Henderson County, Illinois — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Henderson County, IL?
In Henderson County, Illinois, public U.S. EPA records track 98 regulated facilities (#100 of 193 in Illinois), including 1 (1.0%) High-Risk sites and $0 in federal penalties. Countywide due diligence also covers 35 Safe Drinking Water (SDWIS) facilities, 17 Clean Water NPDES permits, 5 FEMA Federal Disaster Declarations (5 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Henderson 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📊 Henderson County, IL Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Henderson County
Top EPA Regulated Facilities in Henderson 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 • BIGGSVILLE, IL (ZIP 61418 Sector) | MODERATE (40/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • STRONGHURST, IL (ZIP 61480 Sector) | MODERATE (36/100) | Violation Identified (10 qtrs NC) | 🔒 10 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • , IL (ZIP Sector) | MODERATE (32/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • BIGGSVILLE, IL (ZIP 61418 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • , IL (ZIP Sector) | MODERATE (30/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • STRONGHURST, IL (ZIP 61480 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • OQUAWKA, IL (ZIP 61469 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • STRONGHURST, IL (ZIP 61480 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| BURLINGTON NORTHERN FREE PREVIEW (LOW RISK) | MAIN ST, BIGGSVILLE, IL 61418 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| DEHNER WELDING & FABRICATION FREE PREVIEW (LOW RISK) | 120 N BROADWAY, STRONGHURST, IL 61480 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| GALESBURG WATER TREATMENT PLANT FREE PREVIEW (LOW RISK) | HIGHWAY 165 600S, OQUAWKA, IL 61469 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| BIGGER BROTHERS FREE PREVIEW (LOW RISK) | RURAL RTE 1, MEDIA, IL 61460 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Henderson County, Illinois Environmental Due Diligence
How many EPA-regulated environmental sites are in Henderson County, Illinois?
Public U.S. EPA records track 98 regulated facilities in Henderson County, Illinois (ranking #100 of 193 jurisdictions in IL). Of those, 1 (1.0%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 7 (7.1%) have active non-compliance quarters.
Which ZIP codes and cities in Henderson County have the highest regulated facility density?
Within Henderson County, the highest concentrations of EPA-tracked facilities are located in ZIP 61480 (Stronghurst, 20 sites), ZIP 61418 (Biggsville, 14 sites), ZIP 61469 (Oquawka, 12 sites), spanning municipal corridors including Stronghurst (20 sites), Biggsville (14 sites), Gladstone (11 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Henderson County?
Across Henderson County, 19 facilities (19.4% 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 Henderson County, IL?
Geologic indoor air screening places Henderson 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 Henderson County, IL?
Federal records track 35 Safe Drinking Water (SDWIS) facilities, 17 Clean Water Act NPDES permits, and 2 impaired water dischargers in Henderson County, alongside 5 historical FEMA federal disaster declarations (5 flood/storm events).
Does Henderson County, IL have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Henderson 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.