Williams County, North Dakota — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Williams County, ND?
In Williams County, North Dakota, public U.S. EPA records track 513 regulated facilities (#3 of 75 in North Dakota), including 9 (1.8%) High-Risk sites and $5,321,000 in federal penalties. Countywide due diligence also covers 83 Safe Drinking Water (SDWIS) facilities, 224 Clean Water NPDES permits, 4 FEMA Federal Disaster Declarations (3 flood/storm), USDA Soil Foundation Shrink-Swell (MODERATE signal), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
Williams 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📊 Williams County, ND Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in Williams County
Top EPA Regulated Facilities in Williams 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 • WILLISTON, ND (ZIP 58802 Sector) | HIGH (69/100) | Significant Violation (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • WILLISTON, ND (ZIP 58801 Sector) | HIGH (66/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • TIOGA, ND (ZIP 58852 Sector) | HIGH (64/100) | Significant Violation (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • UNKNOWN, ND (ZIP 58000 Sector) | HIGH (64/100) | Significant Violation (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • (UNKNOWN CITY), ND (ZIP 00000 Sector) | HIGH (64/100) | Significant Violation (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • WILLISTON, ND (ZIP 58801 Sector) | MODERATE (42/100) | Violation (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • WILLISTON, ND (ZIP 58801 Sector) | MODERATE (38/100) | Resolved / Historical Non-Compliance (5 qtrs NC) | 🔒 5 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • UNKNOWN, ND (ZIP 58000 Sector) | MODERATE (36/100) | Violation Identified (1 qtrs NC) | 🔒 1 Qtrs Non-Compliance • Unlock → |
| STEALTH ENERGY GROUP FREE PREVIEW (LOW RISK) | 218 37TH AVE SE, WILLISTON, ND 58801 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| NABORS WELL SERVICES CO FREE PREVIEW (LOW RISK) | 1015 58TH ST W, WILLISTON, ND 58801 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| PLAINS MARKETING - BEAVER LODGE STATION FREE PREVIEW (LOW RISK) | 10351 60TH ST NW, TIOGA, ND 58852 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| OTIS ENGINEERING CORP FREE PREVIEW (LOW RISK) | HIGHWAY 2 AND 85 WEST, WILLISTON, ND 58801 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Williams County, North Dakota Environmental Due Diligence
How many EPA-regulated environmental sites are in Williams County, North Dakota?
Public U.S. EPA records track 513 regulated facilities in Williams County, North Dakota (ranking #3 of 75 jurisdictions in ND). Of those, 9 (1.8%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 18 (3.5%) have active non-compliance quarters.
Which ZIP codes and cities in Williams County have the highest regulated facility density?
Within Williams County, the highest concentrations of EPA-tracked facilities are located in ZIP 58852 (Tioga, 73 sites), ZIP 58802 (Williston, 36 sites), ZIP 58849 (Ray, 15 sites), spanning municipal corridors including Tioga (67 sites), Ray (15 sites), Alexandria (14 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Williams County?
Across Williams County, 186 facilities (36.3% 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 Williams County, ND?
Geologic indoor air screening places Williams 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 Williams County, ND?
Federal records track 83 Safe Drinking Water (SDWIS) facilities, 224 Clean Water Act NPDES permits, and 17 impaired water dischargers in Williams County, alongside 4 historical FEMA federal disaster declarations (3 flood/storm events).
Does Williams County, ND have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Williams 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.