Cavalier County, North Dakota — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
In Cavalier County, North Dakota, public U.S. EPA records track 7 regulated facilities (#79 of 79 in North Dakota), including 0 (0.0%) High-Risk sites and $0 in federal penalties. Countywide due diligence also covers 0 Safe Drinking Water (SDWIS) facilities, 7 Clean Water NPDES permits, 1 FEMA Federal Disaster Declarations (1 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Cavalier 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📊 Cavalier County, ND Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)Municipalities in Cavalier County
ZIP Codes in Cavalier County
Top EPA Regulated Facilities in Cavalier 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 Regulated EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • MILTON, ND (ZIP 58260 Sector) | MODERATE (35/100) | Violation Identified (8 qtrs NC) | 🔒 8 Qtrs Non-Compliance • Unlock → |
| CAVALIER COUNTY-OSNABROCK SHOP FREE PREVIEW (LOW RISK) | 108 EAST BROAD ST, OSNABROCK, ND 58269 | LOW (12/100) | No Violation Identified (0 qtrs NC) | $0 |
| LANGDON FREE PREVIEW (LOW RISK) | LANGDON, UNKNOWN, ND 58000 | LOW (11/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Cavalier County, North Dakota Environmental Due Diligence
How many EPA-regulated environmental sites are in Cavalier County County, North Dakota?
Public U.S. EPA records track 7 regulated facilities in Cavalier County County, North Dakota (ranking #79 of 79 jurisdictions in ND). Of those, 0 (0.0%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 1 (14.3%) have active non-compliance quarters.
Which ZIP codes and cities in Cavalier County County have the highest regulated facility density?
Within Cavalier County County, the highest concentrations of EPA-tracked facilities are located in ZIP 58249 (Langdon, 19 sites), ZIP 58269 (Osnabrock, 4 sites), ZIP 58372 (Sarles, 2 sites), spanning municipal corridors including Langdon (20 sites), Osnabrock (5 sites), Sarles (2 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Cavalier County County?
Across Cavalier County County, 0 facilities (0.0% 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 Cavalier County County, ND?
Geologic indoor air screening places Cavalier County 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 Cavalier County County, ND?
Federal records track 0 Safe Drinking Water (SDWIS) facilities, 7 Clean Water Act NPDES permits, and 0 impaired water dischargers in Cavalier County County, alongside 1 historical FEMA federal disaster declarations (1 flood/storm events).
Does Cavalier County, ND have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Cavalier County indicates a MODERATE shrink-swell risk signal and steel pipe corrosivity rated High. Run a street address scan to unlock the exact parcel soil series, LEP %, and water table depth.