Knox County, Texas — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Knox County, TX?
In Knox County, Texas, public U.S. EPA records track 32 regulated facilities (#351 of 469 in Texas), including 2 (6.2%) High-Risk sites and $19,500 in federal penalties. Countywide due diligence also covers 8 Safe Drinking Water (SDWIS) facilities, 34 Clean Water NPDES permits, 2 FEMA Federal Disaster Declarations (0 flood/storm), USDA Soil Foundation Shrink-Swell (LOW signal), and EPA Zone 3 — Low Potential (< 2.0 pCi/L).
Knox County, TX 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Knox County, TX Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)Municipalities in Knox County
ZIP Codes in Knox County
Top EPA Regulated Facilities in Knox County, TX
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 Regulated EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • , TX (ZIP Sector) | MODERATE (31/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • MUNDAY, TX (ZIP 76371 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • , TX (ZIP Sector) | MODERATE (22/100) | Resolved / Historical Non-Compliance (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • MUNDAY, TX (ZIP 76371 Sector) | MODERATE (19/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| QUALITY IMPLEMENT CO FREE PREVIEW (LOW RISK) | 19677 US HIGHWAY 82 E, SEYMOUR, TX 76380 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| AIR AG INC FREE PREVIEW (LOW RISK) | 11810 HIGHWAY 6 N AIRPORT, KNOX CITY, TX 79529 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| CHRISTENSEN AVIATION INC FREE PREVIEW (LOW RISK) | 810 N MUNDAY AVE, MUNDAY, TX 76371 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| OXY USA INC FREE PREVIEW (LOW RISK) | 5 MI W & 9 MI S OF, KNOX CITY, TX 79529 | LOW (15/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • MUNDAY, TX (ZIP 76371 Sector) | LOW (15/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • MUNDAY, TX, TX (ZIP 76371 Sector) | LOW (15/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • TEXAS, TX (ZIP 76363 Sector) | LOW (13/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • KNOX CITY, TX (ZIP 79529 Sector) | LOW (13/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — Knox County, Texas Environmental Due Diligence
How many EPA-regulated environmental sites are in Knox County, Texas?
Public U.S. EPA records track 32 regulated facilities in Knox County, Texas (ranking #351 of 469 jurisdictions in TX). Of those, 2 (6.2%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 3 (9.4%) have active non-compliance quarters.
Which ZIP codes and cities in Knox County have the highest regulated facility density?
Within Knox County, the highest concentrations of EPA-tracked facilities are located in ZIP 76371 (Munday, 20 sites), ZIP 79505 (Benjamin, 18 sites), ZIP 79529 (Knox City, 15 sites), spanning municipal corridors including Munday (18 sites), Benjamin (18 sites), Goree (2 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Knox County?
Across Knox County, 8 facilities (25.0% 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 Knox County, TX?
Geologic indoor air screening places Knox 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 Knox County, TX?
Federal records track 8 Safe Drinking Water (SDWIS) facilities, 34 Clean Water Act NPDES permits, and 1 impaired water dischargers in Knox County, alongside 2 historical FEMA federal disaster declarations (0 flood/storm events).
Does Knox County, TX have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Knox County indicates a LOW shrink-swell risk signal and steel pipe corrosivity rated High. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.