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Community Water System · PWS WI2300163

425 Holy Hill Apts

Lake Villa, Wisconsin 60046 - drinking water served from groundwater sources to 28 people, tracked in EPA SDWIS and UCMR5.

28
People served
168
EPA violations
12
Health-based
Untested
UCMR5 result

The verdict

EPA records 168 drinking-water violations at 425 Holy Hill Apts, 7% of them health-based - above the Wisconsin per-system average.

168
Total EPA violations on record
7%
Health-based (MCL / treatment failure)
28
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: 425 Holy Hill Apts

425 Holy Hill Apts is a private-owned community water system that delivers drinking water to 28 residents in Lake Villa, Wisconsin (Kenosha County) through 3 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 168 total violations for this system , of which 12 (7%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 142 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 51 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, 51 of 202 UCMR5-tested systems have reported PFAS detections (25.2%).

425 Holy Hill Apts's 168 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
28
Total Violations
168
Health-Based Violations
12
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
3
County
Kenosha
School/Daycare
No
MCL Violations
12
Monitoring Violations
142
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 51 2007
Coliform (TCR) MCL 12 2011
E. COLI MR 5 2010
Consumer Confidence Rule Other 4 2000
Carbon tetrachloride MR 4 2000
1,2-Dichloropropane MR 4 2000
Trichloroethylene MR 4 2000
1,1-Dichloroethylene MR 4 2000
Vinyl chloride MR 4 2000
o-Dichlorobenzene MR 4 2000
DICHLOROMETHANE MR 4 2000
1,2,4-Trichlorobenzene MR 4 2000
1,1,2-Trichloroethane MR 4 2000
Ethylbenzene MR 4 2000
Styrene MR 4 2000
Xylenes, Total MR 4 2000
1,2-Dichloroethane MR 4 2000
Toluene MR 4 2000
p-Dichlorobenzene MR 4 2000
1,1,1-Trichloroethane MR 4 2000
Tetrachloroethylene MR 4 2000
Benzene MR 4 2000
cis-1,2-Dichloroethylene MR 4 2000
CHLOROBENZENE MR 4 2000
trans-1,2-Dichloroethylene MR 4 2000
Revised Total Coliform Rule MON 1 2025
Nitrate MR 1 1993

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 425 Holy Hill Apts.

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 WI2300163 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 425 Holy Hill Apts 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 Revised Total Coliform Rule MON 1 SDWIS / WI2300163 / 8000
2011 Coliform (TCR) MCL 12 SDWIS / WI2300163 / 3100
2010 E. COLI MR 5 SDWIS / WI2300163 / 3014
2007 Coliform (TCR) MR 51 SDWIS / WI2300163 / 3100
2000 Consumer Confidence Rule Other 4 SDWIS / WI2300163 / 7000
2000 Carbon tetrachloride MR 4 SDWIS / WI2300163 / 2982
2000 1,2-Dichloropropane MR 4 SDWIS / WI2300163 / 2983
2000 Trichloroethylene MR 4 SDWIS / WI2300163 / 2984
2000 1,1-Dichloroethylene MR 4 SDWIS / WI2300163 / 2977
2000 Vinyl chloride MR 4 SDWIS / WI2300163 / 2976
2000 o-Dichlorobenzene MR 4 SDWIS / WI2300163 / 2968
2000 DICHLOROMETHANE MR 4 SDWIS / WI2300163 / 2964
2000 1,2,4-Trichlorobenzene MR 4 SDWIS / WI2300163 / 2378
2000 1,1,2-Trichloroethane MR 4 SDWIS / WI2300163 / 2985
2000 Ethylbenzene MR 4 SDWIS / WI2300163 / 2992

How 425 Holy Hill Apts Compares

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

Metric 425 Holy Hill Apts Wisconsin avg Federal benchmark
Total violations 168 26 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 12 5.3 Indicates a contaminant exceeded a federal MCL
PFAS detection None 25.2% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 28 467 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 425 Holy Hill Apts water safe to drink? ▼
425 Holy Hill Apts (PWS ID: WI2300163) has 168 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 28 people using Groundwater sources.
How many people does 425 Holy Hill Apts serve? ▼
425 Holy Hill Apts serves 28 people in Lake Villa, Wisconsin. It is a Private-owned system using Groundwater water sources with 3 service connections.
What type of violations does 425 Holy Hill Apts have? ▼
425 Holy Hill Apts has 168 total violations: 12 health-based violations (MCL exceedances or treatment failures), 142 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in 425 Holy Hill Apts water? ▼
No PFAS testing data is available for 425 Holy Hill Apts under the EPA's UCMR5 monitoring program.
What water source does 425 Holy Hill Apts use? ▼
425 Holy Hill Apts 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.