ZIP 58802 (Williston, ND) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 58802 in Williston, North Dakota (Williams County) has 36 EPA-tracked facilities, including 1 High-Risk sites (2.8%), 1 active violators, and $0 in federal penalties. Beyond industrial pollution, properties in ZIP 58802 are screened across 4 historical Williams County FEMA disasters, USDA Soil Foundation Shrink-Swell (MODERATE signal), Tap Water & Watershed Permits (21), and EPA Zone 1 — High Potential (> 4.0 pCi/L).
ZIP 58802 (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📊 ZIP 58802 (Williston, ND) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 58802 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 1 High-Risk and 1 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 58802 (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).
| Facility Name / Hazard Type | Sector Location (Street Redacted) | Risk Score (0–100) | 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 Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • WILLISTON, ND (ZIP 58802 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (6 qtrs NC) | 🔒 6 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • WILLISTON, ND (ZIP 58802 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • WILLISTON, ND (ZIP 58802 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 58802 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| WESTERN AREA WATER SUPPLY AUTHORITY - WAWSA-NWRWD EAST WILLISTON & CR 9 RURAL EX FREE PREVIEW (LOW RISK) | PO BOX 2343, WILLISTON, ND 58802 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| WILLIAMS COUNTY PARKS - BLACKTAIL DAM IMPROVEMENTS FREE PREVIEW (LOW RISK) | 115 BLACKTAIL DR., WILLISTON, ND 58802 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| NATCO SALES AND SERVICE CENTER FREE PREVIEW (LOW RISK) | HWY 2 & 85 NORTH, WILLISTON, ND 58802 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| PLAINS MARKETING WILLISTON TRUCK SHOP FREE PREVIEW (LOW RISK) | 14121 HWY 2 W, WILLISTON, ND 58802 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • WILLISTON, ND (ZIP 58802 Sector) | LOW (16/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • WILLISTON, ND (ZIP 58802 Sector) | LOW (16/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • WILLISTON, ND (ZIP 58802 Sector) | LOW (16/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — ZIP 58802 (Williston, ND) EPA Dataset & Radon
DATASET: U.S. EPA ECHO • FRS • RCRAInfo • TRI (November 01, 2026)How many EPA-tracked environmental sites are in ZIP code 58802 (Williston, ND)?
ZIP code 58802 (Williston, ND) contains 36 EPA-tracked facilities, of which 1 (2.8%) are classified in the High-Risk tier, 1 (2.8%) have active compliance violations, and 10 (27.8%) handle RCRA hazardous waste.
How does ZIP 58802 compare to Williams County and North Dakota averages?
In ZIP 58802, 2.8% of regulated sites are rated High Risk, compared to 1.8% across Williams County and 1.1% statewide in North Dakota.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 58802?
Geologic screening places ZIP 58802 in EPA Zone 1 — High Potential (> 4.0 pCi/L). Property buyers should screen a 0.25-mile immediate buffer for vapor-intrusion sources and a 1.0-mile radius for CERCLA/RCRA sites.
Is ZIP 58802 (Williston, ND) in a FEMA flood zone and what is the flood disaster history?
Williams County has recorded 4 historical FEMA federal disaster declarations (3 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 58802 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 58802 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 58802 indicates a MODERATE shrink-swell risk signal. Within ZIP 58802, federal registries track 1 SDWIS drinking water facilities, 20 Clean Water NPDES permits, and 5 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.