Public water system · MI0001390
ActiveChesterfield Township
At a glance
Chesterfield Township (PWSID MI0001390) is an active community water system in Macomb County, Michigan. It reports serving 41,650 people through 18,464 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 5 violations for this system; none is health-based, and the most recent began in July 2021.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
41,650
Service connections
18,464
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Chesterfield Township compare with other water systems in Macomb County?
By EPA's size categories, Chesterfield Township is a large system (10,001 to 100,000 people). Macomb County has 92 active public water systems. Its population served is about 4.6 times the county average of 9,021 people per system, and accounts for 5% 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 community water system reports serving 6,703 people, so Chesterfield Township is about 6.2 times 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. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 262 Michigan systems (2.5%) list purchased surface water as their primary source.
Who owns and regulates Chesterfield Township?
EPA lists Chesterfield Township as owned by a local government. 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. 22 of the 92 active systems in Macomb County (24%) are also owned by a local government.
Does Chesterfield Township have drinking water violations?
EPA's records list 5 violations for this system; none is health-based, and the most recent began in July 2021. The violations listed here began between July 2001 and July 2021. By type: 3 public notice, recordkeeping or other and 2 monitoring and reporting. The contaminant or rule involved most often is Consumer Confidence Rule (3 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 |
|---|---|---|---|---|
| 2021-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2013-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2013-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2005-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2001-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | 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.
Chesterfield Township: frequently asked questions
Who runs Chesterfield Township?
Chesterfield Township (PWSID MI0001390) is a community water system owned by a local government. It is regulated by the MI state drinking water program.
How many people does Chesterfield Township serve?
Chesterfield Township reports serving 41,650 people through 18,464 service connections in Macomb County, Michigan.
Where does Chesterfield Township get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does Chesterfield Township have any drinking water violations?
EPA's records list 5 violations for this system; none is health-based, and the most recent began in July 2021. 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 Chesterfield Township'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 5 violations for this system; none is health-based, and the most recent began in July 2021. For current results, consult the system's annual water quality report, EPA ECHO, or the MI state drinking water program.
Where can I find Chesterfield Township's water quality report?
As a community water system, Chesterfield Township 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 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 |
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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, “Chesterfield Township, PWSID MI0001390, Michigan”, https://aquacensus.com/water-systems/michigan/chesterfield-township-mi0001390 (data as of October 1, 2026).