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 279 regulated facilities (#49 of 137 in Louisiana), including 7 (2.5%) High-Risk sites and $118,086 in federal penalties. Countywide due diligence also covers 0 Safe Drinking Water (SDWIS) facilities, 22 Clean Water NPDES permits, 18 FEMA Federal Disaster Declarations (9 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 05, 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 • HAHNVILLE, LA (ZIP 70057 Sector) | HIGH (86/100) | Significant Violation (12 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • ST. ROSE, LA (ZIP 70087 Sector) | HIGH (64/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • LULING, LA (ZIP 70070 Sector) | MODERATE (46/100) | No Violation Identified (0 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • KILLONA, LA (ZIP 70057 Sector) | MODERATE (46/100) | Resolved / Historical Non-Compliance (5 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • TAFT, LA (ZIP 70057 Sector) | MODERATE (38/100) | No Violation Identified (0 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • DESTREHAN, LA (ZIP 70047 Sector) | MODERATE (36/100) | No Violation Identified (0 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • NORCO, LA (ZIP 70079 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • LULING, LA (ZIP 70070 Sector) | MODERATE (32/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| WALMART SUPERCENTER #2913 FREE PREVIEW (LOW RISK) | 13001 HWY 90, BOUTTE, LA 70039 | LOW (25/100) | No Violation Identified (0 qtrs NC) | $0 |
| PARISH TRUCK SALES INC. FREE PREVIEW (LOW RISK) | 10459 AIRLINE HWY, ST ROSE, LA 70087 | LOW (23/100) | No Violation Identified (0 qtrs NC) | $0 |
| BUTCH'S BODY SHOP FREE PREVIEW (LOW RISK) | 714 ST ROSE AVE, ST ROSE, LA 70087 | LOW (23/100) | No Violation Identified (0 qtrs NC) | $0 |
| NEXEN CHEMICALS, USA FREE PREVIEW (LOW RISK) | 266 HIGHWAY 3142, HAHNVILLE, LA 70057 | LOW (19/100) | No Violation Identified (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 279 regulated facilities in St Charles County, Louisiana (ranking #49 of 137 jurisdictions in LA). Of those, 7 (2.5%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 2 (0.7%) 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 70087 (St Rose, 118 sites), ZIP 70070 (Luling, 72 sites), ZIP 70039 (Boutte, 36 sites), spanning municipal corridors including Luling (113 sites), St Rose (61 sites), Boutte (50 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in St Charles County?
Across St Charles County, 226 facilities (81.0% 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 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 0 Safe Drinking Water (SDWIS) facilities, 22 Clean Water Act NPDES permits, and 20 impaired water dischargers in St Charles County, alongside 18 historical FEMA federal disaster declarations (9 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 Moderate. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.