Public water system · MI0003340
ActiveImlay City, City of
At a glance
City of Imlay City (PWSID MI0003340) is an active community water system in Lapeer County, Michigan. It reports serving 3,579 people through 2,055 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in September 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
3,579
Service connections
2,055
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does City of Imlay City compare with other water systems in Lapeer County?
By EPA's size categories, City of Imlay City is a medium system (3,301 to 10,000 people). Lapeer County has 235 active public water systems, and City of Imlay City is the 2nd-largest of them by population served. Its population served is about 17 times the county average of 208 people per system, and accounts for 7.3% of the 48,773 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 City of Imlay City is about half of 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 City of Imlay City?
EPA lists City of Imlay City 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. 9 of the 235 active systems in Lapeer County (3.8%) are also owned by a local government.
Does City of Imlay City have drinking water violations?
EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in September 2024. The violations listed here began between January 2002 and September 2024. By type: 4 monitoring and reporting, 1 monitoring and 1 required treatment not met. The contaminant or rule involved most often is Total coliform bacteria (TCR) (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 |
|---|---|---|---|---|
| 2024-09-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2022-07-01 | Required treatment not metWQP Entry Point/Tap Treatment Technique Non-Compliance · code 59 | Lead and Copper Rulecode 5000 | Yes | Resolved |
| 2013-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2013-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2007-06-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2002-01-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | 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.
City of Imlay City: frequently asked questions
Who runs City of Imlay City?
City of Imlay City (PWSID MI0003340) is a community water system owned by a local government. It is regulated by the MI state drinking water program.
How many people does City of Imlay City serve?
City of Imlay City reports serving 3,579 people through 2,055 service connections in Lapeer County, Michigan.
Where does City of Imlay City 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 City of Imlay City have any drinking water violations?
EPA's records list 6 violations for this system; 1 is health-based, and the most recent began in September 2024. 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 City of Imlay City'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 6 violations for this system; 1 is health-based, and the most recent began in September 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the MI state drinking water program.
Where can I find City of Imlay City's water quality report?
As a community water system, City of Imlay City 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 Lapeer County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Lapeer, City of | Lapeer | 9,023 | Community | Purchased surface water |
| Almont, Village of | Lapeer | 2,674 | Community | Purchased surface water |
| Dryden, Village of | Lapeer | 1,034 | Community | Groundwater |
| North Branch, Village of | Lapeer | 1,021 | Community | Groundwater |
| Michigan Christian Youth Camp-Lodge | Lapeer | 1,000 | Transient non-community | Groundwater |
| Michigan Christian Youth Camp-Dorms4,5,6 | Lapeer | 1,000 | 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, “Imlay City, City of, PWSID MI0003340, Michigan”, https://aquacensus.com/water-systems/michigan/imlay-city-city-of-mi0003340 (data as of October 1, 2026).