Slope County, North Dakota — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
In Slope County, North Dakota, public U.S. EPA records track 8 regulated facilities (#77 of 77 in North Dakota), including 1 (12.5%) High-Risk sites and $0 in federal penalties. Countywide due diligence also covers 2 Safe Drinking Water (SDWIS) facilities, 3 Clean Water NPDES permits, 11 FEMA Federal Disaster Declarations (6 flood/storm), USDA Soil Foundation Shrink-Swell (LOW signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Slope County, ND 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Slope County, ND Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)Municipalities in Slope County
ZIP Codes in Slope County
Top EPA Regulated Facilities in Slope County, ND
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 • UNKNOWN, ND (ZIP 58000 Sector) | HIGH (64/100) | Significant Violation (7 qtrs NC) | 🔒 7 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • MARMARTH, ND (ZIP 58643 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| FEDEX FREIGHT INC FREE PREVIEW (LOW RISK) | 804 US HIGHWAY 85, BELFIELD, ND 58622 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| HOWIE #2 LEASE FREE PREVIEW (LOW RISK) | SEC 2, T136N, R100W, AMIDON, ND 58620 | LOW (15/100) | No Violation Identified (0 qtrs NC) | $0 |
| SLOPE COUNTY-STUBER ROAD PHASE 2 24-17 FREE PREVIEW (LOW RISK) | 206 MAIN ST, AMIDON, ND 58620 | LOW (13/100) | No Violation Identified (0 qtrs NC) | $0 |
| BEAR PAW ENERGY,LLC FREE PREVIEW (LOW RISK) | 36-133-106, UNK, ND 99999 | LOW (13/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • , ND (ZIP Sector) | LOW (9/100) | Inactive (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — Slope County, North Dakota Environmental Due Diligence
How many EPA-regulated environmental sites are in Slope County, North Dakota?
Public U.S. EPA records track 8 regulated facilities in Slope County, North Dakota (ranking #77 of 77 jurisdictions in ND). Of those, 1 (12.5%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 1 (12.5%) have active non-compliance quarters.
Which ZIP codes and cities in Slope County have the highest regulated facility density?
Within Slope County, the highest concentrations of EPA-tracked facilities are located in ZIP 58620 (Amidon, 2 sites), spanning municipal corridors including Marmarth (4 sites), Amidon (2 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Slope County?
Across Slope County, 2 facilities (25.0% 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 Slope County, ND?
Geologic indoor air screening places Slope 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 Slope County, ND?
Federal records track 2 Safe Drinking Water (SDWIS) facilities, 3 Clean Water Act NPDES permits, and 2 impaired water dischargers in Slope County, alongside 11 historical FEMA federal disaster declarations (6 flood/storm events).
Does Slope County, ND have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Slope County indicates a LOW 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.