Summit County, Colorado — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Summit County, CO?
In Summit County, Colorado, public U.S. EPA records track 513 regulated facilities (#24 of 108 in Colorado), including 2 (0.4%) High-Risk sites and $0 in federal penalties. Countywide due diligence also covers 55 Safe Drinking Water (SDWIS) facilities, 348 Clean Water NPDES permits, 14 FEMA Federal Disaster Declarations (1 flood/storm), USDA Soil Foundation Shrink-Swell (LOW signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Summit 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📊 Summit County, CO Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)Municipalities in Summit County
ZIP Codes in Summit County
Top EPA Regulated Facilities in Summit 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 • SUMMIT COUNTY, CO (ZIP 80443 Sector) | HIGH (64/100) | Significant Violation (5 qtrs NC) | 🔒 5 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • SILVERTHORNE, CO (ZIP 80498 Sector) | HIGH (64/100) | Significant Violation (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • KEYSTONE, CO (ZIP 80435 Sector) | HIGH (64/100) | Significant Violation (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • SILVERTHORNE, CO (ZIP 80498 Sector) | MODERATE (45/100) | Violation Identified (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • FRISCO, CO (ZIP 80443 Sector) | MODERATE (40/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • BRECKENRIDGE, CO (ZIP 80424 Sector) | MODERATE (39/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • SUMMIT COUNTY, CO (ZIP 80424 Sector) | MODERATE (39/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • SILVERTHORNE, CO (ZIP 80498 Sector) | MODERATE (38/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| JIM HUDSON CHERVROLET OLDS FREE PREVIEW (LOW RISK) | 441 BLUE RIVER PARKWAY, SILVERTHORNE, CO 80498 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| SUMMIT FIRE AUTHORITY FREE PREVIEW (LOW RISK) | 0225 COUNTY SHOPS RD, FRISCO, CO 80443 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| BRECKENRIDGE DERMATOLOGY FREE PREVIEW (LOW RISK) | 984 N 10 MILE DR #103, FRISCO, CO 80443 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| COLORADO DEPT OF TRANS - A BASIN FREE PREVIEW (LOW RISK) | SH 6 MP 221.91, DILLON, CO 80435 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Summit County, Colorado Environmental Due Diligence
How many EPA-regulated environmental sites are in Summit County, Colorado?
Public U.S. EPA records track 513 regulated facilities in Summit County, Colorado (ranking #24 of 108 jurisdictions in CO). Of those, 2 (0.4%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 19 (3.7%) have active non-compliance quarters.
Which ZIP codes and cities in Summit County have the highest regulated facility density?
Within Summit County, the highest concentrations of EPA-tracked facilities are located in ZIP 80498 (Na, 113 sites), ZIP 80435 (Keystone, 103 sites), ZIP 80497 (Silverthorne, 13 sites), spanning municipal corridors including Silverthorne (125 sites), Dillon (62 sites), Keystone (38 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Summit County?
Across Summit County, 71 facilities (13.8% 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 Summit County, CO?
Geologic indoor air screening places Summit 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 Summit County, CO?
Federal records track 55 Safe Drinking Water (SDWIS) facilities, 348 Clean Water Act NPDES permits, and 7 impaired water dischargers in Summit County, alongside 14 historical FEMA federal disaster declarations (1 flood/storm events).
Does Summit County, CO have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Summit County indicates a LOW 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.