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13-SECTION MUNICIPAL PROPERTY, MARKET, FLOOD & HAZARD HUB • KATY, TX

Katy, Texas — Property Hazard, Flood Zone, Soil, Water & Market Guide

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What Are the Major Property, Flood, Soil & Environmental Risks in Katy, TX?

Public U.S. EPA records track 1,425 regulated facilities in Katy, Texas (Harris County), including 14 High-Risk sites (1.0%) and 32 active violators. In addition to industrial waste, Katy properties are screened for Tap Water & Watershed Permits (1,246 systems), USDA Soil Foundation Shrink-Swell (LOW signal), 4 County FEMA Disaster Declarations, and EPA Zone 3 — Low Potential (< 2.0 pCi/L).

Total EPA Sites
1,425
High-Risk (1.0% vs 1.6% State)
14
Active Violators (2.2%)
32
Drinking & Clean Water
1,246
Federal Penalties
$1,225,320

Katy, 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: LOW • Pipe Corrosion: High
🔒 Exact USDA Soil Series, Linear Extensibility (LEP %) & Water Table Depth (ft) Locked
Unlock Parcel Soil Test →
🚰 Tap Water (SDWIS) & PFAS Check
18 SDWIS Systems • 1,228 NPDES Permits
🔒 228 Impaired Water (303d) & 57 Violation Dockets Locked
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☢️ EPA Radon & Karst Sinkhole
EPA Zone 3 — Low Potential (< 2.0 pCi/L)
Non-Karst Coastal / Alluvial Clay Formation (Low Sinkhole Risk; Primary Factor is Clay Shrink-Swell)
🔒 0.25-Mi Vapor Intrusion Buffer Locked

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

SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)
1. Municipal Regulatory & Water Program Mix
RCRA Hazardous Waste Generators 149 (10.5%)
Clean Water (NPDES) & Drinking Water (SDWIS) 1,246 (87.4%)
Active EPA Non-Compliance Dockets 32 (2.2%)
High-Risk Enforcement Facilities 14 (1.0%)
2. FEMA NRI & USGS Hazard Index (1–10) Very High (99.9/100)
🌊 Flood Exposure 9/10 • Very High Hazard
🔥 Wildfire Hazard 3/10 • Low Hazard
☀️ Extreme Heat 9/10 • Very High Hazard
🌪️ Severe Wind / Storm 9/10 • Very High Hazard
🫨 USGS Earthquake 2/10 • Low Seismic Hazard
3. City vs. County & State Benchmark
Katy High-Risk Rate 1.0%
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 Katy →

ZIP Codes in Katy, TX

ZIP 77493 (634 sites • 6 High Risk) ZIP 77494 (408 sites • 3 High Risk) ZIP 77449 (342 sites • 3 High Risk) ZIP 77450 (98 sites • 2 High Risk) ZIP 77492 (6 sites • 0 High Risk) ZIP 77496 (2 sites • 0 High Risk) ZIP 77403 (1 sites • 0 High Risk) ZIP 77439 (1 sites • 0 High Risk)

Highest-Scored EPA Regulated Facilities in Katy, 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 Katy 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 • KATY, TX (ZIP 77494 Sector) HIGH (68/100) Violation Identified (9 qtrs NC) 🔒 $100,000+ Federal Fine • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • KATY, TX (ZIP 77493 Sector) HIGH (64/100) Violation Identified (10 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #3 🔒 Exact Street & Parcel Redacted • KATY, TX (ZIP 77493 Sector) HIGH (64/100) Violation Identified (8 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • KATY, TX (ZIP 77450 Sector) HIGH (64/100) Significant Violation (11 qtrs NC) 🔒 11 Qtrs Non-Compliance • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #5 🔒 Exact Street & Parcel Redacted • KATY, TX (ZIP 77449 Sector) HIGH (64/100) Significant Violation (4 qtrs NC) 🔒 4 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #6 🔒 Exact Street & Parcel Redacted • KATY, TX (ZIP 77450 Sector) MODERATE (51/100) Violation Identified (4 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked Regulated EPA Enforcement Record #7 🔒 Exact Street & Parcel Redacted • KATY, TX (ZIP 77449 Sector) MODERATE (43/100) Violation (12 qtrs NC) 🔒 12 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #8 🔒 Exact Street & Parcel Redacted • KATY, TX (ZIP 77494 Sector) MODERATE (42/100) Violation Identified (9 qtrs NC) 🔒 9 Qtrs Non-Compliance • Unlock →
CVS PHARMACY #1996 FREE PREVIEW (LOW RISK) 24950 FRANZ RD., KATY, TX 77493 LOW (16/100) No Violation Identified (0 qtrs NC) $0
PENSKE TRUCK LEASING CO., LP FREE PREVIEW (LOW RISK) 517 STONEGATE DR., KATY, TX 77494 LOW (16/100) No Violation Identified (0 qtrs NC) $0
WALMART SUPERCENTER 4538 FREE PREVIEW (LOW RISK) 6060 N FRY RD, KATY, TX 77449 LOW (15/100) No Violation Identified (0 qtrs NC) $0
WALGREEN CO FREE PREVIEW (LOW RISK) 411 S MASON ROAD, KATY, TX 77450 LOW (15/100) No Violation Identified (0 qtrs NC) $0
🔒 + 1,413 Additional Regulated & Enforcement Records in Katy, TX Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

Frequently Asked Questions — Katy, Texas Environmental Risk & Radon

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

U.S. EPA records track 1,425 regulated facilities in Katy, Texas, including 14 high-risk sites (1.0%), 32 active violators (2.2%), and 149 RCRA hazardous waste handlers (10.5%).

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

Within Katy, regulated facilities are primarily concentrated across ZIP 77493 (634 sites), ZIP 77494 (408 sites), ZIP 77449 (342 sites), ZIP 77450 (98 sites).

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

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

In Katy, TX, federal registries track 18 Safe Drinking Water (SDWIS) facilities, 1,228 Clean Water Act NPDES permits, and 228 impaired water body dischargers.

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

USDA regional soil screening for Katy indicates a LOW 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.

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