Sheridan County, Montana — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Sheridan County, MT?
In Sheridan County, Montana, public U.S. EPA records track 148 regulated facilities (#31 of 65 in Montana), including 0 (0.0%) High-Risk sites and $0 in federal penalties. Countywide due diligence also covers 12 Safe Drinking Water (SDWIS) facilities, 71 Clean Water NPDES permits, 1 FEMA Federal Disaster Declarations (1 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Sheridan County, MT 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Sheridan County, MT Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)Municipalities in Sheridan County
Top EPA Regulated Facilities in Sheridan County, MT
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 • PLENTYWOOD, MT (ZIP 59254 Sector) | MODERATE (44/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • PLENTYWOOD, MT (ZIP 59254 Sector) | MODERATE (39/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • ANTELOPE, MT (ZIP 59211 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • MEDICINE LAKE, MT (ZIP 59247 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • RAYMOND, MT (ZIP 59256 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • OUTLOOK, MT (ZIP 59252 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (5 qtrs NC) | 🔒 5 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • OUTLOOK, MT (ZIP 59252 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • DAGMAR, MT (ZIP 59219 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| US FISH AND WILDLIFE SERVICE (MEDICINE LAKE NWR) FREE PREVIEW (LOW RISK) | 223 NORTH SHORE ROAD, MEDICINE LAKE, MT 59247 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| TUFTON 1 FREE PREVIEW (LOW RISK) | 48.963 N / -104.281 W, WESTBY, MT 59275 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| JERDE 3H FREE PREVIEW (LOW RISK) | 48.966 N / -104.198 W, WESTBY, MT 59275 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| HELLEGAARD 9H FREE PREVIEW (LOW RISK) | 48.965 N / -104.200 W, WESTBY, MT 59275 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Sheridan County, Montana Environmental Due Diligence
How many EPA-regulated environmental sites are in Sheridan County, Montana?
Public U.S. EPA records track 148 regulated facilities in Sheridan County, Montana (ranking #31 of 65 jurisdictions in MT). Of those, 0 (0.0%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 3 (2.0%) have active non-compliance quarters.
Which ZIP codes and cities in Sheridan County have the highest regulated facility density?
Within Sheridan County, the highest concentrations of EPA-tracked facilities are located in ZIP 59275 (Westby, 37 sites), ZIP 59254 (Plentywood, 36 sites), ZIP 59219 (Dagmar, 17 sites), spanning municipal corridors including Westby (38 sites), Unk (37 sites), Plentywood (35 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Sheridan County?
Across Sheridan County, 60 facilities (40.5% 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 Sheridan County, MT?
Geologic indoor air screening places Sheridan 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 Sheridan County, MT?
Federal records track 12 Safe Drinking Water (SDWIS) facilities, 71 Clean Water Act NPDES permits, and 18 impaired water dischargers in Sheridan County, alongside 1 historical FEMA federal disaster declarations (1 flood/storm events).
Does Sheridan County, MT have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Sheridan 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.