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Saint Louis City County, Missouri — Property Hazard, Flood Zone, Soil, Water & EPA Guide

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What Are the Flood, Soil Foundation & EPA Risks in Saint Louis City County, MO?

In Saint Louis City County, Missouri, public U.S. EPA records track 776 regulated facilities (#20 of 190 in Missouri), including 1 (0.1%) High-Risk sites and $5,000 in federal penalties. Countywide due diligence also covers 0 Safe Drinking Water (SDWIS) facilities, 158 Clean Water NPDES permits, 14 FEMA Federal Disaster Declarations (14 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).

Total EPA Sites (#20/190)
776
High-Risk (0.1% vs 1.5% State)
1
Active Violators (0.3%)
2
Drinking & Clean Water
158
Federal Penalties
$5,000

Saint Louis City County, 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
14 County FEMA Declarations (14 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: 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 • 158 NPDES Permits
🔒 81 Impaired Water (303d) & 4 Violation Dockets Locked
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☢️ EPA Radon & Karst Sinkhole
EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L)
Elevated Carbonate / Karst Sinkhole Belt — Monitor Foundation Settlement & Surface Depressions
🔒 0.25-Mi Vapor Intrusion Buffer Locked

📊 Saint Louis City County, MO Statistical Risk Graphs & Multi-Hazard Telemetry

SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)
1. County Regulatory & Water Program Mix
RCRA Hazardous Waste Generators 471 (60.7%)
Clean Water (NPDES) & Drinking Water (SDWIS) 158 (20.4%)
Active EPA Non-Compliance Dockets 2 (0.3%)
High-Risk Enforcement Facilities 1 (0.1%)
2. FEMA NRI & USGS Hazard Index (1–10) Very Low (28.7/100)
🌊 Flood Exposure 1/10 • Very Low Hazard
🔥 Wildfire Hazard 1/10 • Very Low Hazard
☀️ Extreme Heat 3/10 • Low Hazard
🌪️ Severe Wind / Storm 5/10 • Moderate Hazard
🫨 USGS Earthquake 1/10 • Very Low Hazard
3. County vs. State & National Benchmark
Saint Louis City County High-Risk % 0.1%
Missouri (MO) Statewide Avg 1.5%
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.
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Municipalities in Saint Louis City County

Saint Louis (1,627)

Top EPA Regulated Facilities in Saint Louis City County, MO

100% of High-Risk & penalized facilities have facility names, street names, and dockets redacted (3 Low-Risk compliant records shown as Free Previews).

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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 • SAINT LOUIS, MO (ZIP 63108 Sector) MODERATE (34/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • SAINT LOUIS, MO (ZIP 63112 Sector) MODERATE (34/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #3 🔒 Exact Street & Parcel Redacted • SAINT LOUIS, MO (ZIP 63103 Sector) MODERATE (33/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • SAINT LOUIS, MO (ZIP 63103 Sector) MODERATE (33/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #5 🔒 Exact Street & Parcel Redacted • SAINT LOUIS, MO (ZIP 63107 Sector) MODERATE (33/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #6 🔒 Exact Street & Parcel Redacted • SAINT LOUIS, MO (ZIP 63110 Sector) MODERATE (33/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #7 🔒 Exact Street & Parcel Redacted • SAINT LOUIS, MO (ZIP 63147 Sector) MODERATE (33/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #8 🔒 Exact Street & Parcel Redacted • SAINT LOUIS, MO (ZIP 63110 Sector) MODERATE (33/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
ST LOUIS CITY FIRE HOUSE 27 FREE PREVIEW (LOW RISK) 5435 PARTRIDGE, SAINT LOUIS, MO 63120 LOW (17/100) No Violation Identified (0 qtrs NC) $0
INDUSTRIAL PROCESS EQUIPMENT FREE PREVIEW (LOW RISK) 2800 LOCUST ST, SAINT LOUIS, MO 63103 LOW (17/100) No Violation Identified (0 qtrs NC) $0
SOLDAN HIGH SCHOOL FREE PREVIEW (LOW RISK) 918 N UNION, SAINT LOUIS, MO 63108 LOW (17/100) No Violation Identified (0 qtrs NC) $0
RED BUD AUTO BODY FREE PREVIEW (LOW RISK) 4500 GRAUOIS, SAINT LOUIS, MO 63123 LOW (17/100) No Violation Identified (0 qtrs NC) $0
🔒 + 764 Additional Regulated & Enforcement Records in Saint Louis City County Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

Frequently Asked Questions — Saint Louis City County, Missouri Environmental Due Diligence

How many EPA-regulated environmental sites are in Saint Louis City County, Missouri?

Public U.S. EPA records track 776 regulated facilities in Saint Louis City County, Missouri (ranking #20 of 190 jurisdictions in MO). Of those, 1 (0.1%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 2 (0.3%) have active non-compliance quarters.

Which ZIP codes and cities in Saint Louis City County have the highest regulated facility density?

Within Saint Louis City County, the highest concentrations of EPA-tracked facilities are located in ZIP 63103 (Saint Louis, 277 sites), ZIP 63108 (Saint Louis, 147 sites), ZIP 63121 (Saint Louis, 104 sites), spanning municipal corridors including Saint Louis (1,627 sites).

How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Saint Louis City County?

Across Saint Louis City County, 471 facilities (60.7% 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 Saint Louis City County, MO?

Geologic indoor air screening places Saint Louis City County in EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L). Counties in EPA Radon Zone 2 have a predicted average indoor radon level between 2.0 and 4.0 pCi/L. Testing basement or ground-floor living areas is recommended during home inspection.

How many drinking water systems (SDWIS), impaired water bodies, and FEMA flood disasters are recorded in Saint Louis City County, MO?

Federal records track 0 Safe Drinking Water (SDWIS) facilities, 158 Clean Water Act NPDES permits, and 81 impaired water dischargers in Saint Louis City County, alongside 14 historical FEMA federal disaster declarations (14 flood/storm events).

Does Saint Louis City County, MO have expansive clay soil or foundation risk?

USDA regional soil engineering screening for Saint Louis City County indicates a MODERATE 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.

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