Transient Non-Community Water System · PWS WI2460566

Emr LLC Dba 5 Corners Truck & Auto

Cedarburg, Wisconsin 53012 - drinking water served from groundwater sources to 97 people, tracked in EPA SDWIS and UCMR5.

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

97
People served: 886
EPA violations: 81
Health-based: Untested
UCMR5 result

The verdict

EPA records 886 drinking-water violations at Emr LLC Dba 5 Corners Truck & Auto, 9% of them health-based - above the Wisconsin per-system average.

886
Total EPA violations on record: 9%
Health-based (MCL / treatment failure): 97
People served by this system: N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Emr LLC Dba 5 Corners Truck & Auto

Emr LLC Dba 5 Corners Truck & Auto is a private-owned transient non-community water system that delivers drinking water to 97 residents in Cedarburg, Wisconsin (Ozaukee County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 886 total violations for this system , of which 81 (9%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 795 monitoring and reporting violations are on file. The most recent violation on record dates to 2017.

The most frequently cited contaminant at this system is Nitrate, recorded in 86 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%).

Emr LLC Dba 5 Corners Truck & Auto's 886 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

886

Health-Based Violations

Water Source

Groundwater

System Details

System Type: Transient Non-Community
Owner Type: Private
Connections: 1
County: Ozaukee
School/Daycare: No
MCL Violations: 81
Monitoring Violations: 795
Treatment Tech Violations: 0

Violation History

Contaminant violations recorded by EPA.

Contaminant	Category	Count	Latest
Nitrate	MR	86	2003
Arsenic	MCL	81	2013
Coliform (TCR)	MR	70	2008
Lead and Copper Rule	MR	36	2017
Arsenic	MR	31	2016
Barium	MR	12	2001
Mercury	MR	12	2001
Nitrate-Nitrite	MR	12	2001
Beryllium, Total	MR	12	2001
Thallium, Total	MR	12	2001
Nickel	MR	12	2001
Chromium	MR	12	2001
Nitrite	MR	12	2001
Selenium	MR	12	2001
Antimony, Total	MR	12	2001
Cadmium	MR	12	2001
Fluoride	MR	12	2001
Public Notice	Other	10	2011
Endothall	MR	9	2001
Atrazine	MR	9	2001
Carbofuran	MR	9	2001
Dinoseb	MR	9	2001
Picloram	MR	9	2001
Simazine	MR	9	2001
2,4,5-TP	MR	9	2001
2,4-D	MR	9	2001
Heptachlor epoxide	MR	9	2001
OXAMYL	MR	9	2001
Methoxychlor	MR	9	2001
Endrin	MR	9	2001

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 Emr LLC Dba 5 Corners Truck & Auto.

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 WI2460566 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 Emr LLC Dba 5 Corners Truck & Auto 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
2017	Lead and Copper Rule	MR	36	SDWIS / WI2460566 / 5000
2016	Arsenic	MR	31	SDWIS / WI2460566 / 1005
2016	Chlorine	MR	7	SDWIS / WI2460566 / 0999
2014	Total Haloacetic Acids (HAA5)	MR	8	SDWIS / WI2460566 / 2456
2014	TTHM	MR	8	SDWIS / WI2460566 / 2950
2013	Arsenic	MCL	81	SDWIS / WI2460566 / 1005
2011	Public Notice	Other	10	SDWIS / WI2460566 / 7500
2008	Coliform (TCR)	MR	70	SDWIS / WI2460566 / 3100
2003	Nitrate	MR	86	SDWIS / WI2460566 / 1040
2001	Barium	MR	12	SDWIS / WI2460566 / 1010
2001	Mercury	MR	12	SDWIS / WI2460566 / 1035
2001	Nitrate-Nitrite	MR	12	SDWIS / WI2460566 / 1038
2001	Beryllium, Total	MR	12	SDWIS / WI2460566 / 1075
2001	Thallium, Total	MR	12	SDWIS / WI2460566 / 1085
2001	Nickel	MR	12	SDWIS / WI2460566 / 1036

How Emr LLC Dba 5 Corners Truck & Auto Compares

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

Metric	Emr LLC Dba 5 Corners Truck & Auto	Wisconsin avg	Federal benchmark
Total violations	886	26	SDWA compliance, any non-zero count is a recorded breach
Health-based violations	81	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	97	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 Emr LLC Dba 5 Corners Truck & Auto water safe to drink? ▼

Emr LLC Dba 5 Corners Truck & Auto (PWS ID: WI2460566) has 886 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 97 people using Groundwater sources.

How many people does Emr LLC Dba 5 Corners Truck & Auto serve? ▼

Emr LLC Dba 5 Corners Truck & Auto serves 97 people in Cedarburg, Wisconsin. It is a Private-owned system using Groundwater water sources with 1 service connections.

What type of violations does Emr LLC Dba 5 Corners Truck & Auto have? ▼

Emr LLC Dba 5 Corners Truck & Auto has 886 total violations: 81 health-based violations (MCL exceedances or treatment failures), 795 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.

Has PFAS been detected in Emr LLC Dba 5 Corners Truck & Auto water? ▼

No PFAS testing data is available for Emr LLC Dba 5 Corners Truck & Auto under the EPA's UCMR5 monitoring program.

What water source does Emr LLC Dba 5 Corners Truck & Auto use? ▼

Emr LLC Dba 5 Corners Truck & Auto 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.