Hanamaulu, HI Water Safety: 66/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
Hanamaulu lands near the HI median for water safety — compliance results are mixed, and the city's middle-grade standing reflects genuine variability across service areas rather than one problem driving the whole picture.
How Hanamaulu Compares
Data: EPA SDWIS Last verified: 2026-06-03
Water Systems Serving Hanamaulu
As of current federal records, Hanamaulu, HI is served primarily by one water utility among 1 tracked system. That single provider handles infrastructure investment, rate adjustments, and regulatory reporting under EPA oversight.
Overview
We track water quality and home safety data for 1 ZIP code in Hanamaulu, Hawaii, covering 1 community water system serving approximately 34,854 people.
No EPA violations recorded across any ZIP codes in Hanamaulu — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Hanamaulu: 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
Hanamaulu water systems draw from: Surface water.
Lead & Copper
- Lead data: not yet available for Hanamaulu
- 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 |
|---|---|---|---|
| 96715 | C | LIHUE-KAPAA | 34,854 |
All ZIP Codes in Hanamaulu
- 96715 [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 Hanamaulu
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 Hanamaulu
- 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 Hanamaulu, HI