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Public water system · MN5610475

Active

St. John Nepomuk Catholic Church

At a glance

St. John Nepomuk Catholic Church (PWSID MN5610475) is an active transient non-community water system in Pope County, Minnesota. It reports serving 120 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 2 violations for this system; all are health-based, and the most recent began in January 1998.

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

Population served

120

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDMN5610475
System typeTransient non-community water system
Activity statusActive
Population served120
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyMN state drinking water program
City served—
StateMinnesota
ZIP—
CountyPope County

How does St. John Nepomuk Catholic Church compare with other water systems in Pope County?

By EPA's size categories, St. John Nepomuk Catholic Church is a very small system (500 people or fewer). Pope County has 55 active public water systems. Its population served is about 27% below the county average of 165 people per system, and accounts for 1.3% of the 9,055 people reported by systems filed under the county. Across Minnesota, the 6,465 active systems average 820 people each. Nationally, the average active transient non-community water system reports serving 144 people, so St. John Nepomuk Catholic Church is about 17% 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. Minnesota has 5,008 active transient non-community water systems, 77% of the state's 6,465 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 6,261 Minnesota systems (97%) list groundwater as their primary source.

Who owns and regulates St. John Nepomuk Catholic Church?

EPA lists St. John Nepomuk Catholic Church as privately owned. The MN state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 45 of the 55 active systems in Pope County (82%) are also privately owned.

Does St. John Nepomuk Catholic Church have drinking water violations?

EPA's records list 2 violations for this system; all are health-based, and the most recent began in January 1998. The violations listed here began between January 1997 and January 1998. By type: 2 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 2 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
1998-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
1997-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved

All 2 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.

St. John Nepomuk Catholic Church: frequently asked questions

Who runs St. John Nepomuk Catholic Church?

St. John Nepomuk Catholic Church (PWSID MN5610475) is a transient non-community water system privately owned. It is regulated by the MN state drinking water program.

How many people does St. John Nepomuk Catholic Church serve?

St. John Nepomuk Catholic Church reports serving 120 people through 1 service connection in Pope County, Minnesota.

Where does St. John Nepomuk Catholic 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 St. John Nepomuk Catholic Church have any drinking water violations?

EPA's records list 2 violations for this system; all are health-based, and the most recent began in January 1998. 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 St. John Nepomuk Catholic 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 2 violations for this system; all are health-based, and the most recent began in January 1998. For current results, consult EPA ECHO, or the MN state drinking water program.

Where can I find St. John Nepomuk Catholic Church's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. St. John Nepomuk Catholic 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 Pope County

Water systemCountyPopulation servedTypeSource
GlenwoodPope2,705CommunityGroundwater
StarbuckPope1,440CommunityGroundwater
Minnewaska SchoolPope800Non-transient non-communityGroundwater
LowryPope333CommunityGroundwater
CyrusPope318CommunityGroundwater
Shady Rest ResortPope220Transient 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, “St. John Nepomuk Catholic Church, PWSID MN5610475, Minnesota”, https://aquacensus.com/water-systems/minnesota/st-john-nepomuk-catholic-church-mn5610475 (data as of October 1, 2026).