Niobrara County, Wyoming — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Niobrara County, WY?
In Niobrara County, Wyoming, public U.S. EPA records track 111 regulated facilities (#22 of 40 in Wyoming), including 3 (2.7%) High-Risk sites and $0 in federal penalties. Countywide due diligence also covers 6 Safe Drinking Water (SDWIS) facilities, 26 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).
Niobrara 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📊 Niobrara County, WY Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Niobrara County
ZIP Codes in Niobrara County
Top EPA Regulated Facilities in Niobrara 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 • LANCE CREEK, WY (ZIP 82222 Sector) | HIGH (64/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 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 #3 | 🔒 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 #4 | 🔒 Exact Street & Parcel Redacted • (UNKNOWN CITY), WY (ZIP 00000 Sector) | MODERATE (32/100) | Violation Identified (6 qtrs NC) | 🔒 6 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • UNKNOWN, WY (ZIP 00000 Sector) | MODERATE (31/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • UNKNOWN, WY (ZIP 00000 Sector) | MODERATE (31/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • MANVILLE, WY (ZIP 82227 Sector) | MODERATE (30/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • UNKNOWN, WY (ZIP 00000 Sector) | MODERATE (30/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| PANENERGY BUCK CREEK STATION FREE PREVIEW (LOW RISK) | HWY 85 30 MILES N OF LUSK, LUSK, WY 82225 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| MARATHON OIL CO. LANCE CREEK FIELD FREE PREVIEW (LOW RISK) | 3 MI WEST OF LANCE CREEK ON, LANCE CREEK, WY 82222 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| BUTTE PIPE LINE COMPANY FREE PREVIEW (LOW RISK) | 10 MI S. OF MULE CREEK HWY 85, LUSK, WY 82225 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| WYOMING PIPELINE BUCK CREEK STATION FREE PREVIEW (LOW RISK) | 660 WASSERBERGER ROAD, NA, WY 82701 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Niobrara County, Wyoming Environmental Due Diligence
How many EPA-regulated environmental sites are in Niobrara County, Wyoming?
Public U.S. EPA records track 111 regulated facilities in Niobrara County, Wyoming (ranking #22 of 40 jurisdictions in WY). Of those, 3 (2.7%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 13 (11.7%) have active non-compliance quarters.
Which ZIP codes and cities in Niobrara County have the highest regulated facility density?
Within Niobrara County, the highest concentrations of EPA-tracked facilities are located in ZIP 80227 (Sw Of Redbird, 88 sites), ZIP 82225 (Node, 50 sites), ZIP 82227 (Manville, 3 sites), spanning municipal corridors including Lusk (35 sites), Sw Of Redbird (8 sites), North Of Lusk (7 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Niobrara County?
Across Niobrara County, 40 facilities (36.0% 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 Niobrara County, WY?
Geologic indoor air screening places Niobrara 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 Niobrara County, WY?
Federal records track 6 Safe Drinking Water (SDWIS) facilities, 26 Clean Water Act NPDES permits, and 0 impaired water dischargers in Niobrara County, alongside 7 historical FEMA federal disaster declarations (1 flood/storm events).
Does Niobrara County, WY have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Niobrara 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.