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 COUNTY ENVIRONMENTAL, WATER, SOIL & FLOOD HUB • TX

Dallas County, Texas — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards

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In Dallas County, Texas, public U.S. EPA records track 7,810 regulated facilities (#3 of 469 in Texas), including 88 (1.1%) High-Risk sites and $19,906,442 in federal penalties. Countywide due diligence also covers 50 Safe Drinking Water (SDWIS) facilities, 5,998 Clean Water NPDES permits, 3 FEMA Federal Disaster Declarations (1 flood/storm), USDA Soil Foundation Shrink-Swell (HIGH signal), and EPA Zone 3 — Low Potential (< 2.0 pCi/L).

Total EPA Sites (#3/469)
7,810
High-Risk (1.1% vs 1.6% State)
88
Active Violators (0.7%)
53
Drinking & Clean Water
6,048
Federal Penalties
$19,906,442

Dallas 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
3 County FEMA Declarations (1 Flood/Storm)
🔒 Exact Parcel Flood Zone (AE / VE / X) & SFHA Insurance Requirement 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
50 SDWIS Systems • 5,998 NPDES Permits
🔒 479 Impaired Water (303d) & 142 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

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

SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)
1. County Regulatory & Water Program Mix
RCRA Hazardous Waste Generators 4,491 (57.5%)
Clean Water (NPDES) & Drinking Water (SDWIS) 6,048 (77.4%)
Active EPA Non-Compliance Dockets 53 (0.7%)
High-Risk Enforcement Facilities 88 (1.1%)
2. FEMA NRI & USGS Hazard Index (1–10) Very High (99.7/100)
🌊 Flood Exposure 10/10 • Very High
🔥 Wildfire Hazard 8/10 • Relatively Low
☀️ Extreme Heat 10/10 • Very High
🌪️ Severe Wind / Storm 10/10 • Very High
🫨 USGS Earthquake 9/10 • Relatively Moderate
3. County vs. State & National Benchmark
Dallas County High-Risk % 1.1%
Texas (TX) Statewide Avg 1.6%
U.S. National EPA Baseline 3.6%
Unlock Street-Level Dossier: Full report reveals unredacted facility names, distances in feet, exact USDA soil LEP %, water table depth, and parcel flood zone.
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ZIP Codes in Dallas County

75247 — Dallas (427) 75042 — Garland (333) 75229 — Dallas (330) 75220 — Dallas (316) 75041 — Garland (313) 75212 — Dallas (310) 75052 — Grand Prairie (271) 75040 — Garland (264) 75061 — Irving (241) 75234 — Farmers Branch (231) 75051 — Grand Prairie (228) 75243 — Dallas (187) 75241 — Dallas (185) 75063 — Irving (185) 75149 — Mesquite (185) 75081 — Richardson (183) 75236 — Dallas (178) 75019 — Coppell (175) 75217 — Dallas (167) 75115 — Desoto (167) 75211 — Dallas (164) 75038 — Irving (158) 75238 — Dallas (148) 75215 — Dallas (137) 75240 — Dallas (133) 75104 — Cedar Hill (130) 75150 — Mesquite (127) 75181 — Mesquite (125) 75080 — Richardson (125) 75208 — Dallas (124) 75159 — Seagoville (121) 75146 — Lancaster (115) 75182 — Sunnyvale (108) 75043 — Garland (104) 75134 — Lancaster (102) 75060 — Irving (98) 75048 — Sachse (89) 75039 — Irving (82) 75209 — Dallas (78) 75253 — Dallas (77) 75044 — Garland (66) 75219 — Dallas (63) 75205 — Dallas (62) 75218 — Dallas (62) 75180 — Mesquite (62) 75225 — Dallas (56) 75223 — Dallas (53) 75230 — Dallas (52) 75232 — Dallas (50) 75202 — Dallas (47) 75214 — Dallas (45) 75224 — Dallas (45) 75116 — Duncanville (45) 75233 — Dallas (41) 75137 — Duncanville (40) 75251 — Dallas (27) 75210 — Dallas (18) 75249 — Dallas (15) 75265 — Dallas (9) 75011 — Carrollton (7) 75390 — Dallas (6) 75046 — Garland (4) 75083 — Richardson (4) 75266 — Dallas (3) 75356 — Dallas (3) 75030 — Rowlett (3) 75381 — Dallas (2) 75376 — Dallas (2) 77221 — Dallas (1) 75037 — Dallas (1) 75291 — Dallas (1) 75380 — Dallas (1) 97951 — Dallas (1) 75325 — Dallas (1) 75354 — Dallas (1) 75138 — Duncanville (1) 75045 — Garland (1) 76057 — Lewisville (1) 75171 — Mesquite (1) 75187 — Mesquite (1)

Top EPA Regulated Facilities in Dallas 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).

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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 • GARLAND, TX (ZIP 75041 Sector) HIGH (88/100) Violation (12 qtrs NC) 🔒 $100,000+ Federal Fine • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • GRAND PRAIRIE, TX (ZIP 75050 Sector) HIGH (80/100) Violation (12 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #3 🔒 Exact Street & Parcel Redacted • GRAND PRAIRIE, TX (ZIP 75050 Sector) HIGH (76/100) Significant Violation (11 qtrs NC) 🔒 Federal Penalty on File • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • DALLAS, TX (ZIP 75229 Sector) HIGH (72/100) Significant Violation (12 qtrs NC) 🔒 12 Qtrs Non-Compliance • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #5 🔒 Exact Street & Parcel Redacted • GARLAND, TX (ZIP 75041 Sector) HIGH (72/100) Significant Violation (12 qtrs NC) 🔒 12 Qtrs Non-Compliance • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #6 🔒 Exact Street & Parcel Redacted • LANCASTER, TX (ZIP 75134 Sector) HIGH (71/100) Resolved / Historical Non-Compliance (6 qtrs NC) 🔒 $100,000+ Federal Fine • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #7 🔒 Exact Street & Parcel Redacted • DALLAS, TX (ZIP 75253 Sector) HIGH (71/100) Violation Identified (3 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #8 🔒 Exact Street & Parcel Redacted • DALLAS, TX (ZIP 75208 Sector) HIGH (70/100) Violation (12 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
GARLAND COATINGS FREE PREVIEW (LOW RISK) 4301 ACTION ST, GARLAND, TX 75042 LOW (19/100) No Violation Identified (0 qtrs NC) $0
FLOW DESIGN FREE PREVIEW (LOW RISK) 8908 GOVERNORS ROW, DALLAS, TX 75247 LOW (19/100) No Violation Identified (0 qtrs NC) $0
DAC VISION FREE PREVIEW (LOW RISK) 3930 MILLER PARK DR, GARLAND, TX 75042 LOW (17/100) No Violation Identified (0 qtrs NC) $0
THE GOODYEAR TIRE & RUBBER COMPANY FREE PREVIEW (LOW RISK) 2111 SINGLETON BLVD, DALLAS, TX 75212 LOW (17/100) No Violation Identified (0 qtrs NC) $0
🔒 + 7,798 Additional Regulated & Enforcement Records in Dallas County Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

Frequently Asked Questions — Dallas County, Texas Environmental Due Diligence

How many EPA-regulated environmental sites are in Dallas County, Texas?

Public U.S. EPA records track 7,810 regulated facilities in Dallas County, Texas (ranking #3 of 469 jurisdictions in TX). Of those, 88 (1.1%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 53 (0.7%) have active non-compliance quarters.

Which ZIP codes and cities in Dallas County have the highest regulated facility density?

Within Dallas County, the highest concentrations of EPA-tracked facilities are located in ZIP 75247 (Dallas, 427 sites), ZIP 75042 (Garland, 333 sites), ZIP 75229 (Dallas, 330 sites), spanning municipal corridors including Dallas (5,606 sites), Garland (1,087 sites), Irving (949 sites).

How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Dallas County?

Across Dallas County, 4,491 facilities (57.5% of regulated sites) are registered Resource Conservation and Recovery Act (RCRA) hazardous waste generators or handlers, and 0 industrial sites report toxic chemical releases to the EPA Toxics Release Inventory (TRI).

What is the EPA Radon Zone classification for Dallas County, TX?

Geologic indoor air screening places Dallas County in EPA Zone 3 — Low Potential (< 2.0 pCi/L). Counties in EPA Radon Zone 3 have a predicted average indoor radon level below 2.0 pCi/L, indicating lower regional geologic radon risk.

How many drinking water systems (SDWIS), impaired water bodies, and FEMA flood disasters are recorded in Dallas County, TX?

Federal records track 50 Safe Drinking Water (SDWIS) facilities, 5,998 Clean Water Act NPDES permits, and 479 impaired water dischargers in Dallas County, alongside 3 historical FEMA federal disaster declarations (1 flood/storm events).

Does Dallas County, TX have expansive clay soil or foundation risk?

USDA regional soil engineering screening for Dallas County indicates a HIGH shrink-swell risk signal and steel pipe corrosivity rated High. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.