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Denali County, Alaska — Property Hazard, Flood Zone, Soil, Water & EPA Guide

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What Are the Flood, Soil Foundation & EPA Risks in Denali County, AK?

In Denali County, Alaska, public U.S. EPA records track 33 regulated facilities (#46 of 66 in Alaska), including 1 (3.0%) High-Risk sites and $135,563 in federal penalties. Countywide due diligence also covers 5 Safe Drinking Water (SDWIS) facilities, 27 Clean Water NPDES permits, 3 FEMA Federal Disaster Declarations (1 flood/storm), USDA Soil Foundation Shrink-Swell (LOW signal), and EPA Zone 3 — Low Potential (< 2.0 pCi/L).

Total EPA Sites (#46/66)
33
High-Risk (3.0% vs 2.0% State)
1
Active Violators (9.1%)
3
Drinking & Clean Water
32
Federal Penalties
$135,563

Denali 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
🌊 Flood Zone & FEMA Disaster History
3 County FEMA Declarations (1 Flood/Storm)
🔒 Exact Parcel Flood Zone (AE / VE / X) & SFHA Insurance Requirement Locked
Check Property Flood Zone →
🪨 USDA Soil, Foundation & Water Table
Shrink-Swell Risk Signal: LOW • Pipe Corrosion: Moderate
🔒 Exact USDA Soil Series, Linear Extensibility (LEP %) & Water Table Depth (ft) Locked
Unlock Parcel Soil Test →
🚰 Tap Water (SDWIS) & PFAS Check
5 SDWIS Systems • 27 NPDES Permits
🔒 0 Impaired Water (303d) & 5 Violation Dockets Locked
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☢️ EPA Radon & Karst Sinkhole
EPA Zone 3 — Low Potential (< 2.0 pCi/L)
Low / Non-Karst Bedrock & Alluvial Formation
🔒 0.25-Mi Vapor Intrusion Buffer Locked

📊 Denali County, AK Statistical Risk Graphs & Multi-Hazard Telemetry

SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)
1. County Regulatory & Water Program Mix
RCRA Hazardous Waste Generators 3 (9.1%)
Clean Water (NPDES) & Drinking Water (SDWIS) 32 (97.0%)
Active EPA Non-Compliance Dockets 3 (9.1%)
High-Risk Enforcement Facilities 1 (3.0%)
2. FEMA NRI & USGS Hazard Index (1–10) Very Low (28.3/100)
🌊 Flood Exposure 1/10 • Very Low Hazard
🔥 Wildfire Hazard 3/10 • Low Hazard
☀️ Extreme Heat 3/10 • Insufficient Data
🌪️ Severe Wind / Storm 1/10 • Very Low Hazard
🫨 USGS Earthquake 3/10 • Low Hazard
3. County vs. State & National Benchmark
Denali County High-Risk % 3.0%
Alaska (AK) Statewide Avg 2.0%
U.S. National EPA Baseline 3.6%
Unlock Street-Level Dossier: Full report reveals unredacted facility names, distances in feet, exact USDA soil LEP %, water table depth, and parcel flood zone.
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ZIP Codes in Denali County

99743 — Healy (55)

Top EPA Regulated Facilities in Denali 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).

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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 • HEALY, AK (ZIP 99743 Sector) HIGH (81/100) Violation Identified (12 qtrs NC) 🔒 $100,000+ Federal Fine • Unlock →
🔒 Locked Regulated EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • HEALY, AK (ZIP 99743 Sector) MODERATE (39/100) Violation Identified (12 qtrs NC) 🔒 12 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #3 🔒 Exact Street & Parcel Redacted • KANTISHNA, AK (ZIP 00000 Sector) MODERATE (38/100) Violation Identified (11 qtrs NC) 🔒 11 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • CLEAR, AK (ZIP 99704 Sector) MODERATE (30/100) Resolved / Historical Non-Compliance (1 qtrs NC) 🔒 1 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #5 🔒 Exact Street & Parcel Redacted • , AK (ZIP Sector) MODERATE (24/100) Resolved / Historical Non-Compliance (6 qtrs NC) 🔒 6 Qtrs Non-Compliance • Unlock →
USDOI NPS DENALI NP KANTISHNA FREE PREVIEW (LOW RISK) PARK RD 90MI W OF GEORGE PARKS, DENALI NATIONAL PARK, AK 99755 LOW (16/100) No Violation Identified (0 qtrs NC) $0
DENALI PARK AND PRESERVE FREE PREVIEW (LOW RISK) MILE 237.8 GEORGE PARKS HIGHWAY, DENALI NATIONAL PARK, AK 99755 LOW (13/100) No Violation Identified (0 qtrs NC) $0
REPLACE GHIGLIONE BRIDGE AK PRA DENA 10(36) FREE PREVIEW (LOW RISK) DENALI NATIONAL PARK MP 42, HEALY, AK 99743 LOW (13/100) No Violation Identified (0 qtrs NC) $0
REPAVE DENALI PARK ROAD MP 0 TO 3.4, AK PRA DENA 10(35) FREE PREVIEW (LOW RISK) DENALI NATIONAL PARK AND PRESERVE, HEALY, DENALI BOROUGH, AK 99743 LOW (13/100) No Violation Identified (0 qtrs NC) $0
🔒 Locked Regulated EPA Enforcement Record #6 🔒 Exact Street & Parcel Redacted • MCKINLEY PARK, AK (ZIP 99755 Sector) LOW (13/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #7 🔒 Exact Street & Parcel Redacted • DENALI NATIONAL PARK AND PRESERVE, AK (ZIP 99755 Sector) LOW (12/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 Locked Regulated EPA Enforcement Record #8 🔒 Exact Street & Parcel Redacted • DENALI BOROUGH, AK (ZIP 99755 Sector) LOW (12/100) No Violation Identified (0 qtrs NC) 🔒 Active Permit Dossier • Unlock →
🔒 + 21 Additional Regulated & Enforcement Records in Denali County Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

Frequently Asked Questions — Denali County, Alaska Environmental Due Diligence

How many EPA-regulated environmental sites are in Denali Borough County, Alaska?

Public U.S. EPA records track 33 regulated facilities in Denali Borough County, Alaska (ranking #46 of 66 jurisdictions in AK). Of those, 1 (3.0%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 3 (9.1%) have active non-compliance quarters.

Which ZIP codes and cities in Denali Borough County have the highest regulated facility density?

Within Denali Borough County, the highest concentrations of EPA-tracked facilities are located in ZIP 99743 (Healy, 55 sites), spanning municipal corridors including Healy (51 sites), Denali Park (5 sites), Kantishna (1 sites).

How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Denali Borough County?

Across Denali Borough County, 3 facilities (9.1% 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 Denali Borough County, AK?

Geologic indoor air screening places Denali 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 Denali Borough County, AK?

Federal records track 5 Safe Drinking Water (SDWIS) facilities, 27 Clean Water Act NPDES permits, and 0 impaired water dischargers in Denali Borough County, alongside 3 historical FEMA federal disaster declarations (1 flood/storm events).

Does Denali County, AK have expansive clay soil or foundation risk?

USDA regional soil engineering screening for Denali County indicates a LOW 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.

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