St. Tammany Parish, Louisiana — Property Hazard, Flood Zone, Soil, Water & Market Guide
What Are the Major Property, Flood, Soil & Environmental Risks in St. Tammany Parish, LA?
Public U.S. EPA records track 2 regulated facilities in St. Tammany Parish, Louisiana (Saint Tammany County), including 0 High-Risk sites (0.0%) and 0 active violators. In addition to industrial waste, St. Tammany Parish properties are screened for Tap Water & Watershed Permits (1 systems), USDA Soil Foundation Shrink-Swell (HIGH signal), 18 County FEMA Disaster Declarations, and EPA Zone 3 — Low Potential (< 2.0 pCi/L).
St. Tammany Parish, 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. Tammany Parish, LA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)ZIP Codes in St. Tammany Parish, LA
Highest-Scored EPA Regulated Facilities in St. Tammany Parish, 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 |
|---|---|---|---|---|
| LA DOTD FREE PREVIEW (LOW RISK) | I-12 AT LA 21, ST. TAMMANY PARISH, LA 70000 | LOW (13/100) | No Violation Identified (0 qtrs NC) | $0 |
| LEON LOWE AND SONS, INC. FREE PREVIEW (LOW RISK) | WEST PEARL RIVER AT I-59, S6, T8SO R15E, ST. TAMMANY PARISH, LA 70452 | LOW (9/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — St. Tammany Parish, Louisiana Environmental Risk & Radon
How many EPA-regulated facilities are in St. Tammany Parish, LA?
U.S. EPA records track 2 regulated facilities in St. Tammany Parish, Louisiana, including 0 high-risk sites (0.0%), 0 active violators (0.0%), and 0 RCRA hazardous waste handlers (0.0%).
Which ZIP codes in St. Tammany Parish, LA have the most EPA-tracked sites?
Within St. Tammany Parish, regulated facilities are primarily concentrated across ZIP 70452 (111 sites).
How can I check a specific house or commercial property in St. Tammany Parish, LA?
Enter the exact street address in St. Tammany Parish 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 St. Tammany Parish, LA and how many EPA water permits exist?
In St. Tammany Parish, LA, federal registries track 0 Safe Drinking Water (SDWIS) facilities, 1 Clean Water Act NPDES permits, and 0 impaired water body dischargers.
What is the soil foundation risk and FEMA flood disaster history in St. Tammany Parish, LA?
USDA regional soil screening for St. Tammany Parish indicates a HIGH shrink-swell foundation signal, and Saint Tammany County has recorded 18 federal FEMA disaster declarations (9 flood/severe storm declarations). Run an address scan to unlock exact parcel soil LEP %, water table depth, and flood zone.