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 MUNICIPAL ENVIRONMENTAL, WATER, SOIL & FLOOD HUB • UNK, MT

Unk, Montana — Flood Zone, Tap Water Quality, Soil Foundation, Radon & EPA Hazards

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Public U.S. EPA records track 37 regulated facilities in Unk, Montana (Sheridan County), including 1 High-Risk sites (2.7%) and 2 active violators. In addition to industrial waste, Unk properties are screened for Tap Water & Watershed Permits (32 systems), USDA Soil Foundation Shrink-Swell (MODERATE signal), 1 County FEMA Disaster Declarations, and EPA Zone 1 — High Potential (> 4.0 pCi/L).

Total EPA Sites
37
High-Risk (2.7% vs 0.7% State)
1
Active Violators (5.4%)
2
Drinking & Clean Water
32
Federal Penalties
$0

Unk, MT 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals

🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan
🌊 Flood Zone & FEMA Disaster History
Sheridan County: 1 FEMA Declarations (1 Flood/Storm)
🔒 Exact Parcel Flood Zone (AE / VE / X) & SFHA Insurance Status Locked
Check Property Flood Zone →
🪨 USDA Soil, Foundation & Water Table
Shrink-Swell Risk 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
27 SDWIS Systems • 5 NPDES Permits
🔒 1 Impaired Water (303d) & 4 Violation Dockets Locked
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☢️ EPA Radon & Karst Sinkhole
EPA Zone 1 — High Potential (> 4.0 pCi/L)
Low / Non-Karst Bedrock & Alluvial Formation
🔒 0.25-Mi Vapor Intrusion Buffer Locked

📊 Unk, MT Statistical Risk Graphs & Multi-Hazard Telemetry

SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)
1. Municipal Regulatory & Water Program Mix
RCRA Hazardous Waste Generators 4 (10.8%)
Clean Water (NPDES) & Drinking Water (SDWIS) 32 (86.5%)
Active EPA Non-Compliance Dockets 2 (5.4%)
High-Risk Enforcement Facilities 1 (2.7%)
2. FEMA NRI & USGS Hazard Index (1–10) Very Low (15.1/100)
🌊 Flood Exposure 1/10 • Very Low Hazard
🔥 Wildfire Hazard 1/10 • Very Low Hazard
☀️ Extreme Heat 1/10 • Very Low Hazard
🌪️ Severe Wind / Storm 3/10 • Low Hazard
🫨 USGS Earthquake 1/10 • Very Low Hazard
3. City vs. County & State Benchmark
Unk High-Risk Rate 2.7%
Sheridan County Average 0.0%
Montana (MT) Statewide Avg 0.7%
Unlock Street-Level Dossier: Paid report reveals exact facility names, distances in feet, USDA soil LEP %, water table depth, and parcel flood zone.
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ZIP Codes in Unk, MT

Highest-Scored EPA Regulated Facilities in Unk, MT

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 Unk Dossier →
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 • UNK, MT (ZIP 99999 Sector) MODERATE (39/100) Violation Identified (12 qtrs NC) 🔒 12 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • UNK, MT (ZIP 99999 Sector) MODERATE (36/100) Violation Identified (12 qtrs NC) 🔒 12 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #3 🔒 Exact Street & Parcel Redacted • UNK, MT (ZIP 99999 Sector) MODERATE (30/100) Resolved / Historical Non-Compliance (1 qtrs NC) 🔒 1 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • UNK, MT (ZIP 99999 Sector) MODERATE (30/100) Resolved / Historical Non-Compliance (1 qtrs NC) 🔒 1 Qtrs Non-Compliance • Unlock →
SUNMARK EXPL CO ETHEL LAND 1-A27 593 FREE PREVIEW (LOW RISK) S27 T32N R56E, UNK, MT 99999 LOW (16/100) No Violation Identified (0 qtrs NC) $0
KEMETCO RESEARCH / RICHMOND BC CANADA V6V2M2 FREE PREVIEW (LOW RISK) 445 5600 PARKWOOD WAY, UNK, MT 99999 LOW (16/100) No Violation Identified (0 qtrs NC) $0
JAMES NORMANDY'S SUCT. DREDGE FREE PREVIEW (LOW RISK) T13N R14W S26, UNK, MT 99999 LOW (16/100) No Violation Identified (0 qtrs NC) $0
ENCORE - ELK BASIN NORTHWEST BATTERY NO. FREE PREVIEW (LOW RISK) UNK (ZIP GIVEN 82435 IS POWELL, WY), UNK, MT 84325 LOW (12/100) No Violation Identified (0 qtrs NC) $0
🔒 Locked Regulated EPA Enforcement Record #5 🔒 Exact Street & Parcel Redacted • UNK, MT (ZIP 99999 Sector) LOW (12/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #6 🔒 Exact Street & Parcel Redacted • UNK, MT (ZIP 99999 Sector) LOW (12/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #7 🔒 Exact Street & Parcel Redacted • UNK, MT (ZIP 99999 Sector) LOW (12/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #8 🔒 Exact Street & Parcel Redacted • UNK, MT (ZIP 99999 Sector) LOW (11/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 + 25 Additional Regulated & Enforcement Records in Unk, MT Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

Frequently Asked Questions — Unk, Montana Environmental Risk & Radon

How many EPA-regulated facilities are in Unk, MT?

U.S. EPA records track 37 regulated facilities in Unk, Montana, including 1 high-risk sites (2.7%), 2 active violators (5.4%), and 4 RCRA hazardous waste handlers (10.8%).

Which ZIP codes in Unk, MT have the most EPA-tracked sites?

Within Unk, regulated facilities are primarily concentrated across local postal codes.

How can I check a specific house or commercial property in Unk, MT?

Enter the exact street address in Unk into the FullPropertyReport radius scanner to screen all EPA ECHO, FRS, RCRA, TRI, USDA soil foundation shrink-swell, drinking water (SDWIS), FEMA flood zone, and county radon records within 0.5 to 3.0 miles.

Is tap water safe in Unk, MT and how many EPA water permits exist?

In Unk, MT, federal registries track 27 Safe Drinking Water (SDWIS) facilities, 5 Clean Water Act NPDES permits, and 1 impaired water body dischargers.

What is the soil foundation risk and FEMA flood disaster history in Unk, MT?

USDA regional soil screening for Unk indicates a MODERATE shrink-swell foundation signal, and Sheridan County has recorded 1 federal FEMA disaster declarations (1 flood/severe storm declarations). Run an address scan to unlock exact parcel soil LEP %, water table depth, and flood zone.

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