Olfallon, Illinois — Property Hazard, Flood Zone, Soil, Water & Market Guide
What Are the Major Property, Flood, Soil & Environmental Risks in Olfallon, IL?
Public U.S. EPA records track 1 regulated facilities in Olfallon, Illinois (St. Clair County), including 0 High-Risk sites (0.0%) and 0 active violators. In addition to industrial waste, Olfallon properties are screened for Tap Water & Watershed Permits (1 systems), USDA Soil Foundation Shrink-Swell (MODERATE signal), 2 County FEMA Disaster Declarations, and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Olfallon, IL 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Olfallon, IL Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)ZIP Codes in Olfallon, IL
Highest-Scored EPA Regulated Facilities in Olfallon, 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 |
|---|---|---|---|---|
| SCOTT AFB-REMVL LOGS@SILVER CK FREE PREVIEW (LOW RISK) | E OF MCCULLOUGH RD ON BASE, OLFALLON, IL 62225 | LOW (11/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Olfallon, Illinois Environmental Risk & Radon
How many EPA-regulated facilities are in Olfallon, IL?
U.S. EPA records track 1 regulated facilities in Olfallon, Illinois, including 0 high-risk sites (0.0%), 0 active violators (0.0%), and 0 RCRA hazardous waste handlers (0.0%).
Which ZIP codes in Olfallon, IL have the most EPA-tracked sites?
Within Olfallon, regulated facilities are primarily concentrated across local postal codes.
How can I check a specific house or commercial property in Olfallon, IL?
Enter the exact street address in Olfallon into the FullPropertyReport radius scanner to screen all EPA ECHO, FRS, RCRA, TRI, USDA soil foundation shrink-swell, drinking water (SDWIS), FEMA flood zone, and county radon records within 0.5 to 3.0 miles.
Is tap water safe in Olfallon, IL and how many EPA water permits exist?
In Olfallon, IL, federal registries track 0 Safe Drinking Water (SDWIS) facilities, 1 Clean Water Act NPDES permits, and 0 impaired water body dischargers.
What is the soil foundation risk and FEMA flood disaster history in Olfallon, IL?
USDA regional soil screening for Olfallon indicates a MODERATE shrink-swell foundation signal, and St. Clair County has recorded 2 federal FEMA disaster declarations (2 flood/severe storm declarations). Run an address scan to unlock exact parcel soil LEP %, water table depth, and flood zone.