ZIP 96789 (Mililani, HI) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards
ZIP code 96789 in Mililani, Hawaii (Honolulu County) has 76 EPA-tracked facilities, including 0 High-Risk sites (0.0%), 1 active violators, and $4,673 in federal penalties. Beyond industrial pollution, properties in ZIP 96789 are screened across 5 historical Honolulu County FEMA disasters, USDA Soil Foundation Shrink-Swell (LOW signal), Tap Water & Watershed Permits (54), and EPA Zone 3 — Low Potential (< 2.0 pCi/L).
ZIP 96789 (Mililani, HI) 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals
🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan📊 ZIP 96789 (Mililani, HI) Statistical Risk Graphs & Multi-Hazard Telemetry
SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)ZIP 96789 Sector Screening Map (High-Risk Pin Coordinates Locked)
Exact street pins for 0 High-Risk and 1 Active Violation sites are redacted on public directory maps.
Regulated EPA Facilities in ZIP 96789 (Mililani, 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 Score (0–100) | Compliance Status | Enforcement / Unlock |
|---|---|---|---|---|
| 🔒 Locked Regulated EPA Enforcement Record #1 | 🔒 Exact Street & Parcel Redacted • MILILANI, HI (ZIP 96789 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #2 | 🔒 Exact Street & Parcel Redacted • MILILANI, HI (ZIP 96789 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Federal Penalty on File • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #3 | 🔒 Exact Street & Parcel Redacted • MILILANI, HI (ZIP 96789 Sector) | MODERATE (30/100) | Resolved / Historical Non-Compliance (3 qtrs NC) | 🔒 3 Qtrs Non-Compliance • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #4 | 🔒 Exact Street & Parcel Redacted • MILILANI, HI (ZIP 96789 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #5 | 🔒 Exact Street & Parcel Redacted • MILILANI, HI (ZIP 96789 Sector) | MODERATE (30/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| IR H-2 REHAB, WAIPIO I.C. & MILILANI I.C. ON/OFF RAMPS, KA UKA BLVD & MEHEULA PK FREE PREVIEW (LOW RISK) | H-2 FREEWAY AT WAIPIO I.C. AND MILILANI I.C. AND K, MILILANI, HI 96789 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| WAIHONU NORTH SOLAR FREE PREVIEW (LOW RISK) | 95-030 WAIHONU STREET, MILILANI, HI 96789 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| 95-250 KAPANOE PLACE FREE PREVIEW (LOW RISK) | 95-250 KAPANOE PLACE, MILILANI, HI 96789 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| PODS HAWAII FREE PREVIEW (LOW RISK) | 799 KAHELU AVENUE, MILILANI, HI 96789 | LOW (19/100) | No Violation Identified (0 qtrs NC) | $0 |
| 🔒 Locked Regulated EPA Enforcement Record #6 | 🔒 Exact Street & Parcel Redacted • MILILANI, HI (ZIP 96789 Sector) | LOW (18/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #7 | 🔒 Exact Street & Parcel Redacted • MILILANI, HI (ZIP 96789 Sector) | LOW (18/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
| 🔒 Locked Regulated EPA Enforcement Record #8 | 🔒 Exact Street & Parcel Redacted • MILILANI, HI (ZIP 96789 Sector) | LOW (18/100) | No Violation Identified (0 qtrs NC) | 🔒 Active Permit Dossier • Unlock → |
Frequently Asked Questions — ZIP 96789 (Mililani, HI) EPA Dataset & Radon
DATASET: U.S. EPA ECHO • FRS • RCRAInfo • TRI (November 01, 2026)How many EPA-tracked environmental sites are in ZIP code 96789 (Mililani, HI)?
ZIP code 96789 (Mililani, HI) contains 76 EPA-tracked facilities, of which 0 (0.0%) are classified in the High-Risk tier, 1 (1.3%) have active compliance violations, and 17 (22.4%) handle RCRA hazardous waste.
How does ZIP 96789 compare to Honolulu County and Hawaii averages?
In ZIP 96789, 0.0% of regulated sites are rated High Risk, compared to 0.6% across Honolulu County and 1.1% statewide in Hawaii.
What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 96789?
Geologic screening places ZIP 96789 in EPA Zone 3 — Low Potential (< 2.0 pCi/L). Property buyers should screen a 0.25-mile immediate buffer for vapor-intrusion sources and a 1.0-mile radius for CERCLA/RCRA sites.
Is ZIP 96789 (Mililani, HI) in a FEMA flood zone and what is the flood disaster history?
Honolulu County has recorded 5 historical FEMA federal disaster declarations (4 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 96789 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.
Does ZIP 96789 have expansive clay soil, foundation problems, or drinking water violations?
USDA regional soil screening for ZIP 96789 indicates a LOW shrink-swell risk signal. Within ZIP 96789, federal registries track 1 SDWIS drinking water facilities, 53 Clean Water NPDES permits, and 28 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.