Lake County, Montana — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Lake County, MT?
In Lake County, Montana, public U.S. EPA records track 69 regulated facilities (#48 of 65 in Montana), including 0 (0.0%) High-Risk sites and $1,500 in federal penalties. Countywide due diligence also covers 5 Safe Drinking Water (SDWIS) facilities, 60 Clean Water NPDES permits, 1 FEMA Federal Disaster Declarations (0 flood/storm), USDA Soil Foundation Shrink-Swell (LOW signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Lake 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📊 Lake County, MT Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Lake County
ZIP Codes in Lake County
Top EPA Regulated Facilities in Lake 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 High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • RONAN, MT (ZIP 59864 Sector) | HIGH (64/100) | Significant Violation (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • RONAN, MT (ZIP 59864 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • PABLO, MT (ZIP 59855 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (6 qtrs NC) | 🔒 6 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • PABLO, MT (ZIP 59855 Sector) | MODERATE (30/100) | Violation Identified (7 qtrs NC) | 🔒 7 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • PABLO, MT (ZIP 59855 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • EAST POLSON, MT (ZIP 59860 Sector) | MODERATE (20/100) | Resolved / Historical Non-Compliance (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| DCI POLSON, MT FREE PREVIEW (LOW RISK) | 303 RIDGEWATER DRIVE, POLSON, MT 59860 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| ACCESS MONTANA LAST MILE FTTP FREE PREVIEW (LOW RISK) | 35932 ROUND BUTTE ROAD, RONAN, MT 59864 | LOW (13/100) | No Violation Identified (0 qtrs NC) | $0 |
| CSKT NRD/DEWR NEW OFFICE BUILDING FREE PREVIEW (LOW RISK) | 721 3RD AVE NW, RONAN, MT 59864 | LOW (13/100) | No Violation Identified (0 qtrs NC) | $0 |
| SF 179 D1 SAFETY SIGNS GUARDRAIL HSIP STWD(647) CN9635000 FREE PREVIEW (LOW RISK) | MT HWY 28 RP 13.8 TO RP 14.9, HOT SPRINGS, MT 59845 | LOW (13/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • DAYTON, MT (ZIP 59914 Sector) | LOW (13/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • RONAN, MT (ZIP 59864 Sector) | LOW (13/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — Lake County, Montana Environmental Due Diligence
How many EPA-regulated environmental sites are in Lake County County, Montana?
Public U.S. EPA records track 69 regulated facilities in Lake County County, Montana (ranking #48 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 2 (2.9%) have active non-compliance quarters.
Which ZIP codes and cities in Lake County County have the highest regulated facility density?
Within Lake County County, the highest concentrations of EPA-tracked facilities are located in ZIP 59821 (Arlee, 22 sites), ZIP 59865 (St. Ignatius, 21 sites), ZIP 59910 (Big Arm, 9 sites), spanning municipal corridors including Arlee (22 sites), Big Arm (9 sites), East Polson (2 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Lake County County?
Across Lake County County, 0 facilities (0.0% 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 Lake County County, MT?
Geologic indoor air screening places Lake 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 Lake County County, MT?
Federal records track 5 Safe Drinking Water (SDWIS) facilities, 60 Clean Water Act NPDES permits, and 1 impaired water dischargers in Lake County County, alongside 1 historical FEMA federal disaster declarations (0 flood/storm events).
Does Lake County, MT have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Lake County indicates a LOW 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.