Williamson County, Texas — Property Hazard, Flood Zone, Soil, Water & Market Guide
What Are the Major Property, Flood, Soil & Environmental Risks in Williamson County, TX?
Public U.S. EPA records track 8 regulated facilities in Williamson County, Texas (Williamson County), including 1 High-Risk sites (12.5%) and 1 active violators. In addition to industrial waste, Williamson County properties are screened for Tap Water & Watershed Permits (8 systems), USDA Soil Foundation Shrink-Swell (HIGH signal), 4 County FEMA Disaster Declarations, and EPA Zone 3 — Low Potential (< 2.0 pCi/L).
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📊 Williamson County, TX Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)ZIP Codes in Williamson County, TX
Highest-Scored EPA Regulated Facilities in 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).
| 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 • WILLIAMSON COUNTY, TX (ZIP 78703 Sector) | HIGH (65/100) | Violation Identified (10 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| NORTH AUSTIN MUD NO 1 MS4 FREE PREVIEW (LOW RISK) | 2601 FOREST CREEK DRIVE, WILLIAMSON COUNTY, TX 78665 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| GTX PHASE 1 FREE PREVIEW (LOW RISK) | 900 FM 972, WILLIAMSON COUNTY, TX 78626 | LOW (13/100) | No Violation Identified (0 qtrs NC) | $0 |
| BOGGY CREEK WWTF FREE PREVIEW (LOW RISK) | 12MI NE INTX HWY 290 FM 973, WILLIAMSON COUNTY, TX 78660 | LOW (12/100) | No Violation Identified (0 qtrs NC) | $0 |
| WILLIAMSON COUNTY MUD NO 48 WWTP FREE PREVIEW (LOW RISK) | APPRX 2.5 MILES NW OF THE INTE OF CHANDLER RD AND, WILLIAMSON COUNTY, TX 76574 | LOW (12/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • WILLIAMSON COUNTY, TX (ZIP 78681 Sector) | LOW (12/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • WILLIAMSON COUNTY, TX (ZIP 00000 Sector) | LOW (12/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • WILLIAMSON COUNTY, TX (ZIP 76574 Sector) | LOW (11/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — Williamson County, Texas Environmental Risk & Radon
How many EPA-regulated facilities are in Williamson County, TX?
U.S. EPA records track 8 regulated facilities in Williamson County, Texas, including 1 high-risk sites (12.5%), 1 active violators (12.5%), and 0 RCRA hazardous waste handlers (0.0%).
Which ZIP codes in Williamson County, TX have the most EPA-tracked sites?
Within Williamson County, regulated facilities are primarily concentrated across local postal codes.
How can I check a specific house or commercial property in Williamson County, TX?
Enter the exact street address in 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 Williamson County, TX and how many EPA water permits exist?
In Williamson County, TX, federal registries track 0 Safe Drinking Water (SDWIS) facilities, 8 Clean Water Act NPDES permits, and 2 impaired water body dischargers.
What is the soil foundation risk and FEMA flood disaster history in Williamson County, TX?
USDA regional soil screening for 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.