Saint Louis County, Missouri — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Saint Louis County, MO?
In Saint Louis County, Missouri, public U.S. EPA records track 2,596 regulated facilities (#3 of 190 in Missouri), including 8 (0.3%) High-Risk sites and $77,135 in federal penalties. Countywide due diligence also covers 4 Safe Drinking Water (SDWIS) facilities, 835 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).
Saint Louis 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📊 Saint Louis County, MO Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)Municipalities in Saint Louis County
ZIP Codes in Saint Louis County
Top EPA Regulated Facilities in Saint Louis 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 High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • HAZELWOOD, MO (ZIP 63042 Sector) | HIGH (70/100) | Significant Violation (10 qtrs NC) | 🔒 10 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • CHESTERFIELD, MO (ZIP 63017 Sector) | HIGH (64/100) | Significant Violation (9 qtrs NC) | 🔒 9 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • BRIDGETON, MO (ZIP 63044 Sector) | HIGH (64/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • SAINT LOUIS COUNTY, MO (ZIP 63114 Sector) | MODERATE (50/100) | Violation (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • FENTON, MO (ZIP 63026 Sector) | MODERATE (45/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • MARYLAND HEIGHTS, MO (ZIP 63043 Sector) | MODERATE (44/100) | No Violation Identified (0 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • EUREKA, MO (ZIP 63025 Sector) | MODERATE (44/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • CHESTERFIELD, MO (ZIP 63005 Sector) | MODERATE (41/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| J.H. BERRA CONSTRUCTION CO. INC. FREE PREVIEW (LOW RISK) | 5091 NEW BAUMGARTNER ROAD, SAINT LOUIS, MO 63129 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| WHISPERING OAKS HEALTH CARE FREE PREVIEW (LOW RISK) | 1450 RIDGE ROAD, BALLWIN, MO 63021 | LOW (16/100) | Unknown (0 qtrs NC) | $0 |
| AFTERMARKET MERCHANDISERS INC FREE PREVIEW (LOW RISK) | 11668 LILBURN PARK RD, SAINT LOUIS, MO 63146 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| VALLEY FORD INC FREE PREVIEW (LOW RISK) | 675 DUNN RD, HAZELWOOD, MO 63042 | LOW (15/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Saint Louis County, Missouri Environmental Due Diligence
How many EPA-regulated environmental sites are in Saint Louis County, Missouri?
Public U.S. EPA records track 2,596 regulated facilities in Saint Louis County, Missouri (ranking #3 of 190 jurisdictions in MO). Of those, 8 (0.3%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 17 (0.7%) have active non-compliance quarters.
Which ZIP codes and cities in Saint Louis County have the highest regulated facility density?
Within Saint Louis County, the highest concentrations of EPA-tracked facilities are located in ZIP 63132 (Saint Louis County, 291 sites), ZIP 63042 (Hazelwood, 273 sites), ZIP 63146 (Saint Louis, 214 sites), spanning municipal corridors including Hazelwood (289 sites), Wildwood (155 sites), Ellisville (105 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Saint Louis County?
Across Saint Louis County, 1,354 facilities (52.2% 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 County, MO?
Geologic indoor air screening places Saint Louis 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 County, MO?
Federal records track 4 Safe Drinking Water (SDWIS) facilities, 835 Clean Water Act NPDES permits, and 190 impaired water dischargers in Saint Louis County, alongside 14 historical FEMA federal disaster declarations (14 flood/storm events).
Does Saint Louis County, MO have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Saint Louis 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.