Public water system · MI2004745
ActiveSt. Mary'S Elem & High School
At a glance
St. Mary'S Elem & High School (PWSID MI2004745) is an active non-transient non-community water system in Leelanau County, Michigan. It reports serving 200 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list one violation for this system; it is not health-based, and the most recent began in July 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
200
Service connections
2
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does St. Mary'S Elem & High School compare with other water systems in Leelanau County?
By EPA's size categories, St. Mary'S Elem & High School is a very small system (500 people or fewer). Leelanau County has 137 active public water systems. Its population served is roughly in line with the county average of 198 people per system, and accounts for 0.7% of the 27,116 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 St. Mary'S Elem & High School is about half of 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. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 10,214 Michigan systems (96%) list groundwater as their primary source.
Who owns and regulates St. Mary'S Elem & High School?
EPA lists St. Mary'S Elem & High School 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. 129 of the 137 active systems in Leelanau County (94%) are also privately owned.
Does St. Mary'S Elem & High School have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in July 2023. By type: 1 monitoring. The contaminant or rule involved is Revised Total Coliform Rule. 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 |
|---|---|---|---|---|
| 2023-07-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | 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.
St. Mary'S Elem & High School: frequently asked questions
Who runs St. Mary'S Elem & High School?
St. Mary'S Elem & High School (PWSID MI2004745) is a non-transient non-community water system privately owned. It is regulated by the MI state drinking water program.
How many people does St. Mary'S Elem & High School serve?
St. Mary'S Elem & High School reports serving 200 people through 2 service connections in Leelanau County, Michigan.
Where does St. Mary'S Elem & High School get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does St. Mary'S Elem & High School have any drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in July 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 St. Mary'S Elem & High School'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 not health-based, and the most recent began in July 2023. For current results, consult EPA ECHO, or the MI state drinking water program.
Where can I find St. Mary'S Elem & High School's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. St. Mary'S Elem & High School 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 Leelanau County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Homestead/Crystal River Water Co | Leelanau | 1,365 | Community | Groundwater |
| West Side Community Church | Leelanau | 950 | Transient non-community | Groundwater |
| Suttons Bay, Village of | Leelanau | 874 | Community | Groundwater |
| Glen Lake Comm Schools | Leelanau | 809 | Non-transient non-community | Groundwater |
| The Cove | Leelanau | 800 | Transient non-community | Groundwater |
| Bunting'S Market | Leelanau | 800 | 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, “St. Mary'S Elem & High School, PWSID MI2004745, Michigan”, https://aquacensus.com/water-systems/michigan/st-mary-s-elem-high-school-mi2004745 (data as of October 1, 2026).