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13-SECTION MUNICIPAL PROPERTY, MARKET, FLOOD & HAZARD HUB • PORTAGE DES SIOUX, MO

Portage Des Sioux, Missouri — Property Hazard, Flood Zone, Soil, Water & Market Guide

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What Are the Major Property, Flood, Soil & Environmental Risks in Portage Des Sioux, MO?

Public U.S. EPA records track 10 regulated facilities in Portage Des Sioux, Missouri (St. Charles County), including 0 High-Risk sites (0.0%) and 1 active violators. In addition to industrial waste, Portage Des Sioux properties are screened for Tap Water & Watershed Permits (6 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
10
High-Risk (0.0% vs 1.5% State)
0
Active Violators (10.0%)
1
Drinking & Clean Water
6
Federal Penalties
$0

Portage Des Sioux, 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
1 SDWIS Systems • 5 NPDES Permits
🔒 0 Impaired Water (303d) & 1 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

📊 Portage Des Sioux, MO Statistical Risk Graphs & Multi-Hazard Telemetry

SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)
1. Municipal Regulatory & Water Program Mix
RCRA Hazardous Waste Generators 6 (60.0%)
Clean Water (NPDES) & Drinking Water (SDWIS) 6 (60.0%)
Active EPA Non-Compliance Dockets 1 (10.0%)
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
Portage Des Sioux 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 Portage Des Sioux →

ZIP Codes in Portage Des Sioux, MO

ZIP 63373 (11 sites • 0 High Risk)

Highest-Scored EPA Regulated Facilities in Portage Des Sioux, 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 Portage Des Sioux 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 • PORTAGE DES SIOUX, MO (ZIP 63373 Sector) MODERATE (40/100) Violation Identified (12 qtrs NC) 🔒 12 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • PORTAGE DES SIOUX, MO (ZIP 63373 Sector) MODERATE (34/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #3 🔒 Exact Street & Parcel Redacted • PORTAGE DES SIOUX, MO (ZIP 63373 Sector) MODERATE (33/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • PORTAGE DES SIOUX, MO (ZIP 63373 Sector) MODERATE (33/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
ST. CHARLES COUNTY SMARTT AIRFIELD FREE PREVIEW (LOW RISK) 6390 GRAFTON FERRY RD, PORTAGE DES SIOUX, MO 63373 LOW (19/100) No Violation Identified (0 qtrs NC) $0
US CONFEDERATE AIRFORCE FREE PREVIEW (LOW RISK) 6390 GRAFTON FERRY ROAD, PORTAGE DES SIOUX, MO 63373 LOW (16/100) No Violation Identified (0 qtrs NC) $0
PALISADES YACHT CLUB FREE PREVIEW (LOW RISK) 1670 RIVERVIEW DR, PORTAGE DES SIOUX, MO 63373 LOW (16/100) No Violation Identified (0 qtrs NC) $0
THE BOEING CO. FREE PREVIEW (LOW RISK) SAINT CHARLES COUNTY SMARTT AIRPORT, PORTAGE DES SIOUX, MO 63373 LOW (13/100) No Violation Identified (0 qtrs NC) $0
🔒 Locked Regulated EPA Enforcement Record #5 🔒 Exact Street & Parcel Redacted • PORTAGE DES SIOUX, MO (ZIP 63373 Sector) LOW (11/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 + 1 Additional Regulated & Enforcement Records in Portage Des Sioux, MO Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

Frequently Asked Questions — Portage Des Sioux, Missouri Environmental Risk & Radon

How many EPA-regulated facilities are in Portage Des Sioux, MO?

U.S. EPA records track 10 regulated facilities in Portage Des Sioux, Missouri, including 0 high-risk sites (0.0%), 1 active violators (10.0%), and 6 RCRA hazardous waste handlers (60.0%).

Which ZIP codes in Portage Des Sioux, MO have the most EPA-tracked sites?

Within Portage Des Sioux, regulated facilities are primarily concentrated across ZIP 63373 (11 sites).

How can I check a specific house or commercial property in Portage Des Sioux, MO?

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

In Portage Des Sioux, MO, federal registries track 1 Safe Drinking Water (SDWIS) facilities, 5 Clean Water Act NPDES permits, and 0 impaired water body dischargers.

What is the soil foundation risk and FEMA flood disaster history in Portage Des Sioux, MO?

USDA regional soil screening for Portage Des Sioux 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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