PUBLIC DATA SOURCE: U.S. EPA ECHO, FRS, RCRA, TRI & FEMA NFHL 3,230,651 Regulated Sites • All 50 States • Data as of November 01, 2026
Find My Report Pro Agent Pass Methodology Sample Report
Home › States › Hawaii › Unknown, HI
6-IN-1 MUNICIPAL ENVIRONMENTAL, WATER, SOIL & FLOOD HUB • UNKNOWN, HI

Unknown, Hawaii — Flood Zone, Tap Water Quality, Soil Foundation, Radon & EPA Hazards

Run 1-Mile Address Scan in Unknown →

Public U.S. EPA records track 1,242 regulated facilities in Unknown, Hawaii ( County), including 9 High-Risk sites (0.7%) and 23 active violators. In addition to industrial waste, Unknown properties are screened for Tap Water & Watershed Permits (1,242 systems), USDA Soil Foundation Shrink-Swell (LOW signal), 19 County FEMA Disaster Declarations, and EPA Zone 3 — Low Potential (< 2.0 pCi/L).

Total EPA Sites
1,242
High-Risk (0.7% vs 1.1% State)
9
Active Violators (1.9%)
23
Drinking & Clean Water
1,242
Federal Penalties
$145,100

Unknown, HI 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
County: 19 FEMA Declarations (8 Flood/Storm)
🔒 Exact Parcel Flood Zone (AE / VE / X) & SFHA Insurance Status 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
0 SDWIS Systems • 1,242 NPDES Permits
🔒 484 Impaired Water (303d) & 75 Violation Dockets Locked
Unlock Utility Violation Log →
☢️ EPA Radon & Karst Sinkhole
EPA Zone 3 — Low Potential (< 2.0 pCi/L)
Low / Non-Karst Bedrock Formation
🔒 0.25-Mi Vapor Intrusion Buffer Locked

📊 Unknown, HI Statistical Risk Graphs & Multi-Hazard Telemetry

SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)
1. Municipal Regulatory & Water Program Mix
RCRA Hazardous Waste Generators 1 (0.1%)
Clean Water (NPDES) & Drinking Water (SDWIS) 1,242 (100.0%)
Active EPA Non-Compliance Dockets 23 (1.9%)
High-Risk Enforcement Facilities 9 (0.7%)
2. FEMA NRI & USGS Hazard Index (1–10) Relatively High (98.5/100)
🌊 Flood Exposure 10/10 • Relatively High
🔥 Wildfire Hazard 10/10 • Relatively High
☀️ Extreme Heat 3/10 • No Rating
🌪️ Severe Wind / Storm 7/10 • Relatively Low
🫨 USGS Earthquake 10/10 • Relatively High
3. City vs. County & State Benchmark
Unknown High-Risk Rate 0.7%
County Average 1.1%
Hawaii (HI) Statewide Avg 1.1%
Unlock Street-Level Dossier: Paid report reveals exact facility names, distances in feet, USDA soil LEP %, water table depth, and parcel flood zone.
🔒 Scan a Property Address in Unknown →

ZIP Codes in Unknown, HI

Highest-Scored EPA Regulated Facilities in Unknown, HI

100% of High-Risk & penalized facilities have facility names, street names, and dockets redacted (3 Low-Risk compliant records shown as Free Previews).

Unlock Full Unknown Dossier →
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 • UNKNOWN, HI (ZIP 00000 Sector) HIGH (67/100) Violation Identified (12 qtrs NC) 🔒 Federal Penalty on File • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • UNKNOWN, HI (ZIP 00000 Sector) HIGH (64/100) Resolved / Historical Non-Compliance (4 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked Regulated EPA Enforcement Record #3 🔒 Exact Street & Parcel Redacted • UNKNOWN, HI (ZIP 00000 Sector) MODERATE (57/100) Violation Identified (12 qtrs NC) 🔒 Federal Penalty on File • Unlock →
🔒 Locked Regulated EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • UNKNOWN, HI (ZIP 00000 Sector) MODERATE (55/100) Violation Identified (10 qtrs NC) 🔒 Federal Penalty on File • Unlock →
🔒 Locked Regulated EPA Enforcement Record #5 🔒 Exact Street & Parcel Redacted • UNKNOWN, HI (ZIP 00000 Sector) MODERATE (55/100) Violation Identified (12 qtrs NC) 🔒 Federal Penalty on File • Unlock →
🔒 Locked Regulated EPA Enforcement Record #6 🔒 Exact Street & Parcel Redacted • UNKNOWN, HI (ZIP 00000 Sector) MODERATE (53/100) Violation Identified (1 qtrs NC) 🔒 Federal Penalty on File • Unlock →
🔒 Locked Regulated EPA Enforcement Record #7 🔒 Exact Street & Parcel Redacted • UNKNOWN, HI (ZIP 00000 Sector) MODERATE (45/100) Violation Identified (12 qtrs NC) 🔒 12 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #8 🔒 Exact Street & Parcel Redacted • UNKNOWN, HI (ZIP 00000 Sector) MODERATE (43/100) Violation Identified (1 qtrs NC) 🔒 Federal Penalty on File • Unlock →
YOUNG BROTHERS, LIMITED (3) FREE PREVIEW (LOW RISK) UNKNOWN, UNKNOWN, HI 00000 LOW (25/100) No Violation Identified (0 qtrs NC) $0
🔒 + 1,233 Additional Regulated & Enforcement Records in Unknown, HI Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

Frequently Asked Questions — Unknown, Hawaii Environmental Risk & Radon

How many EPA-regulated facilities are in Unknown, HI?

U.S. EPA records track 1,242 regulated facilities in Unknown, Hawaii, including 9 high-risk sites (0.7%), 23 active violators (1.9%), and 1 RCRA hazardous waste handlers (0.1%).

Which ZIP codes in Unknown, HI have the most EPA-tracked sites?

Within Unknown, regulated facilities are primarily concentrated across local postal codes.

How can I check a specific house or commercial property in Unknown, HI?

Enter the exact street address in Unknown into the FullPropertyReport radius scanner to screen all EPA ECHO, FRS, RCRA, TRI, USDA soil foundation shrink-swell, drinking water (SDWIS), FEMA flood zone, and county radon records within 0.5 to 3.0 miles.

Is tap water safe in Unknown, HI and how many EPA water permits exist?

In Unknown, HI, federal registries track 0 Safe Drinking Water (SDWIS) facilities, 1,242 Clean Water Act NPDES permits, and 484 impaired water body dischargers.

What is the soil foundation risk and FEMA flood disaster history in Unknown, HI?

USDA regional soil screening for Unknown indicates a LOW shrink-swell foundation signal, and County has recorded 19 federal FEMA disaster declarations (8 flood/severe storm declarations). Run an address scan to unlock exact parcel soil LEP %, water table depth, and flood zone.