M C B H Kaneohe Bay, HI Water Safety: 66/100 (2026)
1 ZIP code · 2 water systems · Updated 2026-06-04
Compared to top-scoring cities in HI, M C B H Kaneohe Bay lands in the middle tier — some water systems meet standards cleanly, others carry documented violations, and performance can vary significantly across service areas.
How M C B H Kaneohe Bay Compares
Data: EPA SDWIS Last verified: 2026-06-04
Water Systems Serving M C B H Kaneohe Bay
Water supply in M C B H Kaneohe Bay, HI follows a divided structure: 2 utilities account for the largest share of residential service out of 2 total systems, each managing its own distribution network and EPA reporting. Because these systems operate independently, rate decisions and compliance outcomes are determined separately.
Overview
We track water quality and home safety data for 1 ZIP code in M C B H Kaneohe Bay, Hawaii (population ~2,436), covering 2 community water systems serving approximately 647,689 people region-wide.
No EPA violations recorded across any ZIP codes in M C B H Kaneohe Bay — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for M C B H Kaneohe Bay: C (66/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
M C B H Kaneohe Bay water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for M C B H Kaneohe Bay
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 3 (Low Risk)
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 96863 | C | HNL-WINDWARD-PEARL HARBOR | 631,389 |
All ZIP Codes in M C B H Kaneohe Bay
- 96863 [C]
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Updated daily.
CDC Health Data for M C B H Kaneohe Bay
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
What You Can Do in M C B H Kaneohe Bay
- Test your water at home. City-level data shows averages — your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
- Install a certified water filter. An NSF-certified pitcher or under-sink filter removes most common contaminants.
- Check your home's plumbing. Homes built before 1986 may have lead solder in pipes. A licensed plumber can assess your risk.
Deep Dive Reports
Detailed analysis for M C B H Kaneohe Bay, HI