Water Quality in Wailuku, HI (96770)

EPA violation data for public water systems serving ZIP code 96770.

No Health-Based Violations

None of the 6 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are4 monitoring/reporting violations (missed testing deadlines), all resolved.

Better than 48% of US ZIP codes.

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

501

Population

6

Water Systems

4

Violations (5yr)

0

Health-Based

Location

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Water Systems Serving This Area (6)

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

Maunaloa-Kaluakoi

Purchased groundwater 1,000 people served
1 violation (5yr)

Kualapuu

Groundwater 500 people served
1 violation (5yr)

Kipu

Purchased groundwater 80 people served
2 violations (5yr)

Contaminants Found

Lead and Copper RuleMonitoring

Lead and copper testing requirement. Lead exposure can cause developmental harm in children.

4 violations
Has active

How Does This Compare?

Wailuku (96770) has more violations than 48% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 4, most of which are monitoring/reporting issues.

Fewer violations 48th percentile More violations

Water Filter Recommendations

No contaminant issues detected. For general protection, a basic carbon filter removes common impurities like chlorine and sediment. Look for NSF/ANSI 42 certified products.

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