Jefferson County, Illinois — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Jefferson County, IL?
In Jefferson County, Illinois, public U.S. EPA records track 33 regulated facilities (#140 of 193 in Illinois), including 0 (0.0%) High-Risk sites and $0 in federal penalties. Countywide due diligence also covers 0 Safe Drinking Water (SDWIS) facilities, 0 Clean Water NPDES permits, 5 FEMA Federal Disaster Declarations (5 flood/storm), USDA Soil Foundation Shrink-Swell (HIGH signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Jefferson County, IL 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Jefferson County, IL Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Jefferson County
ZIP Codes in Jefferson County
Top EPA Regulated Facilities in Jefferson County, IL
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 • MOUNT VERNON, IL (ZIP 62864 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • MT VERNON, IL (ZIP 62864 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • INA, IL (ZIP 62846 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • MT VERNON, IL (ZIP 62864 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • MT VERNON, IL (ZIP 62864 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • MT VERNON, IL (ZIP 62864 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| MOUNT VERNON NEON FREE PREVIEW (LOW RISK) | 1 NEON DR, MOUNT VERNON, IL 62864 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| TYLERS JEFFERSON MOTORS INC FREE PREVIEW (LOW RISK) | 1 N 15TH ST, MT VERNON, IL 62864 | LOW (13/100) | No Violation Identified (0 qtrs NC) | $0 |
| G&S AUTO BODY FREE PREVIEW (LOW RISK) | 100 S CENTRAL LN, WOODLAWN, IL 62898 | LOW (13/100) | No Violation Identified (0 qtrs NC) | $0 |
| BROMLEY EXCAVATING FREE PREVIEW (LOW RISK) | 310 S ELM ST, BLUFORD, IL 62814 | LOW (13/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • MT VERNON, IL (ZIP 62864 Sector) | LOW (13/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • MT VERNON, IL (ZIP 62864 Sector) | LOW (13/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — Jefferson County, Illinois Environmental Due Diligence
How many EPA-regulated environmental sites are in Jefferson County County, Illinois?
Public U.S. EPA records track 33 regulated facilities in Jefferson County County, Illinois (ranking #140 of 193 jurisdictions in IL). Of those, 0 (0.0%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 0 (0.0%) have active non-compliance quarters.
Which ZIP codes and cities in Jefferson County County have the highest regulated facility density?
Within Jefferson County County, the highest concentrations of EPA-tracked facilities are located in ZIP 62830 (Dix, 16 sites), ZIP 62893 (Walnut Hill, 1 sites), spanning municipal corridors including Jefferson County.
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Jefferson County County?
Across Jefferson County County, 1 facilities (3.0% 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 Jefferson County County, IL?
Geologic indoor air screening places Jefferson County 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 Jefferson County County, IL?
Federal records track 0 Safe Drinking Water (SDWIS) facilities, 0 Clean Water Act NPDES permits, and 0 impaired water dischargers in Jefferson County County, alongside 5 historical FEMA federal disaster declarations (5 flood/storm events).
Does Jefferson County, IL have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Jefferson 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.