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Non-Transient Non-Community Water System · PWS WI2650160

Alpine Valley Resort

East Troy, Wisconsin 53120 - drinking water served from groundwater sources to 550 people, tracked in EPA SDWIS and UCMR5.

550
People served
480
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 480 drinking-water violations at Alpine Valley Resort - above the Wisconsin per-system average.

480
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
550
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Alpine Valley Resort

Alpine Valley Resort is a private-owned non-transient non-community water system that delivers drinking water to 550 residents in East Troy, Wisconsin (Walworth County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 480 total violations for this system , of which 0 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 470 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 33 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%).

Alpine Valley Resort's 480 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
550
Total Violations
480
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
1
County
Walworth
School/Daycare
No
MCL Violations
0
Monitoring Violations
470
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 33 2012
1,2,4-Trichlorobenzene MR 17 2012
DICHLOROMETHANE MR 17 2012
p-Dichlorobenzene MR 17 2012
1,1-Dichloroethylene MR 17 2012
1,2-Dichloroethane MR 17 2012
Tetrachloroethylene MR 17 2012
CHLOROBENZENE MR 17 2012
Benzene MR 17 2012
Ethylbenzene MR 17 2012
Styrene MR 17 2012
cis-1,2-Dichloroethylene MR 17 2012
Xylenes, Total MR 17 2012
1,1,2-Trichloroethane MR 17 2012
Trichloroethylene MR 17 2012
Vinyl chloride MR 17 2012
o-Dichlorobenzene MR 17 2012
trans-1,2-Dichloroethylene MR 17 2012
1,1,1-Trichloroethane MR 17 2012
Carbon tetrachloride MR 17 2012
1,2-Dichloropropane MR 17 2012
Toluene MR 17 2012
Nitrate MR 13 2012
Revised Total Coliform Rule MON 12 2025
Public Notice Other 10 2013
Lead and Copper Rule MR 8 2023
E. COLI MR 8 2023
Barium MR 4 1995
Mercury MR 4 1995
Arsenic MR 4 1995

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 Alpine Valley Resort.

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 WI2650160 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 Alpine Valley Resort 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 12 SDWIS / WI2650160 / 8000
2023 Lead and Copper Rule MR 8 SDWIS / WI2650160 / 5000
2023 E. COLI MR 8 SDWIS / WI2650160 / 3014
2013 Public Notice Other 10 SDWIS / WI2650160 / 7500
2012 Coliform (TCR) MR 33 SDWIS / WI2650160 / 3100
2012 1,2,4-Trichlorobenzene MR 17 SDWIS / WI2650160 / 2378
2012 DICHLOROMETHANE MR 17 SDWIS / WI2650160 / 2964
2012 p-Dichlorobenzene MR 17 SDWIS / WI2650160 / 2969
2012 1,1-Dichloroethylene MR 17 SDWIS / WI2650160 / 2977
2012 1,2-Dichloroethane MR 17 SDWIS / WI2650160 / 2980
2012 Tetrachloroethylene MR 17 SDWIS / WI2650160 / 2987
2012 CHLOROBENZENE MR 17 SDWIS / WI2650160 / 2989
2012 Benzene MR 17 SDWIS / WI2650160 / 2990
2012 Ethylbenzene MR 17 SDWIS / WI2650160 / 2992
2012 Styrene MR 17 SDWIS / WI2650160 / 2996

How Alpine Valley Resort Compares

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

Metric Alpine Valley Resort Wisconsin avg Federal benchmark
Total violations 480 26 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 0 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 550 467 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 Alpine Valley Resort water safe to drink? ▼
Alpine Valley Resort (PWS ID: WI2650160) has 480 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 550 people using Groundwater sources.
How many people does Alpine Valley Resort serve? ▼
Alpine Valley Resort serves 550 people in East Troy, Wisconsin. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does Alpine Valley Resort have? ▼
Alpine Valley Resort has 480 total violations: 0 health-based violations (MCL exceedances or treatment failures), 470 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Alpine Valley Resort water? ▼
No PFAS testing data is available for Alpine Valley Resort under the EPA's UCMR5 monitoring program.
What water source does Alpine Valley Resort use? ▼
Alpine Valley Resort uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
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.