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Transient Non-Community Water System · PWS WI2684464

Carl Schurz Memorial Park Dance Hall

Hartland, Wisconsin 53029-0387 - drinking water served from groundwater sources to 25 people, tracked in EPA SDWIS and UCMR5.

25
People served
27
EPA violations
12
Health-based
Untested
UCMR5 result

The verdict

EPA records 27 drinking-water violations at Carl Schurz Memorial Park Dance Hall, 44% of them health-based - above the Wisconsin per-system average.

27
Total EPA violations on record
44%
Health-based (MCL / treatment failure)
25
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Carl Schurz Memorial Park Dance Hall

Carl Schurz Memorial Park Dance Hall is a private-owned transient non-community water system that delivers drinking water to 25 residents in Hartland, Wisconsin (Waukesha County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 27 total violations for this system , of which 12 (44%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 7 monitoring and reporting violations are on file. The most recent violation on record dates to 2021.

The most frequently cited contaminant at this system is Revised Total Coliform Rule, recorded in 8 violations (TT, health-based). 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%).

Carl Schurz Memorial Park Dance Hall's 27 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
25
Total Violations
27
Health-Based Violations
12
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
Private
Connections
1
County
Waukesha
School/Daycare
No
MCL Violations
4
Monitoring Violations
7
Treatment Tech Violations
8

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule TT 8 2020
Public Notice Other 4 2020
E. COLI MR 4 2021
Coliform (TCR) MCL 4 1996
Revised Total Coliform Rule RPT 4 2021
Nitrate MR 1 1995
Coliform (TCR) MR 1 1996
Nitrite MR 1 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 Carl Schurz Memorial Park Dance Hall.

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 WI2684464 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 Carl Schurz Memorial Park Dance Hall 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
2021 E. COLI MR 4 SDWIS / WI2684464 / 3014
2021 Revised Total Coliform Rule RPT 4 SDWIS / WI2684464 / 8000
2020 Revised Total Coliform Rule TT 8 SDWIS / WI2684464 / 8000
2020 Public Notice Other 4 SDWIS / WI2684464 / 7500
1996 Coliform (TCR) MCL 4 SDWIS / WI2684464 / 3100
1996 Coliform (TCR) MR 1 SDWIS / WI2684464 / 3100
1995 Nitrate MR 1 SDWIS / WI2684464 / 1040
1995 Nitrite MR 1 SDWIS / WI2684464 / 1041

How Carl Schurz Memorial Park Dance Hall Compares

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

Metric Carl Schurz Memorial Park Dance Hall Wisconsin avg Federal benchmark
Total violations 27 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 25 467 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 Carl Schurz Memorial Park Dance Hall water safe to drink? ▼
Carl Schurz Memorial Park Dance Hall (PWS ID: WI2684464) has 27 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 25 people using Groundwater sources.
How many people does Carl Schurz Memorial Park Dance Hall serve? ▼
Carl Schurz Memorial Park Dance Hall serves 25 people in Hartland, Wisconsin. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does Carl Schurz Memorial Park Dance Hall have? ▼
Carl Schurz Memorial Park Dance Hall has 27 total violations: 12 health-based violations (MCL exceedances or treatment failures), 7 monitoring/reporting violations, and 8 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Carl Schurz Memorial Park Dance Hall water? ▼
No PFAS testing data is available for Carl Schurz Memorial Park Dance Hall under the EPA's UCMR5 monitoring program.
What water source does Carl Schurz Memorial Park Dance Hall use? ▼
Carl Schurz Memorial Park Dance Hall uses Groundwater as its primary water source. It is classified as a Transient Non-Community Water System, serving transient populations.
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.