Madison County, Iowa — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
In Madison County, Iowa, public U.S. EPA records track 74 regulated facilities (#81 of 117 in Iowa), including 2 (2.7%) High-Risk sites and $8,059 in federal penalties. Countywide due diligence also covers 5 Safe Drinking Water (SDWIS) facilities, 11 Clean Water NPDES permits, 7 FEMA Federal Disaster Declarations (6 flood/storm), USDA Soil Foundation Shrink-Swell (HIGH signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Madison County, IA 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Madison County, IA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)Municipalities in Madison County
Top EPA Regulated Facilities in Madison County, IA
100% of High-Risk & penalized facilities have facility names, street names, and dockets redacted (3 Low-Risk compliant records shown as Free Previews).
| Facility Name / Hazard Type | Sector Location (Street Redacted) | Risk Tier & Score | Compliance Status | Enforcement / Unlock |
|---|---|---|---|---|
| 🔒 Locked High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • WINTERSET, IA (ZIP 50273 Sector) | HIGH (64/100) | Significant Violation (10 qtrs NC) | 🔒 10 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • EARLHAM, IA (ZIP 50072 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • EARLHAM, IA (ZIP 50072 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (8 qtrs NC) | 🔒 8 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • PERU, IA (ZIP 50222 Sector) | MODERATE (30/100) | Violation Identified (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • WINTERSET, IA (ZIP 50273 Sector) | MODERATE (30/100) | Violation Identified (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • PATTERSON, IA (ZIP 50218 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • MACKSBURG, IA (ZIP 50155 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • BEVINGTON, IA (ZIP 50033 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (5 qtrs NC) | 🔒 5 Qtrs Non-Compliance • Unlock → |
| MAHLE FILTER SYSTEMS NORTH AMERICA INC FREE PREVIEW (LOW RISK) | 505 EAST MADISON STREET, WINTERSET, IA 50273 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| THREE D INDUSTRIES LLC - FSO FREE PREVIEW (LOW RISK) | 1200 HIGHWAY 92 EAST, WINTERSET, IA 50273 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| MFI MERCHANDISING FREE PREVIEW (LOW RISK) | 1300 EAST BUCHANAN STREET, WINTERSET, IA 50273 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| NATURAL GAS PIPELINE CO OF AMERICA - STATION 108 FREE PREVIEW (LOW RISK) | 1580 HIGHWAY G64, TRURO, IA 50257 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Madison County, Iowa Environmental Due Diligence
How many EPA-regulated environmental sites are in Madison County, Iowa?
Public U.S. EPA records track 74 regulated facilities in Madison County, Iowa (ranking #81 of 117 jurisdictions in IA). Of those, 2 (2.7%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 3 (4.1%) have active non-compliance quarters.
Which ZIP codes and cities in Madison County have the highest regulated facility density?
Within Madison County, the highest concentrations of EPA-tracked facilities are located in ZIP 50273 (Winterset, 43 sites), ZIP 50072 (Earlham, 19 sites), ZIP 50240 (St Charles, 6 sites), spanning municipal corridors including Winterset (43 sites), St Charles (3 sites), Macksburg (3 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Madison County?
Across Madison County, 39 facilities (52.7% 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 Madison County, IA?
Geologic indoor air screening places Madison 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 Madison County, IA?
Federal records track 5 Safe Drinking Water (SDWIS) facilities, 11 Clean Water Act NPDES permits, and 0 impaired water dischargers in Madison County, alongside 7 historical FEMA federal disaster declarations (6 flood/storm events).
Does Madison County, IA have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Madison County indicates a HIGH shrink-swell risk signal and steel pipe corrosivity rated High. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.