Sweetwater County, Wyoming — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Sweetwater County, WY?
In Sweetwater County, Wyoming, public U.S. EPA records track 668 regulated facilities (#3 of 40 in Wyoming), including 10 (1.5%) High-Risk sites and $5,523,900 in federal penalties. Countywide due diligence also covers 49 Safe Drinking Water (SDWIS) facilities, 164 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).
Sweetwater 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📊 Sweetwater County, WY Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Sweetwater County
Top EPA Regulated Facilities in Sweetwater 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 • POINT OF ROCKS, WY (ZIP 82942 Sector) | HIGH (81/100) | Significant Violation (12 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • SWEETWATER COUNTY, WY (ZIP 82935 Sector) | HIGH (70/100) | Significant Violation (12 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • ROCK SPRINGS, WY (ZIP 82901 Sector) | HIGH (64/100) | Significant Violation (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • (UNKNOWN CITY), WY (ZIP 00000 Sector) | MODERATE (40/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • ROCK SPRINGS, WY (ZIP 82901 Sector) | MODERATE (40/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • GREEN RIVER, WY (ZIP 82935 Sector) | MODERATE (39/100) | Resolved / Historical Non-Compliance (7 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • GREEN RIVER, WY (ZIP 82935 Sector) | MODERATE (39/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • ROCK SPRINGS, WY (ZIP 82901 Sector) | MODERATE (36/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| MARATHON -TIERNEY FREE PREVIEW (LOW RISK) | 8 MILES S. OF WAMSUTTER, WY, WAMSUTTER, WY 82336 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| EFFECTS OF WYOMING FREE PREVIEW (LOW RISK) | 1508 ELK STREET, ROCK SPRINGS, WY 82901 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| BENCHMARK ENERGY PRODUCTS LLC FREE PREVIEW (LOW RISK) | 252 INDUSTRIAL DR, ROCK SPRINGS, WY 82901 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| BAXTER COMPRESSOR STATION FREE PREVIEW (LOW RISK) | S2, T19N, R104W, ROCK SPRINGS, WY 82091 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Sweetwater County, Wyoming Environmental Due Diligence
How many EPA-regulated environmental sites are in Sweetwater County, Wyoming?
Public U.S. EPA records track 668 regulated facilities in Sweetwater County, Wyoming (ranking #3 of 40 jurisdictions in WY). Of those, 10 (1.5%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 24 (3.6%) have active non-compliance quarters.
Which ZIP codes and cities in Sweetwater County have the highest regulated facility density?
Within Sweetwater County, the highest concentrations of EPA-tracked facilities are located in ZIP 82901 (Rock Springs, 321 sites), ZIP 82935 (Green River, 90 sites), ZIP 82336 (Wamsutter, 66 sites), spanning municipal corridors including Rock Springs (358 sites), Green River (86 sites), Wamsutter (64 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Sweetwater County?
Across Sweetwater County, 361 facilities (54.0% 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 Sweetwater County, WY?
Geologic indoor air screening places Sweetwater 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 Sweetwater County, WY?
Federal records track 49 Safe Drinking Water (SDWIS) facilities, 164 Clean Water Act NPDES permits, and 50 impaired water dischargers in Sweetwater County, alongside 7 historical FEMA federal disaster declarations (1 flood/storm events).
Does Sweetwater County, WY have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Sweetwater 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.