Miami County, Ohio — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Miami County, OH?
In Miami County, Ohio, public U.S. EPA records track 564 regulated facilities (#25 of 141 in Ohio), including 6 (1.1%) High-Risk sites and $5,304,400 in federal penalties. Countywide due diligence also covers 101 Safe Drinking Water (SDWIS) facilities, 37 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).
Miami County, OH 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Miami County, OH Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)Municipalities in Miami County
ZIP Codes in Miami County
Top EPA Regulated Facilities in Miami County, 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 High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • LUDLOW FALLS, OH (ZIP 45339 Sector) | HIGH (66/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • BRADFORD, OH (ZIP 45308 Sector) | HIGH (64/100) | Significant Violation (8 qtrs NC) | 🔒 8 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • TIPP CITY, OH (ZIP 45371 Sector) | MODERATE (50/100) | Resolved / Historical Non-Compliance (4 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • PIQUA, OH (ZIP 45356 Sector) | MODERATE (48/100) | No Violation Identified (0 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • WEST MILTON, OH (ZIP 45383 Sector) | MODERATE (43/100) | Violation Identified (10 qtrs NC) | 🔒 10 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • PIQUA, OH (ZIP 45356 Sector) | MODERATE (43/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • BRADFORD, OH (ZIP 45308 Sector) | MODERATE (43/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • PIQUA, OH (ZIP 45356 Sector) | MODERATE (43/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| HARTZELL FAN INC FREE PREVIEW (LOW RISK) | 910 S. DOWNING STREET, PIQUA, OH 45356 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| PETCO STORE #2844 FREE PREVIEW (LOW RISK) | 1731 W MAIN ST, TROY, OH 45373 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| STOUDER MEMORIAL HOSPITAL * FREE PREVIEW (LOW RISK) | 920 SUMMIT AVE, TROY, OH 45373 | LOW (15/100) | No Violation Identified (0 qtrs NC) | $0 |
| HAWKINS MACHINE SHOP INC FREE PREVIEW (LOW RISK) | 1112 E RACE DR, TROY, OH 45373 | LOW (15/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Miami County, Ohio Environmental Due Diligence
How many EPA-regulated environmental sites are in Miami County, Ohio?
Public U.S. EPA records track 564 regulated facilities in Miami County, Ohio (ranking #25 of 141 jurisdictions in OH). Of those, 6 (1.1%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 29 (5.1%) have active non-compliance quarters.
Which ZIP codes and cities in Miami County have the highest regulated facility density?
Within Miami County, the highest concentrations of EPA-tracked facilities are located in ZIP 45373 (Troy, 171 sites), ZIP 45356 (Piqua, 150 sites), ZIP 45371 (Tipp City, 90 sites), spanning municipal corridors including Troy (177 sites), Piqua (151 sites), Tipp City (58 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Miami County?
Across Miami County, 365 facilities (64.7% 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 Miami County, OH?
Geologic indoor air screening places Miami 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 Miami County, OH?
Federal records track 101 Safe Drinking Water (SDWIS) facilities, 37 Clean Water Act NPDES permits, and 33 impaired water dischargers in Miami County, alongside 1 historical FEMA federal disaster declarations (1 flood/storm events).
Does Miami County, OH have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Miami 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.