A91/100
LIHUE-KAPAA — Water Quality Report 2026
Serving 34,854 people · Hawaii
Water Source
Surface Water
County
—
System ID
HI0000400
Violations
9
Contaminant Test Results
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2018.
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 LIHUE-KAPAA
Is LIHUE-KAPAA water safe to drink?
LIHUE-KAPAA water receives a grade of A (91/100), which is considered excellent. Out of 69 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has LIHUE-KAPAA detected?
69 contaminants were tested in LIHUE-KAPAA's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does LIHUE-KAPAA have any EPA violations?
Yes, LIHUE-KAPAA has 9 EPA violation(s) on record, with the most recent in 2018. Violation types include MR.
How many people does LIHUE-KAPAA serve?
LIHUE-KAPAA serves approximately 34,854 people, Hawaii. The system provides water to 1 community: Lihue-Kapaa.
What type of water does LIHUE-KAPAA provide?
LIHUE-KAPAA sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is HI0000400.
How does LIHUE-KAPAA compare to other utilities in Hawaii?
LIHUE-KAPAA scores 91/100 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.