Public water system · MI0003440
ActiveIshpeming
At a glance
Ishpeming (PWSID MI0003440) is an active community water system in Marquette County, Michigan. It reports serving 6,470 people through 2,638 service connections. Its primary water source is purchased groundwater, and EPA lists it as owned by a local government. EPA's records list 2 violations for this system; none is health-based, and the most recent began in November 2018.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
6,470
Service connections
2,638
Primary source
GWP
Purchased groundwater
System type
CWS
Community water system
System record
How does Ishpeming compare with other water systems in Marquette County?
By EPA's size categories, Ishpeming is a medium system (3,301 to 10,000 people). Marquette County has 89 active public water systems, and Ishpeming is the 2nd-largest of them by population served. Its population served is about 10 times the county average of 625 people per system, and accounts for 12% 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 Ishpeming is roughly in line with 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 groundwater means the system buys groundwater from another public water system rather than drawing its own. 42 Michigan systems (0.4%) list purchased groundwater as their primary source.
Who owns and regulates Ishpeming?
EPA lists Ishpeming 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 Ishpeming have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in November 2018. The violations listed here began between June 1991 and November 2018. By type: 2 monitoring and reporting. The contaminants or rules involved are Total trihalomethanes (TTHM) and Total coliform bacteria (TCR). EPA lists 2 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 |
|---|---|---|---|---|
| 2018-11-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 1991-06-01 | Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 2 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.
Ishpeming: frequently asked questions
Who runs Ishpeming?
Ishpeming (PWSID MI0003440) is a community water system owned by a local government. It is regulated by the MI state drinking water program.
How many people does Ishpeming serve?
Ishpeming reports serving 6,470 people through 2,638 service connections in Marquette County, Michigan.
Where does Ishpeming get its water?
EPA SDWIS lists this system's primary water source as purchased groundwater. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own.
Does Ishpeming have any drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in November 2018. 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 Ishpeming'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 2 violations for this system; none is health-based, and the most recent began in November 2018. For current results, consult the system's annual water quality report, EPA ECHO, or the MI state drinking water program.
Where can I find Ishpeming's water quality report?
As a community water system, Ishpeming 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 |
|---|---|---|---|---|
| Marquette | Marquette | 20,629 | Community | Surface water |
| 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, “Ishpeming, PWSID MI0003440, Michigan”, https://aquacensus.com/water-systems/michigan/ishpeming-mi0003440 (data as of October 1, 2026).