Public water system · MI0040203
ActiveWindmill Park
At a glance
Windmill Park (PWSID MI0040203) is an active community water system in Ingham County, Michigan. It reports serving 950 people through 484 service connections. 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 July 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
950
Service connections
484
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Windmill Park compare with other water systems in Ingham County?
By EPA's size categories, Windmill Park is a small system (501 to 3,300 people). Ingham County has 108 active public water systems. Its population served is about 63% below the county average of 2,577 people per system, and accounts for 0.3% of the 278,352 people reported by systems filed under the county. Across Michigan, the 10,599 active systems average 847 people each. Nationally, the average active community water system reports serving 6,703 people, so Windmill Park is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Michigan has 1,332 active 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 Windmill Park?
EPA lists Windmill Park 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. 94 of the 108 active systems in Ingham County (87%) are also privately owned.
Does Windmill Park have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in July 2023. By type: 1 public notice, recordkeeping or other. The contaminant or rule involved is Consumer Confidence Rule. 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 |
|---|---|---|---|---|
| 2023-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | 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.
Windmill Park: frequently asked questions
Who runs Windmill Park?
Windmill Park (PWSID MI0040203) is a community water system privately owned. It is regulated by the MI state drinking water program.
How many people does Windmill Park serve?
Windmill Park reports serving 950 people through 484 service connections in Ingham County, Michigan.
Where does Windmill Park 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 Windmill Park 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 July 2023. 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 Windmill Park'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 July 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the MI state drinking water program.
Where can I find Windmill Park's water quality report?
As a community water system, Windmill Park must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Ingham County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Lansing Board of Water & Light | Ingham | 166,000 | Community | Groundwater |
| East Lansing, City of | Ingham | 33,000 | Community | Purchased groundwater |
| Meridian Township | Ingham | 25,600 | Community | Purchased groundwater |
| Michigan State University | Ingham | 12,793 | Community | Groundwater |
| Mason, City of | Ingham | 8,252 | Community | Groundwater |
| Lansing Township | Ingham | 5,500 | 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, “Windmill Park, PWSID MI0040203, Michigan”, https://aquacensus.com/water-systems/michigan/windmill-park-mi0040203 (data as of October 1, 2026).