PUBLIC DATA SOURCE: U.S. EPA ECHO, FRS, RCRA, TRI & FEMA NFHL 3,230,651 Regulated Sites • All 50 States • Data as of November 01, 2026
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Home › States › North Dakota › Williston, ND
6-IN-1 MUNICIPAL ENVIRONMENTAL, WATER, SOIL & FLOOD HUB • WILLISTON, ND

Williston, North Dakota — Flood Zone, Tap Water Quality, Soil Foundation, Radon & EPA Hazards

Run 1-Mile Address Scan in Williston →

Public U.S. EPA records track 400 regulated facilities in Williston, North Dakota (Williams County), including 5 High-Risk sites (1.2%) and 9 active violators. In addition to industrial waste, Williston properties are screened for Tap Water & Watershed Permits (144 systems), USDA Soil Foundation Shrink-Swell (MODERATE signal), 4 County FEMA Disaster Declarations, and EPA Zone 1 — High Potential (> 4.0 pCi/L).

Total EPA Sites
400
High-Risk (1.2% vs 1.1% State)
5
Active Violators (2.2%)
9
Drinking & Clean Water
144
Federal Penalties
$5,321,000

Williston, ND 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals

🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan
🌊 Flood Zone & FEMA Disaster History
Williams County: 4 FEMA Declarations (3 Flood/Storm)
🔒 Exact Parcel Flood Zone (AE / VE / X) & SFHA Insurance Status Locked
Check Property Flood Zone →
🪨 USDA Soil, Foundation & Water Table
Shrink-Swell Risk Signal: MODERATE • Pipe Corrosion: Moderate
🔒 Exact USDA Soil Series, Linear Extensibility (LEP %) & Water Table Depth (ft) Locked
Unlock Parcel Soil Test →
🚰 Tap Water (SDWIS) & PFAS Check
3 SDWIS Systems • 141 NPDES Permits
🔒 10 Impaired Water (303d) & 22 Violation Dockets Locked
Unlock Utility Violation Log →
☢️ EPA Radon & Karst Sinkhole
EPA Zone 1 — High Potential (> 4.0 pCi/L)
Low / Non-Karst Bedrock Formation
🔒 0.25-Mi Vapor Intrusion Buffer Locked

📊 Williston, ND Statistical Risk Graphs & Multi-Hazard Telemetry

SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)
1. Municipal Regulatory & Water Program Mix
RCRA Hazardous Waste Generators 150 (37.5%)
Clean Water (NPDES) & Drinking Water (SDWIS) 144 (36.0%)
Active EPA Non-Compliance Dockets 9 (2.2%)
High-Risk Enforcement Facilities 5 (1.2%)
2. FEMA NRI & USGS Hazard Index (1–10) Relatively Low (53.7/100)
🌊 Flood Exposure 4/10 • Relatively Low
🔥 Wildfire Hazard 8/10 • Relatively Low
☀️ Extreme Heat 2/10 • Very Low
🌪️ Severe Wind / Storm 5/10 • Relatively Low
🫨 USGS Earthquake 2/10 • Very Low
3. City vs. County & State Benchmark
Williston High-Risk Rate 1.2%
Williams County Average 1.8%
North Dakota (ND) Statewide Avg 1.1%
Unlock Street-Level Dossier: Paid report reveals exact facility names, distances in feet, USDA soil LEP %, water table depth, and parcel flood zone.
🔒 Scan a Property Address in Williston →

ZIP Codes in Williston, ND

ZIP 58801 (367 sites • 5 High Risk) ZIP 58802 (36 sites • 1 High Risk) ZIP 58856 (2 sites • 0 High Risk)

Highest-Scored EPA Regulated Facilities in Williston, ND

100% of High-Risk & penalized facilities have facility names, street names, and dockets redacted (3 Low-Risk compliant records shown as Free Previews).

Unlock Full Williston Dossier →
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 • WILLISTON, ND (ZIP 58801 Sector) HIGH (64/100) No Violation Identified (0 qtrs NC) 🔒 $100,000+ Federal Fine • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • WILLISTON, ND (ZIP 58801 Sector) HIGH (64/100) No Violation Identified (0 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked Regulated EPA Enforcement Record #5 🔒 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 #6 🔒 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 #7 🔒 Exact Street & Parcel Redacted • WILLISTON, ND (ZIP 58801 Sector) MODERATE (37/100) Resolved / Historical Non-Compliance (10 qtrs NC) 🔒 10 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #8 🔒 Exact Street & Parcel Redacted • WILLISTON, ND (ZIP 58801 Sector) MODERATE (33/100) Resolved / Historical Non-Compliance (2 qtrs NC) 🔒 2 Qtrs Non-Compliance • Unlock →
CREEDENCE ENERGY SERVICES - WILLISTON (NORTH) FREE PREVIEW (LOW RISK) 5930 16TH AVENUE WEST, WILLISTON, ND 58801 LOW (19/100) No Violation Identified (0 qtrs NC) $0
STEALTH ENERGY GROUP FREE PREVIEW (LOW RISK) 218 37TH AVE SE, WILLISTON, ND 58801 LOW (17/100) No Violation Identified (0 qtrs NC) $0
CAHOON ENTERPRISES, LLC FREE PREVIEW (LOW RISK) 5245 142ND DRIVE NW, WILLISTON, ND 58801 LOW (17/100) No Violation Identified (0 qtrs NC) $0
STOCKMAN MOTORS FREE PREVIEW (LOW RISK) 202 1ST AVE E, WILLISTON, ND 58801 LOW (17/100) No Violation Identified (0 qtrs NC) $0
🔒 + 388 Additional Regulated & Enforcement Records in Williston, ND Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

Frequently Asked Questions — Williston, North Dakota Environmental Risk & Radon

How many EPA-regulated facilities are in Williston, ND?

U.S. EPA records track 400 regulated facilities in Williston, North Dakota, including 5 high-risk sites (1.2%), 9 active violators (2.2%), and 150 RCRA hazardous waste handlers (37.5%).

Which ZIP codes in Williston, ND have the most EPA-tracked sites?

Within Williston, regulated facilities are primarily concentrated across ZIP 58801 (367 sites), ZIP 58802 (36 sites), ZIP 58856 (2 sites).

How can I check a specific house or commercial property in Williston, ND?

Enter the exact street address in Williston into the FullPropertyReport radius scanner to screen all EPA ECHO, FRS, RCRA, TRI, USDA soil foundation shrink-swell, drinking water (SDWIS), FEMA flood zone, and county radon records within 0.5 to 3.0 miles.

Is tap water safe in Williston, ND and how many EPA water permits exist?

In Williston, ND, federal registries track 3 Safe Drinking Water (SDWIS) facilities, 141 Clean Water Act NPDES permits, and 10 impaired water body dischargers.

What is the soil foundation risk and FEMA flood disaster history in Williston, ND?

USDA regional soil screening for Williston indicates a MODERATE shrink-swell foundation signal, and Williams County has recorded 4 federal FEMA disaster declarations (3 flood/severe storm declarations). Run an address scan to unlock exact parcel soil LEP %, water table depth, and flood zone.