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Saint Mary County, Louisiana — Property Hazard, Flood Zone, Soil, Water & EPA Guide

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What Are the Flood, Soil Foundation & EPA Risks in Saint Mary County, LA?

In Saint Mary County, Louisiana, public U.S. EPA records track 101 regulated facilities (#76 of 137 in Louisiana), including 8 (7.9%) High-Risk sites and $315,968 in federal penalties. Countywide due diligence also covers 0 Safe Drinking Water (SDWIS) facilities, 38 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).

Total EPA Sites (#76/137)
101
High-Risk (7.9% vs 3.9% State)
8
Active Violators (8.9%)
9
Drinking & Clean Water
38
Federal Penalties
$315,968

Saint 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
🌊 Flood Zone & FEMA Disaster History
18 County FEMA Declarations (9 Flood/Storm)
🔒 Exact Parcel Flood Zone (AE / VE / X) & SFHA Insurance Requirement Locked
Check Property Flood Zone →
🪨 USDA Soil, Foundation & Water Table
Shrink-Swell Risk Signal: HIGH • Pipe Corrosion: Moderate
🔒 Exact USDA Soil Series, Linear Extensibility (LEP %) & Water Table Depth (ft) Locked
Unlock Parcel Soil Test →
🚰 Tap Water (SDWIS) & PFAS Check
0 SDWIS Systems • 38 NPDES Permits
🔒 13 Impaired Water (303d) & 11 Violation Dockets Locked
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☢️ EPA Radon & Karst Sinkhole
EPA Zone 3 — Low Potential (< 2.0 pCi/L)
Low / Non-Karst Bedrock & Alluvial Formation
🔒 0.25-Mi Vapor Intrusion Buffer Locked

📊 Saint Mary County, LA Statistical Risk Graphs & Multi-Hazard Telemetry

SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)
1. County Regulatory & Water Program Mix
RCRA Hazardous Waste Generators 35 (34.7%)
Clean Water (NPDES) & Drinking Water (SDWIS) 38 (37.6%)
Active EPA Non-Compliance Dockets 9 (8.9%)
High-Risk Enforcement Facilities 8 (7.9%)
2. FEMA NRI & USGS Hazard Index (1–10) Relatively Moderate (88.6/100)
🌊 Flood Exposure 5/10 • Moderate Hazard
🔥 Wildfire Hazard 1/10 • Very Low Hazard
☀️ Extreme Heat 5/10 • Moderate Hazard
🌪️ Severe Wind / Storm 7/10 • High Hazard
🫨 USGS Earthquake 2/10 • Low Seismic Hazard
3. County vs. State & National Benchmark
Saint Mary County High-Risk % 7.9%
Louisiana (LA) Statewide Avg 3.9%
U.S. National EPA Baseline 3.6%
Unlock Street-Level Dossier: Full report reveals unredacted facility names, distances in feet, exact USDA soil LEP %, water table depth, and parcel flood zone.
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Municipalities in Saint Mary County

Centerville (82)

ZIP Codes in Saint Mary County

70522 — Centerville (60)

Top EPA Regulated Facilities in Saint 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).

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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 • AMELIA, LA (ZIP 70340 Sector) HIGH (93/100) Significant Violation (9 qtrs NC) 🔒 $100,000+ Federal Fine • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • MORGAN CITY, LA (ZIP 70380 Sector) HIGH (69/100) Significant Violation (12 qtrs NC) 🔒 12 Qtrs Non-Compliance • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #3 🔒 Exact Street & Parcel Redacted • AMELIA, LA (ZIP 70340 Sector) HIGH (64/100) Violation (12 qtrs NC) 🔒 Federal Penalty on File • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • CYPREMORT POINT, LA (ZIP 70538 Sector) HIGH (64/100) Significant Violation (11 qtrs NC) 🔒 11 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #5 🔒 Exact Street & Parcel Redacted • MORGAN CITY, LA (ZIP 70380 Sector) MODERATE (48/100) Violation Identified (1 qtrs NC) 🔒 1 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #6 🔒 Exact Street & Parcel Redacted • MORGAN CITY, LA (ZIP 70380 Sector) MODERATE (45/100) No Violation Identified (0 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked Regulated EPA Enforcement Record #7 🔒 Exact Street & Parcel Redacted • CENTERVILLE, LA (ZIP 70538 Sector) MODERATE (44/100) No Violation Identified (0 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked Regulated EPA Enforcement Record #8 🔒 Exact Street & Parcel Redacted • BALDWIN, LA (ZIP 70514 Sector) MODERATE (44/100) Violation Identified (9 qtrs NC) 🔒 9 Qtrs Non-Compliance • Unlock →
NEFF RENTAL FREE PREVIEW (LOW RISK) 4000 RAILROAD AVE, MORGAN CITY, LA 70380 LOW (25/100) No Violation Identified (0 qtrs NC) $0
CLECO POWER LLC - TECHE POWER STATION FREE PREVIEW (LOW RISK) 237 NEWMAN STREET, BALDWIN, LA 70514 LOW (23/100) No Violation Identified (0 qtrs NC) $0
MAGNOLIA SERVICE CONTRACTORS INC - MAGNO FREE PREVIEW (LOW RISK) 1073 E STEPHENSVILLE RD LOT 4, MORGAN CITY, LA 70380 LOW (20/100) No Violation Identified (0 qtrs NC) $0
CROSSTEX PELICAN LLC - PELICAN GAS PLANT FREE PREVIEW (LOW RISK) 3609 HIGHWAY 90, PATTERSON, LA 70392 LOW (20/100) No Violation Identified (0 qtrs NC) $0
🔒 + 89 Additional Regulated & Enforcement Records in Saint Mary County Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

Frequently Asked Questions — Saint Mary County, Louisiana Environmental Due Diligence

How many EPA-regulated environmental sites are in Saint Mary County, Louisiana?

Public U.S. EPA records track 101 regulated facilities in Saint Mary County, Louisiana (ranking #76 of 137 jurisdictions in LA). Of those, 8 (7.9%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 9 (8.9%) have active non-compliance quarters.

Which ZIP codes and cities in Saint Mary County have the highest regulated facility density?

Within Saint Mary County, the highest concentrations of EPA-tracked facilities are located in ZIP 70522 (Centerville, 60 sites), spanning municipal corridors including Centerville (82 sites).

How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Saint Mary County?

Across Saint Mary County, 35 facilities (34.7% 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 Mary County, LA?

Geologic indoor air screening places Saint 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 Saint Mary County, LA?

Federal records track 0 Safe Drinking Water (SDWIS) facilities, 38 Clean Water Act NPDES permits, and 13 impaired water dischargers in Saint Mary County, alongside 18 historical FEMA federal disaster declarations (9 flood/storm events).

Does Saint Mary County, LA have expansive clay soil or foundation risk?

USDA regional soil engineering screening for Saint Mary 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.

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