St. Martin County, Louisiana — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in St. Martin County, LA?
In St. Martin County, Louisiana, public U.S. EPA records track 495 regulated facilities (#32 of 137 in Louisiana), including 43 (8.7%) High-Risk sites and $174,477 in federal penalties. Countywide due diligence also covers 45 Safe Drinking Water (SDWIS) facilities, 434 Clean Water NPDES permits, 10 FEMA Federal Disaster Declarations (7 flood/storm), USDA Soil Foundation Shrink-Swell (HIGH signal), and EPA Zone 3 — Low Potential (< 2.0 pCi/L).
St. Martin 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. Martin County, LA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in St. Martin County
ZIP Codes in St. Martin County
Top EPA Regulated Facilities in St. Martin 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 • BREAUX BRIDGE, LA (ZIP 70517 Sector) | HIGH (67/100) | Significant Violation (11 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • CECILIA, LA (ZIP 70521 Sector) | HIGH (66/100) | Significant Violation (7 qtrs NC) | 🔒 7 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • HENDERSON, LA (ZIP 70000 Sector) | HIGH (66/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • SAINT MARTINVILLE, LA (ZIP 70582 Sector) | HIGH (65/100) | Significant Violation (7 qtrs NC) | 🔒 7 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • BREAUX BRIDGE, LA (ZIP 70517 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 • BREAUX BRIDGE, LA (ZIP 70517 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 • CADE, LA (ZIP 70000 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 • SAINT MARTINVILLE, LA (ZIP 70000 Sector) | HIGH (64/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| ENTERPRISE PRODUCTS OPERATING LLC - BREAUX BRIDGE PHT FREE PREVIEW (LOW RISK) | 350 WEST MILLS AVENUE, BREAUX BRIDGE, LA 70517 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| 3-D CHEMICAL LLC FREE PREVIEW (LOW RISK) | 1129 B MUSTANG CIRCLE, SAINT MARTINVILLE, LA 70582 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — St. Martin County, Louisiana Environmental Due Diligence
How many EPA-regulated environmental sites are in St. Martin County, Louisiana?
Public U.S. EPA records track 495 regulated facilities in St. Martin County, Louisiana (ranking #32 of 137 jurisdictions in LA). Of those, 43 (8.7%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 67 (13.5%) have active non-compliance quarters.
Which ZIP codes and cities in St. Martin County have the highest regulated facility density?
Within St. Martin County, the highest concentrations of EPA-tracked facilities are located in ZIP 70517 (Breaux Bridge, 280 sites), ZIP 70521 (Cecilia, 12 sites), spanning municipal corridors including Breaux Bridge (301 sites), Arnaudville (56 sites), Henderson (28 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in St. Martin County?
Across St. Martin County, 11 facilities (2.2% 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 St. Martin County, LA?
Geologic indoor air screening places St. Martin 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. Martin County, LA?
Federal records track 45 Safe Drinking Water (SDWIS) facilities, 434 Clean Water Act NPDES permits, and 323 impaired water dischargers in St. Martin County, alongside 10 historical FEMA federal disaster declarations (7 flood/storm events).
Does St. Martin County, LA have expansive clay soil or foundation risk?
USDA regional soil engineering screening for St. Martin 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.