M C B H Kaneohe Bay, HI Water Safety: 66/100 (2026)
1 ZIP code · 2 water systems · Updated 2026-07-19
ZipCheckup grade for M C B H Kaneohe Bay: C.
A mixed picture - some signals here are worth your attention.
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: 2026-07-19
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.
- C
- C
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 are recorded for the tracked water systems in M C B H Kaneohe Bay as of the latest reporting period.
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