Harris County, Texas — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Harris County, TX?
In Harris County, Texas, public U.S. EPA records track 16,166 regulated facilities (#1 of 469 in Texas), including 360 (2.2%) High-Risk sites and $52,640,200 in federal penalties. Countywide due diligence also covers 1,400 Safe Drinking Water (SDWIS) facilities, 15,483 Clean Water NPDES permits, 4 FEMA Federal Disaster Declarations (2 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 3 — Low Potential (< 2.0 pCi/L).
Harris 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📊 Harris County, TX Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)Municipalities in Harris County
ZIP Codes in Harris County
Top EPA Regulated Facilities in Harris 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 High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • BAYTOWN, TX (ZIP 77520 Sector) | HIGH (98/100) | Significant Violation (12 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • DEER PARK, TX (ZIP 77536 Sector) | HIGH (98/100) | Significant Violation (12 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • PASADENA, TX (ZIP 77506 Sector) | HIGH (97/100) | Significant Violation (12 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • DEER PARK, TX (ZIP 77536 Sector) | HIGH (96/100) | Significant Violation (12 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • PASADENA, TX (ZIP 77507 Sector) | HIGH (95/100) | Significant Violation (12 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • LA PORTE, TX (ZIP 77572 Sector) | HIGH (95/100) | Significant Violation (12 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • PASADENA, TX (ZIP 77507 Sector) | HIGH (94/100) | Significant Violation (12 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • PASADENA, TX (ZIP 77501 Sector) | HIGH (93/100) | Significant Violation (12 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| SOUTHDOWN THERMAL DYNAMICS FREE PREVIEW (LOW RISK) | 12235 FM 529, HOUSTON, TX 77041 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| PROCESSOR AND CHEMICAL SERVICES INC FREE PREVIEW (LOW RISK) | 2125 HOPPER RD, HOUSTON, TX 77093 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| TRANSWESTERN PIPELINE FREE PREVIEW (LOW RISK) | 1400 SMITH STREET, HOUSTON, TX 77251 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| DWIGHT E GANNON FREE PREVIEW (LOW RISK) | 514 W CANINO RD, HOUSTON, TX 77037 | LOW (15/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Harris County, Texas Environmental Due Diligence
How many EPA-regulated environmental sites are in Harris County, Texas?
Public U.S. EPA records track 16,166 regulated facilities in Harris County, Texas (ranking #1 of 469 jurisdictions in TX). Of those, 360 (2.2%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 693 (4.3%) have active non-compliance quarters.
Which ZIP codes and cities in Harris County have the highest regulated facility density?
Within Harris County, the highest concentrations of EPA-tracked facilities are located in ZIP 77041 (Houston, 652 sites), ZIP 77002 (Houston, 552 sites), ZIP 77571 (La Porte, 456 sites), spanning municipal corridors including Houston (14,830 sites), Spring (950 sites), Pasadena (867 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Harris County?
Across Harris County, 7,498 facilities (46.4% 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 Harris County, TX?
Geologic indoor air screening places Harris 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 Harris County, TX?
Federal records track 1,400 Safe Drinking Water (SDWIS) facilities, 15,483 Clean Water Act NPDES permits, and 6,834 impaired water dischargers in Harris County, alongside 4 historical FEMA federal disaster declarations (2 flood/storm events).
Does Harris County, TX have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Harris County indicates a MODERATE 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.