Hawaii County, Hawaii — Property Hazard, Flood Zone, Soil, Water & EPA Guide
What Are the Flood, Soil Foundation & EPA Risks in Hawaii County, HI?
In Hawaii County, Hawaii, public U.S. EPA records track 1,156 regulated facilities (#2 of 9 in Hawaii), including 8 (0.7%) High-Risk sites and $570,270 in federal penalties. Countywide due diligence also covers 37 Safe Drinking Water (SDWIS) facilities, 886 Clean Water NPDES permits, 10 FEMA Federal Disaster Declarations (4 flood/storm), USDA Soil Foundation Shrink-Swell (LOW signal), and EPA Zone 3 — Low Potential (< 2.0 pCi/L).
Hawaii County, HI 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 Hawaii County, HI Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 05, 2026)Municipalities in Hawaii County
ZIP Codes in Hawaii County
Top EPA Regulated Facilities in Hawaii County, HI
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 • KEAAU, HI (ZIP 96749 Sector) | HIGH (82/100) | Significant Violation (8 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • KAILUA KONA, HI (ZIP 96740 Sector) | HIGH (70/100) | Violation Identified (3 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • HILO, HI (ZIP 96720 Sector) | HIGH (67/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • KAILUA KONA, HI (ZIP 96740 Sector) | HIGH (65/100) | Violation Identified (2 qtrs NC) | 🔒 $10,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • KEAAU, HI (ZIP 96749 Sector) | MODERATE (47/100) | No Violation Identified (0 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • HILO, HI (ZIP 96720 Sector) | MODERATE (39/100) | Violation Identified (6 qtrs NC) | 🔒 6 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • KAILUA KONA, HI (ZIP 96740 Sector) | MODERATE (36/100) | Violation Identified (11 qtrs NC) | 🔒 11 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • HILO, HI (ZIP 96720 Sector) | MODERATE (36/100) | Resolved / Historical Non-Compliance (3 qtrs NC) | 🔒 3 Qtrs Non-Compliance • Unlock → |
| KONA INTERNATIONAL AIRPORT AIR TRAFFIC CONTROL TOWER (ATCT) & BASE BUILDING KONA FREE PREVIEW (LOW RISK) | 73-200 KUPIPI ST, KAILUA KONA, HI 96740 | LOW (24/100) | No Violation Identified (0 qtrs NC) | $0 |
| HAWAII HEALTH SYSTEM CORPORATIONS/HILO MEDICAL CENTER FREE PREVIEW (LOW RISK) | 1190 WAIANUENUE AVENUE, HILO, HI 96720 | LOW (23/100) | No Violation Identified (0 qtrs NC) | $0 |
| PUNA GEOTHERMAL VENTURE FREE PREVIEW (LOW RISK) | 14-3860 KAPOHO PAHOA RD, PAHOA, HI 96778 | LOW (18/100) | No Violation Identified (0 qtrs NC) | $0 |
| I C I DULUX PAINT CENTER FREE PREVIEW (LOW RISK) | 18 POHAKU ST STE A, HILO, HI 96720 | LOW (17/100) | No Violation Identified (0 qtrs NC) | $0 |
Frequently Asked Questions — Hawaii County, Hawaii Environmental Due Diligence
How many EPA-regulated environmental sites are in Hawaii County, Hawaii?
Public U.S. EPA records track 1,156 regulated facilities in Hawaii County, Hawaii (ranking #2 of 9 jurisdictions in HI). Of those, 8 (0.7%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 16 (1.4%) have active non-compliance quarters.
Which ZIP codes and cities in Hawaii County have the highest regulated facility density?
Within Hawaii County, the highest concentrations of EPA-tracked facilities are located in ZIP 96720 (Hilo, 431 sites), ZIP 96740 (Kona, 276 sites), ZIP 96749 (Keaau, 62 sites), spanning municipal corridors including Hilo (442 sites), Kailua-Kona (172 sites), Kamuela (70 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Hawaii County?
Across Hawaii County, 360 facilities (31.1% 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 Hawaii County, HI?
Geologic indoor air screening places Hawaii 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 Hawaii County, HI?
Federal records track 37 Safe Drinking Water (SDWIS) facilities, 886 Clean Water Act NPDES permits, and 344 impaired water dischargers in Hawaii County, alongside 10 historical FEMA federal disaster declarations (4 flood/storm events).
Does Hawaii County, HI have expansive clay soil or foundation risk?
USDA regional soil engineering screening for Hawaii 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.