Sanders County, Montana — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Sanders County, MT?
In Sanders County, Montana, public U.S. EPA records track 8 regulated facilities (#66 of 66 in Montana), including 0 (0.0%) High-Risk sites and $0 in federal penalties. Countywide due diligence also covers 0 Safe Drinking Water (SDWIS) facilities, 7 Clean Water NPDES permits, 3 FEMA Federal Disaster Declarations (1 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Sanders 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📊 Sanders County, MT Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Sanders County
ZIP Codes in Sanders County
Top EPA Regulated Facilities in Sanders 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 |
|---|---|---|---|---|
| MT-200 BRIDGE PRES MP 17 STRUCTURE ID 05270 FREE PREVIEW (LOW RISK) | MT 200, NOXON, MT 59853 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| DIXON SIDING EXTENSION PROJECT FREE PREVIEW (LOW RISK) | MONTANA HIGHWAY 200 AND 2ND ST (OLD SLOANS ROAD), DIXON, MT 59831 | LOW (12/100) | No Violation Identified (0 qtrs NC) | $0 |
| JOCKO RIVER RESTORATION PROJECT - JOCKO BISON RANGE FREE PREVIEW (LOW RISK) | BISON RANGE REACH OF THE JOCKO RIVER, DIXON, MT 59840 | LOW (12/100) | No Violation Identified (0 qtrs NC) | $0 |
| SF 179 D1 SFTY SIGNS GUARDRAIL SITE 2 FREE PREVIEW (LOW RISK) | STATE PRIMARY ROUTE 36/MT 28, HOT SPRINGS, MT 59845 | LOW (12/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • HOT SPRINGS, MT (ZIP 59845 Sector) | LOW (12/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • HOT SPRONGS, MT (ZIP 59845 Sector) | LOW (11/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • PERMA, MT (ZIP 59859 Sector) | LOW (11/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — Sanders County, Montana Environmental Due Diligence
How many EPA-regulated environmental sites are in Sanders County County, Montana?
Public U.S. EPA records track 8 regulated facilities in Sanders County County, Montana (ranking #66 of 66 jurisdictions in MT). 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 Sanders County County have the highest regulated facility density?
Within Sanders County County, the highest concentrations of EPA-tracked facilities are located in ZIP 59859 (Perma, 29 sites), ZIP 59831 (Dixon, 3 sites), spanning municipal corridors including Dixon (4 sites), Perma (1 sites), Hot Sprongs (1 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Sanders County County?
Across Sanders County County, 1 facilities (12.5% 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 Sanders County County, MT?
Geologic indoor air screening places Sanders County 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 Sanders County County, MT?
Federal records track 0 Safe Drinking Water (SDWIS) facilities, 7 Clean Water Act NPDES permits, and 0 impaired water dischargers in Sanders County County, alongside 3 historical FEMA federal disaster declarations (1 flood/storm events).
Does Sanders County, MT have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Sanders County indicates a MODERATE shrink-swell risk signal and steel pipe corrosivity rated Low. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.