Mason City, Iowa — Property Hazard, Flood Zone, Soil, Water & Market Guide
What Are the Major Property, Flood, Soil & Environmental Risks in Mason City, IA?
Public U.S. EPA records track 207 regulated facilities in Mason City, Iowa (Cerro Gordo County), including 7 High-Risk sites (3.4%) and 5 active violators. In addition to industrial waste, Mason City properties are screened for Tap Water & Watershed Permits (14 systems), USDA Soil Foundation Shrink-Swell (HIGH signal), 7 County FEMA Disaster Declarations, and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Mason City, IA 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Mason City, IA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)ZIP Codes in Mason City, IA
Highest-Scored EPA Regulated Facilities in Mason City, 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 • MASON CITY, IA (ZIP 50401 Sector) | MODERATE (39/100) | Violation Identified (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • MASON CITY, IA (ZIP 50401 Sector) | MODERATE (35/100) | No Violation Identified (0 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • MASON CITY, IA (ZIP 50401 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| CUSTOM AUTO BUILDERS INC FREE PREVIEW (LOW RISK) | 335 SOUTH DELAWARE AVENUE, MASON CITY, IA 50401 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| MASONITE CORPORATION FREE PREVIEW (LOW RISK) | 2510 19TH ST SW, MASON CITY, IA 50401 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| CROELL REDI-MIX INC FREE PREVIEW (LOW RISK) | 620 NORTH MASSACHUSETTS AVENUE, MASON CITY, IA 50401 | 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 |
Frequently Asked Questions — Mason City, Iowa Environmental Risk & Radon
How many EPA-regulated facilities are in Mason City, IA?
U.S. EPA records track 207 regulated facilities in Mason City, Iowa, including 7 high-risk sites (3.4%), 5 active violators (2.4%), and 144 RCRA hazardous waste handlers (69.6%).
Which ZIP codes in Mason City, IA have the most EPA-tracked sites?
Within Mason City, regulated facilities are primarily concentrated across ZIP 50401 (206 sites), ZIP 50402 (3 sites).
How can I check a specific house or commercial property in Mason City, IA?
Enter the exact street address in Mason City into the FullPropertyReport radius scanner to screen all EPA ECHO, FRS, RCRA, TRI, USDA soil foundation shrink-swell, drinking water (SDWIS), FEMA flood zone, and county radon records within 0.5 to 3.0 miles.
Is tap water safe in Mason City, IA and how many EPA water permits exist?
In Mason City, IA, federal registries track 8 Safe Drinking Water (SDWIS) facilities, 6 Clean Water Act NPDES permits, and 4 impaired water body dischargers.
What is the soil foundation risk and FEMA flood disaster history in Mason City, IA?
USDA regional soil screening for Mason City indicates a HIGH shrink-swell foundation signal, and Cerro Gordo County has recorded 7 federal FEMA disaster declarations (6 flood/severe storm declarations). Run an address scan to unlock exact parcel soil LEP %, water table depth, and flood zone.