Jefferson Cnty, Colorado — Property Hazard, Flood Zone, Soil, Water & Market Guide
What Are the Major Property, Flood, Soil & Environmental Risks in Jefferson Cnty, CO?
Public U.S. EPA records track 3 regulated facilities in Jefferson Cnty, Colorado (Jefferson County), including 0 High-Risk sites (0.0%) and 0 active violators. In addition to industrial waste, Jefferson Cnty properties are screened for Tap Water & Watershed Permits (2 systems), USDA Soil Foundation Shrink-Swell (MODERATE signal), 2 County FEMA Disaster Declarations, and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Jefferson Cnty, 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 Cnty, CO Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)ZIP Codes in Jefferson Cnty, CO
Highest-Scored EPA Regulated Facilities in Jefferson Cnty, 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 |
|---|---|---|---|---|
| ARVADA STREETS ROW FREE PREVIEW (LOW RISK) | VARIOUS LOCATIONS, JEFFERSON CNTY, CO 80419 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| JEFFERSON CNTY BOARD OF CNTY COMMISSINRS FREE PREVIEW (LOW RISK) | CO HWY 285 & JEF HWY 126, JEFFERSON CNTY, CO 00000 | LOW (13/100) | No Violation Identified (0 qtrs NC) | $0 |
| COUNTY WIDE INSPECTION AND SUPRESSION LEAK TESTS FREE PREVIEW (LOW RISK) | NO ADDRESS GIVEN, JEFFERSON CNTY, CO 00000 | LOW (11/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Jefferson Cnty, Colorado Environmental Risk & Radon
How many EPA-regulated facilities are in Jefferson Cnty, CO?
U.S. EPA records track 3 regulated facilities in Jefferson Cnty, Colorado, including 0 high-risk sites (0.0%), 0 active violators (0.0%), and 0 RCRA hazardous waste handlers (0.0%).
Which ZIP codes in Jefferson Cnty, CO have the most EPA-tracked sites?
Within Jefferson Cnty, regulated facilities are primarily concentrated across local postal codes.
How can I check a specific house or commercial property in Jefferson Cnty, CO?
Enter the exact street address in Jefferson Cnty 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 Cnty, CO and how many EPA water permits exist?
In Jefferson Cnty, CO, federal registries track 0 Safe Drinking Water (SDWIS) facilities, 2 Clean Water Act NPDES permits, and 1 impaired water body dischargers.
What is the soil foundation risk and FEMA flood disaster history in Jefferson Cnty, CO?
USDA regional soil screening for Jefferson Cnty 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.