Water Quality in Wailuku, HI (96793)

EPA violation data for public water systems serving ZIP code 96793.

Past Health-Based Violations

1 health-based violation was found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved.

More violations than 29% of US ZIP codes.

Based on EPA compliance data. Not a substitute for an official water quality report from your utility.

32,739

Population

21

Water Systems

1

Violations (5yr)

1

Health-Based

Location

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Water Systems Serving This Area (21)

Wailuku

Surface water 74,511 people served
0 violations

Makawao

Surface water 29,868 people served
0 violations

Lahaina

Surface water 20,065 people served
0 violations

Upper Kula

Surface water 7,686 people served
0 violations

Kaunakakai

Groundwater 3,702 people served
0 violations

Lower Kula

Surface water 3,522 people served
0 violations

Hana

Groundwater 1,284 people served
0 violations

Ualapue

Groundwater 1,119 people served
0 violations

Kalae

Purchased groundwater 360 people served
0 violations

Keanae

Groundwater 270 people served
0 violations

Kahakuloa Water Co.

Groundwater 150 people served
0 violations

Nahiku

Groundwater 107 people served
0 violations

Maunaolu Plantation

Groundwater 100 people served
0 violations

Consolidated Baseyards

Groundwater 90 people served
0 violations

Kula Nani

Purchased surface water 80 people served
0 violations

Maui Business Park Phase Ii

Groundwater 63 people served
0 violations

West Kuiaha Meadows

Groundwater 60 people served
0 violations

Honokohau

Purchased groundwater 42 people served
0 violations

Villa Rose

1 health-based
Groundwater 30 people served
1 violation (5yr) · 1 health-based · All resolved

Maui Highlands

Groundwater 26 people served
0 violations

Pulehunui Water Association

Groundwater 10 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Contaminants Found

LEAD AND COPPER RULE REVISIONSHealth-Based
1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
0 ppb measured Action level: 15 ppb

Sampled: Jan 2023

How Does This Compare?

Wailuku (96793) has more violations than 29% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 1.

Fewer violations 29th percentile More violations

Recommended Water Filters

Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.

Reverse Osmosis System

Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.

Targets:Lead, Copper, Arsenic, Mercury, Cadmium

Look for:NSF/ANSI 58 certified

Always look for filters certified by NSF International for the specific contaminants you want to remove. This is general educational information, not an endorsement of any specific product.

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