Public water system · MI0070017
ActiveCorewellhealth Gr Kalamazoo
At a glance
Corewellhealth Gr Kalamazoo (PWSID MI0070017) is an active community water system in Kent County, Michigan. It reports serving 165 people through 2 service connections. Its primary water source is purchased surface water, and EPA lists it as privately owned. EPA's records list 3 violations for this system; none is health-based, and the most recent began in August 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
165
Service connections
2
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Corewellhealth Gr Kalamazoo compare with other water systems in Kent County?
By EPA's size categories, Corewellhealth Gr Kalamazoo is a very small system (500 people or fewer). Kent County has 397 active public water systems. Its population served is well below the county average of 1,634 people per system, and accounts for less than 0.1% of the 648,694 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 Corewellhealth Gr Kalamazoo is well below 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 Corewellhealth Gr Kalamazoo?
EPA lists Corewellhealth Gr Kalamazoo as privately owned. 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. 374 of the 397 active systems in Kent County (94%) are also privately owned.
Does Corewellhealth Gr Kalamazoo have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in August 2024. The violations listed here began between December 2022 and August 2024. By type: 1 public notice, recordkeeping or other, 1 monitoring and reporting and 1 monitoring. The contaminants or rules involved are Public Notice, Lead and Copper Rule and Revised Total Coliform Rule. EPA lists 3 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 |
|---|---|---|---|---|
| 2024-08-05 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2023-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2022-12-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
All 3 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.
Corewellhealth Gr Kalamazoo: frequently asked questions
Who runs Corewellhealth Gr Kalamazoo?
Corewellhealth Gr Kalamazoo (PWSID MI0070017) is a community water system privately owned. It is regulated by the MI state drinking water program.
How many people does Corewellhealth Gr Kalamazoo serve?
Corewellhealth Gr Kalamazoo reports serving 165 people through 2 service connections in Kent County, Michigan.
Where does Corewellhealth Gr Kalamazoo 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 Corewellhealth Gr Kalamazoo have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in August 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 Corewellhealth Gr Kalamazoo'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 3 violations for this system; none is health-based, and the most recent began in August 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 Corewellhealth Gr Kalamazoo's water quality report?
As a community water system, Corewellhealth Gr Kalamazoo 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 Kent County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Grand Rapids | Kent | 306,901 | Community | Surface water |
| Wyoming | Kent | 72,125 | Community | Surface water |
| Plainfield Township | Kent | 42,271 | Community | Groundwater under influence of surface water |
| Byron-Gaines Utility Authority | Kent | 37,464 | Community | Purchased surface water |
| Kentwood | Kent | 36,072 | Community | Purchased surface water |
| Grandville | Kent | 15,948 | 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, “Corewellhealth Gr Kalamazoo, PWSID MI0070017, Michigan”, https://aquacensus.com/water-systems/michigan/corewellhealth-gr-kalamazoo-mi0070017 (data as of October 1, 2026).