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States → Wisconsin

Non-Transient Non-Community Water System · PWS WI2522925

Discovery Days II

Wind Lake, Wisconsin 53185 - drinking water served from groundwater sources to 132 people, tracked in EPA SDWIS and UCMR5.

132
People served
115
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 115 drinking-water violations at Discovery Days II - above the Wisconsin per-system average.

115
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
132
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Discovery Days II

Discovery Days II is a private-owned non-transient non-community water system that delivers drinking water to 132 residents in Wind Lake, Wisconsin (Racine County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 115 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 113 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is Vinyl chloride, recorded in 5 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%).

Discovery Days II's 115 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
132
Total Violations
115
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
1
County
Racine
School/Daycare
Yes
MCL Violations
0
Monitoring Violations
113
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Vinyl chloride MR 5 2020
DICHLOROMETHANE MR 5 2020
cis-1,2-Dichloroethylene MR 5 2020
1,2,4-Trichlorobenzene MR 5 2020
Trichloroethylene MR 5 2020
Styrene MR 5 2020
1,1,1-Trichloroethane MR 5 2020
Ethylbenzene MR 5 2020
Toluene MR 5 2020
1,1,2-Trichloroethane MR 5 2020
1,2-Dichloropropane MR 5 2020
Carbon tetrachloride MR 5 2020
p-Dichlorobenzene MR 5 2020
trans-1,2-Dichloroethylene MR 5 2020
Xylenes, Total MR 5 2020
CHLOROBENZENE MR 5 2020
1,1-Dichloroethylene MR 5 2020
Benzene MR 5 2020
Tetrachloroethylene MR 5 2020
o-Dichlorobenzene MR 5 2020
1,2-Dichloroethane MR 5 2020
Lead and Copper Rule MR 4 2023
Revised Total Coliform Rule MON 4 2022
Public Notice Other 2 2022

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 Discovery Days II.

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 WI2522925 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 Discovery Days II 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
2023 Lead and Copper Rule MR 4 SDWIS / WI2522925 / 5000
2022 Revised Total Coliform Rule MON 4 SDWIS / WI2522925 / 8000
2022 Public Notice Other 2 SDWIS / WI2522925 / 7500
2020 Vinyl chloride MR 5 SDWIS / WI2522925 / 2976
2020 DICHLOROMETHANE MR 5 SDWIS / WI2522925 / 2964
2020 cis-1,2-Dichloroethylene MR 5 SDWIS / WI2522925 / 2380
2020 1,2,4-Trichlorobenzene MR 5 SDWIS / WI2522925 / 2378
2020 Trichloroethylene MR 5 SDWIS / WI2522925 / 2984
2020 Styrene MR 5 SDWIS / WI2522925 / 2996
2020 1,1,1-Trichloroethane MR 5 SDWIS / WI2522925 / 2981
2020 Ethylbenzene MR 5 SDWIS / WI2522925 / 2992
2020 Toluene MR 5 SDWIS / WI2522925 / 2991
2020 1,1,2-Trichloroethane MR 5 SDWIS / WI2522925 / 2985
2020 1,2-Dichloropropane MR 5 SDWIS / WI2522925 / 2983
2020 Carbon tetrachloride MR 5 SDWIS / WI2522925 / 2982

How Discovery Days II Compares

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

Metric Discovery Days II Wisconsin avg Federal benchmark
Total violations 115 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 25.2% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 132 467 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 Discovery Days II water safe to drink? ▼
Discovery Days II (PWS ID: WI2522925) has 115 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 132 people using Groundwater sources.
How many people does Discovery Days II serve? ▼
Discovery Days II serves 132 people in Wind Lake, Wisconsin. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does Discovery Days II have? ▼
Discovery Days II has 115 total violations: 0 health-based violations (MCL exceedances or treatment failures), 113 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Discovery Days II water? ▼
No PFAS testing data is available for Discovery Days II under the EPA's UCMR5 monitoring program.
What water source does Discovery Days II use? ▼
Discovery Days II 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.