Jefferson County, Colorado — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Jefferson County, CO?
In Jefferson County, Colorado, public U.S. EPA records track 129 regulated facilities (#56 of 108 in Colorado), including 0 (0.0%) High-Risk sites and $0 in federal penalties. Countywide due diligence also covers 0 Safe Drinking Water (SDWIS) facilities, 57 Clean Water NPDES permits, 2 FEMA Federal Disaster Declarations (1 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Jefferson 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📊 Jefferson County, CO Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Jefferson County
ZIP Codes in Jefferson County
Top EPA Regulated Facilities in Jefferson 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).
| Facility Name / Hazard Type | Sector Location (Street Redacted) | Risk Tier & Score | Compliance Status | Enforcement / Unlock |
|---|---|---|---|---|
| 🔒 Locked Regulated EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • CONIFER, CO (ZIP 80433 Sector) | MODERATE (39/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • GOLDEN, CO (ZIP 80401 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • LAKEWOOD, CO (ZIP 80226 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • EVERGREEN, CO (ZIP 80439 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • GOLDEN, CO (ZIP 80403 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • CONIFER, CO (ZIP 80433 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • DENVER, CO (ZIP 80228 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • LAKEWOOD, CO (ZIP 80401 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| SCL HEALTH COMMUNITY HOSP. - WESTMINSTER FREE PREVIEW (LOW RISK) | 6500 WEST 104TH AVENUE, WESTMINSTER, CO 80020 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| SOUTH PLATTE RIVER DRIVE IMPROVEMENTS, VIRGINIA AVE TO BAYAUD AVE FREE PREVIEW (LOW RISK) | SOUTH PLATTE RIVER DRIVE, WEST VIRGINIA AVE TO WES, DENVER, CO 80226 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| EAST JEFFERSON COUNTY SANITATION DISTRICT FREE PREVIEW (LOW RISK) | 7100 W 44TH AVE, WHEAT RIDGE, CO 80033 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| ROCKY MOUNTAIN RETINNING COMPANY LLC FREE PREVIEW (LOW RISK) | 5815 W 52ND AVE, DENVER, CO 80212 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Jefferson County, Colorado Environmental Due Diligence
How many EPA-regulated environmental sites are in Jefferson County County, Colorado?
Public U.S. EPA records track 129 regulated facilities in Jefferson County County, Colorado (ranking #56 of 108 jurisdictions in CO). Of those, 0 (0.0%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 2 (1.6%) have active non-compliance quarters.
Which ZIP codes and cities in Jefferson County County have the highest regulated facility density?
Within Jefferson County County, the highest concentrations of EPA-tracked facilities are located in ZIP 80225 (Denver, 44 sites), ZIP 80333 (Wheat Ridge, 1 sites), spanning municipal corridors including Kit Carson 8.8 Mi. Ne Of (1 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Jefferson County County?
Across Jefferson County County, 1 facilities (0.8% 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 Jefferson County County, CO?
Geologic indoor air screening places Jefferson County 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 Jefferson County County, CO?
Federal records track 0 Safe Drinking Water (SDWIS) facilities, 57 Clean Water Act NPDES permits, and 7 impaired water dischargers in Jefferson County County, alongside 2 historical FEMA federal disaster declarations (1 flood/storm events).
Does Jefferson County, CO have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Jefferson County indicates a MODERATE 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.