13-SECTION MUNICIPAL PROPERTY, MARKET, FLOOD & HAZARD HUB • UNINCORP WILLIAMSON COUNTY, TX

Unincorp Williamson County, Texas — Property Hazard, Flood Zone, Soil, Water & Market Guide

Q: How many EPA-regulated facilities are in Unincorp Williamson County, TX?

U.S. EPA records track 1 regulated facilities in Unincorp Williamson County, Texas, including 0 high-risk sites (0.0%), 0 active violators (0.0%), and 0 RCRA hazardous waste handlers (0.0%).

Q: Which ZIP codes in Unincorp Williamson County, TX have the most EPA-tracked sites?

Within Unincorp Williamson County, regulated facilities are primarily concentrated across local postal codes.

Q: How can I check a specific house or commercial property in Unincorp Williamson County, TX?

Enter the exact street address in Unincorp Williamson County 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.

Q: Is tap water safe in Unincorp Williamson County, TX and how many EPA water permits exist?

In Unincorp Williamson County, TX, federal registries track 0 Safe Drinking Water (SDWIS) facilities, 1 Clean Water Act NPDES permits, and 0 impaired water body dischargers.

Q: What is the soil foundation risk and FEMA flood disaster history in Unincorp Williamson County, TX?

USDA regional soil screening for Unincorp Williamson County indicates a HIGH shrink-swell foundation signal, and Williamson County has recorded 4 federal FEMA disaster declarations (1 flood/severe storm declarations). Run an address scan to unlock exact parcel soil LEP %, water table depth, and flood zone.

Run 13-Section Scan in Unincorp Williamson County →

What Are the Major Property, Flood, Soil & Environmental Risks in Unincorp Williamson County, TX?

Public U.S. EPA records track 1 regulated facilities in Unincorp Williamson County, Texas (Williamson County), including 0 High-Risk sites (0.0%) and 0 active violators. In addition to industrial waste, Unincorp Williamson County properties are screened for Tap Water & Watershed Permits (1 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

1

High-Risk (0.0% vs 1.6% State)

0

Active Violators (0.0%)

0

Drinking & Clean Water

1

Federal Penalties

$0

Unincorp Williamson 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

🌊 Flood Zone & FEMA Disaster History

Williamson County: 4 FEMA Declarations (1 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

0 SDWIS Systems • 1 NPDES Permits

🔒 0 Impaired Water (303d) & 0 Violation Dockets Locked

Unlock Utility Violation Log →

☢️ EPA Radon & Karst Sinkhole

EPA Zone 3 — Low Potential (< 2.0 pCi/L)

Elevated Edwards / Carbonate Karst Belt — Monitor Foundation Settlement & Surface Depressions

🔒 0.25-Mi Vapor Intrusion Buffer Locked

📊 Unincorp Williamson County, TX Statistical Risk Graphs & Multi-Hazard Telemetry

SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)

1. Municipal Regulatory & Water Program Mix

RCRA Hazardous Waste Generators 0 (0.0%)

Clean Water (NPDES) & Drinking Water (SDWIS) 1 (100.0%)

Active EPA Non-Compliance Dockets 0 (0.0%)

High-Risk Enforcement Facilities 0 (0.0%)

2. FEMA NRI & USGS Hazard Index (1–10) Relatively Moderate (90.1/100)

🌊 Flood Exposure 5/10 • Moderate Hazard

🔥 Wildfire Hazard 3/10 • Low Hazard

☀️ Extreme Heat 5/10 • Moderate Hazard

🌪️ Severe Wind / Storm 7/10 • High Hazard

🫨 USGS Earthquake 2/10 • Low Seismic Hazard

3. City vs. County & State Benchmark

Unincorp Williamson County High-Risk Rate 0.0%

Williamson County Average 0.4%

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 Unincorp Williamson County →

ZIP Codes in Unincorp Williamson County, TX

Highest-Scored EPA Regulated Facilities in Unincorp Williamson 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).

Unlock Full Unincorp Williamson County Dossier →

Facility Name / Hazard Type	Sector Location (Street Redacted)	Risk Tier & Score	Compliance Status	Enforcement / Unlock
CHANDLER ROAD IMPROVEMENTS FREE PREVIEW (LOW RISK)	CHANDLER ROAD, APPROXIMATELY 2,000 FEET WEST OF TH, UNINCORP WILLIAMSON COUNTY, TX 76574	LOW (12/100)	No Violation Identified (0 qtrs NC)	$0

Frequently Asked Questions — Unincorp Williamson County, Texas Environmental Risk & Radon

How many EPA-regulated facilities are in Unincorp Williamson County, TX?

U.S. EPA records track 1 regulated facilities in Unincorp Williamson County, Texas, including 0 high-risk sites (0.0%), 0 active violators (0.0%), and 0 RCRA hazardous waste handlers (0.0%).

Which ZIP codes in Unincorp Williamson County, TX have the most EPA-tracked sites?

Within Unincorp Williamson County, regulated facilities are primarily concentrated across local postal codes.

How can I check a specific house or commercial property in Unincorp Williamson County, TX?

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

In Unincorp Williamson County, TX, federal registries track 0 Safe Drinking Water (SDWIS) facilities, 1 Clean Water Act NPDES permits, and 0 impaired water body dischargers.

What is the soil foundation risk and FEMA flood disaster history in Unincorp Williamson County, TX?

USDA regional soil screening for Unincorp Williamson County indicates a HIGH shrink-swell foundation signal, and Williamson County has recorded 4 federal FEMA disaster declarations (1 flood/severe storm declarations). Run an address scan to unlock exact parcel soil LEP %, water table depth, and flood zone.