B79/100
JOINT BASE PEARL HARBOR-HICKAM — Water Quality Report 2026
Serving 65,230 people · Hawaii
Water Source
Groundwater
County
—
System ID
HI0000360
Violations
10
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
vanadium | 32.00 µg/L | — | Above Goal |
EPA Violation History
1
Violation (last 5yr)
1
Unresolved
0
Health-Related
TIER 3Unresolved
Violation related to Turbidity
When: November 29, 2021Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
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 JOINT BASE PEARL HARBOR-HICKAM
Is JOINT BASE PEARL HARBOR-HICKAM water safe to drink?
JOINT BASE PEARL HARBOR-HICKAM water receives a grade of B (79/100), which is considered good. Out of 73 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has JOINT BASE PEARL HARBOR-HICKAM detected?
73 contaminants were tested in JOINT BASE PEARL HARBOR-HICKAM's water. Notable contaminants include vanadium. No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does JOINT BASE PEARL HARBOR-HICKAM have any EPA violations?
Yes, JOINT BASE PEARL HARBOR-HICKAM has 10 EPA violation(s) on record, with the most recent in 2021. Violation types include Other, MR, MCL. 2 are health-based violations.
How many people does JOINT BASE PEARL HARBOR-HICKAM serve?
JOINT BASE PEARL HARBOR-HICKAM serves approximately 65,230 people, Hawaii. The system provides water to 1 community: Pearl Harbor.
What type of water does JOINT BASE PEARL HARBOR-HICKAM provide?
JOINT BASE PEARL HARBOR-HICKAM sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is HI0000360.
How does JOINT BASE PEARL HARBOR-HICKAM compare to other utilities in Hawaii?
JOINT BASE PEARL HARBOR-HICKAM scores 79/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Hawaii state page for a full comparison of water systems.