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Public water system · WI4080542

Active

Brillion Nature Ctr

At a glance

Brillion Nature Ctr (PWSID WI4080542) is an active transient non-community water system in Calumet County, Wisconsin. It reports serving 25 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a state government. EPA's records list 10 violations for this system; none is health-based, and the most recent began in October 2024.

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

Population served

25

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDWI4080542
System typeTransient non-community water system
Activity statusActive
Population served25
Service connections1
Primary water sourceGroundwater
Owner typeState government
Primacy agencyWI state drinking water program
City servedBrillion
StateWisconsin
ZIP—
CountyCalumet County

How does Brillion Nature Ctr compare with other water systems in Calumet County?

By EPA's size categories, Brillion Nature Ctr 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 0.1% 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 Brillion Nature Ctr is well 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. 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 Brillion Nature Ctr?

EPA lists Brillion Nature Ctr as owned by a state government. 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. 1 of the 50 active systems in Calumet County (2%) are also owned by a state government.

Does Brillion Nature Ctr have drinking water violations?

EPA's records list 10 violations for this system; none is health-based, and the most recent began in October 2024. The violations listed here began between May 1996 and October 2024. By type: 8 monitoring and reporting, 1 monitoring and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (7 of them). EPA lists 9 as resolved and 1 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.

BeganViolationContaminant or ruleHealth-basedStatus
2024-10-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2016-01-01Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2015-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2013-04-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2012-04-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2006-05-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived
2001-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2001-04-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2001-01-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
1996-05-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved

All 10 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.

Brillion Nature Ctr: frequently asked questions

Who runs Brillion Nature Ctr?

Brillion Nature Ctr (PWSID WI4080542) is a transient non-community water system owned by a state government. It is regulated by the WI state drinking water program.

How many people does Brillion Nature Ctr serve?

Brillion Nature Ctr reports serving 25 people through 1 service connection in Calumet County, Wisconsin.

Where does Brillion Nature Ctr 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 Brillion Nature Ctr have any drinking water violations?

EPA's records list 10 violations for this system; none is health-based, and the most recent began in October 2024. 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 Brillion Nature Ctr'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 10 violations for this system; none is health-based, and the most recent began in October 2024. For current results, consult EPA ECHO, or the WI state drinking water program.

Where can I find Brillion Nature Ctr's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Brillion Nature Ctr 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, “Brillion Nature Ctr, PWSID WI4080542, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/brillion-nature-ctr-wi4080542 (data as of October 1, 2026).