Bighorn County, Wyoming — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
In Bighorn 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, 1 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).
Bighorn 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📊 Bighorn County, WY Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)Municipalities in Bighorn County
ZIP Codes in Bighorn County
Top EPA Regulated Facilities in Bighorn 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 • UNKNOWN, WY (ZIP 00000 Sector) | MODERATE (31/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — Bighorn County, Wyoming Environmental Due Diligence
How many EPA-regulated environmental sites are in Bighorn County, Wyoming?
Public U.S. EPA records track 1 regulated facilities in Bighorn 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 Bighorn County have the highest regulated facility density?
Within Bighorn County, the highest concentrations of EPA-tracked facilities are located in local postal sectors, spanning municipal corridors including Bighorn.
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Bighorn County?
Across Bighorn 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 Bighorn County, WY?
Geologic indoor air screening places Bighorn 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 Bighorn County, WY?
Federal records track 0 Safe Drinking Water (SDWIS) facilities, 1 Clean Water Act NPDES permits, and 0 impaired water dischargers in Bighorn County, alongside 7 historical FEMA federal disaster declarations (1 flood/storm events).
Does Bighorn County, WY have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Bighorn 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.