Thornton, Colorado — Property Hazard, Flood Zone, Soil, Water & Market Guide
What Are the Major Property, Flood, Soil & Environmental Risks in Thornton, CO?
Public U.S. EPA records track 713 regulated facilities in Thornton, Colorado (Adams County), including 5 High-Risk sites (0.7%) and 18 active violators. In addition to industrial waste, Thornton properties are screened for Tap Water & Watershed Permits (463 systems), USDA Soil Foundation Shrink-Swell (HIGH signal), 14 County FEMA Disaster Declarations, and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Thornton, CO 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Thornton, CO Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)ZIP Codes in Thornton, CO
Highest-Scored EPA Regulated Facilities in Thornton, CO
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 • THORNTON, CO (ZIP 80229 Sector) | HIGH (64/100) | Significant Violation (5 qtrs NC) | 🔒 5 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • THORNTON, CO (ZIP 80229 Sector) | HIGH (64/100) | Significant Violation (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • THORNTON, CO (ZIP 80229 Sector) | HIGH (64/100) | Significant Violation (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • THORNTON, CO (ZIP 80229 Sector) | MODERATE (43/100) | No Violation Identified (0 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • THORNTON, CO (ZIP 80260 Sector) | MODERATE (35/100) | Resolved / Historical Non-Compliance (2 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • THORNTON, CO (ZIP 80229 Sector) | MODERATE (33/100) | Violation Identified (3 qtrs NC) | 🔒 3 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • THORNTON, CO (ZIP 80241 Sector) | MODERATE (32/100) | Violation Identified (6 qtrs NC) | 🔒 6 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • THORNTON, CO (ZIP 80229 Sector) | MODERATE (31/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| COSTCO GAS STATION #629 FREE PREVIEW (LOW RISK) | 16375 N WASHINGTON ST, THORNTON, CO 80023 | LOW (20/100) | No Violation Identified (0 qtrs NC) | $0 |
| WAL-MART STORES, INC. - STORE #4567 FREE PREVIEW (LOW RISK) | 7101 E 128TH AVE, THORNTON, CO 80602 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| SPECTRUM PAINT & BODY FREE PREVIEW (LOW RISK) | 8800 N PEARL ST, THORNTON, CO 80229 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| POWERSECURE - SAM'S CLUB # 4745 FREE PREVIEW (LOW RISK) | 9601 GRANT ST, THORNTON, CO 80229 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Thornton, Colorado Environmental Risk & Radon
How many EPA-regulated facilities are in Thornton, CO?
U.S. EPA records track 713 regulated facilities in Thornton, Colorado, including 5 high-risk sites (0.7%), 18 active violators (2.5%), and 121 RCRA hazardous waste handlers (17.0%).
Which ZIP codes in Thornton, CO have the most EPA-tracked sites?
Within Thornton, regulated facilities are primarily concentrated across ZIP 80221 (379 sites), ZIP 80602 (293 sites), ZIP 80233 (192 sites), ZIP 80614 (5 sites).
How can I check a specific house or commercial property in Thornton, CO?
Enter the exact street address in Thornton 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 Thornton, CO and how many EPA water permits exist?
In Thornton, CO, federal registries track 1 Safe Drinking Water (SDWIS) facilities, 462 Clean Water Act NPDES permits, and 28 impaired water body dischargers.
What is the soil foundation risk and FEMA flood disaster history in Thornton, CO?
USDA regional soil screening for Thornton indicates a HIGH shrink-swell foundation signal, and Adams County has recorded 14 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.