Delaware County, Ohio — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Delaware County, OH?
In Delaware County, Ohio, public U.S. EPA records track 397 regulated facilities (#33 of 141 in Ohio), including 12 (3.0%) High-Risk sites and $327,956 in federal penalties. Countywide due diligence also covers 18 Safe Drinking Water (SDWIS) facilities, 45 Clean Water NPDES permits, 1 FEMA Federal Disaster Declarations (1 flood/storm), USDA Soil Foundation Shrink-Swell (HIGH signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Delaware 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📊 Delaware County, OH Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Delaware County
Top EPA Regulated Facilities in Delaware 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 • DELAWARE, OH (ZIP 43015 Sector) | HIGH (93/100) | Significant Violation (12 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • DELAWARE, OH (ZIP 43015 Sector) | HIGH (68/100) | Significant Violation (9 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • POWELL, OH (ZIP 43065 Sector) | HIGH (64/100) | Significant Violation (9 qtrs NC) | 🔒 9 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • GALENA, OH (ZIP 43021 Sector) | HIGH (64/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • OSTRANDER, OH (ZIP 43061 Sector) | HIGH (64/100) | Significant Violation (8 qtrs NC) | 🔒 8 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • DELAWARE, OH (ZIP 43015 Sector) | HIGH (64/100) | Significant Violation (7 qtrs NC) | 🔒 7 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • WESTERVILLE, OH (ZIP 43082 Sector) | HIGH (64/100) | Significant Violation (6 qtrs NC) | 🔒 6 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • WESTERVILLE, OH (ZIP 43082 Sector) | HIGH (64/100) | Significant Violation (6 qtrs NC) | 🔒 6 Qtrs Non-Compliance • Unlock → |
| PETCO STORE #2840 FREE PREVIEW (LOW RISK) | 1317 CAMERON AVE, LEWIS CENTER, OH 43035 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| DENISON HYDRAULICS INC FREE PREVIEW (LOW RISK) | 425 S SANDUSKY ST, DELAWARE, OH 43015 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| NORTH FORD LINCOLN MERCURY FREE PREVIEW (LOW RISK) | 1599 COLUMBUS PIKE, DELAWARE, OH 43015 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| THE OHIO STATE UNIVERSITY WEXNER MEDICAL CENTER POWELL OUTPATIENT CENTER FREE PREVIEW (LOW RISK) | 7171 SAWMILL PKWY, POWELL, OH 43065 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Delaware County, Ohio Environmental Due Diligence
How many EPA-regulated environmental sites are in Delaware County, Ohio?
Public U.S. EPA records track 397 regulated facilities in Delaware County, Ohio (ranking #33 of 141 jurisdictions in OH). Of those, 12 (3.0%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 20 (5.0%) have active non-compliance quarters.
Which ZIP codes and cities in Delaware County have the highest regulated facility density?
Within Delaware County, the highest concentrations of EPA-tracked facilities are located in ZIP 43074 (Sunbury, 46 sites), ZIP 43065 (Powell, 45 sites), ZIP 43035 (Lewis Center, 39 sites), spanning municipal corridors including Sunbury (47 sites), Powell (45 sites), Lewis Center (40 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Delaware County?
Across Delaware County, 318 facilities (80.1% 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 Delaware County, OH?
Geologic indoor air screening places Delaware 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 Delaware County, OH?
Federal records track 18 Safe Drinking Water (SDWIS) facilities, 45 Clean Water Act NPDES permits, and 41 impaired water dischargers in Delaware County, alongside 1 historical FEMA federal disaster declarations (1 flood/storm events).
Does Delaware County, OH have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Delaware County indicates a HIGH 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.