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13-SECTION MUNICIPAL PROPERTY, MARKET, FLOOD & HAZARD HUB • O'FALLON, MO

O'Fallon, Missouri — Property Hazard, Flood Zone, Soil, Water & Market Guide

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What Are the Major Property, Flood, Soil & Environmental Risks in O'Fallon, MO?

Public U.S. EPA records track 366 regulated facilities in O'Fallon, Missouri (St. Charles County), including 3 High-Risk sites (0.8%) and 6 active violators. In addition to industrial waste, O'Fallon properties are screened for Tap Water & Watershed Permits (340 systems), USDA Soil Foundation Shrink-Swell (MODERATE signal), 1 County FEMA Disaster Declarations, and EPA Zone 1 — High Potential (> 4.0 pCi/L).

Total EPA Sites
366
High-Risk (0.8% vs 1.5% State)
3
Active Violators (1.6%)
6
Drinking & Clean Water
340
Federal Penalties
$20,000

O'Fallon, MO 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
St. Charles County: 1 FEMA Declarations (1 Flood/Storm)
🔒 Exact Parcel Flood Zone (AE / VE / X) & SFHA Insurance Status Locked
Check Property Flood Zone →
🪨 USDA Soil, Foundation & Water Table
Shrink-Swell Risk Signal: MODERATE • Pipe Corrosion: High
🔒 Exact USDA Soil Series, Linear Extensibility (LEP %) & Water Table Depth (ft) Locked
Unlock Parcel Soil Test →
🚰 Tap Water (SDWIS) & PFAS Check
7 SDWIS Systems • 333 NPDES Permits
🔒 33 Impaired Water (303d) & 18 Violation Dockets Locked
Unlock Utility Violation Log →
☢️ EPA Radon & Karst Sinkhole
EPA Zone 1 — High Potential (> 4.0 pCi/L)
Elevated Carbonate / Karst Sinkhole Belt — Monitor Foundation Settlement & Surface Depressions
🔒 0.25-Mi Vapor Intrusion Buffer Locked

📊 O'Fallon, MO Statistical Risk Graphs & Multi-Hazard Telemetry

SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)
1. Municipal Regulatory & Water Program Mix
RCRA Hazardous Waste Generators 122 (33.3%)
Clean Water (NPDES) & Drinking Water (SDWIS) 340 (92.9%)
Active EPA Non-Compliance Dockets 6 (1.6%)
High-Risk Enforcement Facilities 3 (0.8%)
2. FEMA NRI & USGS Hazard Index (1–10) Relatively Moderate (92.6/100)
🌊 Flood Exposure 7/10 • High Hazard
🔥 Wildfire Hazard 1/10 • Very Low Hazard
☀️ Extreme Heat 5/10 • Moderate Hazard
🌪️ Severe Wind / Storm 9/10 • Very High Hazard
🫨 USGS Earthquake 5/10 • Moderate Hazard
3. City vs. County & State Benchmark
O'Fallon High-Risk Rate 0.8%
St. Charles County Average 0.7%
Missouri (MO) Statewide Avg 1.5%
Unlock Street-Level Dossier: Paid report reveals exact facility names, distances in feet, USDA soil LEP %, water table depth, and parcel flood zone.
🔒 Scan a Property Address in O'Fallon →

ZIP Codes in O'Fallon, MO

ZIP 63366 (543 sites • 2 High Risk) ZIP 63368 (235 sites • 2 High Risk) ZIP 63367 (177 sites • 1 High Risk)

Highest-Scored EPA Regulated Facilities in O'Fallon, MO

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 O'Fallon Dossier →
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 • O'FALLON, MO (ZIP 63366 Sector) HIGH (66/100) Significant Violation (11 qtrs NC) 🔒 11 Qtrs Non-Compliance • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • O'FALLON, MO (ZIP 63368 Sector) HIGH (64/100) Significant Violation (4 qtrs NC) 🔒 4 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #3 🔒 Exact Street & Parcel Redacted • O'FALLON, MO (ZIP 63366 Sector) MODERATE (41/100) Violation Identified (12 qtrs NC) 🔒 12 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • O'FALLON, MO (ZIP 63366 Sector) MODERATE (35/100) Violation Identified (8 qtrs NC) 🔒 8 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #5 🔒 Exact Street & Parcel Redacted • O'FALLON, MO (ZIP 63366 Sector) MODERATE (34/100) Violation Identified (6 qtrs NC) 🔒 6 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #6 🔒 Exact Street & Parcel Redacted • O'FALLON, MO (ZIP 63368 Sector) MODERATE (30/100) No Violation Identified (0 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked Regulated EPA Enforcement Record #7 🔒 Exact Street & Parcel Redacted • O'FALLON, MO (ZIP 63368 Sector) MODERATE (30/100) Resolved / Historical Non-Compliance (6 qtrs NC) 🔒 6 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #8 🔒 Exact Street & Parcel Redacted • O'FALLON, MO (ZIP 63368 Sector) MODERATE (30/100) Violation Identified (7 qtrs NC) 🔒 7 Qtrs Non-Compliance • Unlock →
ALDI, INCORPORATED FREE PREVIEW (LOW RISK) 475 PEARL DRIVE, O'FALLON, MO 63366 LOW (23/100) No Violation Identified (0 qtrs NC) $0
O'FALLON LUMBER COMPANY FREE PREVIEW (LOW RISK) 126 W ELM, O'FALLON, MO 63366 LOW (20/100) No Violation Identified (0 qtrs NC) $0
BRAKING TECHNOLOGIES INC-BRAKING TECHNOLOGIES INC FREE PREVIEW (LOW RISK) 835 TEXAS COURT, O'FALLON, MO 63366 LOW (20/100) No Violation Identified (0 qtrs NC) $0
ROTADYNE ROLL GROUP FREE PREVIEW (LOW RISK) 1500 PROGRESS W. LN., O'FALLON, MO 63366 LOW (19/100) No Violation Identified (0 qtrs NC) $0
🔒 + 354 Additional Regulated & Enforcement Records in O'Fallon, MO Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

Frequently Asked Questions — O'Fallon, Missouri Environmental Risk & Radon

How many EPA-regulated facilities are in O'Fallon, MO?

U.S. EPA records track 366 regulated facilities in O'Fallon, Missouri, including 3 high-risk sites (0.8%), 6 active violators (1.6%), and 122 RCRA hazardous waste handlers (33.3%).

Which ZIP codes in O'Fallon, MO have the most EPA-tracked sites?

Within O'Fallon, regulated facilities are primarily concentrated across ZIP 63366 (543 sites), ZIP 63368 (235 sites), ZIP 63367 (177 sites).

How can I check a specific house or commercial property in O'Fallon, MO?

Enter the exact street address in O'Fallon 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 O'Fallon, MO and how many EPA water permits exist?

In O'Fallon, MO, federal registries track 7 Safe Drinking Water (SDWIS) facilities, 333 Clean Water Act NPDES permits, and 33 impaired water body dischargers.

What is the soil foundation risk and FEMA flood disaster history in O'Fallon, MO?

USDA regional soil screening for O'Fallon indicates a MODERATE shrink-swell foundation signal, and St. Charles County has recorded 1 federal FEMA disaster declarations (1 flood/severe storm declarations). Run an address scan to unlock exact parcel soil LEP %, water table depth, and flood zone.

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