ZIP 39520 (Bay Saint Louis, MS) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 39520 in Bay Saint Louis, Mississippi (Hancock County) has 86 EPA-tracked facilities, including 4 High-Risk sites (4.7%), 3 active violators, and $253,500 in federal penalties. Beyond industrial pollution, properties in ZIP 39520 are screened across 8 historical Hancock County FEMA disasters, USDA Soil Foundation Shrink-Swell (MODERATE signal), Tap Water & Watershed Permits (27), and EPA Zone 3 — Low Potential (< 2.0 pCi/L).
ZIP 39520 (Bay Saint Louis, MS) 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 ZIP 39520 (Bay Saint Louis, MS) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 39520 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 4 High-Risk and 3 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 39520 (Bay Saint Louis, MS)
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 Score (0–100) | Compliance Status | Enforcement / Unlock |
|---|---|---|---|---|
| 🔒 Locked High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • BAY ST LOUIS, MS (ZIP 39520 Sector) | HIGH (74/100) | Violation Identified (6 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • BAY ST. LOUIS, MS (ZIP 39520 Sector) | HIGH (64/100) | Resolved / Historical Non-Compliance (9 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • BAY ST. LOUIS, MS (ZIP 39520 Sector) | HIGH (64/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • BAY SAINT LOUIS, MS (ZIP 39520 Sector) | MODERATE (51/100) | Violation Identified (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • BAY SAINT LOUIS, MS (ZIP 39520 Sector) | MODERATE (33/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • BAY SAINT LOUIS, MS (ZIP 39520 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • BAY SAINT LOUIS, MS (ZIP 39520 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • BAY SAINT LOUIS, MS (ZIP 39520 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| CHAPEL HILL PORT BIENVILLE LLC FREE PREVIEW (LOW RISK) | 13151 ROAD E, BAY SAINT LOUIS, MS 39520 | LOW (20/100) | No Violation Identified (0 qtrs NC) | $0 |
| HANCOCK CO PORT & HARBOR COMMISSION FREE PREVIEW (LOW RISK) | 13010 SEAPLANE RD, BAY SAINT LOUIS, MS 39520 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| ALCAN CABLE FREE PREVIEW (LOW RISK) | 609 CENTRAL AVENUE, BAY SAINT LOUIS, MS 39520 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| PAINT DOCTOR, THE FREE PREVIEW (LOW RISK) | 7570 LOWER BAY ROAD, BAY SAINT LOUIS, MS 39520 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — ZIP 39520 (Bay Saint Louis, MS) EPA Dataset & Radon
DATASET: U.S. EPA ECHO • FRS • RCRAInfo • TRI (November 01, 2026)How many EPA-tracked environmental sites are in ZIP code 39520 (Bay Saint Louis, MS)?
ZIP code 39520 (Bay Saint Louis, MS) contains 86 EPA-tracked facilities, of which 4 (4.7%) are classified in the High-Risk tier, 3 (3.5%) have active compliance violations, and 55 (64.0%) handle RCRA hazardous waste.
How does ZIP 39520 compare to Hancock County and Mississippi averages?
In ZIP 39520, 4.7% of regulated sites are rated High Risk, compared to 4.0% across Hancock County and 2.5% statewide in Mississippi.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 39520?
Geologic screening places ZIP 39520 in EPA Zone 3 — Low Potential (< 2.0 pCi/L). Property buyers should screen a 0.25-mile immediate buffer for vapor-intrusion sources and a 1.0-mile radius for CERCLA/RCRA sites.
Is ZIP 39520 (Bay Saint Louis, MS) in a FEMA flood zone and what is the flood disaster history?
Hancock County has recorded 8 historical FEMA federal disaster declarations (6 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 39520 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 39520 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 39520 indicates a MODERATE shrink-swell risk signal. Within ZIP 39520, federal registries track 0 SDWIS drinking water facilities, 27 Clean Water NPDES permits, and 1 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.