PlainWater
States → Wisconsin

Non-Transient Non-Community Water System · PWS WI1130560

Edgerton I90 Travel Plaza

Edgerton, Wisconsin 53534 - drinking water served from groundwater sources to 533 people, tracked in EPA SDWIS and UCMR5.

533
People served
328
EPA violations
15
Health-based
Untested
UCMR5 result

The verdict

EPA records 328 drinking-water violations at Edgerton I90 Travel Plaza, 5% of them health-based - above the Wisconsin per-system average.

328
Total EPA violations on record
5%
Health-based (MCL / treatment failure)
533
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Edgerton I90 Travel Plaza

Edgerton I90 Travel Plaza is a private-owned non-transient non-community water system that delivers drinking water to 533 residents in Edgerton, Wisconsin (Dane County) through 2 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 328 total violations for this system , of which 15 (5%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 306 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

The most frequently cited contaminant at this system is Nitrate, recorded in 21 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%).

Edgerton I90 Travel Plaza's 328 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
533
Total Violations
328
Health-Based Violations
15
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
2
County
Dane
School/Daycare
No
MCL Violations
15
Monitoring Violations
306
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 21 2022
Coliform (TCR) MR 19 2014
Lead and Copper Rule MR 18 2020
Coliform (TCR) MCL 15 1996
1,2,4-Trichlorobenzene MR 8 2003
1,1,1-Trichloroethane MR 8 2003
1,2-Dichloropropane MR 8 2003
Trichloroethylene MR 8 2003
Tetrachloroethylene MR 8 2003
CHLOROBENZENE MR 8 2003
Ethylbenzene MR 8 2003
Styrene MR 8 2003
cis-1,2-Dichloroethylene MR 8 2003
Carbon tetrachloride MR 8 2003
Benzene MR 8 2003
p-Dichlorobenzene MR 8 2003
trans-1,2-Dichloroethylene MR 8 2003
Xylenes, Total MR 8 2003
DICHLOROMETHANE MR 8 2003
Toluene MR 8 2003
Vinyl chloride MR 8 2003
1,1,2-Trichloroethane MR 8 2003
1,2-Dichloroethane MR 8 2003
o-Dichlorobenzene MR 8 2003
1,1-Dichloroethylene MR 8 2003
Public Notice Other 7 2016
Di(2-ethylhexyl) phthalate MR 4 2010
Di(2-ethylhexyl) adipate MR 4 2010
2,4,5-TP MR 3 1995
Total Polychlorinated Biphenyls (PCB) MR 3 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 Edgerton I90 Travel Plaza.

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 WI1130560 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 Edgerton I90 Travel Plaza 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
2022 Nitrate MR 21 SDWIS / WI1130560 / 1040
2020 Lead and Copper Rule MR 18 SDWIS / WI1130560 / 5000
2016 Public Notice Other 7 SDWIS / WI1130560 / 7500
2014 Coliform (TCR) MR 19 SDWIS / WI1130560 / 3100
2010 Di(2-ethylhexyl) phthalate MR 4 SDWIS / WI1130560 / 2039
2010 Di(2-ethylhexyl) adipate MR 4 SDWIS / WI1130560 / 2035
2003 1,2,4-Trichlorobenzene MR 8 SDWIS / WI1130560 / 2378
2003 1,1,1-Trichloroethane MR 8 SDWIS / WI1130560 / 2981
2003 1,2-Dichloropropane MR 8 SDWIS / WI1130560 / 2983
2003 Trichloroethylene MR 8 SDWIS / WI1130560 / 2984
2003 Tetrachloroethylene MR 8 SDWIS / WI1130560 / 2987
2003 CHLOROBENZENE MR 8 SDWIS / WI1130560 / 2989
2003 Ethylbenzene MR 8 SDWIS / WI1130560 / 2992
2003 Styrene MR 8 SDWIS / WI1130560 / 2996
2003 cis-1,2-Dichloroethylene MR 8 SDWIS / WI1130560 / 2380

How Edgerton I90 Travel Plaza Compares

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

Metric Edgerton I90 Travel Plaza Wisconsin avg Federal benchmark
Total violations 328 26 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 15 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 533 467 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 Edgerton I90 Travel Plaza water safe to drink? ▼
Edgerton I90 Travel Plaza (PWS ID: WI1130560) has 328 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 533 people using Groundwater sources.
How many people does Edgerton I90 Travel Plaza serve? ▼
Edgerton I90 Travel Plaza serves 533 people in Edgerton, Wisconsin. It is a Private-owned system using Groundwater water sources with 2 service connections.
What type of violations does Edgerton I90 Travel Plaza have? ▼
Edgerton I90 Travel Plaza has 328 total violations: 15 health-based violations (MCL exceedances or treatment failures), 306 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Edgerton I90 Travel Plaza water? ▼
No PFAS testing data is available for Edgerton I90 Travel Plaza under the EPA's UCMR5 monitoring program.
What water source does Edgerton I90 Travel Plaza use? ▼
Edgerton I90 Travel Plaza 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.