PlainWater
States → Wisconsin

SEVEN MILE FAIR EXPO BLDG

PWS ID: WI2520393 · CALEDONIA, Wisconsin 53108-9743

SEVEN MILE FAIR EXPO BLDG serves 999 people in CALEDONIA, Wisconsin using Groundwater water sources. It has 124 recorded EPA violations, including 11 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: SEVEN MILE FAIR EXPO BLDG

SEVEN MILE FAIR EXPO BLDG is a private-owned non-transient non-community water system that delivers drinking water to 999 residents in CALEDONIA, Wisconsin (Racine County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 124 total violations for this system , of which 11 (9%) 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 2025.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 11 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. SEVEN MILE FAIR EXPO BLDG's 124 violations sit above the Wisconsin average. Statewide, 78 of 202 UCMR5-tested systems have reported PFAS detections (38.6%). 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
999
Total Violations
124
Health-Based Violations
11
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
1
County
Racine
School/Daycare
No
MCL Violations
10
Monitoring Violations
113
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 11 1996
Coliform (TCR) MCL 10 2015
Lead and Copper Rule MR 6 2023
HEXACHLOROBENZENE MR 4 1995
Heptachlor epoxide MR 4 1995
LASSO MR 4 1995
Atrazine MR 4 1995
Carbofuran MR 4 1995
Aldicarb sulfone MR 4 1995
Aldicarb sulfoxide MR 4 1995
Simazine MR 4 1995
Toxaphene MR 4 1995
BHC-GAMMA MR 4 1995
Pentachlorophenol MR 4 1995
Total Polychlorinated Biphenyls (PCB) MR 4 1995
Hexachlorocyclopentadiene MR 4 1995
2,4-D MR 4 1995
Methoxychlor MR 4 1995
OXAMYL MR 4 1995
Chlordane MR 4 1995
Heptachlor MR 4 1995
Dalapon MR 4 1995
Endrin MR 4 1995
Picloram MR 4 1995
Aldicarb MR 4 1995
Dinoseb MR 4 1995
2,4,5-TP MR 4 1995
Groundwater Rule TT 1 2025

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 SEVEN MILE FAIR EXPO BLDG.

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 WI2520393 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 SEVEN MILE FAIR EXPO BLDG 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
2025 Groundwater Rule TT 1 SDWIS / WI2520393 / 0700
2023 Lead and Copper Rule MR 6 SDWIS / WI2520393 / 5000
2015 Coliform (TCR) MCL 10 SDWIS / WI2520393 / 3100
1996 Coliform (TCR) MR 11 SDWIS / WI2520393 / 3100
1995 HEXACHLOROBENZENE MR 4 SDWIS / WI2520393 / 2274
1995 Heptachlor epoxide MR 4 SDWIS / WI2520393 / 2067
1995 LASSO MR 4 SDWIS / WI2520393 / 2051
1995 Atrazine MR 4 SDWIS / WI2520393 / 2050
1995 Carbofuran MR 4 SDWIS / WI2520393 / 2046
1995 Aldicarb sulfone MR 4 SDWIS / WI2520393 / 2044
1995 Aldicarb sulfoxide MR 4 SDWIS / WI2520393 / 2043
1995 Simazine MR 4 SDWIS / WI2520393 / 2037
1995 Toxaphene MR 4 SDWIS / WI2520393 / 2020
1995 BHC-GAMMA MR 4 SDWIS / WI2520393 / 2010
1995 Pentachlorophenol MR 4 SDWIS / WI2520393 / 2326

How SEVEN MILE FAIR EXPO BLDG Compares

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

Metric SEVEN MILE FAIR EXPO BLDG Wisconsin avg Federal benchmark
Total violations 124 26 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 11 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 999 467 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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is SEVEN MILE FAIR EXPO BLDG water safe to drink? ▼
SEVEN MILE FAIR EXPO BLDG (PWS ID: WI2520393) has 124 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 999 people using Groundwater sources.
How many people does SEVEN MILE FAIR EXPO BLDG serve? ▼
SEVEN MILE FAIR EXPO BLDG serves 999 people in CALEDONIA, Wisconsin. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does SEVEN MILE FAIR EXPO BLDG have? ▼
SEVEN MILE FAIR EXPO BLDG has 124 total violations: 11 health-based violations (MCL exceedances or treatment failures), 113 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in SEVEN MILE FAIR EXPO BLDG water? ▼
No PFAS testing data is available for SEVEN MILE FAIR EXPO BLDG under the EPA's UCMR5 monitoring program.
What water source does SEVEN MILE FAIR EXPO BLDG use? ▼
SEVEN MILE FAIR EXPO BLDG 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.

Explore PlainWater

Water in Wisconsin

All systems in state
All States

Water quality by state
Contaminants

PFAS & other pollutants
Guides

Understanding water quality

Related Data for Wisconsin

Environmental Data → Natural Hazards → Air Quality → Healthcare Access → Climate Data →
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.

Related

Browse all → | Rankings →
Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial