Saint Tammany County, Louisiana — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Saint Tammany County, LA?
In Saint Tammany County, Louisiana, public U.S. EPA records track 118 regulated facilities (#73 of 137 in Louisiana), including 8 (6.8%) High-Risk sites and $5,000 in federal penalties. Countywide due diligence also covers 6 Safe Drinking Water (SDWIS) facilities, 62 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).
Saint Tammany 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📊 Saint Tammany County, LA Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)Municipalities in Saint Tammany County
ZIP Codes in Saint Tammany County
Top EPA Regulated Facilities in Saint Tammany 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 • MANDEVILLE, LA (ZIP 70448 Sector) | HIGH (64/100) | Significant Violation (10 qtrs NC) | 🔒 10 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • ABITA SPRINGS, LA (ZIP 70420 Sector) | HIGH (64/100) | Significant Violation (8 qtrs NC) | 🔒 8 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • SLIDELL, LA (ZIP 70460 Sector) | HIGH (64/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • PEARL RIVER, LA (ZIP 70452 Sector) | HIGH (64/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • SLIDELL, LA (ZIP 70461 Sector) | MODERATE (56/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • COVINGTON, LA (ZIP 70433 Sector) | MODERATE (47/100) | Violation Identified (7 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • MANDEVILLE, LA (ZIP 70448 Sector) | MODERATE (46/100) | Violation Identified (8 qtrs NC) | 🔒 8 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • COVINGTON, LA (ZIP 70433 Sector) | MODERATE (46/100) | Violation Identified (10 qtrs NC) | 🔒 10 Qtrs Non-Compliance • Unlock → |
| BAKER SALES WAREHOUSE FREE PREVIEW (LOW RISK) | 60207 CAMP VILLERE RD, SLIDELL, LA 70460 | LOW (25/100) | No Violation Identified (0 qtrs NC) | $0 |
| CM AUTOMOTIVE REPAIR, INC. FREE PREVIEW (LOW RISK) | 1684 OLD SPANISH TRAIL BOULEVARD, SLIDELL, LA 70458 | LOW (24/100) | No Violation Identified (0 qtrs NC) | $0 |
| HILLSIDE VETERINARY ASSOCIATES LLC FREE PREVIEW (LOW RISK) | 78290 HWY 437, COVINGTON, LA 70435 | LOW (24/100) | No Violation Identified (0 qtrs NC) | $0 |
| GRAHAM CABINETS, INC. FREE PREVIEW (LOW RISK) | 58471 PEARL ACRES ROAD, SLIDELL, LA 70461 | LOW (24/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Saint Tammany County, Louisiana Environmental Due Diligence
How many EPA-regulated environmental sites are in Saint Tammany County, Louisiana?
Public U.S. EPA records track 118 regulated facilities in Saint Tammany County, Louisiana (ranking #73 of 137 jurisdictions in LA). Of those, 8 (6.8%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 11 (9.3%) have active non-compliance quarters.
Which ZIP codes and cities in Saint Tammany County have the highest regulated facility density?
Within Saint Tammany County, the highest concentrations of EPA-tracked facilities are located in ZIP 70458 (Slidell, 357 sites), ZIP 70460 (Slidell, 245 sites), ZIP 70452 (St. Tammany Parish, 111 sites), spanning municipal corridors including Slidell (1,057 sites), St. Tammany Parish (2 sites), Claiborne (2 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Saint Tammany County?
Across Saint Tammany County, 27 facilities (22.9% 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 Tammany County, LA?
Geologic indoor air screening places Saint Tammany 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 Tammany County, LA?
Federal records track 6 Safe Drinking Water (SDWIS) facilities, 62 Clean Water Act NPDES permits, and 50 impaired water dischargers in Saint Tammany County, alongside 18 historical FEMA federal disaster declarations (9 flood/storm events).
Does Saint Tammany County, LA have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Saint Tammany 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.