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 112 regulated facilities (#18 of 75 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, 43 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 05, 2026)Municipalities in Williams County
ZIP Codes 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 Regulated EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • EPPING, ND (ZIP 58843 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • WILLISTON, ND (ZIP 58801 Sector) | MODERATE (32/100) | Resolved / Historical Non-Compliance (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • MCGREGOR, ND (ZIP 58755 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • TIOGA, ND (ZIP 58852 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • WILLISTON, ND (ZIP 58801 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • WILLISTON, ND (ZIP 58801 Sector) | MODERATE (30/100) | Violation Identified (3 qtrs NC) | 🔒 3 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • WILLISTON, ND (ZIP 58801 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (3 qtrs NC) | 🔒 3 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • WILLISTON, ND (ZIP 58801 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (4 qtrs NC) | 🔒 4 Qtrs Non-Compliance • Unlock → |
| NORTHERN IMPROVEMENT COMPANY - RALFSTAD PIT FREE PREVIEW (LOW RISK) | 5595 134TH AVENUE NORTHWEST, WILLISTON, ND 58801 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| RICE LAKE CONSTRUCTION GROUP FREE PREVIEW (LOW RISK) | 7 12TH AVENUE EAST, WILLISTON, ND 58801 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| NDDOT HWY 23 FREE PREVIEW (LOW RISK) | 605 DAKOTA PARKWAY WEST, WILLISTON, ND 55804 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| CERILON GTL NORTH DAKOTA PROJECT FREE PREVIEW (LOW RISK) | 14781 42ND ST NW, TRENTON, ND 58801 | LOW (13/100) | 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 County, North Dakota?
Public U.S. EPA records track 112 regulated facilities in Williams County County, North Dakota (ranking #18 of 75 jurisdictions in ND). Of those, 0 (0.0%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 2 (1.8%) have active non-compliance quarters.
Which ZIP codes and cities in Williams County County have the highest regulated facility density?
Within Williams County County, the highest concentrations of EPA-tracked facilities are located in ZIP 58801 (Williston, 367 sites), ZIP 58755 (Mcgregor, 10 sites), spanning municipal corridors including Williston (400 sites), Mcgregor (10 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Williams County County?
Across Williams 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 Williams County County, ND?
Geologic indoor air screening places Williams 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 Williams County County, ND?
Federal records track 0 Safe Drinking Water (SDWIS) facilities, 43 Clean Water Act NPDES permits, and 3 impaired water dischargers in Williams County 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.