Grand Isle, Louisiana — Property Hazard, Flood Zone, Soil, Water & Market Guide
What Are the Major Property, Flood, Soil & Environmental Risks in Grand Isle, LA?
Public U.S. EPA records track 105 regulated facilities in Grand Isle, Louisiana (Jefferson County), including 12 High-Risk sites (11.4%) and 18 active violators. In addition to industrial waste, Grand Isle properties are screened for Tap Water & Watershed Permits (64 systems), USDA Soil Foundation Shrink-Swell (HIGH signal), 11 County FEMA Disaster Declarations, and EPA Zone 3 — Low Potential (< 2.0 pCi/L).
Grand Isle, LA 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Grand Isle, LA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)ZIP Codes in Grand Isle, LA
Highest-Scored EPA Regulated Facilities in Grand Isle, 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 • GRAND ISLE, LA (ZIP 70358 Sector) | HIGH (71/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • GRAND ISLE, LA (ZIP 70358 Sector) | HIGH (67/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • GRAND ISLE, LA (ZIP 70000 Sector) | HIGH (64/100) | Significant Violation (9 qtrs NC) | 🔒 9 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • GRAND ISLE, LA (ZIP 70358 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 • GRAND ISLE, LA (ZIP 70358 Sector) | HIGH (64/100) | Significant Violation (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • GRAND ISLE, LA (ZIP 70358 Sector) | MODERATE (49/100) | Violation Identified (7 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • GRAND ISLE, LA (ZIP 70358 Sector) | MODERATE (47/100) | Violation Identified (8 qtrs NC) | 🔒 8 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • GRAND ISLE, LA (ZIP 70358 Sector) | MODERATE (40/100) | Violation Identified (9 qtrs NC) | 🔒 9 Qtrs Non-Compliance • Unlock → |
| M-I, LLC FREE PREVIEW (LOW RISK) | WALNUT STREET, GRAND ISLE, LA 70358 | LOW (24/100) | No Violation Identified (0 qtrs NC) | $0 |
| ISLAND DOLLAR & HARDWARE LLC FREE PREVIEW (LOW RISK) | 3125 HWY 1, GRAND ISLE, LA 70358 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| WALTER H. MAPLES INC- SUREWAY SUPERMARKET FREE PREVIEW (LOW RISK) | 3209 HWY 1, GRAND ISLE, LA 70358 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| GRAHAM MARINE INC FREE PREVIEW (LOW RISK) | 391 HWY 1 100 FT E OF ELM LN, GRAND ISLE, LA 70358 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Grand Isle, Louisiana Environmental Risk & Radon
How many EPA-regulated facilities are in Grand Isle, LA?
U.S. EPA records track 105 regulated facilities in Grand Isle, Louisiana, including 12 high-risk sites (11.4%), 18 active violators (17.1%), and 24 RCRA hazardous waste handlers (22.9%).
Which ZIP codes in Grand Isle, LA have the most EPA-tracked sites?
Within Grand Isle, regulated facilities are primarily concentrated across ZIP 70358 (82 sites).
How can I check a specific house or commercial property in Grand Isle, LA?
Enter the exact street address in Grand Isle into the FullPropertyReport radius scanner to screen all EPA ECHO, FRS, RCRA, TRI, USDA soil foundation shrink-swell, drinking water (SDWIS), FEMA flood zone, and county radon records within 0.5 to 3.0 miles.
Is tap water safe in Grand Isle, LA and how many EPA water permits exist?
In Grand Isle, LA, federal registries track 0 Safe Drinking Water (SDWIS) facilities, 64 Clean Water Act NPDES permits, and 42 impaired water body dischargers.
What is the soil foundation risk and FEMA flood disaster history in Grand Isle, LA?
USDA regional soil screening for Grand Isle indicates a HIGH shrink-swell foundation signal, and Jefferson County has recorded 11 federal FEMA disaster declarations (7 flood/severe storm declarations). Run an address scan to unlock exact parcel soil LEP %, water table depth, and flood zone.