Public water system · MI0001290

Active

Center Line, City of

At a glance

City of Center Line (PWSID MI0001290) is an active community water system in Macomb County, Michigan. It reports serving 8,257 people through 2,690 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 11 violations for this system; none is health-based, and the most recent began in January 2025.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

8,257

Service connections

2,690

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDMI0001290

System typeCommunity water system

Activity statusActive

Population served8,257

Service connections2,690

Primary water sourcePurchased surface water

Owner typeLocal government

Primacy agencyMI state drinking water program

City servedCenter Line

StateMichigan

ZIP—

CountyMacomb County

How does City of Center Line compare with other water systems in Macomb County?

By EPA's size categories, City of Center Line is a medium system (3,301 to 10,000 people). Macomb County has 92 active public water systems. Its population served is roughly in line with the county average of 9,021 people per system, and accounts for 1% 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 City of Center Line is about 23% 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 Center Line?

EPA lists City of Center Line 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 City of Center Line have drinking water violations?

EPA's records list 11 violations for this system; none is health-based, and the most recent began in January 2025. The violations listed here began between October 2007 and January 2025. By type: 10 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Lead and Copper Rule (3 of them). EPA lists 11 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
2025-01-01	Monitoring and reportingLead Consumer Notice · code 66	Lead and Copper Rulecode 5000	No	Resolved
2024-01-01	Monitoring and reportingLead Consumer Notice · code 66	Lead and Copper Rulecode 5000	No	Resolved
2022-10-11	Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52	Lead and Copper Rulecode 5000	No	Resolved
2017-08-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Total trihalomethanes (TTHM)code 2950	No	Resolved
2017-08-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Haloacetic acids (HAA5)code 2456	No	Resolved
2014-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	No	Resolved
2013-01-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Total trihalomethanes (TTHM)code 2950	No	Resolved
2013-01-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Haloacetic acids (HAA5)code 2456	No	Resolved
2009-01-02	Monitoring and reportingFailure Submit IDSE/Subpart V Plan Rpt · code 35	Stage 2 Disinfectants and Disinfection Byproducts Rulecode 0600	No	Resolved
2007-10-01	Monitoring and reportingMonitoring, Routine (IDSE) · code 30	Haloacetic acids (HAA5)code 2456	No	Resolved
2007-10-01	Monitoring and reportingMonitoring, Routine (IDSE) · code 30	Total trihalomethanes (TTHM)code 2950	No	Resolved

All 11 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 Center Line: frequently asked questions

Who runs City of Center Line?

City of Center Line (PWSID MI0001290) 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 Center Line serve?

City of Center Line reports serving 8,257 people through 2,690 service connections in Macomb County, Michigan.

Where does City of Center Line 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 Center Line have any drinking water violations?

EPA's records list 11 violations for this system; none is health-based, and the most recent began in January 2025. 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 Center Line'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 11 violations for this system; none is health-based, and the most recent began in January 2025. 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 Center Line's water quality report?

As a community water system, City of Center Line 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, “Center Line, City of, PWSID MI0001290, Michigan”, https://aquacensus.com/water-systems/michigan/center-line-city-of-mi0001290 (data as of October 1, 2026).