St. Louis Co. County, Missouri — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in St. Louis Co. County, MO?
In St. Louis Co. County, Missouri, public U.S. EPA records track 10 regulated facilities (#188 of 190 in Missouri), including 0 (0.0%) High-Risk sites and $0 in federal penalties. Countywide due diligence also covers 0 Safe Drinking Water (SDWIS) facilities, 1 Clean Water NPDES permits, 3 FEMA Federal Disaster Declarations (3 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 2 — Moderate Potential (2.0 – 4.0 pCi/L).
St. Louis Co. 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📊 St. Louis Co. County, MO Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in St. Louis Co. County
ZIP Codes in St. Louis Co. County
Top EPA Regulated Facilities in St. Louis Co. 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).
| 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 • GROVER, MO (ZIP 63040 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| ST. LOUIS COUNTRY CLUB FREE PREVIEW (LOW RISK) | 400 BARNES RD, LADUE, MO 63124 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| SEARS NO 8980 FREE PREVIEW (LOW RISK) | 1800 BOWLES AVE, FENTON, MO 63026 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| AMOCO OIL CO FREE PREVIEW (LOW RISK) | 10501 PAGE AVE, OVERLAND, MO 63114 | LOW (15/100) | No Violation Identified (0 qtrs NC) | $0 |
| BRECKENRIDGE MATERIA FREE PREVIEW (LOW RISK) | 10TH & ST. LOUIS AVE, VALLEY PARK, MO 63088 | LOW (13/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • SAINT LOUIS COUNTY, MO (ZIP 63123 Sector) | LOW (13/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • OVERLAND, MO (ZIP 63114 Sector) | LOW (11/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • SAINT LOUIS COUNTY, MO (ZIP 63125 Sector) | LOW (11/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • SAINT LOUIS COUNTY, MO (ZIP 63122 Sector) | LOW (11/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • MAPLEWOOD, MO (ZIP 63143 Sector) | LOW (10/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — St. Louis Co. County, Missouri Environmental Due Diligence
How many EPA-regulated environmental sites are in St. Louis Co. County, Missouri?
Public U.S. EPA records track 10 regulated facilities in St. Louis Co. County, Missouri (ranking #188 of 190 jurisdictions in MO). Of those, 0 (0.0%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 0 (0.0%) have active non-compliance quarters.
Which ZIP codes and cities in St. Louis Co. County have the highest regulated facility density?
Within St. Louis Co. County, the highest concentrations of EPA-tracked facilities are located in ZIP 63124 (Ladue, 92 sites), spanning municipal corridors including Ladue (35 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in St. Louis Co. County?
Across St. Louis Co. County, 3 facilities (30.0% 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. Louis Co. County, MO?
Geologic indoor air screening places St. Louis Co. 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 St. Louis Co. County, MO?
Federal records track 0 Safe Drinking Water (SDWIS) facilities, 1 Clean Water Act NPDES permits, and 1 impaired water dischargers in St. Louis Co. County, alongside 3 historical FEMA federal disaster declarations (3 flood/storm events).
Does St. Louis Co. County, MO have expansive clay soil or foundation risk?
USDA regional soil engineering screening for St. Louis Co. 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.