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

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

Q: How many EPA-regulated facilities are in Sunnnyvale, TX?

U.S. EPA records track 1 regulated facilities in Sunnnyvale, 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 Sunnnyvale, TX have the most EPA-tracked sites?

Within Sunnnyvale, regulated facilities are primarily concentrated across local postal codes.

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

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

In Sunnnyvale, 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 Sunnnyvale, TX?

USDA regional soil screening for Sunnnyvale indicates a HIGH shrink-swell foundation signal, and Dallas County has recorded 3 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.

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

Public U.S. EPA records track 1 regulated facilities in Sunnnyvale, Texas (Dallas County), including 0 High-Risk sites (0.0%) and 0 active violators. In addition to industrial waste, Sunnnyvale properties are screened for Tap Water & Watershed Permits (1 systems), USDA Soil Foundation Shrink-Swell (HIGH signal), 3 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

Sunnnyvale, 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

Dallas County: 3 FEMA Declarations (1 Flood/Storm)

🔒 Exact Parcel Flood Zone (AE / VE / X) & SFHA Insurance Status Locked

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🪨 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

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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

📊 Sunnnyvale, 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) Very High (99.7/100)

🌊 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

Sunnnyvale High-Risk Rate 0.0%

Dallas County Average 1.1%

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.

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ZIP Codes in Sunnnyvale, TX

Highest-Scored EPA Regulated Facilities in Sunnnyvale, TX

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

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Facility Name / Hazard Type	Sector Location (Street Redacted)	Risk Tier & Score	Compliance Status	Enforcement / Unlock
CASTLEROCK COMMUNITIES - THE HOMESTEAD FREE PREVIEW (LOW RISK)	WEST OF TAVERNER AND SOUTH OF TOWN EAST BLVD., SUNNNYVALE, TX 75182	LOW (13/100)	No Violation Identified (0 qtrs NC)	$0

Frequently Asked Questions — Sunnnyvale, Texas Environmental Risk & Radon

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

U.S. EPA records track 1 regulated facilities in Sunnnyvale, 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 Sunnnyvale, TX have the most EPA-tracked sites?

Within Sunnnyvale, regulated facilities are primarily concentrated across local postal codes.

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

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

In Sunnnyvale, 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 Sunnnyvale, TX?

USDA regional soil screening for Sunnnyvale indicates a HIGH shrink-swell foundation signal, and Dallas County has recorded 3 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.