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Public water system · WI4080313

Active

St Ann Catholic Parish

At a glance

St Ann Catholic Parish (PWSID WI4080313) is an active transient non-community water system in Calumet County, Wisconsin. It reports serving 140 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; 1 is health-based, and the most recent began in August 1999.

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

Population served

140

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDWI4080313
System typeTransient non-community water system
Activity statusActive
Population served140
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyWI state drinking water program
City servedNew Holstein
StateWisconsin
ZIP—
CountyCalumet County

How does St Ann Catholic Parish compare with other water systems in Calumet County?

By EPA's size categories, St Ann Catholic Parish is a very small system (500 people or fewer). Calumet County has 50 active public water systems. Its population served is well below the county average of 485 people per system, and accounts for 0.6% of the 24,253 people reported by systems filed under the county. Across Wisconsin, the 11,056 active systems average 469 people each. Nationally, the average active transient non-community water system reports serving 144 people, so St Ann Catholic Parish is roughly in line with 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. Wisconsin has 9,112 active transient non-community water systems, 82% of the state's 11,056 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 10,978 Wisconsin systems (99%) list groundwater as their primary source.

Who owns and regulates St Ann Catholic Parish?

EPA lists St Ann Catholic Parish as privately owned. The WI state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 37 of the 50 active systems in Calumet County (74%) are also privately owned.

Does St Ann Catholic Parish have drinking water violations?

EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in August 1999. The violations listed here began between January 1994 and August 1999. By type: 1 contaminant level above the legal limit and 1 monitoring and reporting. The contaminants or rules involved are Total coliform bacteria (TCR) and Nitrate. 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
1999-08-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
1994-01-12Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved

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 Ann Catholic Parish: frequently asked questions

Who runs St Ann Catholic Parish?

St Ann Catholic Parish (PWSID WI4080313) is a transient non-community water system privately owned. It is regulated by the WI state drinking water program.

How many people does St Ann Catholic Parish serve?

St Ann Catholic Parish reports serving 140 people through 1 service connection in Calumet County, Wisconsin.

Where does St Ann Catholic 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 Ann Catholic Parish have any drinking water violations?

EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in August 1999. 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 Ann Catholic 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 records list 2 violations for this system; 1 is health-based, and the most recent began in August 1999. For current results, consult EPA ECHO, or the WI state drinking water program.

Where can I find St Ann Catholic Parish's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. St Ann Catholic 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 Calumet County

Water systemCountyPopulation servedTypeSource
Harrison Utilities - Fka Waverly SdCalumet5,500CommunityPurchased surface water
Chilton WaterworksCalumet4,191CommunityGroundwater
Brillion WaterworksCalumet3,262CommunityGroundwater
Sherwood WaterworksCalumet3,114CommunityPurchased surface water
New Holstein WaterworksCalumet3,012CommunityGroundwater
Hilbert WaterworksCalumet1,176CommunityGroundwater

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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 Ann Catholic Parish, PWSID WI4080313, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/st-ann-catholic-parish-wi4080313 (data as of October 1, 2026).