A87/100
KAPALUA — Water Quality Report 2026
Serving 4,200 people · Hawaii
Water Source
Groundwater
County
—
System ID
HI0000204
Violations
5
Contaminant Test Results
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2013.
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 KAPALUA
Is KAPALUA water safe to drink?
KAPALUA water receives a grade of A (87/100), which is considered excellent. Out of 31 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has KAPALUA detected?
31 contaminants were tested in KAPALUA's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does KAPALUA have any EPA violations?
Yes, KAPALUA has 5 EPA violation(s) on record, with the most recent in 2013. Violation types include MCL, MR, Other. 2 are health-based violations.
How many people does KAPALUA serve?
KAPALUA serves approximately 4,200 people, Hawaii. The system provides water to 1 community: Kapalua (Dho).
What type of water does KAPALUA provide?
KAPALUA sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is HI0000204.
How does KAPALUA compare to other utilities in Hawaii?
KAPALUA scores 87/100 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.