Mason, Ohio — Property Hazard, Flood Zone, Soil, Water & Market Guide
What Are the Major Property, Flood, Soil & Environmental Risks in Mason, OH?
Public U.S. EPA records track 103 regulated facilities in Mason, Ohio ( County), including 2 High-Risk sites (1.9%) and 4 active violators. In addition to industrial waste, Mason properties are screened for Tap Water & Watershed Permits (3 systems), USDA Soil Foundation Shrink-Swell (MODERATE signal), 2 County FEMA Disaster Declarations, and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Mason, OH 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Mason, OH Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)ZIP Codes in Mason, OH
Highest-Scored EPA Regulated Facilities in Mason, OH
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 Regulated EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • MASON, OH (ZIP 45040 Sector) | MODERATE (47/100) | Violation Identified (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • MASON, OH (ZIP 45040 Sector) | MODERATE (44/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • MASON, OH (ZIP 45040 Sector) | MODERATE (44/100) | Violation Identified (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • MASON, OH (ZIP 45040 Sector) | MODERATE (36/100) | Violation Identified (5 qtrs NC) | 🔒 5 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • MASON, OH (ZIP 45040 Sector) | MODERATE (34/100) | Resolved / Historical Non-Compliance (5 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • MASON, OH (ZIP 45040 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • MASON, OH (ZIP 45040 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • MASON, OH (ZIP 45040 Sector) | MODERATE (33/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| RELIANCE MEDICAL PRODUCTS INC. FREE PREVIEW (LOW RISK) | 3535 KINGS MILLS RD, MASON, OH 45040 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| BLACKHAWK AUTOMOTIVE PLASTICS, INC. FREE PREVIEW (LOW RISK) | 4219 US ROUTE 42, MASON, OH 45040 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| ARMOR METAL GROUP FREE PREVIEW (LOW RISK) | 4600 MASON MONTGOMERY ROAD, MASON, OH 45040 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| HAMILTON PRODUCTS GROUP, INC FREE PREVIEW (LOW RISK) | 755 READING RD, MASON, OH 45040 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Mason, Ohio Environmental Risk & Radon
How many EPA-regulated facilities are in Mason, OH?
U.S. EPA records track 103 regulated facilities in Mason, Ohio, including 2 high-risk sites (1.9%), 4 active violators (3.9%), and 80 RCRA hazardous waste handlers (77.7%).
Which ZIP codes in Mason, OH have the most EPA-tracked sites?
Within Mason, regulated facilities are primarily concentrated across ZIP 45040 (103 sites).
How can I check a specific house or commercial property in Mason, OH?
Enter the exact street address in Mason 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, OH and how many EPA water permits exist?
In Mason, OH, federal registries track 0 Safe Drinking Water (SDWIS) facilities, 3 Clean Water Act NPDES permits, and 3 impaired water body dischargers.
What is the soil foundation risk and FEMA flood disaster history in Mason, OH?
USDA regional soil screening for Mason indicates a MODERATE shrink-swell foundation signal, and County has recorded 2 federal FEMA disaster declarations (2 flood/severe storm declarations). Run an address scan to unlock exact parcel soil LEP %, water table depth, and flood zone.