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Sauk County, Wisconsin — Property Hazard, Flood Zone, Soil, Water & EPA Guide

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What Are the Flood, Soil Foundation & EPA Risks in Sauk County, WI?

In Sauk County, Wisconsin, public U.S. EPA records track 10 regulated facilities (#94 of 94 in Wisconsin), including 0 (0.0%) High-Risk sites and $0 in federal penalties. Countywide due diligence also covers 0 Safe Drinking Water (SDWIS) facilities, 6 Clean Water NPDES permits, 1 FEMA Federal Disaster Declarations (1 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).

Total EPA Sites (#94/94)
10
High-Risk (0.0% vs 0.6% State)
0
Active Violators (10.0%)
1
Drinking & Clean Water
6
Federal Penalties
$0

Sauk 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
1 County FEMA Declarations (1 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
0 SDWIS Systems • 6 NPDES Permits
🔒 2 Impaired Water (303d) & 1 Violation Dockets Locked
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☢️ EPA Radon & Karst Sinkhole
EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L)
Low / Non-Karst Bedrock & Alluvial Formation
🔒 0.25-Mi Vapor Intrusion Buffer Locked

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

SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)
1. County Regulatory & Water Program Mix
RCRA Hazardous Waste Generators 0 (0.0%)
Clean Water (NPDES) & Drinking Water (SDWIS) 6 (60.0%)
Active EPA Non-Compliance Dockets 1 (10.0%)
High-Risk Enforcement Facilities 0 (0.0%)
2. FEMA NRI & USGS Hazard Index (1–10) Relatively Low (72.1/100)
🌊 Flood Exposure 5/10 • Moderate Hazard
🔥 Wildfire Hazard 1/10 • Very Low Hazard
☀️ Extreme Heat 3/10 • Low Hazard
🌪️ Severe Wind / Storm 5/10 • Moderate Hazard
🫨 USGS Earthquake 2/10 • Low Seismic Hazard
3. County vs. State & National Benchmark
Sauk 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 Sauk County

ZIP Codes in Sauk County

Top EPA Regulated Facilities in Sauk 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 • LAKE DELTON, WI (ZIP 53940 Sector) MODERATE (42/100) Violation Identified (9 qtrs NC) 🔒 9 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • REEDSBURG, WI (ZIP 53959 Sector) MODERATE (30/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #3 🔒 Exact Street & Parcel Redacted • SPRING GREEN, WI (ZIP 53588 Sector) MODERATE (30/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • BARABOO, WI (ZIP 53913 Sector) MODERATE (30/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
SEAT INCORPORATED FREE PREVIEW (LOW RISK) 350 N DEWEY ST, REEDSBURG, WI 53959 LOW (16/100) No Violation Identified (0 qtrs NC) $0
BADGER TESTING CAMPUS FREE PREVIEW (LOW RISK) FORMER BADGER ARMY AMMUNITION PLANT, NORTH FREEDOM, WI 53951 LOW (13/100) No Violation Identified (0 qtrs NC) $0
HO-CHUNK GAMING WI DELLS FREE PREVIEW (LOW RISK) S3214 CTY RD. BD, BARABOO, WI 53913 LOW (13/100) No Violation Identified (0 qtrs NC) $0
SYSCO BARABOO FREE PREVIEW (LOW RISK) 910 SOUTH BLVD, BARABOO, WI 53913 LOW (12/100) No Violation Identified (0 qtrs NC) $0
🔒 Locked Regulated EPA Enforcement Record #5 🔒 Exact Street & Parcel Redacted • PRAIRIE DU SAC, WI (ZIP 53578 Sector) LOW (11/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #6 🔒 Exact Street & Parcel Redacted • SAUK CITY, WI (ZIP 53583 Sector) LOW (9/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →

Frequently Asked Questions — Sauk County, Wisconsin Environmental Due Diligence

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

Public U.S. EPA records track 10 regulated facilities in Sauk County County, Wisconsin (ranking #94 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 1 (10.0%) have active non-compliance quarters.

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

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

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

Across Sauk 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 Sauk County County, WI?

Geologic indoor air screening places Sauk County County in EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L). Counties in EPA Radon Zone 2 have a predicted average indoor radon level between 2.0 and 4.0 pCi/L. Testing basement or ground-floor living areas is recommended during home inspection.

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

Federal records track 0 Safe Drinking Water (SDWIS) facilities, 6 Clean Water Act NPDES permits, and 2 impaired water dischargers in Sauk County County, alongside 1 historical FEMA federal disaster declarations (1 flood/storm events).

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

USDA regional soil engineering screening for Sauk 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.

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