Fremont County, Wyoming — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Fremont County, WY?
In Fremont County, Wyoming, public U.S. EPA records track 512 regulated facilities (#5 of 40 in Wyoming), including 13 (2.5%) High-Risk sites and $5,333,184 in federal penalties. Countywide due diligence also covers 69 Safe Drinking Water (SDWIS) facilities, 130 Clean Water NPDES permits, 7 FEMA Federal Disaster Declarations (1 flood/storm), USDA Soil Foundation Shrink-Swell (LOW signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Fremont 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📊 Fremont County, WY Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Fremont County
ZIP Codes in Fremont County
Top EPA Regulated Facilities in Fremont 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 High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • LYSITE, WY (ZIP 82642 Sector) | HIGH (64/100) | Significant Violation (10 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • DUBOIS, WY (ZIP 82513 Sector) | HIGH (64/100) | Significant Violation (7 qtrs NC) | 🔒 7 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • ETHETE, WY (ZIP 82520 Sector) | HIGH (64/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • LANDER, WY (ZIP 82520 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 • (UNKNOWN CITY), WY (ZIP 00000 Sector) | HIGH (64/100) | Significant Violation (7 qtrs NC) | 🔒 7 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • LANDER, WY (ZIP 82520 Sector) | HIGH (64/100) | Significant Violation (6 qtrs NC) | 🔒 6 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • RIVERTON, WY (ZIP 82501 Sector) | HIGH (64/100) | Significant Violation (3 qtrs NC) | 🔒 3 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • LANDER, WY (ZIP 82520 Sector) | HIGH (64/100) | Significant Violation (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| FULL THROTTLE POWERSPORTS FREE PREVIEW (LOW RISK) | 1416 WARM SPRINGS, DUBOIS, WY 82513 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| AMOCO PIPELINE PILOT BUTTE FREE PREVIEW (LOW RISK) | HWY 26 30 MI WEST OF, RIVERTON, WY 82501 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| WOLD OIL PROPERTIES UNIT #3 FREE PREVIEW (LOW RISK) | LT42DG51'48, RIVERTON, WY 82501 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| EXPRESSWAY LUBE FREE PREVIEW (LOW RISK) | 8126 HWY 789, LANDER, WY 82520 | LOW (15/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Fremont County, Wyoming Environmental Due Diligence
How many EPA-regulated environmental sites are in Fremont County, Wyoming?
Public U.S. EPA records track 512 regulated facilities in Fremont County, Wyoming (ranking #5 of 40 jurisdictions in WY). Of those, 13 (2.5%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 34 (6.6%) have active non-compliance quarters.
Which ZIP codes and cities in Fremont County have the highest regulated facility density?
Within Fremont County, the highest concentrations of EPA-tracked facilities are located in ZIP 82501 (Riverton, 201 sites), ZIP 82520 (Lander, 123 sites), ZIP 82513 (Dubois, 39 sites), spanning municipal corridors including Riverton (199 sites), Lander (97 sites), Dubois (39 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Fremont County?
Across Fremont County, 241 facilities (47.1% 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 Fremont County, WY?
Geologic indoor air screening places Fremont 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 Fremont County, WY?
Federal records track 69 Safe Drinking Water (SDWIS) facilities, 130 Clean Water Act NPDES permits, and 4 impaired water dischargers in Fremont County, alongside 7 historical FEMA federal disaster declarations (1 flood/storm events).
Does Fremont County, WY have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Fremont 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.