Yukon-Koyukuk County, Alaska — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Yukon-Koyukuk County, AK?
In Yukon-Koyukuk County, Alaska, public U.S. EPA records track 48 regulated facilities (#37 of 66 in Alaska), including 1 (2.1%) High-Risk sites and $12,513 in federal penalties. Countywide due diligence also covers 3 Safe Drinking Water (SDWIS) facilities, 42 Clean Water NPDES permits, 4 FEMA Federal Disaster Declarations (2 flood/storm), USDA Soil Foundation Shrink-Swell (LOW signal), and EPA Zone 3 — Low Potential (< 2.0 pCi/L).
Yukon-Koyukuk 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📊 Yukon-Koyukuk County, AK Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)Municipalities in Yukon-Koyukuk County
ZIP Codes in Yukon-Koyukuk County
Top EPA Regulated Facilities in Yukon-Koyukuk 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 Regulated EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • MCGRATH, AK (ZIP 99627 Sector) | MODERATE (39/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • HUSLIA, AK (ZIP 99746 Sector) | MODERATE (35/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • CENTRAL, AK (ZIP 99730 Sector) | MODERATE (31/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • CENTRAL, AK (ZIP 99730 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • , AK (ZIP Sector) | MODERATE (21/100) | Resolved / Historical Non-Compliance (2 qtrs NC) | 🔒 2 Qtrs Non-Compliance • Unlock → |
| MILLER CREEK MINING - KETCHUM CREEK PLACER MINE FREE PREVIEW (LOW RISK) | ALONG KETCHUM CREEK, CENTRAL, AK 99730 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| RICHARD LOUD / INTERIOR ALASKANA ASSOCIATES / NORTH FORK HARRISON CREEK FREE PREVIEW (LOW RISK) | CIRCLE B-3, CIRCLE, AK 00000 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
| JONES GOLD DUST CREEK MINE SITE FREE PREVIEW (LOW RISK) | CIRCLE, F.M. T7N, R11E, SECTIONS 16, 17, CENTRAL, AK 99730 | LOW (16/100) | No Violation Identified (0 qtrs NC) | $0 |
| ALASKA DOT & PF GALENA AIRPORT FREE PREVIEW (LOW RISK) | BLOCK 8, LOTS 11-14 GALENA AIRPORT, GALENA, AK 99741 | LOW (15/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • BETTLES, AK (ZIP 99726 Sector) | LOW (13/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • IDITAROD, AK (ZIP 99627 Sector) | LOW (13/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • CIRCLE, AK (ZIP 00000 Sector) | LOW (13/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — Yukon-Koyukuk County, Alaska Environmental Due Diligence
How many EPA-regulated environmental sites are in Yukon-Koyukuk Census Area County, Alaska?
Public U.S. EPA records track 48 regulated facilities in Yukon-Koyukuk Census Area County, Alaska (ranking #37 of 66 jurisdictions in AK). Of those, 1 (2.1%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 3 (6.2%) have active non-compliance quarters.
Which ZIP codes and cities in Yukon-Koyukuk Census Area County have the highest regulated facility density?
Within Yukon-Koyukuk Census Area County, the highest concentrations of EPA-tracked facilities are located in ZIP 99584 (Flat, 6 sites), spanning municipal corridors including Iditarod (1 sites), Mc Grath (1 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Yukon-Koyukuk Census Area County?
Across Yukon-Koyukuk Census Area County, 1 facilities (2.1% 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 Yukon-Koyukuk Census Area County, AK?
Geologic indoor air screening places Yukon-Koyukuk Census Area 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 Yukon-Koyukuk Census Area County, AK?
Federal records track 3 Safe Drinking Water (SDWIS) facilities, 42 Clean Water Act NPDES permits, and 4 impaired water dischargers in Yukon-Koyukuk Census Area County, alongside 4 historical FEMA federal disaster declarations (2 flood/storm events).
Does Yukon-Koyukuk County, AK have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Yukon-Koyukuk 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.