Douglas County, Colorado — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Douglas County, CO?
In Douglas County, Colorado, public U.S. EPA records track 2,358 regulated facilities (#10 of 108 in Colorado), including 29 (1.2%) High-Risk sites and $934,945 in federal penalties. Countywide due diligence also covers 77 Safe Drinking Water (SDWIS) facilities, 1,733 Clean Water NPDES permits, 1 FEMA Federal Disaster Declarations (1 flood/storm), USDA Soil Foundation Shrink-Swell (LOW signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Douglas 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📊 Douglas County, CO Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Douglas County
ZIP Codes in Douglas County
Top EPA Regulated Facilities in Douglas 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 High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • DOVE VALLEY AREA, CO (ZIP 80112 Sector) | HIGH (75/100) | Violation (10 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • SEDALIA, CO (ZIP 80135 Sector) | HIGH (65/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • CITY OF CASTLE PINES, CO (ZIP 80111 Sector) | HIGH (64/100) | Violation Identified (1 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • LARKSPUR, CO (ZIP 80118 Sector) | HIGH (64/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • DOUGLAS COUNTY, CO (ZIP 80125 Sector) | HIGH (64/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • LITTLETON, CO (ZIP 80125 Sector) | HIGH (64/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • LARKSPUR, CO (ZIP 80118 Sector) | HIGH (64/100) | Significant Violation (6 qtrs NC) | 🔒 6 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • DOUGLAS COUNTY, CO (ZIP 80125 Sector) | HIGH (64/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| GRACE DAVISON FREE PREVIEW (LOW RISK) | 8101 MIDWAY DRIVE, LITTLETON, CO 80125 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| CALIBER BODYWORKS - CENTENNIAL - #0860 FREE PREVIEW (LOW RISK) | 8420 S COLORADO BLVD, HIGHLANDS RANCH, CO 80126 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| TRICON KENT CO FREE PREVIEW (LOW RISK) | 2931 N HWY 85, CASTLE ROCK, CO 80104 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| COLORS FINISHING FREE PREVIEW (LOW RISK) | 8480 UPLAND DR, CENTENNIAL, CO 80112 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Douglas County, Colorado Environmental Due Diligence
How many EPA-regulated environmental sites are in Douglas County, Colorado?
Public U.S. EPA records track 2,358 regulated facilities in Douglas County, Colorado (ranking #10 of 108 jurisdictions in CO). Of those, 29 (1.2%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 63 (2.7%) have active non-compliance quarters.
Which ZIP codes and cities in Douglas County have the highest regulated facility density?
Within Douglas County, the highest concentrations of EPA-tracked facilities are located in ZIP 80134 (Lone Tree, 572 sites), ZIP 80104 (Castle Rock, 321 sites), ZIP 80125 (Littleton, 276 sites), spanning municipal corridors including Littleton (1,065 sites), Parker (654 sites), Castle Rock (593 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Douglas County?
Across Douglas County, 404 facilities (17.1% 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 Douglas County, CO?
Geologic indoor air screening places Douglas 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 Douglas County, CO?
Federal records track 77 Safe Drinking Water (SDWIS) facilities, 1,733 Clean Water Act NPDES permits, and 111 impaired water dischargers in Douglas County, alongside 1 historical FEMA federal disaster declarations (1 flood/storm events).
Does Douglas County, CO have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Douglas County indicates a LOW shrink-swell risk signal and steel pipe corrosivity rated High. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.