Hamilton County, Ohio — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Hamilton County, OH?
In Hamilton County, Ohio, public U.S. EPA records track 3,056 regulated facilities (#3 of 141 in Ohio), including 33 (1.1%) High-Risk sites and $26,360,095 in federal penalties. Countywide due diligence also covers 46 Safe Drinking Water (SDWIS) facilities, 163 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).
Hamilton 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📊 Hamilton County, OH Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)Municipalities in Hamilton County
ZIP Codes in Hamilton County
Top EPA Regulated Facilities in Hamilton 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 • CINCINNATI, OH (ZIP 45233 Sector) | HIGH (86/100) | Significant Violation (8 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • ADDYSTON, OH (ZIP 45001 Sector) | HIGH (72/100) | Violation Identified (3 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • CINCINNATI, OH (ZIP 45227 Sector) | HIGH (70/100) | Significant Violation (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • CINCINNATI, OH (ZIP 45233 Sector) | HIGH (70/100) | Significant Violation (8 qtrs NC) | 🔒 8 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • CINCINNATI, OH (ZIP 45216 Sector) | HIGH (68/100) | Significant Violation (9 qtrs NC) | 🔒 9 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • CINCINNATI, OH (ZIP 45240 Sector) | HIGH (65/100) | Violation Identified (4 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • NORTH BEND, OH (ZIP 45052 Sector) | HIGH (64/100) | Significant Violation (5 qtrs NC) | 🔒 5 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • HARRISON, OH (ZIP 45030 Sector) | HIGH (64/100) | Significant Violation (5 qtrs NC) | 🔒 5 Qtrs Non-Compliance • Unlock → |
| QUEEN CITY AWNING FREE PREVIEW (LOW RISK) | 7225 E KEMPER, CINCINNATI, OH 45249 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| LOCKLAND SERVICE FREE PREVIEW (LOW RISK) | 409 E WYOMING AVE, CINCINNATI, OH 45215 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| WADDLE BROS AUTO BODY REPAIR INC FREE PREVIEW (LOW RISK) | 6094 HARRISON AVENUE, GREEN TOWNSHIP, OH 45247 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| CINCINNATI VARNISH CO FREE PREVIEW (LOW RISK) | 1776 MENTOR AVE, CINCINNATI, OH 45212 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Hamilton County, Ohio Environmental Due Diligence
How many EPA-regulated environmental sites are in Hamilton County, Ohio?
Public U.S. EPA records track 3,056 regulated facilities in Hamilton County, Ohio (ranking #3 of 141 jurisdictions in OH). Of those, 33 (1.1%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 59 (1.9%) have active non-compliance quarters.
Which ZIP codes and cities in Hamilton County have the highest regulated facility density?
Within Hamilton County, the highest concentrations of EPA-tracked facilities are located in ZIP 45215 (Cincinnati, 215 sites), ZIP 45242 (Cincinnati, 193 sites), ZIP 45202 (Cincinnati, 116 sites), spanning municipal corridors including Cincinnati (2,674 sites), Harrison (97 sites), Loveland (87 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Hamilton County?
Across Hamilton County, 2,586 facilities (84.6% 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 Hamilton County, OH?
Geologic indoor air screening places Hamilton 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 Hamilton County, OH?
Federal records track 46 Safe Drinking Water (SDWIS) facilities, 163 Clean Water Act NPDES permits, and 141 impaired water dischargers in Hamilton County, alongside 1 historical FEMA federal disaster declarations (1 flood/storm events).
Does Hamilton County, OH have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Hamilton 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.