Public water system · MI0040202
ActiveWillow Village
At a glance
Willow Village (PWSID MI0040202) is an active community water system in Ingham County, Michigan. It reports serving 25 people through 45 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 10 violations for this system; 3 are health-based, and the most recent began in January 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
25
Service connections
45
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Willow Village compare with other water systems in Ingham County?
By EPA's size categories, Willow Village is a very small system (500 people or fewer). Ingham County has 108 active public water systems. Its population served is well below the county average of 2,577 people per system, and accounts for less than 0.1% 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 Willow Village 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 Willow Village?
EPA lists Willow Village 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 Willow Village have drinking water violations?
EPA's records list 10 violations for this system; 3 are health-based, and the most recent began in January 2025. The violations listed here began between July 2003 and January 2025. By type: 5 public notice, recordkeeping or other, 2 contaminant level above the legal limit, 1 required treatment not met, 1 reporting and 1 monitoring and reporting. The contaminant or rule involved most often is Public Notice (2 of them). EPA lists 6 as resolved and 4 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-01-19 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2025-01-09 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2024-10-17 | Required treatment not metLSL Inventory · code 2E | Lead and Copper Rule Revisionscode 5200 | Yes | Unaddressed |
| 2024-10-17 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Unaddressed |
| 2023-12-30 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2006-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2006-09-01 | Public notice, recordkeeping or otherOperations Report · code 10 | Not reported | No | Resolved |
| 2006-07-01 | Public notice, recordkeeping or otherOperations Report · code 10 | Not reported | 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 |
| 2003-07-01 | Public notice, recordkeeping or otherOperations Report · code 10 | Not reported | No | Resolved |
All 10 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.
Willow Village: frequently asked questions
Who runs Willow Village?
Willow Village (PWSID MI0040202) is a community water system privately owned. It is regulated by the MI state drinking water program.
How many people does Willow Village serve?
Willow Village reports serving 25 people through 45 service connections in Ingham County, Michigan.
Where does Willow Village 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 Willow Village have any drinking water violations?
EPA's records list 10 violations for this system; 3 are health-based, and the most recent began in January 2025. 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 Willow Village'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 10 violations for this system; 3 are health-based, and the most recent began in January 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the MI state drinking water program.
Where can I find Willow Village's water quality report?
As a community water system, Willow Village 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, “Willow Village, PWSID MI0040202, Michigan”, https://aquacensus.com/water-systems/michigan/willow-village-mi0040202 (data as of October 1, 2026).