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13-SECTION MUNICIPAL PROPERTY, MARKET, FLOOD & HAZARD HUB • OFALLON, MO

Ofallon, Missouri — Property Hazard, Flood Zone, Soil, Water & Market Guide

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What Are the Major Property, Flood, Soil & Environmental Risks in Ofallon, MO?

Public U.S. EPA records track 191 regulated facilities in Ofallon, Missouri (St. Charles County), including 0 High-Risk sites (0.0%) and 0 active violators. In addition to industrial waste, Ofallon properties are screened for Tap Water & Watershed Permits (114 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
191
High-Risk (0.0% vs 1.5% State)
0
Active Violators (0.0%)
0
Drinking & Clean Water
114
Federal Penalties
$0

Ofallon, 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
0 SDWIS Systems • 114 NPDES Permits
🔒 18 Impaired Water (303d) & 3 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

📊 Ofallon, 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 69 (36.1%)
Clean Water (NPDES) & Drinking Water (SDWIS) 114 (59.7%)
Active EPA Non-Compliance Dockets 0 (0.0%)
High-Risk Enforcement Facilities 0 (0.0%)
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
Ofallon High-Risk Rate 0.0%
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 Ofallon →

ZIP Codes in Ofallon, MO

ZIP 63385 (637 sites • 3 High Risk)

Highest-Scored EPA Regulated Facilities in Ofallon, 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 Ofallon Dossier →
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 • OFALLON, MO (ZIP 63368 Sector) MODERATE (34/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • OFALLON, MO (ZIP 63366 Sector) MODERATE (34/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #3 🔒 Exact Street & Parcel Redacted • OFALLON, MO (ZIP 63368 Sector) MODERATE (34/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • OFALLON, MO (ZIP 63366 Sector) MODERATE (33/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #5 🔒 Exact Street & Parcel Redacted • OFALLON, MO (ZIP 63366 Sector) MODERATE (33/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #6 🔒 Exact Street & Parcel Redacted • OFALLON, MO (ZIP 63366 Sector) MODERATE (33/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #7 🔒 Exact Street & Parcel Redacted • OFALLON, MO (ZIP 63366 Sector) MODERATE (33/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #8 🔒 Exact Street & Parcel Redacted • OFALLON, MO (ZIP 63366 Sector) MODERATE (32/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
DRUG PACKAGING, INC. FREE PREVIEW (LOW RISK) 901 DRUG PACKAGE LANE, OFALLON, MO 63366 LOW (18/100) No Violation Identified (0 qtrs NC) $0
NORFOLK & WESTERN RAILWAY CO FREE PREVIEW (LOW RISK) MEXICO RD & MILEPOST 40.3, OFALLON, MO 63366 LOW (17/100) No Violation Identified (0 qtrs NC) $0
WILLERDING METAL FABRICATION INC FREE PREVIEW (LOW RISK) 1270 W TERRA LN, OFALLON, MO 63366 LOW (17/100) No Violation Identified (0 qtrs NC) $0
BILL LAINGEN FREE PREVIEW (LOW RISK) 730 HWY P, OFALLON, MO 63366 LOW (17/100) No Violation Identified (0 qtrs NC) $0
🔒 + 179 Additional Regulated & Enforcement Records in Ofallon, MO Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

Frequently Asked Questions — Ofallon, Missouri Environmental Risk & Radon

How many EPA-regulated facilities are in Ofallon, MO?

U.S. EPA records track 191 regulated facilities in Ofallon, Missouri, including 0 high-risk sites (0.0%), 0 active violators (0.0%), and 69 RCRA hazardous waste handlers (36.1%).

Which ZIP codes in Ofallon, MO have the most EPA-tracked sites?

Within Ofallon, regulated facilities are primarily concentrated across ZIP 63385 (637 sites).

How can I check a specific house or commercial property in Ofallon, MO?

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

In Ofallon, MO, federal registries track 0 Safe Drinking Water (SDWIS) facilities, 114 Clean Water Act NPDES permits, and 18 impaired water body dischargers.

What is the soil foundation risk and FEMA flood disaster history in Ofallon, MO?

USDA regional soil screening for Ofallon 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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