St. Charles County, Louisiana — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in St. Charles County, LA?
In St. Charles County, Louisiana, public U.S. EPA records track 302 regulated facilities (#48 of 137 in Louisiana), including 25 (8.3%) High-Risk sites and $1,570,853 in federal penalties. Countywide due diligence also covers 2 Safe Drinking Water (SDWIS) facilities, 306 Clean Water NPDES permits, 11 FEMA Federal Disaster Declarations (8 flood/storm), USDA Soil Foundation Shrink-Swell (HIGH signal), and EPA Zone 3 — Low Potential (< 2.0 pCi/L).
St. Charles County, LA 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 St. Charles County, LA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in St. Charles County
ZIP Codes in St. Charles County
Top EPA Regulated Facilities in St. Charles County, LA
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 • PARADIS, LA (ZIP 70080 Sector) | HIGH (80/100) | Violation Identified (4 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • DESTREHAN, LA (ZIP 70047 Sector) | HIGH (71/100) | Significant Violation (11 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • LULING, LA (ZIP 70000 Sector) | HIGH (70/100) | Significant Violation (11 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • HAHNVILLE, LA (ZIP 70057 Sector) | HIGH (68/100) | Significant Violation (11 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • HAHNVILLE, LA (ZIP 70000 Sector) | HIGH (64/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • PARADIS, LA (ZIP 70000 Sector) | HIGH (64/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • HAHNVILLE, LA (ZIP 70057 Sector) | HIGH (64/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • LULING, LA (ZIP 70070 Sector) | HIGH (64/100) | Significant Violation (9 qtrs NC) | 🔒 9 Qtrs Non-Compliance • Unlock → |
| AVERITT EXPRESS FREE PREVIEW (LOW RISK) | 125 WIDGEON DRIVE, ST. ROSE, LA 70087 | LOW (25/100) | Unknown (0 qtrs NC) | $0 |
| MMP SCO LLC FREE PREVIEW (LOW RISK) | 355 HWY 3142, TAFT, LA 70057 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| REG INC - ST ROSE BIODIESEL PRODUCTION PLANT FREE PREVIEW (LOW RISK) | 11842 RIVER RD, ST. ROSE, LA 70087 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| C.F. TRUCKING FREE PREVIEW (LOW RISK) | I-310 SERVICE ROAD, ST. ROSE, LA 70000 | LOW (17/100) | Unknown (0 qtrs NC) | $0 |
Frequently Asked Questions — St. Charles County, Louisiana Environmental Due Diligence
How many EPA-regulated environmental sites are in St. Charles County, Louisiana?
Public U.S. EPA records track 302 regulated facilities in St. Charles County, Louisiana (ranking #48 of 137 jurisdictions in LA). Of those, 25 (8.3%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 24 (7.9%) have active non-compliance quarters.
Which ZIP codes and cities in St. Charles County have the highest regulated facility density?
Within St. Charles County, the highest concentrations of EPA-tracked facilities are located in ZIP 70057 (Taft, 67 sites), ZIP 70079 (Norco, 60 sites), ZIP 70047 (Destrehan, 52 sites), spanning municipal corridors including Destrehan (70 sites), Hahnville (69 sites), Norco (69 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in St. Charles County?
Across St. Charles County, 19 facilities (6.3% 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. Charles County, LA?
Geologic indoor air screening places St. Charles County in EPA Zone 3 — Low Potential (< 2.0 pCi/L). Counties in EPA Radon Zone 3 have a predicted average indoor radon level below 2.0 pCi/L, indicating lower regional geologic radon risk.
How many drinking water systems (SDWIS), impaired water bodies, and FEMA flood disasters are recorded in St. Charles County, LA?
Federal records track 2 Safe Drinking Water (SDWIS) facilities, 306 Clean Water Act NPDES permits, and 196 impaired water dischargers in St. Charles County, alongside 11 historical FEMA federal disaster declarations (8 flood/storm events).
Does St. Charles County, LA have expansive clay soil or foundation risk?
USDA regional soil engineering screening for St. Charles County indicates a HIGH 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.