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Public water system · MI2007502

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Autrain-Onota Public School

At a glance

Autrain-Onota Public School (PWSID MI2007502) is an active non-transient non-community water system in Alger County, Michigan. It reports serving 63 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2025.

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

Population served

63

Service connections

1

Primary source

GW

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDMI2007502
System typeNon-transient non-community water system
Activity statusActive
Population served63
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyMI state drinking water program
City served—
StateMichigan
ZIP—
CountyAlger County

How does Autrain-Onota Public School compare with other water systems in Alger County?

By EPA's size categories, Autrain-Onota Public School is a very small system (500 people or fewer). Alger County has 85 active public water systems. Its population served is about half of the county average of 115 people per system, and accounts for 0.6% of the 9,767 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 Autrain-Onota Public School 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. 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 Autrain-Onota Public School?

EPA lists Autrain-Onota Public 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. 67 of the 85 active systems in Alger County (79%) are also privately owned.

Does Autrain-Onota Public School have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2025. The violations listed here began between January 2017 and January 2025. By type: 10 monitoring and reporting and 2 monitoring. The contaminant or rule involved most often is Revised Total Coliform Rule (2 of them). EPA lists 11 as resolved and 1 as archived. 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. 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.

BeganViolationContaminant or ruleHealth-basedStatus
2025-01-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoArchived
2020-10-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 031,1-Dichloroethylenecode 2977NoResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 03Ethylbenzenecode 2992NoResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 03p-Dichlorobenzenecode 2969NoResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 03Chlorobenzenecode 2989NoResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 03Benzenecode 2990NoResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 03Styrenecode 2996NoResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 031,2,4-Trichlorobenzenecode 2378NoResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 03cis-1,2-Dichloroethylenecode 2380NoResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 031,1,2-Trichloroethanecode 2985NoResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 03Xylenes, Totalcode 2955NoResolved

The 12 most recent 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.

Autrain-Onota Public School: frequently asked questions

Who runs Autrain-Onota Public School?

Autrain-Onota Public School (PWSID MI2007502) is a non-transient non-community water system privately owned. It is regulated by the MI state drinking water program.

How many people does Autrain-Onota Public School serve?

Autrain-Onota Public School reports serving 63 people through 1 service connection in Alger County, Michigan.

Where does Autrain-Onota Public 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 Autrain-Onota Public School have any drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2025. 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 Autrain-Onota Public 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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2025. For current results, consult EPA ECHO, or the MI state drinking water program.

Where can I find Autrain-Onota Public School's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Autrain-Onota Public 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 Alger County

Water systemCountyPopulation servedTypeSource
MunisingAlger2,783CommunityGroundwater
Munising Industrial ParkAlger465CommunityGroundwater
Burt TownshipAlger411CommunityGroundwater
ChathamAlger300CommunityGroundwater
Pictured Rocks Rv Park & CampgroundAlger288Transient non-communityGroundwater
Autrain Beach CampgroundAlger200Transient non-communityGroundwater

Related pages

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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, “Autrain-Onota Public School, PWSID MI2007502, Michigan”, https://aquacensus.com/water-systems/michigan/autrain-onota-public-school-mi2007502 (data as of October 1, 2026).