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Public water system · IN2710097

Active

Oak Grove Missionary Church

At a glance

Oak Grove Missionary Church (PWSID IN2710097) is an active transient non-community water system in St. Joseph County, Indiana. It reports serving 74 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in August 2023.

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

Population served

74

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDIN2710097
System typeTransient non-community water system
Activity statusActive
Population served74
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyIN state drinking water program
City servedNappanee
StateIndiana
ZIP—
CountySt. Joseph County

How does Oak Grove Missionary Church compare with other water systems in St. Joseph County?

By EPA's size categories, Oak Grove Missionary Church is a very small system (500 people or fewer). St. Joseph County has 221 active public water systems. Its population served is well below the county average of 989 people per system, and accounts for less than 0.1% of the 218,558 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 Missionary Church is about half of 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 Missionary Church?

EPA lists Oak Grove Missionary Church 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. 199 of the 221 active systems in St. Joseph County (90%) are also privately owned.

Does Oak Grove Missionary Church have drinking water violations?

EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in August 2023. The violations listed here began between January 2008 and August 2023. By type: 2 reporting, 1 public notice, recordkeeping or other, 1 contaminant level above the legal limit and 1 monitoring and reporting. The contaminant or rule involved most often is Revised Total Coliform Rule (2 of them). EPA lists 5 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
2023-08-25Public notice, recordkeeping or otherFailure to Consult with State · code 20Groundwater Rulecode 0700NoResolved
2018-04-01ReportingReport Sample Result/Fail Monitor (RTCR) · code 4BRevised Total Coliform Rulecode 8000NoResolved
2017-10-01ReportingReport Sample Result/Fail Monitor (RTCR) · code 4BRevised Total Coliform Rulecode 8000NoResolved
2014-08-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2008-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved

All 5 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 Missionary Church: frequently asked questions

Who runs Oak Grove Missionary Church?

Oak Grove Missionary Church (PWSID IN2710097) 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 Missionary Church serve?

Oak Grove Missionary Church reports serving 74 people through 1 service connection in St. Joseph County, Indiana.

Where does Oak Grove Missionary Church 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 Missionary Church have any drinking water violations?

EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in August 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 Oak Grove Missionary Church'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 5 violations for this system; 1 is health-based, and the most recent began in August 2023. For current results, consult EPA ECHO, or the IN state drinking water program.

Where can I find Oak Grove Missionary Church's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Oak Grove Missionary Church 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 St. Joseph County

Water systemCountyPopulation servedTypeSource
South Bend Water WorksSt. Joseph115,000CommunityGroundwater
Mishawaka UtilitiesSt. Joseph49,675CommunityGroundwater
University of Notre DameSt. Joseph7,400CommunityGroundwater
Walkerton Light & WaterSt. Joseph2,262CommunityGroundwater
Sisters of Holy Cross-St. Marys CollegeSt. Joseph2,111CommunityGroundwater
North Liberty Water WorksSt. Joseph1,896CommunityGroundwater

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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 Missionary Church, PWSID IN2710097, Indiana”, https://aquacensus.com/water-systems/indiana/oak-grove-missionary-church-in2710097 (data as of October 1, 2026).