North Slope County, Alaska — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in North Slope County, AK?
In North Slope County, Alaska, public U.S. EPA records track 46 regulated facilities (#39 of 66 in Alaska), including 4 (8.7%) High-Risk sites and $6,825,727 in federal penalties. Countywide due diligence also covers 15 Safe Drinking Water (SDWIS) facilities, 17 Clean Water NPDES permits, 24 FEMA Federal Disaster Declarations (12 flood/storm), USDA Soil Foundation Shrink-Swell (LOW signal), and EPA Zone 3 — Low Potential (< 2.0 pCi/L).
North Slope County, AK 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 North Slope County, AK Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 03, 2026)Municipalities in North Slope County
ZIP Codes in North Slope County
Top EPA Regulated Facilities in North Slope County, AK
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 • PRUDHOE BAY, AK (ZIP 99734 Sector) | HIGH (67/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • PRUDHOE BAY, AK (ZIP 99734 Sector) | HIGH (66/100) | Violation Identified (9 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • PRUDHOE BAY, AK (ZIP 99734 Sector) | MODERATE (59/100) | Violation Identified (12 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • PRUDHOE BAY, AK (ZIP 99734 Sector) | MODERATE (46/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • KAKTOVIK, AK (ZIP 99747 Sector) | MODERATE (41/100) | Violation Identified (7 qtrs NC) | 🔒 7 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • POINT HOPE, AK (ZIP 99766 Sector) | MODERATE (39/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • NUIQSUT, AK (ZIP 99789 Sector) | MODERATE (33/100) | No Violation Identified (0 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • PRUDHOE BAY, AK (ZIP 99734 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| ALPINE OIL FIELD FREE PREVIEW (LOW RISK) | NANUK LAKE, NUIQSUT, AK 99789 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| USAF LRRS POINT LAY FREE PREVIEW (LOW RISK) | AIRPORT RD, POINT LAY, AK 99759 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| USAF DEWLINE SITE POW-1:PT. LONELY FREE PREVIEW (LOW RISK) | PITT POINT, 85 MI SE OF BARROW, BARROW, AK 99723 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| FWS-ARCTIC NWR: GRIFFIN POINT DEWLINE STAGING SITE FREE PREVIEW (LOW RISK) | 70D04M00SN, 142D54M00SW, 18 MI E OF CITY, KAKTOVIK, AK 99747 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — North Slope County, Alaska Environmental Due Diligence
How many EPA-regulated environmental sites are in North Slope Borough County, Alaska?
Public U.S. EPA records track 46 regulated facilities in North Slope Borough County, Alaska (ranking #39 of 66 jurisdictions in AK). Of those, 4 (8.7%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 7 (15.2%) have active non-compliance quarters.
Which ZIP codes and cities in North Slope Borough County have the highest regulated facility density?
Within North Slope Borough County, the highest concentrations of EPA-tracked facilities are located in ZIP 99789 (Nuiqsut, 31 sites), spanning municipal corridors including North Slope Borough (28 sites), Nuiqsut (26 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in North Slope Borough County?
Across North Slope Borough County, 12 facilities (26.1% 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 North Slope Borough County, AK?
Geologic indoor air screening places North Slope Borough County in EPA Zone 3 — Low Potential (< 2.0 pCi/L). Counties in EPA Radon Zone 3 have a predicted average indoor radon level below 2.0 pCi/L, indicating lower regional geologic radon risk.
How many drinking water systems (SDWIS), impaired water bodies, and FEMA flood disasters are recorded in North Slope Borough County, AK?
Federal records track 15 Safe Drinking Water (SDWIS) facilities, 17 Clean Water Act NPDES permits, and 0 impaired water dischargers in North Slope Borough County, alongside 24 historical FEMA federal disaster declarations (12 flood/storm events).
Does North Slope County, AK have expansive clay soil or foundation risk?
USDA regional soil engineering screening for North Slope County indicates a LOW 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.