Public water system · MI0002837
ActiveGreenfield Estates
At a glance
Greenfield Estates (PWSID MI0002837) is an active community water system in Allegan County, Michigan. It reports serving 68 people through 23 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 5 violations for this system; 3 are health-based, and the most recent began in August 2009.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
68
Service connections
23
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Greenfield Estates compare with other water systems in Allegan County?
By EPA's size categories, Greenfield Estates is a very small system (500 people or fewer). Allegan County has 302 active public water systems. Its population served is well below the county average of 345 people per system, and accounts for less than 0.1% of the 104,093 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 Greenfield Estates 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 Greenfield Estates?
EPA lists Greenfield Estates 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. 285 of the 302 active systems in Allegan County (94%) are also privately owned.
Does Greenfield Estates have drinking water violations?
EPA's records list 5 violations for this system; 3 are health-based, and the most recent began in August 2009. The violations listed here began between July 2003 and August 2009. By type: 3 contaminant level above the legal limit and 2 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 5 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 |
|---|---|---|---|---|
| 2009-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2007-11-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2004-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2003-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2003-07-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
All 5 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.
Greenfield Estates: frequently asked questions
Who runs Greenfield Estates?
Greenfield Estates (PWSID MI0002837) is a community water system privately owned. It is regulated by the MI state drinking water program.
How many people does Greenfield Estates serve?
Greenfield Estates reports serving 68 people through 23 service connections in Allegan County, Michigan.
Where does Greenfield Estates 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 Greenfield Estates have any drinking water violations?
EPA's records list 5 violations for this system; 3 are health-based, and the most recent began in August 2009. 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 Greenfield Estates' 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 5 violations for this system; 3 are health-based, and the most recent began in August 2009. For current results, consult the system's annual water quality report, EPA ECHO, or the MI state drinking water program.
Where can I find Greenfield Estates' water quality report?
As a community water system, Greenfield Estates 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 Allegan County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Allegan | Allegan | 5,930 | Community | Groundwater |
| Kalamazoo Lake Sewer & Water Authority | Allegan | 5,000 | Community | Groundwater |
| Wayland | Allegan | 4,435 | Community | Groundwater |
| Otsego | Allegan | 4,120 | Community | Groundwater |
| Plainwell | Allegan | 3,998 | Community | Groundwater |
| Bittersweet Ski Resort Inc. | Allegan | 3,500 | 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, “Greenfield Estates, PWSID MI0002837, Michigan”, https://aquacensus.com/water-systems/michigan/greenfield-estates-mi0002837 (data as of October 1, 2026).