Arapahoe County, Wyoming — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Arapahoe County, WY?
In Arapahoe County, Wyoming, public U.S. EPA records track 1 regulated facilities (#54 of 54 in Wyoming), including 0 (0.0%) High-Risk sites and $0 in federal penalties. Countywide due diligence also covers 0 Safe Drinking Water (SDWIS) facilities, 0 Clean Water NPDES permits, 7 FEMA Federal Disaster Declarations (1 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Arapahoe County, WY 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Arapahoe County, WY Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Arapahoe County
ZIP Codes in Arapahoe County
Top EPA Regulated Facilities in Arapahoe County, WY
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 • CENTENNIAL, WY (ZIP 80112 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — Arapahoe County, Wyoming Environmental Due Diligence
How many EPA-regulated environmental sites are in Arapahoe County, Wyoming?
Public U.S. EPA records track 1 regulated facilities in Arapahoe County, Wyoming (ranking #54 of 54 jurisdictions in WY). Of those, 0 (0.0%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 0 (0.0%) have active non-compliance quarters.
Which ZIP codes and cities in Arapahoe County have the highest regulated facility density?
Within Arapahoe County, the highest concentrations of EPA-tracked facilities are located in local postal sectors, spanning municipal corridors including Arapahoe.
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Arapahoe County?
Across Arapahoe County, 0 facilities (0.0% 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 Arapahoe County, WY?
Geologic indoor air screening places Arapahoe 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 Arapahoe County, WY?
Federal records track 0 Safe Drinking Water (SDWIS) facilities, 0 Clean Water Act NPDES permits, and 0 impaired water dischargers in Arapahoe County, alongside 7 historical FEMA federal disaster declarations (1 flood/storm events).
Does Arapahoe County, WY have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Arapahoe County indicates a MODERATE 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.