Skip to content
AquaCensus

Public water system · MI0003780

Active

Lapeer, City of

At a glance

City of Lapeer (PWSID MI0003780) is an active community water system in Lapeer County, Michigan. It reports serving 9,023 people through 3,400 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in January 2024.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

9,023

Service connections

3,400

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDMI0003780
System typeCommunity water system
Activity statusActive
Population served9,023
Service connections3,400
Primary water sourcePurchased surface water
Owner typeLocal government
Primacy agencyMI state drinking water program
City servedLapeer
StateMichigan
ZIP—
CountyLapeer County

How does City of Lapeer compare with other water systems in Lapeer County?

By EPA's size categories, City of Lapeer is a medium system (3,301 to 10,000 people). Lapeer County has 235 active public water systems, and City of Lapeer is the largest of them by population served. Its population served is about 43 times the county average of 208 people per system, and accounts for 18% 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 Lapeer is about 35% above 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 Lapeer?

EPA lists City of Lapeer 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 Lapeer have drinking water violations?

Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in January 2024. The violations listed here began between January 2016 and January 2024. By type: 9 monitoring and reporting, 2 required treatment not met and 1 monitoring. The contaminant or rule involved most often is Lead and Copper Rule (3 of them). EPA lists 12 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.

BeganViolationContaminant or ruleHealth-basedStatus
2024-01-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2023-01-01Required treatment not metWQP Entry Point/Tap Treatment Technique Non-Compliance · code 59Lead and Copper Rulecode 5000YesResolved
2022-10-01Monitoring and reportingMonitoring, Regular · code 03Arseniccode 1005NoResolved
2022-07-01Required treatment not metWQP Entry Point/Tap Treatment Technique Non-Compliance · code 59Lead and Copper Rulecode 5000YesResolved
2019-08-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 03Arseniccode 1005NoResolved
2016-01-01Monitoring and reportingMonitoring, Regular · code 03Mercurycode 1035NoResolved
2016-01-01Monitoring and reportingMonitoring, Regular · code 03Arseniccode 1005NoResolved
2016-01-01Monitoring and reportingMonitoring, Regular · code 03Thalliumcode 1085NoResolved
2016-01-01Monitoring and reportingMonitoring, Regular · code 03Berylliumcode 1075NoResolved
2016-01-01Monitoring and reportingMonitoring, Regular · code 03Bariumcode 1010NoResolved
2016-01-01Monitoring and reportingMonitoring, Regular · code 03Cadmiumcode 1015NoResolved

The 12 most recent 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 Lapeer: frequently asked questions

Who runs City of Lapeer?

City of Lapeer (PWSID MI0003780) 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 Lapeer serve?

City of Lapeer reports serving 9,023 people through 3,400 service connections in Lapeer County, Michigan.

Where does City of Lapeer 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 Lapeer have any drinking water violations?

Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in January 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 Lapeer'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. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in January 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 Lapeer's water quality report?

As a community water system, City of Lapeer 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 systemCountyPopulation servedTypeSource
Imlay City, City ofLapeer3,579CommunityPurchased surface water
Almont, Village ofLapeer2,674CommunityPurchased surface water
Dryden, Village ofLapeer1,034CommunityGroundwater
North Branch, Village ofLapeer1,021CommunityGroundwater
Michigan Christian Youth Camp-Dorms4,5,6Lapeer1,000Transient non-communityGroundwater
Michigan Christian Youth Camp-LodgeLapeer1,000Transient non-communityGroundwater

Related pages

Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

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, “Lapeer, City of, PWSID MI0003780, Michigan”, https://aquacensus.com/water-systems/michigan/lapeer-city-of-mi0003780 (data as of October 1, 2026).