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

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

In Weld County, Colorado, public U.S. EPA records track 13,984 regulated facilities (#1 of 108 in Colorado), including 158 (1.1%) High-Risk sites and $23,008,052 in federal penalties. Countywide due diligence also covers 72 Safe Drinking Water (SDWIS) facilities, 3,564 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 (#1/108)
13,984
High-Risk (1.1% vs 1.4% State)
158
Active Violators (1.3%)
183
Drinking & Clean Water
3,636
Federal Penalties
$23,008,052

Weld 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: Low
🔒 Exact USDA Soil Series, Linear Extensibility (LEP %) & Water Table Depth (ft) Locked
Unlock Parcel Soil Test →
🚰 Tap Water (SDWIS) & PFAS Check
72 SDWIS Systems • 3,564 NPDES Permits
🔒 215 Impaired Water (303d) & 268 Violation Dockets Locked
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☢️ 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

📊 Weld 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 862 (6.2%)
Clean Water (NPDES) & Drinking Water (SDWIS) 3,636 (26.0%)
Active EPA Non-Compliance Dockets 183 (1.3%)
High-Risk Enforcement Facilities 158 (1.1%)
2. FEMA NRI & USGS Hazard Index (1–10) Relatively Moderate (89.2/100)
🌊 Flood Exposure 5/10 • Moderate Hazard
🔥 Wildfire Hazard 3/10 • 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
Weld County High-Risk % 1.1%
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 Weld 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 • ROGGEN, CO (ZIP 80652 Sector) HIGH (98/100) Significant Violation (12 qtrs NC) 🔒 $100,000+ Federal Fine • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • FORT LUPTON, CO (ZIP 80621 Sector) HIGH (91/100) Significant Violation (11 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #3 🔒 Exact Street & Parcel Redacted • WINDSOR, CO (ZIP 80550 Sector) HIGH (86/100) Significant Violation (8 qtrs NC) 🔒 $100,000+ Federal Fine • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • GREELEY, CO (ZIP 80631 Sector) HIGH (83/100) Violation Identified (12 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #5 🔒 Exact Street & Parcel Redacted • FORT LUPTON, CO (ZIP 80621 Sector) HIGH (77/100) Significant Violation (12 qtrs NC) 🔒 $100,000+ Federal Fine • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #6 🔒 Exact Street & Parcel Redacted • HUDSON, CO (ZIP 80642 Sector) HIGH (70/100) Significant Violation (7 qtrs NC) 🔒 $100,000+ Federal Fine • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #7 🔒 Exact Street & Parcel Redacted • PLATTEVILLE, CO (ZIP 80651 Sector) HIGH (70/100) Significant Violation (12 qtrs NC) 🔒 12 Qtrs Non-Compliance • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #8 🔒 Exact Street & Parcel Redacted • ERIE, CO (ZIP 80516 Sector) HIGH (67/100) Significant Violation (12 qtrs NC) 🔒 12 Qtrs Non-Compliance • Unlock →
KFKA TRANSMITTER WELD CO BROADCASTERS FREE PREVIEW (LOW RISK) 37TH ST & 35TH AVE, GREELEY, CO 80634 LOW (17/100) No Violation Identified (0 qtrs NC) $0
FOX CREEK 3-26H API 05-123-31417 FREE PREVIEW (LOW RISK) NW OF WCR 71 & WCR 136, HEREFORD, CO 80732 LOW (17/100) No Violation Identified (0 qtrs NC) $0
PSCO - BRIGHTON SERVICE CENTER FREE PREVIEW (LOW RISK) 12466 WELD CNTY RD, BRIGHTON, CO 80601 LOW (17/100) No Violation Identified (0 qtrs NC) $0
SCHNEIDER USX II 31-11D API 05-123-34503 FREE PREVIEW (LOW RISK) NE OF WCR 74 & WCR 25, SEVERANCE, CO 80546 LOW (15/100) No Violation Identified (0 qtrs NC) $0
🔒 + 13,972 Additional Regulated & Enforcement Records in Weld County Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

Frequently Asked Questions — Weld County, Colorado Environmental Due Diligence

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

Public U.S. EPA records track 13,984 regulated facilities in Weld County, Colorado (ranking #1 of 108 jurisdictions in CO). Of those, 158 (1.1%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 183 (1.3%) have active non-compliance quarters.

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

Within Weld County, the highest concentrations of EPA-tracked facilities are located in ZIP 80631 (Greeley, 1,629 sites), ZIP 80645 (La Salle, 6.8 Mi Se Of, 1,397 sites), ZIP 80644 (Kersey Area, 1,319 sites), spanning municipal corridors including Greeley (1,753 sites), Longmont (1,188 sites), Fort Lupton (701 sites).

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

Across Weld County, 862 facilities (6.2% 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 Weld County, CO?

Geologic indoor air screening places Weld 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 Weld County, CO?

Federal records track 72 Safe Drinking Water (SDWIS) facilities, 3,564 Clean Water Act NPDES permits, and 215 impaired water dischargers in Weld County, alongside 14 historical FEMA federal disaster declarations (1 flood/storm events).

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

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

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