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Denver County, Colorado — Property Hazard, Flood Zone, Soil, Water & EPA Guide

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What Are the Flood, Soil Foundation & EPA Risks in Denver County, CO?

In Denver County, Colorado, public U.S. EPA records track 5,955 regulated facilities (#2 of 108 in Colorado), including 56 (0.9%) High-Risk sites and $1,738,859 in federal penalties. Countywide due diligence also covers 18 Safe Drinking Water (SDWIS) facilities, 2,480 Clean Water NPDES permits, 14 FEMA Federal Disaster Declarations (1 flood/storm), USDA Soil Foundation Shrink-Swell (LOW signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).

Total EPA Sites (#2/108)
5,955
High-Risk (0.9% vs 1.4% State)
56
Active Violators (2.8%)
164
Drinking & Clean Water
2,498
Federal Penalties
$1,738,859

Denver County, CO 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
14 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: LOW • Pipe Corrosion: Moderate
🔒 Exact USDA Soil Series, Linear Extensibility (LEP %) & Water Table Depth (ft) Locked
Unlock Parcel Soil Test →
🚰 Tap Water (SDWIS) & PFAS Check
18 SDWIS Systems • 2,480 NPDES Permits
🔒 821 Impaired Water (303d) & 207 Violation Dockets Locked
Unlock Utility Violation Log →
☢️ EPA Radon & Karst Sinkhole
EPA Zone 1 — High Potential (> 4.0 pCi/L)
Low / Non-Karst Bedrock & Alluvial Formation
🔒 0.25-Mi Vapor Intrusion Buffer Locked

📊 Denver County, CO Statistical Risk Graphs & Multi-Hazard Telemetry

SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)
1. County Regulatory & Water Program Mix
RCRA Hazardous Waste Generators 2,566 (43.1%)
Clean Water (NPDES) & Drinking Water (SDWIS) 2,498 (41.9%)
Active EPA Non-Compliance Dockets 164 (2.8%)
High-Risk Enforcement Facilities 56 (0.9%)
2. FEMA NRI & USGS Hazard Index (1–10) Relatively High (95.2/100)
🌊 Flood Exposure 7/10 • High Hazard
🔥 Wildfire Hazard 1/10 • Very Low Hazard
☀️ Extreme Heat 3/10 • Low Hazard
🌪️ Severe Wind / Storm 7/10 • High Hazard
🫨 USGS Earthquake 2/10 • Low Seismic Hazard
3. County vs. State & National Benchmark
Denver County High-Risk % 0.9%
Colorado (CO) Statewide Avg 1.4%
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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Top EPA Regulated Facilities in Denver County, CO

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 • DENVER, CO (ZIP 80216 Sector) HIGH (85/100) Significant Violation (12 qtrs NC) 🔒 Federal Penalty on File • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • DENVER, CO (ZIP 80216 Sector) HIGH (75/100) Violation Identified (12 qtrs NC) 🔒 Federal Penalty on File • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #3 🔒 Exact Street & Parcel Redacted • DENVER, CO (ZIP 80223 Sector) HIGH (71/100) Significant Violation (11 qtrs NC) 🔒 11 Qtrs Non-Compliance • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • DENVER, CO (ZIP 80234 Sector) HIGH (68/100) Significant Violation (3 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #5 🔒 Exact Street & Parcel Redacted • DENVER, CO (ZIP 80204 Sector) HIGH (68/100) Significant Violation (3 qtrs NC) 🔒 Federal Penalty on File • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #6 🔒 Exact Street & Parcel Redacted • DENVER, CO (ZIP 80231 Sector) HIGH (66/100) Significant Violation (7 qtrs NC) 🔒 7 Qtrs Non-Compliance • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #7 🔒 Exact Street & Parcel Redacted • DENVER, CO (ZIP 80216 Sector) HIGH (66/100) Significant Violation (12 qtrs NC) 🔒 12 Qtrs Non-Compliance • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #8 🔒 Exact Street & Parcel Redacted • DENVER, CO (ZIP 80216 Sector) HIGH (65/100) Violation (12 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
FEDERAL EXPRESS CORP - E. 49TH FREE PREVIEW (LOW RISK) 11945 EAST 49TH AVENUE, DENVER, CO 80239 LOW (19/100) No Violation Identified (0 qtrs NC) $0
HUSKAR FREE PREVIEW (LOW RISK) 4554 LIPAN ST, DENVER, CO 80211 LOW (16/100) No Violation Identified (0 qtrs NC) $0
DENVER METRO RECYCLING FREE PREVIEW (LOW RISK) 4877 NATIONAL WESTERN DR UNIT 124, DENVER, CO 80216 LOW (15/100) No Violation Identified (0 qtrs NC) $0
🔒 + 5,944 Additional Regulated & Enforcement Records in Denver County Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

Frequently Asked Questions — Denver County, Colorado Environmental Due Diligence

How many EPA-regulated environmental sites are in Denver County, Colorado?

Public U.S. EPA records track 5,955 regulated facilities in Denver County, Colorado (ranking #2 of 108 jurisdictions in CO). Of those, 56 (0.9%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 164 (2.8%) have active non-compliance quarters.

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

Within Denver County, the highest concentrations of EPA-tracked facilities are located in ZIP 80216 (Denver, 1,099 sites), ZIP 80223 (Denver, 521 sites), ZIP 80204 (Denver, 502 sites), spanning municipal corridors including Denver (6,991 sites), Denver County (46 sites), Not Known (6 sites).

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

Across Denver County, 2,566 facilities (43.1% 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 Denver County, CO?

Geologic indoor air screening places Denver County in EPA Zone 1 — High Potential (> 4.0 pCi/L). Counties in EPA Radon Zone 1 have a predicted average indoor radon screening level greater than 4.0 pCi/L (the EPA action threshold). Short-term or continuous indoor radon testing is strongly recommended prior to closing.

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

Federal records track 18 Safe Drinking Water (SDWIS) facilities, 2,480 Clean Water Act NPDES permits, and 821 impaired water dischargers in Denver County, alongside 14 historical FEMA federal disaster declarations (1 flood/storm events).

Does Denver County, CO have expansive clay soil or foundation risk?

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

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