PUBLIC DATA SOURCE: U.S. EPA ECHO, FRS, RCRA, TRI & FEMA NFHL 3,230,651 Regulated Sites • All 50 States • Data as of November 01, 2026
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6-IN-1 MUNICIPAL ENVIRONMENTAL, WATER, SOIL & FLOOD HUB • HOUSTON, TX

Houston, Texas — Flood Zone, Tap Water Quality, Soil Foundation, Radon & EPA Hazards

Run 1-Mile Address Scan in Houston →

Public U.S. EPA records track 14,830 regulated facilities in Houston, Texas (Harris County), including 202 High-Risk sites (1.4%) and 370 active violators. In addition to industrial waste, Houston properties are screened for Tap Water & Watershed Permits (8,200 systems), USDA Soil Foundation Shrink-Swell (HIGH signal), 4 County FEMA Disaster Declarations, and EPA Zone 3 — Low Potential (< 2.0 pCi/L).

Total EPA Sites
14,830
High-Risk (1.4% vs 1.6% State)
202
Active Violators (2.5%)
370
Drinking & Clean Water
8,200
Federal Penalties
$82,894,946

Houston, TX 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals

🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan
🌊 Flood Zone & FEMA Disaster History
Harris County: 4 FEMA Declarations (2 Flood/Storm)
🔒 Exact Parcel Flood Zone (AE / VE / X) & SFHA Insurance Status Locked
Check Property Flood Zone →
🪨 USDA Soil, Foundation & Water Table
Shrink-Swell Risk Signal: HIGH • Pipe Corrosion: High
🔒 Exact USDA Soil Series, Linear Extensibility (LEP %) & Water Table Depth (ft) Locked
Unlock Parcel Soil Test →
🚰 Tap Water (SDWIS) & PFAS Check
416 SDWIS Systems • 7,784 NPDES Permits
🔒 3,717 Impaired Water (303d) & 678 Violation Dockets Locked
Unlock Utility Violation Log →
☢️ EPA Radon & Karst Sinkhole
EPA Zone 3 — Low Potential (< 2.0 pCi/L)
Elevated Carbonate / Karst Sinkhole Belt — Monitor Foundation Settlement & Surface Depressions
🔒 0.25-Mi Vapor Intrusion Buffer Locked

📊 Houston, TX Statistical Risk Graphs & Multi-Hazard Telemetry

SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)
1. Municipal Regulatory & Water Program Mix
RCRA Hazardous Waste Generators 5,730 (38.6%)
Clean Water (NPDES) & Drinking Water (SDWIS) 8,200 (55.3%)
Active EPA Non-Compliance Dockets 370 (2.5%)
High-Risk Enforcement Facilities 202 (1.4%)
2. FEMA NRI & USGS Hazard Index (1–10) Very High (99.9/100)
🌊 Flood Exposure 10/10 • Very High
🔥 Wildfire Hazard 9/10 • Relatively Low
☀️ Extreme Heat 10/10 • Very High
🌪️ Severe Wind / Storm 10/10 • Very High
🫨 USGS Earthquake 9/10 • Relatively Moderate
3. City vs. County & State Benchmark
Houston High-Risk Rate 1.4%
Harris County Average 2.2%
Texas (TX) Statewide Avg 1.6%
Unlock Street-Level Dossier: Paid report reveals exact facility names, distances in feet, USDA soil LEP %, water table depth, and parcel flood zone.
🔒 Scan a Property Address in Houston →

ZIP Codes in Houston, TX

ZIP 77041 (652 sites • 7 High Risk) ZIP 77002 (552 sites • 10 High Risk) ZIP 77032 (368 sites • 5 High Risk) ZIP 77015 (356 sites • 17 High Risk) ZIP 77044 (303 sites • 3 High Risk) ZIP 77055 (287 sites • 1 High Risk) ZIP 77049 (283 sites • 11 High Risk) ZIP 77029 (281 sites • 3 High Risk) ZIP 77056 (267 sites • 3 High Risk) ZIP 77040 (265 sites • 2 High Risk) ZIP 77084 (255 sites • 4 High Risk) ZIP 77073 (247 sites • 2 High Risk) ZIP 77092 (247 sites • 0 High Risk) ZIP 77087 (236 sites • 3 High Risk) ZIP 77024 (234 sites • 6 High Risk) ZIP 77020 (218 sites • 2 High Risk) ZIP 77064 (217 sites • 4 High Risk) ZIP 77037 (203 sites • 1 High Risk) ZIP 77079 (199 sites • 4 High Risk) ZIP 77043 (197 sites • 2 High Risk) ZIP 77007 (196 sites • 0 High Risk) ZIP 77061 (196 sites • 1 High Risk) ZIP 77034 (192 sites • 0 High Risk) ZIP 77008 (186 sites • 1 High Risk) ZIP 77039 (186 sites • 1 High Risk) ZIP 77048 (184 sites • 5 High Risk) ZIP 77060 (179 sites • 5 High Risk) ZIP 77018 (177 sites • 0 High Risk) ZIP 77057 (173 sites • 0 High Risk) ZIP 77045 (172 sites • 1 High Risk) ZIP 77054 (171 sites • 0 High Risk) ZIP 77075 (170 sites • 0 High Risk) ZIP 77070 (166 sites • 5 High Risk) ZIP 77093 (164 sites • 3 High Risk) ZIP 77081 (163 sites • 3 High Risk) ZIP 77042 (156 sites • 0 High Risk) ZIP 77011 (150 sites • 2 High Risk) ZIP 77086 (148 sites • 3 High Risk) ZIP 77036 (148 sites • 0 High Risk) ZIP 77090 (146 sites • 1 High Risk) ZIP 77091 (146 sites • 0 High Risk) ZIP 77013 (145 sites • 0 High Risk) ZIP 77038 (145 sites • 0 High Risk) ZIP 77003 (137 sites • 0 High Risk) ZIP 77063 (136 sites • 2 High Risk) ZIP 77026 (134 sites • 4 High Risk) ZIP 77028 (129 sites • 5 High Risk) ZIP 77017 (128 sites • 5 High Risk) ZIP 77066 (126 sites • 3 High Risk) ZIP 77023 (126 sites • 1 High Risk) ZIP 77095 (126 sites • 2 High Risk) ZIP 77080 (122 sites • 0 High Risk) ZIP 77074 (120 sites • 0 High Risk) ZIP 77022 (119 sites • 0 High Risk) ZIP 77099 (118 sites • 0 High Risk) ZIP 77009 (115 sites • 0 High Risk) ZIP 77077 (114 sites • 3 High Risk) ZIP 77021 (113 sites • 1 High Risk) ZIP 77012 (113 sites • 6 High Risk) ZIP 77098 (108 sites • 1 High Risk)

Highest-Scored EPA Regulated Facilities in Houston, TX

100% of High-Risk & penalized facilities have facility names, street names, and dockets redacted (3 Low-Risk compliant records shown as Free Previews).

Unlock Full Houston Dossier →
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 • HOUSTON, TX (ZIP 77015 Sector) HIGH (96/100) Significant Violation (12 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • HOUSTON, TX (ZIP 77095 Sector) HIGH (92/100) Significant Violation (12 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #3 🔒 Exact Street & Parcel Redacted • HOUSTON, TX (ZIP 77033 Sector) HIGH (88/100) Significant Violation (11 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • HOUSTON, TX (ZIP 77017 Sector) HIGH (83/100) Violation (7 qtrs NC) 🔒 $100,000+ Federal Fine • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #5 🔒 Exact Street & Parcel Redacted • HOUSTON, TX (ZIP 77017 Sector) HIGH (81/100) Violation (12 qtrs NC) 🔒 $100,000+ Federal Fine • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #6 🔒 Exact Street & Parcel Redacted • HOUSTON, TX (ZIP 77049 Sector) HIGH (80/100) Violation (12 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #7 🔒 Exact Street & Parcel Redacted • HOUSTON, TX (ZIP 77017 Sector) HIGH (79/100) Violation Identified (8 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #8 🔒 Exact Street & Parcel Redacted • HOUSTON, TX (ZIP 77017 Sector) HIGH (77/100) Violation Identified (6 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
🔒 + 14,818 Additional Regulated & Enforcement Records in Houston, TX Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

Frequently Asked Questions — Houston, Texas Environmental Risk & Radon

How many EPA-regulated facilities are in Houston, TX?

U.S. EPA records track 14,830 regulated facilities in Houston, Texas, including 202 high-risk sites (1.4%), 370 active violators (2.5%), and 5,730 RCRA hazardous waste handlers (38.6%).

Which ZIP codes in Houston, TX have the most EPA-tracked sites?

Within Houston, regulated facilities are primarily concentrated across ZIP 77041 (652 sites), ZIP 77002 (552 sites), ZIP 77032 (368 sites), ZIP 77015 (356 sites).

How can I check a specific house or commercial property in Houston, TX?

Enter the exact street address in Houston 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 Houston, TX and how many EPA water permits exist?

In Houston, TX, federal registries track 416 Safe Drinking Water (SDWIS) facilities, 7,784 Clean Water Act NPDES permits, and 3,717 impaired water body dischargers.

What is the soil foundation risk and FEMA flood disaster history in Houston, TX?

USDA regional soil screening for Houston indicates a HIGH shrink-swell foundation signal, and Harris County has recorded 4 federal FEMA disaster declarations (2 flood/severe storm declarations). Run an address scan to unlock exact parcel soil LEP %, water table depth, and flood zone.