Montana (MT) — Flood Zone, Tap Water Quality, Soil Foundation, Radon & EPA Hazards
According to public U.S. EPA, USDA, and FEMA registries (current as of November 01, 2026), Montana tracks 21,414 EPA-regulated facilities, including 152 High-Risk sites (0.7%), 704 active violators, and $73,593,258 in federal penalties. Statewide environmental due diligence also covers 4,287 Safe Drinking Water (SDWIS) facilities, 13,048 Clean Water NPDES permits, 22 historical FEMA disaster declarations, USDA Soil Shrink-Swell (MODERATE regional signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Montana (MT) 6-in-1 Flood, Soil Foundation, Tap Water & Radon Screening Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Montana (MT) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)Major Municipal Environmental Directories in Montana
Counties in Montana (104)
Highest-Density ZIP Codes in Montana
| ZIP Code | City | Total Sites | High Risk |
|---|---|---|---|
| 59101 | Billings | 919 | 5 |
| 59404 | Great Falls | 224 | 5 |
| 59602 | Helena | 212 | 5 |
| 59330 | Glendive | 197 | 5 |
| 59701 | Butte | 383 | 4 |
| 59801 | Missoula | 353 | 4 |
| 59301 | Miles City | 222 | 4 |
| 59417 | Browning | 101 | 4 |
| 59901 | Kalispell | 719 | 3 |
| 59102 | Billings | 329 | 3 |
| 59044 | Laurel | 190 | 3 |
| 59457 | Lewistown | 175 | 3 |
| 59912 | Columbia Falls | 129 | 3 |
| 59858 | Philipsburg | 62 | 3 |
| 59412 | Belt | 32 | 3 |
| 59043 | Lame Deer | 32 | 3 |
| 59715 | Bozeman | 720 | 2 |
| 59718 | Bozeman | 568 | 2 |
| 59601 | Helena | 508 | 2 |
| 59714 | Belgrade | 361 | 2 |
| 59405 | Great Falls | 272 | 2 |
| 59106 | Billings | 251 | 2 |
| 59034 | Hardin | 99 | 2 |
| 59011 | Big Timber | 83 | 2 |
| 59634 | Clancy | 53 | 2 |
| 59030 | Gardiner | 44 | 2 |
| 59022 | Crow Agency | 36 | 2 |
| 59006 | Huntley | 14 | 2 |
| 59643 | Toston | 14 | 2 |
| 59450 | Highwood | 13 | 2 |
| 59716 | Big Sky | 504 | 1 |
| 59270 | Sidney | 370 | 1 |
| 59313 | Baker | 237 | 1 |
| 59105 | Billings | 204 | 1 |
| 59401 | Great Falls | 203 | 1 |
| 59802 | Missoula | 168 | 1 |
| 59243 | Lambert | 166 | 1 |
| 59501 | Havre | 155 | 1 |
| 59923 | Libby | 146 | 1 |
| 59860 | Polson | 131 | 1 |
| 59218 | Culbertson | 103 | 1 |
| 59635 | East Helena | 103 | 1 |
| 59427 | Cut Bank | 100 | 1 |
| 59741 | Manhattan | 91 | 1 |
| 59644 | Townsend | 89 | 1 |
| 59752 | Three Forks | 78 | 1 |
| 59255 | Poplar | 64 | 1 |
| 59917 | Eureka | 59 | 1 |
| 59864 | Ronan | 57 | 1 |
| 59833 | Florence | 55 | 1 |
| 59730 | Gallatin Gateway | 54 | 1 |
| 59847 | Lolo | 53 | 1 |
| 59317 | Broadus | 51 | 1 |
| 59353 | Wibaux | 47 | 1 |
| 59829 | Darby | 42 | 1 |
| 59935 | Libby | 41 | 1 |
| 59103 | Billings | 40 | 1 |
| 59036 | Harlowton | 40 | 1 |
| 59648 | Wolf Creek | 37 | 1 |
| 59337 | Jordan | 36 | 1 |
Highest-Scored EPA Enforcement & Contamination Facilities in Montana
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 Score (0–100) | Compliance Status | Enforcement / Unlock |
|---|---|---|---|---|
| 🔒 Locked High-Risk EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • GREAT FALLS, MT (ZIP 59404 Sector) | HIGH (95/100) | Significant Violation (12 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • BILLINGS, MT (ZIP 59101 Sector) | HIGH (92/100) | Significant Violation (12 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • LAUREL, MT (ZIP 59044 Sector) | HIGH (80/100) | Violation Identified (11 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • HELENA, MT (ZIP 59601 Sector) | HIGH (74/100) | Violation Identified (11 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • COLUMBIA FALLS, MT (ZIP 59912 Sector) | HIGH (70/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • BROWNING, MT (ZIP 59417 Sector) | HIGH (69/100) | Significant Violation (12 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • EKALAKA, MT (ZIP 59324 Sector) | HIGH (69/100) | Significant Violation (8 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • BIG SKY, MT (ZIP 59716 Sector) | HIGH (69/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| FEDEX FREIGHT MSL FREE PREVIEW (LOW RISK) | 8190 EL WAY, MISSOULA, MT 59801 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| ANDY HOLLOM FREE PREVIEW (LOW RISK) | PO BOX 983, POPLAR, MT 59255 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| MONTOLA GROWERS INCORPORATED FREE PREVIEW (LOW RISK) | US HWY 2 1 MI EAST OF CULBERTSON, CULBERTSON, MT 59218 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| FRED G MICHELS FREE PREVIEW (LOW RISK) | 5301 SHEPHERD ACTON RD, SHEPHERD, MT 59079 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Montana (MT) Environmental Due Diligence & EPA Dataset
How many EPA-regulated environmental sites and high-risk facilities are in Montana?
Public U.S. EPA records track 21,414 regulated facilities across Montana. Of those, 152 (0.7%) are classified in the High-Risk tier due to formal enforcement actions, penalties, or toxic chemical releases, and 704 (3.3%) have active non-compliance quarters.
Which counties and ZIP codes in Montana have the highest concentration of EPA-regulated sites?
In Montana, the highest regulated facility volumes are concentrated in Gallatin County (2,501 sites), Yellowstone County (2,166 sites), Flathead County (1,499 sites), Missoula County (1,390 sites), with key high-risk postal sectors including ZIP 59101 (Billings, 5 high-risk), ZIP 59404 (Great Falls, 5 high-risk), ZIP 59602 (Helena, 5 high-risk), ZIP 59330 (Glendive, 5 high-risk).
How many drinking water systems (SDWIS), Clean Water permits, and FEMA disaster declarations are recorded in Montana?
Statewide in Montana, federal registries track 4,287 Safe Drinking Water (SDWIS) facilities, 13,048 Clean Water Act NPDES permits, and 3,631 impaired water body (303d) dischargers, alongside 22 historical FEMA disaster declarations.
What is the EPA Radon Zone and USDA Soil Foundation Risk for properties in Montana?
Regional geologic screening places Montana in EPA Zone 1 — High Potential (> 4.0 pCi/L) with USDA regional soil shrink-swell rated MODERATE. Run a street address scan to unlock exact parcel soil LEP %, water table depth, and flood zone.