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Public water system · MI2000728

Active

Old Mission Peninsula School

At a glance

Old Mission Peninsula School (PWSID MI2000728) is an active non-transient non-community water system in Grand Traverse County, Michigan. It reports serving 350 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 October 2018.

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

Population served

350

Service connections

1

Primary source

GW

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDMI2000728
System typeNon-transient non-community water system
Activity statusActive
Population served350
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyMI state drinking water program
City served—
StateMichigan
ZIP—
CountyGrand Traverse County

How does Old Mission Peninsula School compare with other water systems in Grand Traverse County?

By EPA's size categories, Old Mission Peninsula School is a very small system (500 people or fewer). Grand Traverse County has 173 active public water systems. Its population served is roughly in line with the county average of 329 people per system, and accounts for 0.6% of the 56,994 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 Old Mission Peninsula School is about 19% 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 Old Mission Peninsula School?

EPA lists Old Mission Peninsula 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. 144 of the 173 active systems in Grand Traverse County (83%) are also privately owned.

Does Old Mission Peninsula 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 October 2018. The violations listed here began between January 1999 and October 2018. By type: 11 monitoring and reporting and 1 monitoring. The contaminant or rule involved most often is Lead and Copper Rule (2 of them). EPA lists 12 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.

BeganViolationContaminant or ruleHealth-basedStatus
2018-10-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2018-01-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2014-01-01Monitoring and reportingMonitoring, Regular · code 03Arseniccode 1005NoResolved
2008-01-01Monitoring and reportingMonitoring, Regular · code 03Arseniccode 1005NoResolved
2007-01-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2005-01-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
1999-01-01Monitoring and reportingMonitoring, Regular · code 03Styrenecode 2996NoResolved
1999-01-01Monitoring and reportingMonitoring, Regular · code 03Toxaphenecode 2020NoResolved
1999-01-01Monitoring and reportingMonitoring, Regular · code 031,1-Dichloroethylenecode 2977NoResolved
1999-01-01Monitoring and reportingMonitoring, Regular · code 03Oxamylcode 2036NoResolved
1999-01-01Monitoring and reportingMonitoring, Regular · code 03Picloramcode 2040NoResolved
1999-01-01Monitoring and reportingMonitoring, Regular · code 03Vinyl chloridecode 2976NoResolved

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.

Old Mission Peninsula School: frequently asked questions

Who runs Old Mission Peninsula School?

Old Mission Peninsula School (PWSID MI2000728) is a non-transient non-community water system privately owned. It is regulated by the MI state drinking water program.

How many people does Old Mission Peninsula School serve?

Old Mission Peninsula School reports serving 350 people through 1 service connection in Grand Traverse County, Michigan.

Where does Old Mission Peninsula 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 Old Mission Peninsula 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 October 2018. 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 Old Mission Peninsula 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 October 2018. For current results, consult EPA ECHO, or the MI state drinking water program.

Where can I find Old Mission Peninsula School's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Old Mission Peninsula 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 Grand Traverse County

Water systemCountyPopulation servedTypeSource
Traverse CityGrand Traverse14,532CommunitySurface water
Garfield Charter TownshipGrand Traverse12,899CommunityPurchased surface water
East Bay Charter TownshipGrand Traverse3,720CommunityGroundwater
Blair TownshipGrand Traverse2,788CommunityGroundwater
Peninsula TownshipGrand Traverse1,790CommunityPurchased surface water
Kingsley, Village ofGrand Traverse1,657CommunityGroundwater

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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, “Old Mission Peninsula School, PWSID MI2000728, Michigan”, https://aquacensus.com/water-systems/michigan/old-mission-peninsula-school-mi2000728 (data as of October 1, 2026).