St. Mary County, Louisiana — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in St. Mary County, LA?
In St. Mary County, Louisiana, public U.S. EPA records track 395 regulated facilities (#39 of 137 in Louisiana), including 16 (4.1%) High-Risk sites and $75,510 in federal penalties. Countywide due diligence also covers 17 Safe Drinking Water (SDWIS) facilities, 362 Clean Water NPDES permits, 11 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. Mary 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. Mary County, LA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in St. Mary County
ZIP Codes in St. Mary County
Top EPA Regulated Facilities in St. Mary 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 • MORGAN CITY, LA (ZIP 70380 Sector) | HIGH (74/100) | Significant Violation (12 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • BAYOU VISTA, LA (ZIP 70380 Sector) | HIGH (66/100) | Violation (12 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • FRANKLIN, LA (ZIP 70000 Sector) | HIGH (64/100) | Significant Violation (10 qtrs NC) | 🔒 10 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • MORGAN CITY, LA (ZIP 70000 Sector) | HIGH (64/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • FOUR CORNERS, LA (ZIP 70538 Sector) | HIGH (64/100) | Significant Violation (9 qtrs NC) | 🔒 9 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • BERWICK, LA (ZIP 70342 Sector) | HIGH (64/100) | Significant Violation (6 qtrs NC) | 🔒 6 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • MORGAN CITY, LA (ZIP 70380 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 • CHARENTON, LA (ZIP 70000 Sector) | HIGH (64/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| PRIME COATINGS INC FREE PREVIEW (LOW RISK) | 1000 LAKE PALOURDE RD, AMELIA, LA 70340 | LOW (24/100) | Unknown (0 qtrs NC) | $0 |
| BAKER - MORGAN CITY PLANT FREE PREVIEW (LOW RISK) | 1710 YOUNGS RD, MORGAN CITY, LA 70380 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| DIAMOND SERVICE CORP FREE PREVIEW (LOW RISK) | 503 S. DEGRAVELLE ROAD, AMELIA, LA 70340 | LOW (17/100) | Unknown (0 qtrs NC) | $0 |
| OCEAN MARINE FREE PREVIEW (LOW RISK) | 9084 HIGHWAY 182 E, MORGAN CITY, LA 70380 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — St. Mary County, Louisiana Environmental Due Diligence
How many EPA-regulated environmental sites are in St. Mary County, Louisiana?
Public U.S. EPA records track 395 regulated facilities in St. Mary County, Louisiana (ranking #39 of 137 jurisdictions in LA). Of those, 16 (4.1%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 22 (5.6%) have active non-compliance quarters.
Which ZIP codes and cities in St. Mary County have the highest regulated facility density?
Within St. Mary County, the highest concentrations of EPA-tracked facilities are located in ZIP 70538 (Franklin, 148 sites), ZIP 70381 (Morgan City, 51 sites), ZIP 70569 (Lydia, 9 sites), spanning municipal corridors including Franklin (153 sites), Burns (23 sites), Garden City (13 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in St. Mary County?
Across St. Mary County, 22 facilities (5.6% 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. Mary County, LA?
Geologic indoor air screening places St. Mary 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. Mary County, LA?
Federal records track 17 Safe Drinking Water (SDWIS) facilities, 362 Clean Water Act NPDES permits, and 116 impaired water dischargers in St. Mary County, alongside 11 historical FEMA federal disaster declarations (7 flood/storm events).
Does St. Mary County, LA have expansive clay soil or foundation risk?
USDA regional soil engineering screening for St. Mary 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.