CITY REPORT HI

Kahului, HI Home Safety: Home Safety 100/100

2 ZIP codes · 1 water system · Updated

ZipCheckup grade for Kahului: A.

Checked records flag no major concern; missing data is unknown.

Looking at federal compliance records for Kahului, HI: the city earns a grade in the top two bands here, and each serving system's violation history can be reviewed individually for what lies behind it.

How Kahului Compares

Kahului100/100
Hawaii avg100/100
National avg73/100

Data: EPA SDWIS

2
ZIP Codes
1
Water Systems
0
ZIPs Linked to Systems with Violations
A · 100
Avg Safety Score
Zone 3
County Radon Potential (Low)
$833K
Median Home Value

Water Systems Serving Kahului

Public water system records for Kahului, HI point to a single listed provider, drawn from 1 system in the federal data; its violation record appears below.

Overview

We track home safety data for 2 ZIP codes in Kahului, Hawaii (population ~25,889), covering 1 community water system serving approximately 74,511 people region-wide. The EPA snapshots used for this build directly map water systems to 1 of 2 ZIP codes.

The available EPA record reports 0 violations for 1 ZIP code with a reported violation count.

Home Safety Score

Average Home Safety Score for Kahului: A (100/100)

Model 4.0.0 uses four measured components across three equally weighted domains. If a required domain is unavailable, no score is published:

Factor What It Measures
Water Quality EPA violations and compliance history
PFAS MCL Screen UCMR 5 testing against the covered federal MCLs
Radon Risk EPA radon zone classification
Annual AQI EPA AirData county-year median with at least 90 observed days

Water Sources

Kahului water systems draw from: Surface water.

Lead & Copper

  • Average of reported 90th-percentile lead results: reported as 0 mg/L (a reported 0 is not proof of no lead; check the source record for its reporting limit) (EPA action level: 0.015 mg/L)
  • 0 of 1 ZIP code with known status exceed the EPA lead action level

Radon Risk

2 of 2 ZIP records with known zones are in EPA Radon Zone 3.

The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.

Areas with No Violations

ZIP Code Safety Score System Population
96732 A Wailuku 74,511

All ZIP Codes in Kahului

Data Sources

Reporting periods vary by source. Missing data is shown as unavailable, not as zero.

CDC Health Data for Kahului

10.3%
Asthma (US: 9.8%)
12.2%
Diabetes (US: 10.4%)
14.9%
Poor Mental Health (US: 14.8%)

Source: CDC PLACES (County-level estimates). County health indicators are shown for context only and are not linked to this area's water records.

Compared to National Average

Asthma 10.3% ↑
Diabetes 12.2% ↑
Mental Health 14.9% ↑

Vertical line = national average. ■ Above national · ■ Below national

Historical Flood-Claim Evidence for Kahului

20
Total FEMA Flood Claims
$13,836
Avg Reported Sum With Payment Data
0%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Kahului contains 20 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $13,836. Among ZIP codes with claim records, 0% have an A- or V-family dominant rated zone recorded in those historical claims. This is not a complete current FEMA property-map inventory.

How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure.

Claim count does not establish current property risk. Check the exact address in FEMA's current map and obtain a property-specific insurance quote when relevant.

Source: historical FEMA National Flood Insurance Program (NFIP) claim records. No current FEMA property-map designation is asserted.

Frequently Asked Questions

What does the Home Safety Score mean for Kahului, HI?
Kahului has an average Home Safety Score of 100/100 (Grade A) under ZipCheckup model 4.0.0, an area-level model that draws on EPA water compliance records, PFAS screening, EPA radon zones, and annual EPA air quality data; see the methodology page for how inputs and coverage are handled. The available EPA record reports no violations for ZIP codes with reported counts. Check individual ZIP code reports for component details.
How does Kahului compare to Hawaii average?
Kahului has an average Home Safety Score of 100/100, which is at or above the Hawaii state average of 100/100 for the same model series.
How many water systems serve Kahului?
Our records map 1 water system to 2 ZIP codes in Kahului. The related population figure in our data is approximately 25,889 people; it is not a count of people served citywide.
Home → Cities → Hawaii → Kahului, HI

How to cite this page

APA ZipCheckup. (2026). Kahului, HI Home Safety: Home Safety 100/100. https://zipcheckup.com/cities/hi/kahului/
BibTeX
@misc{zipcheckup-cities-hi-kahului,
  author = {{ZipCheckup}},
  title  = {{Kahului, HI Home Safety: Home Safety 100/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/hi/kahului/}
}

Page version: October 2026.

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