Jefferson County, Colorado — Property Hazard, Flood Zone, Soil, Water & Market Guide
What Are the Major Property, Flood, Soil & Environmental Risks in Jefferson County, CO?
Public U.S. EPA records track 40 regulated facilities in Jefferson County, Colorado (Jefferson County), including 0 High-Risk sites (0.0%) and 2 active violators. In addition to industrial waste, Jefferson County properties are screened for Tap Water & Watershed Permits (38 systems), USDA Soil Foundation Shrink-Swell (MODERATE signal), 2 County FEMA Disaster Declarations, 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)ZIP Codes in Jefferson County, CO
Highest-Scored 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 • JEFFERSON COUNTY, CO (ZIP 80401 Sector) | MODERATE (39/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • JEFFERSON COUNTY, CO (ZIP 80454 Sector) | MODERATE (30/100) | Violation Identified (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • JEFFERSON COUNTY, CO (ZIP 80402 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • JEFFERSON COUNTY, CO (ZIP 80419 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • JEFFERSON COUNTY, 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 • JEFFERSON COUNTY, CO (ZIP 80419 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| WINDY PEAK OUTDOOR EDUCATION LABORATORY SCHOOL WWTF FREE PREVIEW (LOW RISK) | 20973 WELLINGTON LAKE RD, JEFFERSON COUNTY, CO 80421 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| RTD EAGLE P3 PROJECT - GOLD LINE FREE PREVIEW (LOW RISK) | PECOS ST & RR LINE (40TH AVE), JEFFERSON COUNTY, CO 00000 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| ASHLAND RESERVOIR FREE PREVIEW (LOW RISK) | 29 ST & FENTON, JEFFERSON COUNTY, CO 80214 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| CDOT WADSWORTH GRADE SEPARATION FREE PREVIEW (LOW RISK) | W 56 AVE AND WADSWORTH BYPASS, JEFFERSON COUNTY, CO 80002 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • JEFFERSON COUNTY, CO (ZIP 00000 Sector) | LOW (13/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • JEFFERSON COUNTY, CO (ZIP 80232 Sector) | LOW (13/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — Jefferson County, Colorado Environmental Risk & Radon
How many EPA-regulated facilities are in Jefferson County, CO?
U.S. EPA records track 40 regulated facilities in Jefferson County, Colorado, including 0 high-risk sites (0.0%), 2 active violators (5.0%), and 1 RCRA hazardous waste handlers (2.5%).
Which ZIP codes in Jefferson County, CO have the most EPA-tracked sites?
Within Jefferson County, regulated facilities are primarily concentrated across ZIP 80007 (169 sites), ZIP 80402 (8 sites), ZIP 80457 (5 sites).
How can I check a specific house or commercial property in Jefferson County, CO?
Enter the exact street address in Jefferson County 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 Jefferson County, CO and how many EPA water permits exist?
In Jefferson County, CO, federal registries track 0 Safe Drinking Water (SDWIS) facilities, 38 Clean Water Act NPDES permits, and 4 impaired water body dischargers.
What is the soil foundation risk and FEMA flood disaster history in Jefferson County, CO?
USDA regional soil screening for Jefferson County indicates a MODERATE shrink-swell foundation signal, and Jefferson County has recorded 2 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.