A82/100
KAUNAKAKAI — Water Quality Report 2026
Serving 3,702 people · Hawaii
Water Source
Groundwater
County
—
System ID
HI0000234
Violations
11
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | < 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2008.
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About KAUNAKAKAI
Is KAUNAKAKAI water safe to drink?
KAUNAKAKAI water receives a grade of A (82/100), which is considered excellent. Out of 31 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has KAUNAKAKAI detected?
31 contaminants were tested in KAUNAKAKAI's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does KAUNAKAKAI have any EPA violations?
Yes, KAUNAKAKAI has 11 EPA violation(s) on record, with the most recent in 2008. Violation types include MR, MCL, Other. 1 are health-based violations.
How many people does KAUNAKAKAI serve?
KAUNAKAKAI serves approximately 3,702 people, Hawaii. The system provides water to 1 community: Kaunakakai.
What type of water does KAUNAKAKAI provide?
KAUNAKAKAI sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is HI0000234.
How does KAUNAKAKAI compare to other utilities in Hawaii?
KAUNAKAKAI scores 82/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Hawaii state page for a full comparison of water systems.