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Public water system · MN5490071

Active

St. John Nepomuk Parish

At a glance

St. John Nepomuk Parish (PWSID MN5490071) is an active transient non-community water system in Morrison County, Minnesota. It reports serving 500 people through 3 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's Safe Drinking Water Act records list no violations for this system.

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

Population served

500

Service connections

3

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDMN5490071
System typeTransient non-community water system
Activity statusActive
Population served500
Service connections3
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyMN state drinking water program
City served—
StateMinnesota
ZIP—
CountyMorrison County

How does St. John Nepomuk Parish compare with other water systems in Morrison County?

By EPA's size categories, St. John Nepomuk Parish is a very small system (500 people or fewer). Morrison County has 96 active public water systems. Its population served is about twice the county average of 259 people per system, and accounts for 2% of the 24,860 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 Parish is about 3.5 times 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 Parish?

EPA lists St. John Nepomuk Parish 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. 76 of the 96 active systems in Morrison County (79%) are also privately owned.

Does St. John Nepomuk Parish have drinking water violations?

No SDWA violations on record.

EPA's SDWA violation and enforcement data (via EPA ECHO, updated quarterly) lists no violations for St. John Nepomuk Parish. For the latest compliance status, check EPA ECHO for current compliance history.

St. John Nepomuk Parish: frequently asked questions

Who runs St. John Nepomuk Parish?

St. John Nepomuk Parish (PWSID MN5490071) 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 Parish serve?

St. John Nepomuk Parish reports serving 500 people through 3 service connections in Morrison County, Minnesota.

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

EPA's Safe Drinking Water Act records list no violations for this system.

Is St. John Nepomuk Parish'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 Safe Drinking Water Act records list no violations for this system. For current results, consult EPA ECHO, or the MN state drinking water program.

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

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

Water systemCountyPopulation servedTypeSource
Little FallsMorrison9,069CommunityGroundwater
Rich Prairie Sewer and Water DistrictMorrison1,531CommunityGroundwater
RoyaltonMorrison1,266CommunityGroundwater
Camp RipleyMorrison900Non-transient non-communityGroundwater
MotleyMorrison680CommunityGroundwater
RandallMorrison608CommunityGroundwater

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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 Parish, PWSID MN5490071, Minnesota”, https://aquacensus.com/water-systems/minnesota/st-john-nepomuk-parish-mn5490071 (data as of October 1, 2026).