Public water system · MI0040184
ActiveSomerset Centre Estates
At a glance
Somerset Centre Estates (PWSID MI0040184) is an active community water system in Hillsdale County, Michigan. It reports serving 368 people through 147 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 6 violations for this system; none is health-based, and the most recent began in January 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
368
Service connections
147
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Somerset Centre Estates compare with other water systems in Hillsdale County?
By EPA's size categories, Somerset Centre Estates is a very small system (500 people or fewer). Hillsdale County has 90 active public water systems. Its population served is about 13% above the county average of 325 people per system, and accounts for 1.3% of the 29,262 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 Somerset Centre 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 Somerset Centre Estates?
EPA lists Somerset Centre 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. 84 of the 90 active systems in Hillsdale County (93%) are also privately owned.
Does Somerset Centre Estates have drinking water violations?
EPA's records list 6 violations for this system; none is health-based, and the most recent began in January 2023. The violations listed here began between July 2015 and January 2023. By type: 3 monitoring and reporting, 2 public notice, recordkeeping or other and 1 monitoring. The contaminant or rule involved most often is Lead and Copper Rule (2 of them). EPA lists 6 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 |
|---|---|---|---|---|
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2020-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2020-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2017-10-11 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2017-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2015-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
All 6 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.
Somerset Centre Estates: frequently asked questions
Who runs Somerset Centre Estates?
Somerset Centre Estates (PWSID MI0040184) is a community water system privately owned. It is regulated by the MI state drinking water program.
How many people does Somerset Centre Estates serve?
Somerset Centre Estates reports serving 368 people through 147 service connections in Hillsdale County, Michigan.
Where does Somerset Centre 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 Somerset Centre Estates have any drinking water violations?
EPA's records list 6 violations for this system; none is health-based, and the most recent began in January 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 Somerset Centre 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 6 violations for this system; none is health-based, and the most recent began in January 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 Somerset Centre Estates' water quality report?
As a community water system, Somerset Centre 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 Hillsdale County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Hillsdale | Hillsdale | 8,163 | Community | Groundwater |
| Jonesville | Hillsdale | 2,258 | Community | Groundwater |
| Litchfield | Hillsdale | 1,310 | Community | Groundwater |
| Reading | Hillsdale | 1,078 | Community | Groundwater |
| Hillsdale American Legion #53 | Hillsdale | 780 | Transient non-community | Groundwater |
| Michindoh Conference Center | Hillsdale | 779 | 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, “Somerset Centre Estates, PWSID MI0040184, Michigan”, https://aquacensus.com/water-systems/michigan/somerset-centre-estates-mi0040184 (data as of October 1, 2026).