Hawaii County, Hawaii — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
In Hawaii County, Hawaii, public U.S. EPA records track 195 regulated facilities (#6 of 9 in Hawaii), including 6 (3.1%) High-Risk sites and $160,710 in federal penalties. Countywide due diligence also covers 0 Safe Drinking Water (SDWIS) facilities, 165 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 01, 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 • HILO, HI (ZIP 96720 Sector) | HIGH (72/100) | Significant Violation (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked High-Risk EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • HILO, HI (ZIP 96720 Sector) | HIGH (64/100) | No Violation Identified (0 qtrs NC) | 🔒 $100,000+ Federal Fine • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • KAILUA-KONA, HI (ZIP 96740 Sector) | MODERATE (59/100) | Violation Identified (11 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • KAILUA-KONA, HI (ZIP 96740 Sector) | MODERATE (56/100) | Violation Identified (11 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • KAILUA-KONA, HI (ZIP 96740 Sector) | MODERATE (55/100) | Violation Identified (11 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • HILO, HI (ZIP 96720 Sector) | MODERATE (53/100) | Violation Identified (11 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • HILO, HI (ZIP 96720 Sector) | MODERATE (45/100) | Violation Identified (12 qtrs NC) | 🔒 12 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • HILO, HI (ZIP 96720 Sector) | MODERATE (34/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| SYSCO HAWAII - BIG ISLAND FREE PREVIEW (LOW RISK) | 215 RAILROAD ROAD, HILO, HI 96720 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| HPHA AT KAIMALINO FREE PREVIEW (LOW RISK) | 74-5060 KEALAKAA STREET, KAILUA-KONA, HI 96740 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| DEPARTMENT OF TRANSPORTATION CDL TEST SITE FREE PREVIEW (LOW RISK) | NORTH WEST CORNER OF QUEEN KAAHUMANU AND KELAKEHE, KAILUA-KONA, HI 96740 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| 69-1550 PUAKO BEACH DRIVE FREE PREVIEW (LOW RISK) | 69-1550 PUAKO BEACH DRIVE, WAIMEA, HI 96743 | LOW (19/100) | 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 County, Hawaii?
Public U.S. EPA records track 195 regulated facilities in Hawaii County County, Hawaii (ranking #6 of 9 jurisdictions in HI). Of those, 6 (3.1%) are classified in the High-Risk tier due to significant enforcement or chemical release history, and 10 (5.1%) have active non-compliance quarters.
Which ZIP codes and cities in Hawaii County County have the highest regulated facility density?
Within Hawaii County County, the highest concentrations of EPA-tracked facilities are located in ZIP 96743 (Waimea, 160 sites), ZIP 96704 (Captain Cook, 12 sites), ZIP 96774 (Ookala, 8 sites), spanning municipal corridors including Waimea (76 sites), Captain Cook (10 sites), Ookala (8 sites).
How many hazardous waste (RCRA) and toxic release (TRI) handlers operate in Hawaii County County?
Across Hawaii County County, 9 facilities (4.6% 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 County, HI?
Geologic indoor air screening places Hawaii County 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 County, HI?
Federal records track 0 Safe Drinking Water (SDWIS) facilities, 165 Clean Water Act NPDES permits, and 79 impaired water dischargers in Hawaii County 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.