3.95M+ VERIFIED PUBLIC RECORDS • 13-SECTION PROPERTY, HAZARD, FLOOD & MARKET INTELLIGENCE 3.95M+ Indexed Records • All 50 States + DC • Data as of November 03, 2026
Home › States › Illinois › St Clair County
13-SECTION COUNTY PROPERTY, MARKET, FLOOD & HAZARD HUB • IL

St Clair County, Illinois — Property Hazard, Flood Zone, Soil, Water & EPA Guide

Run 13-Section Scan in St Clair County →

What Are the Flood, Soil Foundation & EPA Risks in St Clair County, IL?

In St Clair County, Illinois, public U.S. EPA records track 675 regulated facilities (#21 of 193 in Illinois), including 5 (0.7%) High-Risk sites and $228,884 in federal penalties. Countywide due diligence also covers 1 Safe Drinking Water (SDWIS) facilities, 41 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).

Total EPA Sites (#21/193)
675
High-Risk (0.7% vs 1.3% State)
5
Active Violators (2.7%)
18
Drinking & Clean Water
42
Federal Penalties
$228,884

St Clair 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
🌊 Flood Zone & FEMA Disaster History
5 County FEMA Declarations (5 Flood/Storm)
🔒 Exact Parcel Flood Zone (AE / VE / X) & SFHA Insurance Requirement Locked
Check Property Flood Zone →
🪨 USDA Soil, Foundation & Water Table
Shrink-Swell Risk Signal: HIGH • Pipe Corrosion: High
🔒 Exact USDA Soil Series, Linear Extensibility (LEP %) & Water Table Depth (ft) Locked
Unlock Parcel Soil Test →
🚰 Tap Water (SDWIS) & PFAS Check
1 SDWIS Systems • 41 NPDES Permits
🔒 9 Impaired Water (303d) & 9 Violation Dockets Locked
Unlock Utility Violation Log →
☢️ EPA Radon & Karst Sinkhole
EPA Zone 1 — High Potential (> 4.0 pCi/L)
Low / Non-Karst Bedrock & Alluvial Formation
🔒 0.25-Mi Vapor Intrusion Buffer Locked

📊 St Clair County, IL Statistical Risk Graphs & Multi-Hazard Telemetry

SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)
1. County Regulatory & Water Program Mix
RCRA Hazardous Waste Generators 511 (75.7%)
Clean Water (NPDES) & Drinking Water (SDWIS) 42 (6.2%)
Active EPA Non-Compliance Dockets 18 (2.7%)
High-Risk Enforcement Facilities 5 (0.7%)
2. FEMA NRI & USGS Hazard Index (1–10) Relatively Low (64.2/100)
🌊 Flood Exposure 3/10 • Low Hazard
🔥 Wildfire Hazard 1/10 • Very Low Hazard
☀️ Extreme Heat 5/10 • Moderate Hazard
🌪️ Severe Wind / Storm 7/10 • High Hazard
🫨 USGS Earthquake 2/10 • Low Seismic Hazard
3. County vs. State & National Benchmark
St Clair County High-Risk % 0.7%
Illinois (IL) Statewide Avg 1.3%
U.S. National EPA Baseline 3.6%
Unlock Street-Level Dossier: Full report reveals unredacted facility names, distances in feet, exact USDA soil LEP %, water table depth, and parcel flood zone.
🔒 Scan a Property Address in St Clair County →

Top EPA Regulated Facilities in St Clair 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).

Unlock Full County Property Scan →
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 • BELLEVILLE, IL (ZIP 62223 Sector) HIGH (76/100) Significant Violation (12 qtrs NC) 🔒 $100,000+ Federal Fine • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • EAST SAINT LOUIS, IL (ZIP 62201 Sector) HIGH (64/100) Significant Violation (7 qtrs NC) 🔒 7 Qtrs Non-Compliance • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #3 🔒 Exact Street & Parcel Redacted • BELLEVILLE, IL (ZIP 62220 Sector) HIGH (64/100) Significant Violation (12 qtrs NC) 🔒 12 Qtrs Non-Compliance • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • O FALLON, IL (ZIP 62269 Sector) HIGH (64/100) Significant Violation (12 qtrs NC) 🔒 12 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #5 🔒 Exact Street & Parcel Redacted • DUPO, IL (ZIP 62239 Sector) MODERATE (47/100) Violation Identified (12 qtrs NC) 🔒 12 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #6 🔒 Exact Street & Parcel Redacted • EAST ST LOUIS, IL (ZIP 62201 Sector) MODERATE (47/100) Violation (12 qtrs NC) 🔒 12 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #7 🔒 Exact Street & Parcel Redacted • BELLEVILLE, IL (ZIP 62226 Sector) MODERATE (45/100) Violation (12 qtrs NC) 🔒 12 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #8 🔒 Exact Street & Parcel Redacted • BELLEVILLE, IL (ZIP 62226 Sector) MODERATE (43/100) Violation (12 qtrs NC) 🔒 12 Qtrs Non-Compliance • Unlock →
BELLEVILLE TWP. HIGH SCHOOL-DISTRICT 201 FREE PREVIEW (LOW RISK) 2600 W MAIN ST, BELLEVILLE, IL 62226 LOW (20/100) No Violation Identified (0 qtrs NC) $0
KELSO AUTO BODY FREE PREVIEW (LOW RISK) 700 SHERMAN, BELLEVILLE, IL 62221 LOW (20/100) No Violation Identified (0 qtrs NC) $0
AMERENIP - BELLEVILLE PLANT FREE PREVIEW (LOW RISK) 1050 WEST BLVD, BELLEVILLE, IL 62221 LOW (19/100) No Violation Identified (0 qtrs NC) $0
FIRESTONE TIRE AND SERVICE CENTER FREE PREVIEW (LOW RISK) 232 W MAIN, BELLEVILLE, IL 62220 LOW (17/100) No Violation Identified (0 qtrs NC) $0
🔒 + 663 Additional Regulated & Enforcement Records in St Clair County Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

Frequently Asked Questions — St Clair County, Illinois Environmental Due Diligence

How many EPA-regulated environmental sites are in St Clair County, Illinois?

Public U.S. EPA records track 675 regulated facilities in St Clair County, Illinois (ranking #21 of 193 jurisdictions in IL). Of those, 5 (0.7%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 18 (2.7%) have active non-compliance quarters.

Which ZIP codes and cities in St Clair County have the highest regulated facility density?

Within St Clair County, the highest concentrations of EPA-tracked facilities are located in ZIP 62220 (Belleville, 162 sites), ZIP 62269 (O Fallon, 156 sites), ZIP 62206 (Cahokia Heights, 120 sites), spanning municipal corridors including East Saint Louis (106 sites), Sauget (81 sites), Cahokia (75 sites).

How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in St Clair County?

Across St Clair County, 511 facilities (75.7% 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 St Clair County, IL?

Geologic indoor air screening places St Clair 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 St Clair County, IL?

Federal records track 1 Safe Drinking Water (SDWIS) facilities, 41 Clean Water Act NPDES permits, and 9 impaired water dischargers in St Clair County, alongside 5 historical FEMA federal disaster declarations (5 flood/storm events).

Does St Clair County, IL have expansive clay soil or foundation risk?

USDA regional soil engineering screening for St Clair 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.

13-Section Property & Market Dossier
From $14.95 • 7-Day Guarantee
Sample Screen Address