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Public water system · MI2118125

Active

Calvary Presbyterian Church

At a glance

Calvary Presbyterian Church (PWSID MI2118125) is an active non-transient non-community water system in Genesee County, Michigan. It reports serving 425 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 7 violations for this system; 2 are health-based, and the most recent began in October 2018.

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

Population served

425

Service connections

1

Primary source

GW

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDMI2118125
System typeNon-transient non-community water system
Activity statusActive
Population served425
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyMI state drinking water program
City served—
StateMichigan
ZIP—
CountyGenesee County

How does Calvary Presbyterian Church compare with other water systems in Genesee County?

By EPA's size categories, Calvary Presbyterian Church is a very small system (500 people or fewer). Genesee County has 378 active public water systems. Its population served is about half of the county average of 871 people per system, and accounts for 0.1% of the 329,216 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 Calvary Presbyterian Church is roughly in line with 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 Calvary Presbyterian Church?

EPA lists Calvary Presbyterian Church 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. 358 of the 378 active systems in Genesee County (95%) are also privately owned.

Does Calvary Presbyterian Church have drinking water violations?

EPA's records list 7 violations for this system; 2 are health-based, and the most recent began in October 2018. The violations listed here began between January 1999 and October 2018. By type: 5 monitoring and reporting and 2 contaminant level above the legal limit. The contaminant or rule involved most often is Arsenic (3 of them). EPA lists 7 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
2018-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Arseniccode 1005YesResolved
2018-07-01Monitoring and reportingMonitoring, Regular · code 03Arseniccode 1005NoResolved
2018-01-01Monitoring and reportingMonitoring, Regular · code 03Arseniccode 1005NoResolved
2011-07-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2011-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
1999-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
1999-01-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved

All 7 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.

Calvary Presbyterian Church: frequently asked questions

Who runs Calvary Presbyterian Church?

Calvary Presbyterian Church (PWSID MI2118125) is a non-transient non-community water system privately owned. It is regulated by the MI state drinking water program.

How many people does Calvary Presbyterian Church serve?

Calvary Presbyterian Church reports serving 425 people through 1 service connection in Genesee County, Michigan.

Where does Calvary Presbyterian 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 Calvary Presbyterian Church have any drinking water violations?

EPA's records list 7 violations for this system; 2 are 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 Calvary Presbyterian 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 7 violations for this system; 2 are 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 Calvary Presbyterian Church's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Calvary Presbyterian Church 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 Genesee County

Water systemCountyPopulation servedTypeSource
Flint, City ofGenesee81,252CommunityPurchased surface water
Genesee County Water SystemGenesee73,726CommunityPurchased surface water
Charter Township of Grand BlancGenesee21,000CommunityPurchased surface water
Burton, City ofGenesee21,000CommunityPurchased surface water
Fenton, City ofGenesee11,746CommunityGroundwater
Beecher Metropolitan DistrictGenesee9,400CommunityGroundwater

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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, “Calvary Presbyterian Church, PWSID MI2118125, Michigan”, https://aquacensus.com/water-systems/michigan/calvary-presbyterian-church-mi2118125 (data as of October 1, 2026).