Unincorporated Jefferson County, Colorado — Property Hazard, Flood Zone, Soil, Water & Market Guide
What Are the Major Property, Flood, Soil & Environmental Risks in Unincorporated Jefferson County, CO?
Public U.S. EPA records track 3 regulated facilities in Unincorporated Jefferson County, Colorado (Jefferson County), including 0 High-Risk sites (0.0%) and 1 active violators. In addition to industrial waste, Unincorporated Jefferson County properties are screened for Tap Water & Watershed Permits (3 systems), USDA Soil Foundation Shrink-Swell (MODERATE signal), 2 County FEMA Disaster Declarations, and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Unincorporated 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📊 Unincorporated Jefferson County, CO Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)ZIP Codes in Unincorporated Jefferson County, CO
Highest-Scored EPA Regulated Facilities in Unincorporated 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 • UNINCORPORATED JEFFERSON COUNTY, CO (ZIP 80465 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| GREEN GABLES FILING 4 TOWNHOMES FREE PREVIEW (LOW RISK) | S. UPHAM STREET AND W. EVANS AVENUE, UNINCORPORATED JEFFERSON COUNTY, CO 80232 | LOW (12/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Unincorporated Jefferson County, Colorado Environmental Risk & Radon
How many EPA-regulated facilities are in Unincorporated Jefferson County, CO?
U.S. EPA records track 3 regulated facilities in Unincorporated Jefferson County, Colorado, including 0 high-risk sites (0.0%), 1 active violators (33.3%), and 0 RCRA hazardous waste handlers (0.0%).
Which ZIP codes in Unincorporated Jefferson County, CO have the most EPA-tracked sites?
Within Unincorporated Jefferson County, regulated facilities are primarily concentrated across local postal codes.
How can I check a specific house or commercial property in Unincorporated Jefferson County, CO?
Enter the exact street address in Unincorporated 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 Unincorporated Jefferson County, CO and how many EPA water permits exist?
In Unincorporated Jefferson County, CO, federal registries track 0 Safe Drinking Water (SDWIS) facilities, 3 Clean Water Act NPDES permits, and 0 impaired water body dischargers.
What is the soil foundation risk and FEMA flood disaster history in Unincorporated Jefferson County, CO?
USDA regional soil screening for Unincorporated 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.