Warren County, Ohio — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Warren County, OH?
In Warren County, Ohio, public U.S. EPA records track 513 regulated facilities (#27 of 141 in Ohio), including 7 (1.4%) High-Risk sites and $15,500 in federal penalties. Countywide due diligence also covers 36 Safe Drinking Water (SDWIS) facilities, 37 Clean Water NPDES permits, 2 FEMA Federal Disaster Declarations (2 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Warren 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📊 Warren County, OH Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Warren County
ZIP Codes in Warren County
Top EPA Regulated Facilities in Warren 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 • FRANKLIN, OH (ZIP 45005 Sector) | HIGH (69/100) | Significant Violation (7 qtrs NC) | 🔒 7 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • WAYNESVILLE, OH (ZIP 45068 Sector) | HIGH (65/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • LEBANON, OH (ZIP 45036 Sector) | HIGH (64/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • FRANKLIN, OH (ZIP 45005 Sector) | MODERATE (51/100) | Violation Identified (7 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • LEBANON, OH (ZIP 45036 Sector) | MODERATE (51/100) | Violation Identified (3 qtrs NC) | 🔒 3 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 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 #7 | 🔒 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 #8 | 🔒 Exact Street & Parcel Redacted • MORROW, OH (ZIP 45152 Sector) | MODERATE (44/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| ODOT HIGHWAY BRIDGE FREE PREVIEW (LOW RISK) | ST RT 123 SEC 28, FRANKLIN, OH 45005 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| CVS PHARMACY #2964 FREE PREVIEW (LOW RISK) | 6632 S STATE RT 48, MAINEVILLE, OH 45039 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| DOLLAR GENERAL STORE #12020 FREE PREVIEW (LOW RISK) | 1065 READING RD US 42, MASON, OH 45040 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| SHEETZ #947 FREE PREVIEW (LOW RISK) | 5999 STATE RTE 122, MIDDLETOWN, OH 45005 | LOW (15/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Warren County, Ohio Environmental Due Diligence
How many EPA-regulated environmental sites are in Warren County, Ohio?
Public U.S. EPA records track 513 regulated facilities in Warren County, Ohio (ranking #27 of 141 jurisdictions in OH). Of those, 7 (1.4%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 27 (5.3%) have active non-compliance quarters.
Which ZIP codes and cities in Warren County have the highest regulated facility density?
Within Warren County, the highest concentrations of EPA-tracked facilities are located in ZIP 45036 (Lebanon, 129 sites), ZIP 45040 (Mason, 103 sites), ZIP 45066 (Springboro, 51 sites), spanning municipal corridors including Lebanon (128 sites), Springboro (52 sites), Morrow (21 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Warren County?
Across Warren County, 380 facilities (74.1% 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 Warren County, OH?
Geologic indoor air screening places Warren 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 Warren County, OH?
Federal records track 36 Safe Drinking Water (SDWIS) facilities, 37 Clean Water Act NPDES permits, and 32 impaired water dischargers in Warren County, alongside 2 historical FEMA federal disaster declarations (2 flood/storm events).
Does Warren County, OH have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Warren 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.