Iowa County, Iowa — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Iowa County, IA?
In Iowa County, Iowa, public U.S. EPA records track 136 regulated facilities (#40 of 117 in Iowa), including 6 (4.4%) High-Risk sites and $5,000 in federal penalties. Countywide due diligence also covers 33 Safe Drinking Water (SDWIS) facilities, 29 Clean Water NPDES permits, 1 FEMA Federal Disaster Declarations (1 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Iowa 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📊 Iowa County, IA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)Municipalities in Iowa County
Top EPA Regulated Facilities in Iowa 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 • WILLIAMSBURG, IA (ZIP 52361 Sector) | HIGH (73/100) | Significant Violation (12 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • WILLIAMSBURG, IA (ZIP 52361 Sector) | HIGH (64/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • WILLIAMSBURG, IA (ZIP 52361 Sector) | HIGH (64/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • MARENGO, IA (ZIP 52301 Sector) | HIGH (64/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • WILLIAMSBURG, IA (ZIP 52361 Sector) | HIGH (64/100) | Significant Violation (6 qtrs NC) | 🔒 6 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • AMANA, IA (ZIP 52203 Sector) | MODERATE (41/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • WILLIAMSBURG, IA (ZIP 52361 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • BELLE PLAINE, IA (ZIP 52208 Sector) | MODERATE (34/100) | Violation Identified (9 qtrs NC) | 🔒 9 Qtrs Non-Compliance • Unlock → |
| MONSANTO CO - WILLIAMSBURG (LORTZ FARM) FREE PREVIEW (LOW RISK) | 2669 J AVE, WILLIAMSBURG, IA 52361 | LOW (20/100) | No Violation Identified (0 qtrs NC) | $0 |
| AMERICAN COLOR GRAPHICS FREE PREVIEW (LOW RISK) | 810 EAST SOUTH STREET, MARENGO, IA 52301 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| MONSANTO COMPANY FREE PREVIEW (LOW RISK) | 503 SOUTH MAPLEWOOD AVENUE, WILLIAMSBURG, IA 52361 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| AMANA FURNITURE SHOP FREE PREVIEW (LOW RISK) | 724 48TH AVENUE, AMANA, IA 52203 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Iowa County, Iowa Environmental Due Diligence
How many EPA-regulated environmental sites are in Iowa County, Iowa?
Public U.S. EPA records track 136 regulated facilities in Iowa County, Iowa (ranking #40 of 117 jurisdictions in IA). Of those, 6 (4.4%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 11 (8.1%) have active non-compliance quarters.
Which ZIP codes and cities in Iowa County have the highest regulated facility density?
Within Iowa County, the highest concentrations of EPA-tracked facilities are located in ZIP 52361 (Williamsburg, 32 sites), ZIP 52301 (Marengo, 23 sites), ZIP 52347 (Victor, 15 sites), spanning municipal corridors including Williamsburg (34 sites), Marengo (20 sites), Victor (14 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Iowa County?
Across Iowa County, 53 facilities (39.0% 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 Iowa County, IA?
Geologic indoor air screening places Iowa 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 Iowa County, IA?
Federal records track 33 Safe Drinking Water (SDWIS) facilities, 29 Clean Water Act NPDES permits, and 2 impaired water dischargers in Iowa County, alongside 1 historical FEMA federal disaster declarations (1 flood/storm events).
Does Iowa County, IA have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Iowa County indicates a MODERATE 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.