PUBLIC DATA SOURCE: U.S. EPA ECHO, FRS, RCRA, TRI & FEMA NFHL 3,230,651 Regulated Sites • All 50 States • Data as of November 01, 2026
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6-IN-1 COUNTY ENVIRONMENTAL, WATER, SOIL & FLOOD HUB • WI

Walworth County, Wisconsin — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards

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In Walworth County, Wisconsin, public U.S. EPA records track 13 regulated facilities (#86 of 94 in Wisconsin), including 0 (0.0%) High-Risk sites and $0 in federal penalties. Countywide due diligence also covers 1 Safe Drinking Water (SDWIS) facilities, 5 Clean Water NPDES permits, 3 FEMA Federal Disaster Declarations (3 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).

Total EPA Sites (#86/94)
13
High-Risk (0.0% vs 0.6% State)
0
Active Violators (0.0%)
0
Drinking & Clean Water
6
Federal Penalties
$0

Walworth County, WI 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals

🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan
🌊 Flood Zone & FEMA Disaster History
3 County FEMA Declarations (3 Flood/Storm)
🔒 Exact Parcel Flood Zone (AE / VE / X) & SFHA Insurance Requirement Locked
Check Property Flood Zone →
🪨 USDA Soil, Foundation & Water Table
Shrink-Swell Risk Signal: MODERATE • Pipe Corrosion: Low
🔒 Exact USDA Soil Series, Linear Extensibility (LEP %) & Water Table Depth (ft) Locked
Unlock Parcel Soil Test →
🚰 Tap Water (SDWIS) & PFAS Check
1 SDWIS Systems • 5 NPDES Permits
🔒 0 Impaired Water (303d) & 0 Violation Dockets Locked
Unlock Utility Violation Log →
☢️ EPA Radon & Karst Sinkhole
EPA Zone 1 — High Potential (> 4.0 pCi/L)
Low / Non-Karst Bedrock Formation
🔒 0.25-Mi Vapor Intrusion Buffer Locked

📊 Walworth County, WI Statistical Risk Graphs & Multi-Hazard Telemetry

SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)
1. County Regulatory & Water Program Mix
RCRA Hazardous Waste Generators 0 (0.0%)
Clean Water (NPDES) & Drinking Water (SDWIS) 6 (46.2%)
Active EPA Non-Compliance Dockets 0 (0.0%)
High-Risk Enforcement Facilities 0 (0.0%)
2. FEMA NRI & USGS Hazard Index (1–10) Relatively Low (74.8/100)
🌊 Flood Exposure 7/10 • Relatively Moderate
🔥 Wildfire Hazard 3/10 • Very Low
☀️ Extreme Heat 7/10 • Relatively Low
🌪️ Severe Wind / Storm 9/10 • Relatively Moderate
🫨 USGS Earthquake 5/10 • Very Low
3. County vs. State & National Benchmark
Walworth County High-Risk % 0.0%
Wisconsin (WI) Statewide Avg 0.6%
U.S. National EPA Baseline 3.6%
Unlock Street-Level Dossier: Full report reveals unredacted facility names, distances in feet, exact USDA soil LEP %, water table depth, and parcel flood zone.
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Municipalities in Walworth County

ZIP Codes in Walworth County

Top EPA Regulated Facilities in Walworth County, WI

100% of High-Risk & penalized facilities have facility names, street names, and dockets redacted (3 Low-Risk compliant records shown as Free Previews).

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Facility Name / Hazard Type Sector Location (Street Redacted) Risk Tier & Score Compliance Status Enforcement / Unlock
🔒 Locked Regulated EPA Enforcement Record #1 🔒 Exact Street & Parcel Redacted • SHARON, WI (ZIP 53585 Sector) MODERATE (30/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • DELAVAN, WI (ZIP 53115 Sector) MODERATE (30/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #3 🔒 Exact Street & Parcel Redacted • SHARON, WI (ZIP 53585 Sector) MODERATE (30/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
UNIVERSITY OF WISCONSIN WHITE FREE PREVIEW (LOW RISK) 800 W MAIN ST, WHITEWATER, WI 53190 LOW (12/100) No Violation Identified (0 qtrs NC) $0
R & L SPRING CO FREE PREVIEW (LOW RISK) 1097 GENEVA PARKWAY, LAKE GENEVA, WI 53147 LOW (12/100) No Violation Identified (0 qtrs NC) $0
ROYAL BASKET TRUCKS INC FREE PREVIEW (LOW RISK) 201 BADGER PARKWAY, DARIEN, WI 53114 LOW (12/100) No Violation Identified (0 qtrs NC) $0
BRENNAN FARM FREE PREVIEW (LOW RISK) N967 HIGHWAY 120, LAKE GENEVA, WI 53147 LOW (12/100) No Violation Identified (0 qtrs NC) $0
🔒 Locked Regulated EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • LAKE GENEVA, WI (ZIP 53147 Sector) LOW (11/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #5 🔒 Exact Street & Parcel Redacted • EAST TROY, WI (ZIP 53120 Sector) LOW (10/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #6 🔒 Exact Street & Parcel Redacted • EAST TROY, WI (ZIP 53120 Sector) LOW (9/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #7 🔒 Exact Street & Parcel Redacted • ELKHORN, WI (ZIP 53121 Sector) LOW (9/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #8 🔒 Exact Street & Parcel Redacted • EAST TROY, WI (ZIP 53120 Sector) LOW (8/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 + 1 Additional Regulated & Enforcement Records in Walworth County Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

Frequently Asked Questions — Walworth County, Wisconsin Environmental Due Diligence

How many EPA-regulated environmental sites are in Walworth County County, Wisconsin?

Public U.S. EPA records track 13 regulated facilities in Walworth County County, Wisconsin (ranking #86 of 94 jurisdictions in WI). Of those, 0 (0.0%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 0 (0.0%) have active non-compliance quarters.

Which ZIP codes and cities in Walworth County County have the highest regulated facility density?

Within Walworth County County, the highest concentrations of EPA-tracked facilities are located in local postal sectors, spanning municipal corridors including Walworth County.

How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Walworth County County?

Across Walworth County County, 0 facilities (0.0% of regulated sites) are registered Resource Conservation and Recovery Act (RCRA) hazardous waste generators or handlers, and 0 industrial sites report toxic chemical releases to the EPA Toxics Release Inventory (TRI).

What is the EPA Radon Zone classification for Walworth County County, WI?

Geologic indoor air screening places Walworth County County in EPA Zone 1 — High Potential (> 4.0 pCi/L). Counties in EPA Radon Zone 1 have a predicted average indoor radon screening level greater than 4.0 pCi/L (the EPA action threshold). Short-term or continuous indoor radon testing is strongly recommended prior to closing.

How many drinking water systems (SDWIS), impaired water bodies, and FEMA flood disasters are recorded in Walworth County County, WI?

Federal records track 1 Safe Drinking Water (SDWIS) facilities, 5 Clean Water Act NPDES permits, and 0 impaired water dischargers in Walworth County County, alongside 3 historical FEMA federal disaster declarations (3 flood/storm events).

Does Walworth County, WI have expansive clay soil or foundation risk?

USDA regional soil engineering screening for Walworth County indicates a MODERATE shrink-swell risk signal and steel pipe corrosivity rated Low. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.