Cerro Gordo County, Iowa — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Cerro Gordo County, IA?
In Cerro Gordo County, Iowa, public U.S. EPA records track 322 regulated facilities (#12 of 117 in Iowa), including 7 (2.2%) High-Risk sites and $5,524,110 in federal penalties. Countywide due diligence also covers 46 Safe Drinking Water (SDWIS) facilities, 16 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).
Cerro Gordo 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📊 Cerro Gordo County, IA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)Municipalities in Cerro Gordo County
Top EPA Regulated Facilities in Cerro Gordo 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 • MASON CITY, IA (ZIP 50401 Sector) | HIGH (90/100) | Significant Violation (12 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • MASON CITY, IA (ZIP 50401 Sector) | HIGH (64/100) | Significant Violation (7 qtrs NC) | 🔒 7 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • MASON CITY, IA (ZIP 50401 Sector) | MODERATE (52/100) | Violation Identified (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • MASON CITY, IA (ZIP 50401 Sector) | MODERATE (50/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • MASON CITY, IA (ZIP 50401 Sector) | MODERATE (49/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • CLEAR LAKE, IA (ZIP 50428 Sector) | MODERATE (41/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • PLYMOUTH, IA (ZIP 50464 Sector) | MODERATE (40/100) | Violation Identified (8 qtrs NC) | 🔒 8 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • MASON CITY, IA (ZIP 50401 Sector) | MODERATE (39/100) | Violation Identified (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| EMERY GENERATING STATION FREE PREVIEW (LOW RISK) | 11295 230TH ST, CLEAR LAKE, IA 50428 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| MERCY MEDICAL CENTER-N IOWA EAST CAMPUS FREE PREVIEW (LOW RISK) | 1000 4TH ST SW, MASON CITY, IA 50401 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| TSA AT MASON CITY MUNICIPAL AIRPORT MCW FREE PREVIEW (LOW RISK) | HWY 18 W, 1/2 MI E OF 140TH ST, MASON CITY, IA 50401 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| TRUMARK LIFT TRK-FORMER SITE OF FREE PREVIEW (LOW RISK) | 1311 S GEORGIA ST, MASON CITY, IA 50401 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Cerro Gordo County, Iowa Environmental Due Diligence
How many EPA-regulated environmental sites are in Cerro Gordo County, Iowa?
Public U.S. EPA records track 322 regulated facilities in Cerro Gordo County, Iowa (ranking #12 of 117 jurisdictions in IA). Of those, 7 (2.2%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 13 (4.0%) have active non-compliance quarters.
Which ZIP codes and cities in Cerro Gordo County have the highest regulated facility density?
Within Cerro Gordo County, the highest concentrations of EPA-tracked facilities are located in ZIP 50401 (Mason City, 206 sites), ZIP 50428 (Clear Lake, 55 sites), ZIP 50469 (Rockwell, 12 sites), spanning municipal corridors including Mason City (207 sites), Clear Lake (54 sites), Rockwell (9 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Cerro Gordo County?
Across Cerro Gordo County, 189 facilities (58.7% 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 Cerro Gordo County, IA?
Geologic indoor air screening places Cerro Gordo 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 Cerro Gordo County, IA?
Federal records track 46 Safe Drinking Water (SDWIS) facilities, 16 Clean Water Act NPDES permits, and 8 impaired water dischargers in Cerro Gordo County, alongside 7 historical FEMA federal disaster declarations (6 flood/storm events).
Does Cerro Gordo County, IA have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Cerro Gordo 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.