PUBLIC DATA SOURCE: U.S. EPA ECHO, FRS, RCRA, TRI & FEMA NFHL 3,230,651 Regulated Sites • All 50 States • Data as of November 01, 2026
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6-IN-1 STATE ENVIRONMENTAL, WATER, SOIL & FLOOD HUB • MT

Montana (MT) — Flood Zone, Tap Water Quality, Soil Foundation, Radon & EPA Hazards

Scan an Address in Montana →

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).

Total EPA Sites
21,414
High-Risk Sites (0.7%)
152
Active Violators (3.3%)
704
Drinking & Clean Water
17,335
Federal Penalties
$73,593,258

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
🌊 Flood Zone & FEMA Disaster History
22 Statewide FEMA Declarations (8 Flood/Storm)
🔒 Exact Parcel Flood Zone (AE / VE / X) & SFHA Mandatory Insurance Status Locked
Check Property Flood Zone →
🪨 USDA Soil, Foundation & Water Table
Regional Shrink-Swell Signal: MODERATE • Pipe Corrosion: Moderate
🔒 Exact USDA Soil Series, Linear Extensibility (LEP %) & Water Table Depth (ft) Locked
Unlock Parcel Soil Test →
🚰 Tap Water (SDWIS) & PFAS Check
4,287 SDWIS Systems • 13,048 NPDES Permits
🔒 3,631 Impaired Water (303d) & 1,754 Violation Dockets Locked
Unlock Utility Violation Log →
☢️ EPA Radon & Karst Sinkhole
EPA Zone 1 — High Potential (> 4.0 pCi/L)
Low / Non-Karst Bedrock Formation
🔒 0.25-Mi Vapor Intrusion Buffer Locked

📊 Montana (MT) Statistical Risk Graphs & Multi-Hazard Telemetry

SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)
1. Regulatory & Water Program Composition
RCRA Hazardous Waste Generators 3,445 (16.1%)
Clean Water (NPDES) & Drinking Water (SDWIS) 17,335 (81.0%)
Active EPA Non-Compliance Dockets 704 (3.3%)
High-Risk Enforcement Facilities 152 (0.7%)
2. FEMA NRI & USGS Hazard Index (1–10) Relatively Moderate (81.0/100)
🌊 Flood Exposure 6/10 • Relatively Low
🔥 Wildfire Hazard 9/10 • Relatively Moderate
☀️ Extreme Heat 3/10 • Very Low
🌪️ Severe Wind / Storm 4/10 • Relatively Low
🫨 USGS Earthquake 9/10 • Relatively Moderate
3. High-Risk Density vs. U.S. Baseline
Montana (MT) High-Risk Rate 0.7%
U.S. National EPA Baseline 3.6%
Why Scan a Specific Street Address? Public state pages show aggregate counts only. A paid property report unlocks exact facility names & distances in feet, USDA soil LEP % & water table depth, utility water violations, and parcel FEMA flood zone.
🔒 Run 1-Mile Property Address Scan →

Major Municipal Environmental Directories in Montana

Billings
1,872 sites
13 High
Bozeman
1,331 sites
4 High
Missoula
1,030 sites
5 High
Great Falls
818 sites
7 High
Helena
782 sites
7 High
Kalispell
748 sites
3 High
Big Sky
502 sites
1 High
Butte
420 sites
5 High
Sidney
371 sites
1 High
Belgrade
359 sites
2 High
Baker
234 sites
1 High
Whitefish
223 sites
0 High
Miles City
219 sites
4 High
Glendive
201 sites
5 High
Livingston
196 sites
0 High
Laurel
188 sites
3 High
Lewistown
174 sites
3 High
Hamilton
172 sites
0 High
Havre
156 sites
1 High
Libby
149 sites
1 High
Polson
129 sites
1 High
Dillon
129 sites
0 High
Columbia Falls
129 sites
3 High
Anaconda
120 sites
0 High
Cut Bank
104 sites
1 High
East Helena
104 sites
1 High
Hardin
102 sites
2 High
Culbertson
99 sites
1 High
Wolf Point
99 sites
0 High
Bigfork
98 sites
0 High
Shelby
95 sites
0 High
Glasgow
93 sites
0 High
Stevensville
90 sites
1 High
Browning
89 sites
4 High
Townsend
89 sites
1 High
Manhattan
88 sites
1 High
Red Lodge
88 sites
0 High
Fairview
85 sites
0 High
Big Timber
84 sites
2 High
Bainville
82 sites
0 High
Lambert
82 sites
0 High
West Yellowstone
79 sites
1 High
Deer Lodge
72 sites
0 High
Whitehall
68 sites
0 High
Three Forks
68 sites
0 High
Decker
66 sites
0 High
Poplar
64 sites
1 High
Columbus
64 sites
0 High
Roundup
63 sites
0 High
Eureka
60 sites
1 High
Ennis
60 sites
0 High
Philipsburg
58 sites
3 High
Ronan
57 sites
1 High
Victor
57 sites
0 High
Florence
55 sites
1 High
Forsyth
55 sites
0 High
Conrad
55 sites
0 High
Corvallis
52 sites
0 High
Chinook
51 sites
0 High
Lolo
51 sites
1 High

Counties in Montana (104)

County Total Sites High Risk RCRA Waste
Gallatin County 2,501 12 308
Yellowstone County 2,166 20 619
Flathead County 1,499 7 232
Missoula County 1,390 6 293
Lewis And Clark County 1,082 12 253
Cascade County 1,046 11 267
Richland County 659 1 105
Ravalli County 542 3 88
Silver Bow County 456 4 121
Park County 364 2 60
Roosevelt County 359 2 71
Madison County 325 1 14
Fergus County 322 5 63
Lincoln County 321 3 45
Lake County 291 3 51
Big Horn County 267 4 46
Fallon County 266 1 31
Carbon County 249 2 24
Dawson County 247 5 64
Custer County 241 4 52
Jefferson County 224 2 23
Rosebud County 223 1 32
Beaverhead County 222 1 36
Glacier County 219 5 56
Hill County 209 1 58
Toole County 206 1 34
Valley County 201 1 34
Stillwater County 179 2 18
Sanders County 177 0 17
Powell County 171 0 26
Sheridan County 148 0 60
Deer Lodge County 146 0 25
Phillips County 136 1 14
Broadwater County 134 3 23
Teton County 125 1 15
Mineral County 122 0 23
Granite County 119 4 11
Sweet Grass County 117 2 12
Pondera County 115 0 23
Blaine County 106 0 9
Musselshell County 98 0 8
Chouteau County 96 2 15
Meagher County 87 0 6
Wheatland County 85 1 6
Judith Basin County 80 1 3
Powder River County 77 1 9
Carter County 73 2 3
Lake County 69 0 0
Mccone County 68 0 5
Prairie County 68 1 5
Liberty County 54 0 8
Treasure County 52 0 3
Daniels County 51 0 3
Wibaux County 50 1 2
Garfield County 49 1 3
Glacier County 45 1 0
Big Horn County 44 2 0
Golden Valley County 42 0 3
Roosevelt County 41 0 2
Petroleum County 24 1 0
Yellowstone County 20 0 0
Missoula County 16 0 0
Rosebud County 15 2 0
Gallatin County 14 0 1
Valley County 13 0 0
Blaine County 8 0 0
Chouteau County 8 0 0
Sanders County 8 0 1
Cascade County 6 0 0
Flathead County 6 0 0
Lewis And Clark County 6 0 0
Silverbow County 6 0 0
Portable Source County 5 0 1
Silver Bow County 5 0 0
Dawson County 4 0 0
Mccone County 4 0 0
Pondera County 4 0 0
Richland County 4 0 0
Sheridan County 4 0 0
Toole County 4 0 0
Deer Lodge County 3 0 0
Fergus County 3 0 0
Custer County 2 0 0
Daniels County 2 0 0
Fallon County 2 0 0
Lincoln County 2 0 0
Madison County 2 0 0
Phillips County 2 0 0
Teton County 2 0 0
Unk County 2 0 1
Beaverhead County 1 0 0
Broadwater County 1 0 0
Carbon County 1 0 0
Golden Valley County 1 0 0
Granite County 1 0 0
Hill County 1 0 0
Hillsborough County 1 0 0
Mc Cone County 1 0 0
Meagher County 1 0 0
Mineral County 1 0 0
Ravalli County 1 0 0
Sevier County 1 0 0
Washington County 1 0 0
Westchester County 1 0 0

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).

Unlock Full Unredacted Dossier →
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
🔒 + 21,402 Additional Regulated & Enforcement Records in Montana Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

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.