
| Macomb Township | Macomb | 90,000 | Community | Purchased surface water |
| Shelby Township | Macomb | 72,000 | Community | Purchased surface water |
| St. Clair Shores, City of | Macomb | 59,715 | Community | Purchased surface water |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Wolcott Mill Metropk Mill-Site, PWSID MI2024050, Michigan”, https://aquacensus.com/water-systems/michigan/wolcott-mill-metropk-mill-site-mi2024050 (data as of October 1, 2026).