Non-Transient Non-Community Water System · PWS WI2520691

Moerke Display

Union Grove, Wisconsin 53182 - drinking water served from groundwater sources to 32 people, tracked in EPA SDWIS and UCMR5.

Compiled by PlainWater Editorial, Drinking Water Quality Editorial Team · May 15, 2026

32
People served: 226
EPA violations: 0
Health-based: Untested
UCMR5 result

The verdict

EPA records 226 drinking-water violations at Moerke Display - above the Wisconsin per-system average.

226
Total EPA violations on record: 0%
Health-based (MCL / treatment failure): 32
People served by this system: N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Moerke Display

Moerke Display is a private-owned non-transient non-community water system that delivers drinking water to 32 residents in Union Grove, Wisconsin (Racine County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 226 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 220 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Ethylbenzene, recorded in 10 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%).

Moerke Display's 226 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

Total Violations

226

Health-Based Violations

Water Source

Groundwater

System Details

System Type: Non-Transient Non-Community
Owner Type: Private
Connections: 1
County: Racine
School/Daycare: No
MCL Violations: 0
Monitoring Violations: 220
Treatment Tech Violations: 0

Violation History

Contaminant violations recorded by EPA.

Contaminant	Category	Count	Latest
Ethylbenzene	MR	10	2016
Styrene	MR	10	2016
Toluene	MR	10	2016
Benzene	MR	10	2016
CHLOROBENZENE	MR	10	2016
1,2-Dichloropropane	MR	10	2016
1,1,1-Trichloroethane	MR	10	2016
trans-1,2-Dichloroethylene	MR	10	2016
1,1-Dichloroethylene	MR	10	2016
Vinyl chloride	MR	10	2016
p-Dichlorobenzene	MR	10	2016
cis-1,2-Dichloroethylene	MR	10	2016
1,2,4-Trichlorobenzene	MR	10	2016
Xylenes, Total	MR	10	2016
1,1,2-Trichloroethane	MR	10	2016
Carbon tetrachloride	MR	10	2016
o-Dichlorobenzene	MR	10	2016
Tetrachloroethylene	MR	10	2016
Trichloroethylene	MR	10	2016
DICHLOROMETHANE	MR	10	2016
1,2-Dichloroethane	MR	10	2016
Lead and Copper Rule	MR	7	2017
Public Notice	Other	6	2016
Revised Total Coliform Rule	MON	3	2024

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 Moerke Display.

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 WI2520691 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 Moerke Display 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
2024	Revised Total Coliform Rule	MON	3	SDWIS / WI2520691 / 8000
2017	Lead and Copper Rule	MR	7	SDWIS / WI2520691 / 5000
2016	Ethylbenzene	MR	10	SDWIS / WI2520691 / 2992
2016	Styrene	MR	10	SDWIS / WI2520691 / 2996
2016	Toluene	MR	10	SDWIS / WI2520691 / 2991
2016	Benzene	MR	10	SDWIS / WI2520691 / 2990
2016	CHLOROBENZENE	MR	10	SDWIS / WI2520691 / 2989
2016	1,2-Dichloropropane	MR	10	SDWIS / WI2520691 / 2983
2016	1,1,1-Trichloroethane	MR	10	SDWIS / WI2520691 / 2981
2016	trans-1,2-Dichloroethylene	MR	10	SDWIS / WI2520691 / 2979
2016	1,1-Dichloroethylene	MR	10	SDWIS / WI2520691 / 2977
2016	Vinyl chloride	MR	10	SDWIS / WI2520691 / 2976
2016	p-Dichlorobenzene	MR	10	SDWIS / WI2520691 / 2969
2016	cis-1,2-Dichloroethylene	MR	10	SDWIS / WI2520691 / 2380
2016	1,2,4-Trichlorobenzene	MR	10	SDWIS / WI2520691 / 2378

How Moerke Display Compares

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

Metric	Moerke Display	Wisconsin avg	Federal benchmark
Total violations	226	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	32	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 Moerke Display water safe to drink? ▼

Moerke Display (PWS ID: WI2520691) has 226 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 32 people using Groundwater sources.

How many people does Moerke Display serve? ▼

Moerke Display serves 32 people in Union Grove, Wisconsin. It is a Private-owned system using Groundwater water sources with 1 service connections.

What type of violations does Moerke Display have? ▼

Moerke Display has 226 total violations: 0 health-based violations (MCL exceedances or treatment failures), 220 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.

Has PFAS been detected in Moerke Display water? ▼

No PFAS testing data is available for Moerke Display under the EPA's UCMR5 monitoring program.

What water source does Moerke Display use? ▼

Moerke Display 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.