ZIP 59403 (Great Falls, MT) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 59403 in Great Falls, Montana (Cascade County) has 93 EPA-tracked facilities, including 0 High-Risk sites (0.0%), 0 active violators, and $0 in federal penalties. Beyond industrial pollution, properties in ZIP 59403 are screened across 22 historical Cascade County FEMA disasters, USDA Soil Foundation Shrink-Swell (LOW signal), Tap Water & Watershed Permits (67), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
ZIP 59403 (Great Falls, MT) 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 ZIP 59403 (Great Falls, MT) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 02, 2026)ZIP 59403 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 0 High-Risk and 0 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 59403 (Great Falls, 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 Score (0–100) | Compliance Status | Enforcement / Unlock |
|---|---|---|---|---|
| 🔒 Locked Regulated EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • GREAT FALLS, MT (ZIP 59403 Sector) | MODERATE (32/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • GREAT FALLS, MT (ZIP 59403 Sector) | MODERATE (25/100) | Resolved / Historical Non-Compliance (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • GREAT FALLS, MT (ZIP 59403 Sector) | MODERATE (24/100) | Resolved / Historical Non-Compliance (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • GREAT FALLS, MT (ZIP 59403 Sector) | MODERATE (23/100) | Resolved / Historical Non-Compliance (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| ACM SMELTER AND REFINERY FREE PREVIEW (LOW RISK) | EAST OF BLACK EAGLE, GREAT FALLS, MT 59403 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| MDT - SMITH RIVER - ULM MT FREE PREVIEW (LOW RISK) | SMITH RIVER AT ULM, ULM, MT 59403 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| ANIMAL FOUNDATION OF GREAT FALLS - MARGARET J MACLEAN ANIMAL FOUNDATION SHELTER FREE PREVIEW (LOW RISK) | 900 26TH AVENUE NORTHEAST, GREAT FALLS, MT 59403 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| UNITED MATERIALS GREAT FALLS - RANCH PIT FREE PREVIEW (LOW RISK) | 235 AIRPORT BENCH RD, GREAT FALLS, MT 59403 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • GREAT FALLS, MT (ZIP 59403 Sector) | LOW (18/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • GREAT FALLS, MT (ZIP 59403 Sector) | LOW (18/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • GREAT FALLS, MT (ZIP 59403 Sector) | LOW (18/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • GREAT FALLS, MT (ZIP 59403 Sector) | LOW (18/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — ZIP 59403 (Great Falls, MT) EPA Dataset & Radon
DATASET: U.S. EPA ECHO • FRS • RCRAInfo • TRI (November 02, 2026)How many EPA-tracked environmental sites are in ZIP code 59403 (Great Falls, MT)?
ZIP code 59403 (Great Falls, MT) contains 93 EPA-tracked facilities, of which 0 (0.0%) are classified in the High-Risk tier, 0 (0.0%) have active compliance violations, and 24 (25.8%) handle RCRA hazardous waste.
How does ZIP 59403 compare to Cascade County and Montana averages?
In ZIP 59403, 0.0% of regulated sites are rated High Risk, compared to 1.1% across Cascade County and 0.7% statewide in Montana.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 59403?
Geologic screening places ZIP 59403 in EPA Zone 1 — High Potential (> 4.0 pCi/L). Property buyers should screen a 0.25-mile immediate buffer for vapor-intrusion sources and a 1.0-mile radius for CERCLA/RCRA sites.
Is ZIP 59403 (Great Falls, MT) in a FEMA flood zone and what is the flood disaster history?
Cascade County has recorded 22 historical FEMA federal disaster declarations (8 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 59403 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 59403 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 59403 indicates a LOW shrink-swell risk signal. Within ZIP 59403, federal registries track 3 SDWIS drinking water facilities, 64 Clean Water NPDES permits, and 36 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.