Public water system · MI0004120
ActiveMarquette
At a glance
Marquette (PWSID MI0004120) is an active community water system in Marquette County, Michigan. It reports serving 20,629 people through 6,856 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
20,629
Service connections
6,856
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Marquette compare with other water systems in Marquette County?
By EPA's size categories, Marquette is a large system (10,001 to 100,000 people). Marquette County has 89 active public water systems, and Marquette is the largest of them by population served. Its population served is about 33 times the county average of 625 people per system, and accounts for 37% of the 55,581 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 Marquette is about 3.1 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 68 Michigan systems (0.6%) list surface water as their primary source.
Who owns and regulates Marquette?
EPA lists Marquette 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. 18 of the 89 active systems in Marquette County (20%) are also owned by a local government.
Does Marquette have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 2025. The violations listed here began between January 2015 and October 2025. By type: 10 monitoring and reporting, 1 required treatment not met and 1 public notice, recordkeeping or other. The contaminants or rules involved are Lead and Copper Rule, Carbon, total, Consumer Confidence Rule and Chlorobenzene. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-10-12 | Required treatment not metPublic Education · code 65 | Lead and Copper Rulecode 5000 | Yes | Resolved |
| 2018-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Carbon, totalcode 2920 | No | Resolved |
| 2017-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2015-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chlorobenzenecode 2989 | No | Resolved |
| 2015-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dichloropropanecode 2983 | No | Resolved |
| 2015-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Carbon tetrachloridecode 2982 | No | Resolved |
| 2015-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1,2-Trichloroethanecode 2985 | No | Resolved |
| 2015-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Ethylbenzenecode 2992 | No | Resolved |
| 2015-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Benzenecode 2990 | No | Resolved |
| 2015-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Vinyl chloridecode 2976 | No | Resolved |
| 2015-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1,1-Trichloroethanecode 2981 | No | Resolved |
| 2015-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1-Dichloroethylenecode 2977 | No | Resolved |
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.
Marquette: frequently asked questions
Who runs Marquette?
Marquette (PWSID MI0004120) is a community water system owned by a local government. It is regulated by the MI state drinking water program.
How many people does Marquette serve?
Marquette reports serving 20,629 people through 6,856 service connections in Marquette County, Michigan.
Where does Marquette get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Marquette have any drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 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 Marquette'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, one is health-based, and the most recent began in October 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 Marquette's water quality report?
As a community water system, Marquette 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 Marquette County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Ishpeming | Marquette | 6,470 | Community | Purchased groundwater |
| Negaunee | Marquette | 4,568 | Community | Purchased groundwater |
| K I Sawyer | Marquette | 3,000 | Community | Groundwater |
| Marquette Township | Marquette | 2,700 | Community | Purchased surface water |
| Forsyth Township | Marquette | 2,479 | Community | Groundwater |
| Ishpeming Twp - West | Marquette | 2,148 | 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, “Marquette, PWSID MI0004120, Michigan”, https://aquacensus.com/water-systems/michigan/marquette-mi0004120 (data as of October 1, 2026).