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Community Water System · PWS WI2300159

337-9 Holy Hill Apartments LLC

Libertyville, Wisconsin 60048 - drinking water served from groundwater sources to 30 people, tracked in EPA SDWIS and UCMR5.

30
People served
1,498
EPA violations
26
Health-based
Untested
UCMR5 result

The verdict

EPA records 1,498 drinking-water violations at 337-9 Holy Hill Apartments LLC, 2% of them health-based - above the Wisconsin per-system average.

1,498
Total EPA violations on record
2%
Health-based (MCL / treatment failure)
30
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: 337-9 Holy Hill Apartments LLC

337-9 Holy Hill Apartments LLC is a private-owned community water system that delivers drinking water to 30 residents in Libertyville, Wisconsin (Kenosha County) through 2 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 1,498 total violations for this system , of which 26 (2%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 1,402 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 102 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Wisconsin, EPA tracks 10,988 public water systems serving 5,131,439 people, with 285,161 cumulative violations and 58,688 health-based violations on record. About 72% of systems in the state carry at least one violation, and state-wide the average per system is 26 violations. Statewide, 78 of 202 UCMR5-tested systems have reported PFAS detections (38.6%).

337-9 Holy Hill Apartments LLC's 1,498 violations sit above the Wisconsin average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
30
Total Violations
1,498
Health-Based Violations
26
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
2
County
Kenosha
School/Daycare
No
MCL Violations
26
Monitoring Violations
1,402
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 102 2016
Consumer Confidence Rule Other 49 2020
Nitrate MR 43 2017
1,2,4-Trichlorobenzene MR 36 2017
cis-1,2-Dichloroethylene MR 36 2017
DICHLOROMETHANE MR 36 2017
Vinyl chloride MR 36 2017
1,1-Dichloroethylene MR 36 2017
trans-1,2-Dichloroethylene MR 36 2017
1,1,1-Trichloroethane MR 36 2017
Carbon tetrachloride MR 36 2017
Trichloroethylene MR 36 2017
CHLOROBENZENE MR 36 2017
Benzene MR 36 2017
Toluene MR 36 2017
Ethylbenzene MR 36 2017
p-Dichlorobenzene MR 36 2017
1,2-Dichloroethane MR 36 2017
1,2-Dichloropropane MR 36 2017
Styrene MR 36 2017
1,1,2-Trichloroethane MR 36 2017
Tetrachloroethylene MR 36 2017
o-Dichlorobenzene MR 36 2017
Xylenes, Total MR 36 2017
Coliform (TCR) MCL 26 2010
Lead and Copper Rule MR 25 2025
Public Notice Other 18 2017
Arsenic MR 16 2009
BHC-GAMMA MR 15 2009
Dalapon MR 15 2009

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for 337-9 Holy Hill Apartments LLC.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID WI2300159 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Wisconsin Drinking Water Authority

Wisconsin DNR, Drinking Water and Groundwater is the primacy agency that licenses and inspects 337-9 Holy Hill Apartments LLC under EPA-delegated authority.

Open WI regulator portal

Source: Wisconsin DNR, Drinking Water and Groundwater

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2025 Lead and Copper Rule MR 25 SDWIS / WI2300159 / 5000
2025 LEAD AND COPPER RULE REVISIONS RPT 1 SDWIS / WI2300159 / 5200
2020 Consumer Confidence Rule Other 49 SDWIS / WI2300159 / 7000
2017 Nitrate MR 43 SDWIS / WI2300159 / 1040
2017 1,2,4-Trichlorobenzene MR 36 SDWIS / WI2300159 / 2378
2017 cis-1,2-Dichloroethylene MR 36 SDWIS / WI2300159 / 2380
2017 DICHLOROMETHANE MR 36 SDWIS / WI2300159 / 2964
2017 Vinyl chloride MR 36 SDWIS / WI2300159 / 2976
2017 1,1-Dichloroethylene MR 36 SDWIS / WI2300159 / 2977
2017 trans-1,2-Dichloroethylene MR 36 SDWIS / WI2300159 / 2979
2017 1,1,1-Trichloroethane MR 36 SDWIS / WI2300159 / 2981
2017 Carbon tetrachloride MR 36 SDWIS / WI2300159 / 2982
2017 Trichloroethylene MR 36 SDWIS / WI2300159 / 2984
2017 CHLOROBENZENE MR 36 SDWIS / WI2300159 / 2989
2017 Benzene MR 36 SDWIS / WI2300159 / 2990

How 337-9 Holy Hill Apartments LLC Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric 337-9 Holy Hill Apartments LLC Wisconsin avg Federal benchmark
Total violations 1,498 26 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 26 5.3 Indicates a contaminant exceeded a federal MCL
PFAS detection None 38.6% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 30 467 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 10,988 regulated public water systems in Wisconsin.

Federal MCL reference, Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is 337-9 Holy Hill Apartments LLC water safe to drink? ▼
337-9 Holy Hill Apartments LLC (PWS ID: WI2300159) has 1498 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 30 people using Groundwater sources.
How many people does 337-9 Holy Hill Apartments LLC serve? ▼
337-9 Holy Hill Apartments LLC serves 30 people in Libertyville, Wisconsin. It is a Private-owned system using Groundwater water sources with 2 service connections.
What type of violations does 337-9 Holy Hill Apartments LLC have? ▼
337-9 Holy Hill Apartments LLC has 1,498 total violations: 26 health-based violations (MCL exceedances or treatment failures), 1,402 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in 337-9 Holy Hill Apartments LLC water? ▼
No PFAS testing data is available for 337-9 Holy Hill Apartments LLC under the EPA's UCMR5 monitoring program.
What water source does 337-9 Holy Hill Apartments LLC use? ▼
337-9 Holy Hill Apartments LLC uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.