Carter County, Montana — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
In Carter County, Montana, public U.S. EPA records track 73 regulated facilities (#47 of 65 in Montana), including 2 (2.7%) High-Risk sites and $1,800 in federal penalties. Countywide due diligence also covers 6 Safe Drinking Water (SDWIS) facilities, 63 Clean Water NPDES permits, 22 FEMA Federal Disaster Declarations (8 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Carter 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📊 Carter County, MT Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)Municipalities in Carter County
ZIP Codes in Carter County
Top EPA Regulated Facilities in Carter 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 • EKALAKA, MT (ZIP 59324 Sector) | HIGH (69/100) | Significant Violation (8 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • MILL IRON, MT (ZIP 59342 Sector) | HIGH (64/100) | Significant Violation (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • EKALAKA, MT (ZIP 59324 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (10 qtrs NC) | 🔒 10 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • EKALAKA, MT (ZIP 59324 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • , MT (ZIP 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 • , MT (ZIP Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • EKALAKA, MT (ZIP 59324 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| ALBION - N & S PHASE II FREE PREVIEW (LOW RISK) | T8S R61E S6 N1/2, ALBION, MT 99999 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| EPCS - BUFFALO TO CAPITOL PROJECT FREE PREVIEW (LOW RISK) | 3.2MI W OF CAMP CROOK ON HWY 20, CAPITOL, MT 59319 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| ALZADA NORTH FREE PREVIEW (LOW RISK) | MM 50-MM 63 MT HWY 323, ALZADA, MT 59311 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| MONTANA DEPT OF TRANSPORTATION FLATHEAD RIVER 3MI NW OF BIGFORK FREE PREVIEW (LOW RISK) | 1/2 MI EAST OF CAPITOL MT, HELENA, MT 59601 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • ALZADA, MT (ZIP 59311 Sector) | LOW (16/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — Carter County, Montana Environmental Due Diligence
How many EPA-regulated environmental sites are in Carter County, Montana?
Public U.S. EPA records track 73 regulated facilities in Carter County, Montana (ranking #47 of 65 jurisdictions in MT). Of those, 2 (2.7%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 3 (4.1%) have active non-compliance quarters.
Which ZIP codes and cities in Carter County have the highest regulated facility density?
Within Carter County, the highest concentrations of EPA-tracked facilities are located in ZIP 59324 (Ekalaka, 31 sites), ZIP 59311 (Alzada, 17 sites), ZIP 59332 (Hammond, 10 sites), spanning municipal corridors including Ekalaka (31 sites), Alzada (17 sites), Hammond (9 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Carter County?
Across Carter County, 3 facilities (4.1% 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 Carter County, MT?
Geologic indoor air screening places Carter 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 Carter County, MT?
Federal records track 6 Safe Drinking Water (SDWIS) facilities, 63 Clean Water Act NPDES permits, and 4 impaired water dischargers in Carter County, alongside 22 historical FEMA federal disaster declarations (8 flood/storm events).
Does Carter County, MT have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Carter County indicates a MODERATE shrink-swell risk signal and steel pipe corrosivity rated Moderate. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.