Public water system · MI0070012
ActiveCorewell Health Ludington Hospital
At a glance
Corewell Health Ludington Hospital (PWSID MI0070012) is an active non-transient non-community water system in Mason County, Michigan. It reports serving 25 people through 1 service connection. Its primary water source is purchased surface water, and EPA lists it as privately owned. EPA's records list one violation for this system; it is health-based, and the most recent began in April 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
25
Service connections
1
Primary source
SWP
Purchased surface water
System type
NTNCWS
Non-transient non-community water system
System record
How does Corewell Health Ludington Hospital compare with other water systems in Mason County?
By EPA's size categories, Corewell Health Ludington Hospital is a very small system (500 people or fewer). Mason County has 83 active public water systems. Its population served is well below the county average of 291 people per system, and accounts for 0.1% of the 24,180 people reported by systems filed under the county. Across Michigan, the 10,599 active systems average 847 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Corewell Health Ludington Hospital is well below that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Michigan has 1,402 active non-transient non-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 Corewell Health Ludington Hospital?
EPA lists Corewell Health Ludington Hospital 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. 74 of the 83 active systems in Mason County (89%) are also privately owned.
Does Corewell Health Ludington Hospital have drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in April 2023. By type: 1 disinfectant level above the legal limit. The contaminant or rule involved is Chloramine. EPA lists 1 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 |
|---|---|---|---|---|
| 2023-04-01 | Disinfectant level above the legal limitNon-Acute MRDL · code 11 | Chloraminecode 1006 | Yes | Resolved |
The one violation in EPA's records.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.
Corewell Health Ludington Hospital: frequently asked questions
Who runs Corewell Health Ludington Hospital?
Corewell Health Ludington Hospital (PWSID MI0070012) is a non-transient non-community water system privately owned. It is regulated by the MI state drinking water program.
How many people does Corewell Health Ludington Hospital serve?
Corewell Health Ludington Hospital reports serving 25 people through 1 service connection in Mason County, Michigan.
Where does Corewell Health Ludington Hospital 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 Corewell Health Ludington Hospital have any drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in April 2023. 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 Corewell Health Ludington Hospital'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 one violation for this system; it is health-based, and the most recent began in April 2023. For current results, consult EPA ECHO, or the MI state drinking water program.
Where can I find Corewell Health Ludington Hospital's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Corewell Health Ludington Hospital is a non-transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Mason County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Ludington | Mason | 8,184 | Community | Surface water |
| Ludington State Park Cg | Mason | 1,700 | Transient non-community | Groundwater |
| Scottville, City of | Mason | 1,536 | Community | Purchased surface water |
| Tamarac Village | Mason | 873 | Community | Groundwater |
| Mdot - Ludington Rest Area | Mason | 700 | Transient non-community | Groundwater |
| Lamans Landing | Mason | 500 | Transient non-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, “Corewell Health Ludington Hospital, PWSID MI0070012, Michigan”, https://aquacensus.com/water-systems/michigan/corewell-health-ludington-hospital-mi0070012 (data as of October 1, 2026).