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Public water system · MI2019749

Active

Engadine School

At a glance

Engadine School (PWSID MI2019749) is an active non-transient non-community water system in Mackinac County, Michigan. It reports serving 552 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 4 violations for this system; none is health-based, and the most recent began in July 2024.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

552

Service connections

1

Primary source

GW

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDMI2019749
System typeNon-transient non-community water system
Activity statusActive
Population served552
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyMI state drinking water program
City served—
StateMichigan
ZIP—
CountyMackinac County

How does Engadine School compare with other water systems in Mackinac County?

By EPA's size categories, Engadine School is a small system (501 to 3,300 people). Mackinac County has 113 active public water systems, and Engadine School is the 3rd-largest of them by population served. Its population served is about 5 times the county average of 110 people per system, and accounts for 4.5% of the 12,387 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 Engadine School is about 28% above 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 Engadine School?

EPA lists Engadine 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. 96 of the 113 active systems in Mackinac County (85%) are also privately owned.

Does Engadine School have drinking water violations?

EPA's records list 4 violations for this system; none is health-based, and the most recent began in July 2024. The violations listed here began between January 2011 and July 2024. By type: 2 monitoring and 2 monitoring and reporting. The contaminant or rule involved most often is Revised Total Coliform Rule (2 of them). EPA lists 2 as archived and 2 as resolved. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status. 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.

BeganViolationContaminant or ruleHealth-basedStatus
2024-07-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoArchived
2021-01-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 03Arseniccode 1005NoResolved
2011-01-01Monitoring and reportingMonitoring, Regular · code 03Cyanidecode 1024NoArchived

All 4 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.

Engadine School: frequently asked questions

Who runs Engadine School?

Engadine School (PWSID MI2019749) is a non-transient non-community water system privately owned. It is regulated by the MI state drinking water program.

How many people does Engadine School serve?

Engadine School reports serving 552 people through 1 service connection in Mackinac County, Michigan.

Where does Engadine 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 Engadine School have any drinking water violations?

EPA's records list 4 violations for this system; none is health-based, and the most recent began in July 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 Engadine 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 4 violations for this system; none is health-based, and the most recent began in July 2024. For current results, consult EPA ECHO, or the MI state drinking water program.

Where can I find Engadine School's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Engadine 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 Mackinac County

Water systemCountyPopulation servedTypeSource
St. IgnaceMackinac2,987CommunitySurface water
Mackinac IslandMackinac583CommunitySurface water
Les Cheneaux SchoolMackinac336Non-transient non-communityGroundwater
Hiawatha Sportmen'S Club-Grp 1 (7-16)Mackinac200Transient non-communityGroundwater
Mdot - Gros Cap Park, P219Mackinac200Transient non-communityGroundwater
Hiawatha Sportmen'S Club-Group 3 (30-35)Mackinac200Transient non-communityGroundwater

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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, “Engadine School, PWSID MI2019749, Michigan”, https://aquacensus.com/water-systems/michigan/engadine-school-mi2019749 (data as of October 1, 2026).