Simpson County, Mississippi — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
In Simpson County, Mississippi, public U.S. EPA records track 178 regulated facilities (#28 of 96 in Mississippi), including 3 (1.7%) High-Risk sites and $6,000 in federal penalties. Countywide due diligence also covers 18 Safe Drinking Water (SDWIS) facilities, 137 Clean Water NPDES permits, 6 FEMA Federal Disaster Declarations (3 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 3 — Low Potential (< 2.0 pCi/L).
Simpson County, MS 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Simpson County, MS Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)Municipalities in Simpson County
ZIP Codes in Simpson County
Top EPA Regulated Facilities in Simpson County, 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 Tier & Score | Compliance Status | Enforcement / Unlock |
|---|---|---|---|---|
| 🔒 Locked High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • BRAXTON, MS (ZIP 39044 Sector) | HIGH (64/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • MENDENHALL, MS (ZIP 39114 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 • MENDENHALL, MS (ZIP 39114 Sector) | HIGH (64/100) | Significant Violation (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • MENDENHALL, MS (ZIP 39114 Sector) | MODERATE (38/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • MAGEE, MS (ZIP 39111 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • MAGEE, MS (ZIP 39111 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • MOUNT OLIVE, MS (ZIP 39119 Sector) | MODERATE (30/100) | Violation Identified (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • MOUNT OLIVE, MS (ZIP 39119 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| SANDERSON FARMS, INC. FREE PREVIEW (LOW RISK) | 720 CO-OP ROAD, MAGEE, MS 39111 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| MAGNETEK INC FREE PREVIEW (LOW RISK) | U.S. HIGHWAY 49 SOUTH, MENDENHALL, MS 39114 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| REX BROADHEAD, POULTRY FREE PREVIEW (LOW RISK) | B P AND W ROAD, D' LO, MS 39062 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| RESOURCES MANAGEMENT INC FREE PREVIEW (LOW RISK) | HIGHWAY 28 WEST, MAGEE, MS 39111 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Simpson County, Mississippi Environmental Due Diligence
How many EPA-regulated environmental sites are in Simpson County, Mississippi?
Public U.S. EPA records track 178 regulated facilities in Simpson County, Mississippi (ranking #28 of 96 jurisdictions in MS). Of those, 3 (1.7%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 6 (3.4%) have active non-compliance quarters.
Which ZIP codes and cities in Simpson County have the highest regulated facility density?
Within Simpson County, the highest concentrations of EPA-tracked facilities are located in ZIP 39114 (Mendenhall, 69 sites), ZIP 39111 (Magee, 56 sites), ZIP 39149 (Pinola, 18 sites), spanning municipal corridors including Mendenhall (72 sites), Magee (54 sites), Pinola (16 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Simpson County?
Across Simpson County, 16 facilities (9.0% 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 Simpson County, MS?
Geologic indoor air screening places Simpson 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 Simpson County, MS?
Federal records track 18 Safe Drinking Water (SDWIS) facilities, 137 Clean Water Act NPDES permits, and 1 impaired water dischargers in Simpson County, alongside 6 historical FEMA federal disaster declarations (3 flood/storm events).
Does Simpson County, MS have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Simpson County indicates a MODERATE 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.