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Public water system · IN2010014

Active

Oak Grove Amish School

At a glance

Oak Grove Amish School (PWSID IN2010014) is an active transient non-community water system in Adams County, Indiana. It reports serving 30 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, 4 are health-based, and the most recent began in April 2025.

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

Population served

30

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDIN2010014
System typeTransient non-community water system
Activity statusActive
Population served30
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyIN state drinking water program
City servedMonroe
StateIndiana
ZIP—
CountyAdams County

How does Oak Grove Amish School compare with other water systems in Adams County?

By EPA's size categories, Oak Grove Amish School is a very small system (500 people or fewer). Adams County has 74 active public water systems. Its population served is well below the county average of 310 people per system, and accounts for 0.1% of the 22,936 people reported by systems filed under the county. Across Indiana, the 3,969 active systems average 1,456 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Oak Grove Amish School is well below that figure.

What does “transient non-community water system” mean?

A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Indiana has 2,596 active transient non-community water systems, 65% of the state's 3,969 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 3,769 Indiana systems (95%) list groundwater as their primary source.

Who owns and regulates Oak Grove Amish School?

EPA lists Oak Grove Amish School as privately owned. The IN state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 69 of the 74 active systems in Adams County (93%) are also privately owned.

Does Oak Grove Amish School have drinking water violations?

Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in April 2025. The violations listed here began between August 2001 and April 2025. By type: 6 monitoring and reporting, 4 contaminant level above the legal limit and 2 monitoring. The contaminant or rule involved most often is Total coliform bacteria (TCR) (10 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
2025-04-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2022-01-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2013-07-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2006-05-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2006-01-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2005-09-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2005-02-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2005-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2002-09-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2001-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2001-09-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2001-08-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved

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.

Oak Grove Amish School: frequently asked questions

Who runs Oak Grove Amish School?

Oak Grove Amish School (PWSID IN2010014) is a transient non-community water system privately owned. It is regulated by the IN state drinking water program.

How many people does Oak Grove Amish School serve?

Oak Grove Amish School reports serving 30 people through 1 service connection in Adams County, Indiana.

Where does Oak Grove Amish 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 Oak Grove Amish School have any drinking water violations?

Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in April 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 Oak Grove Amish 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, 4 are health-based, and the most recent began in April 2025. For current results, consult EPA ECHO, or the IN state drinking water program.

Where can I find Oak Grove Amish School's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Oak Grove Amish School is a 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 Adams County

Water systemCountyPopulation servedTypeSource
Decatur Water DepartmentAdams9,900CommunityGroundwater
Berne Water DepartmentAdams4,388CommunityGroundwater
Geneva Water DepartmentAdams1,359CommunityGroundwater
Monroe Water DepartmentAdams872CommunityGroundwater
Amishville U.S.A.Adams821Transient non-communityGroundwater
St. John Lutheran ChurchAdams307Transient 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, “Oak Grove Amish School, PWSID IN2010014, Indiana”, https://aquacensus.com/water-systems/indiana/oak-grove-amish-school-in2010014 (data as of October 1, 2026).