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Public water system · WI2300490

Active

Wilmot Union High School

At a glance

Wilmot Union High School (PWSID WI2300490) is an active non-transient non-community water system in Kenosha County, Wisconsin. It reports serving 1,200 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2013.

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

Population served

1,200

Service connections

1

Primary source

GW

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDWI2300490
System typeNon-transient non-community water system
Activity statusActive
Population served1,200
Service connections1
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyWI state drinking water program
City servedWilmot
StateWisconsin
ZIP—
CountyKenosha County

How does Wilmot Union High School compare with other water systems in Kenosha County?

By EPA's size categories, Wilmot Union High School is a small system (501 to 3,300 people). Kenosha County has 227 active public water systems, and Wilmot Union High School is the 4th-largest of them by population served. Its population served is about twice the county average of 605 people per system, and accounts for 0.9% of the 137,235 people reported by systems filed under the county. Across Wisconsin, the 11,056 active systems average 469 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Wilmot Union High School is about 179% above 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. Wisconsin has 891 active non-transient non-community water systems, 8.1% 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 Wilmot Union High School?

EPA lists Wilmot Union High School as owned by a local 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. 37 of the 227 active systems in Kenosha County (16%) are also owned by a local government.

Does Wilmot Union High School have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2013. The violations listed here began between October 2008 and January 2013. By type: 10 monitoring and reporting and 2 public notice, recordkeeping or other. The contaminant or rule involved most often is Lead and Copper Rule (2 of them). EPA lists 11 as resolved and 1 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.

BeganViolationContaminant or ruleHealth-basedStatus
2013-01-01Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2012-01-01Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2011-01-01Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoUnaddressed
2010-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2009-01-01Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2008-10-01Monitoring and reportingMonitoring, Regular · code 031,2-Dichloroethanecode 2980NoResolved
2008-10-01Monitoring and reportingMonitoring, Regular · code 03Trichloroethylenecode 2984NoResolved
2008-10-01Monitoring and reportingMonitoring, Regular · code 03Chlorobenzenecode 2989NoResolved
2008-10-01Monitoring and reportingMonitoring, Regular · code 031,2-Dichloropropanecode 2983NoResolved
2008-10-01Monitoring and reportingMonitoring, Regular · code 031,1-Dichloroethylenecode 2977NoResolved
2008-10-01Monitoring and reportingMonitoring, Regular · code 03Ethylbenzenecode 2992NoResolved
2008-10-01Monitoring and reportingMonitoring, Regular · code 03Styrenecode 2996NoResolved

The 12 most recent 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.

Wilmot Union High School: frequently asked questions

Who runs Wilmot Union High School?

Wilmot Union High School (PWSID WI2300490) is a non-transient non-community water system owned by a local government. It is regulated by the WI state drinking water program.

How many people does Wilmot Union High School serve?

Wilmot Union High School reports serving 1,200 people through 1 service connection in Kenosha County, Wisconsin.

Where does Wilmot Union High School 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 Wilmot Union High School have any drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2013. 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 Wilmot Union High School'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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2013. For current results, consult EPA ECHO, or the WI state drinking water program.

Where can I find Wilmot Union High School's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Wilmot Union High School 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 Kenosha County

Water systemCountyPopulation servedTypeSource
Kenosha Water UtilityKenosha99,218CommunitySurface water
Pleasant Prairie Water UtilityKenosha10,754CommunityPurchased surface water
Somers Water UtilityKenosha1,930CommunityPurchased surface water
Bristol Village of EastKenosha1,001CommunityPurchased surface water
Paddock Lake WaterworksKenosha945CommunityGroundwater
Salem Grade School North WellKenosha800Non-transient 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, “Wilmot Union High School, PWSID WI2300490, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/wilmot-union-high-school-wi2300490 (data as of October 1, 2026).