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Public water system · WI2300159

Active

337-9 Holy Hill Apartments LLC

At a glance

337-9 Holy Hill Apartments LLC (PWSID WI2300159) is an active community water system in Kenosha County, Wisconsin. It reports serving 30 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2025.

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

Population served

30

Service connections

2

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDWI2300159
System typeCommunity water system
Activity statusActive
Population served30
Service connections2
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyWI state drinking water program
City servedTwin Lakes
StateWisconsin
ZIP—
CountyKenosha County

How does 337-9 Holy Hill Apartments LLC compare with other water systems in Kenosha County?

By EPA's size categories, 337-9 Holy Hill Apartments LLC is a very small system (500 people or fewer). Kenosha County has 227 active public water systems. Its population served is well below the county average of 605 people per system, and accounts for less than 0.1% 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 community water system reports serving 6,703 people, so 337-9 Holy Hill Apartments LLC is well below that figure.

What does “community water system” mean?

A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Wisconsin has 1,053 active community water systems, 9.5% 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 337-9 Holy Hill Apartments LLC?

EPA lists 337-9 Holy Hill Apartments LLC 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. 178 of the 227 active systems in Kenosha County (78%) are also privately owned.

Does 337-9 Holy Hill Apartments LLC have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2025. The violations listed here began between July 2017 and July 2025. By type: 7 monitoring and reporting, 4 public notice, recordkeeping or other and 1 reporting. The contaminant or rule involved most often is Lead and Copper Rule (2 of them). EPA lists 12 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
2025-07-02ReportingNotification, Known or Potential LSL · code 4HLead and Copper Rule Revisionscode 5200NoResolved
2025-01-01Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2020-07-01Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved
2020-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2019-01-01Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2017-10-01Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2017-10-01Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2017-07-01Monitoring and reportingMonitoring, Regular · code 03o-Dichlorobenzenecode 2968NoResolved
2017-07-01Monitoring and reportingMonitoring, Regular · code 03p-Dichlorobenzenecode 2969NoResolved
2017-07-01Monitoring and reportingMonitoring, Regular · code 03Dichloromethanecode 2964NoResolved
2017-07-01Monitoring and reportingMonitoring, Regular · code 03Vinyl chloridecode 2976NoResolved
2017-07-01Monitoring and reportingMonitoring, Regular · code 03Tetrachloroethylenecode 2987NoResolved

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.

337-9 Holy Hill Apartments LLC: frequently asked questions

Who runs 337-9 Holy Hill Apartments LLC?

337-9 Holy Hill Apartments LLC (PWSID WI2300159) is a community water system privately owned. It is regulated by the WI state drinking water program.

How many people does 337-9 Holy Hill Apartments LLC serve?

337-9 Holy Hill Apartments LLC reports serving 30 people through 2 service connections in Kenosha County, Wisconsin.

Where does 337-9 Holy Hill Apartments LLC 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 337-9 Holy Hill Apartments LLC 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 July 2025. 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 337-9 Holy Hill Apartments LLC'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 July 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the WI state drinking water program.

Where can I find 337-9 Holy Hill Apartments LLC's water quality report?

As a community water system, 337-9 Holy Hill Apartments LLC must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.

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
Wilmot Union High SchoolKenosha1,200Non-transient non-communityGroundwater
Bristol Village of EastKenosha1,001CommunityPurchased surface water
Paddock Lake WaterworksKenosha945CommunityGroundwater

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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, “337-9 Holy Hill Apartments LLC, PWSID WI2300159, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/337-9-holy-hill-apartments-llc-wi2300159 (data as of October 1, 2026).