Clayton County, Iowa — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Clayton County, IA?
In Clayton County, Iowa, public U.S. EPA records track 145 regulated facilities (#36 of 117 in Iowa), including 2 (1.4%) High-Risk sites and $84,410 in federal penalties. Countywide due diligence also covers 60 Safe Drinking Water (SDWIS) facilities, 23 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).
Clayton 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📊 Clayton County, IA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Clayton County
ZIP Codes in Clayton County
Top EPA Regulated Facilities in Clayton 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 • LUANA, IA (ZIP 52156 Sector) | HIGH (80/100) | Significant Violation (12 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • SAINT OLAF, IA (ZIP 52072 Sector) | MODERATE (45/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • STRAWBERRY POINT, IA (ZIP 52076 Sector) | MODERATE (38/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • SAINT OLAF, IA (ZIP 52072 Sector) | MODERATE (38/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • SAINT OLAF, IA (ZIP 52072 Sector) | MODERATE (38/100) | Violation Identified (5 qtrs NC) | 🔒 5 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • MCGREGOR, IA (ZIP 52157 Sector) | MODERATE (37/100) | Violation Identified (9 qtrs NC) | 🔒 9 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • GUTTENBERG, IA (ZIP 52052 Sector) | MODERATE (37/100) | Violation Identified (9 qtrs NC) | 🔒 9 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • STRAWBERRY POINT, IA (ZIP 52076 Sector) | MODERATE (37/100) | Violation Identified (9 qtrs NC) | 🔒 9 Qtrs Non-Compliance • Unlock → |
| GUTTENBERG INDUSTRIES INC FREE PREVIEW (LOW RISK) | 601 SOUTH LINCOLN STREET, GARNAVILLO, IA 52049 | LOW (20/100) | No Violation Identified (0 qtrs NC) | $0 |
| GENCOR INDUSTRIES INC FREE PREVIEW (LOW RISK) | 508 HIGHWAY 18 WEST, MARQUETTE, IA 52158 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| KANN MFG CORP FREE PREVIEW (LOW RISK) | 210 REGENT ST, GUTTENBERG, IA 52052 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| VISERION GRAIN, LLC FREE PREVIEW (LOW RISK) | 311 EAST B STREET, MCGREGOR, IA 52157 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Clayton County, Iowa Environmental Due Diligence
How many EPA-regulated environmental sites are in Clayton County, Iowa?
Public U.S. EPA records track 145 regulated facilities in Clayton County, Iowa (ranking #36 of 117 jurisdictions in IA). Of those, 2 (1.4%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 21 (14.5%) have active non-compliance quarters.
Which ZIP codes and cities in Clayton County have the highest regulated facility density?
Within Clayton County, the highest concentrations of EPA-tracked facilities are located in ZIP 52043 (Elkader, 23 sites), ZIP 52052 (Guttenberg, 14 sites), ZIP 52049 (Garnavillo, 12 sites), spanning municipal corridors including Elkader (24 sites), Guttenberg (14 sites), Strawberry Point (13 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Clayton County?
Across Clayton County, 42 facilities (29.0% 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 Clayton County, IA?
Geologic indoor air screening places Clayton 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 Clayton County, IA?
Federal records track 60 Safe Drinking Water (SDWIS) facilities, 23 Clean Water Act NPDES permits, and 5 impaired water dischargers in Clayton County, alongside 1 historical FEMA federal disaster declarations (1 flood/storm events).
Does Clayton County, IA have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Clayton 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.