A90/100
HAWAII VOLCANOES NAT.PARK — Water Quality Report 2026
Serving 4,201 people · Hawaii
Water Source
Groundwater
County
—
System ID
HI0000146
Violations
3
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.009 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2005.
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 HAWAII VOLCANOES NAT.PARK
Is HAWAII VOLCANOES NAT.PARK water safe to drink?
HAWAII VOLCANOES NAT.PARK water receives a grade of A (90/100), 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 HAWAII VOLCANOES NAT.PARK detected?
31 contaminants were tested in HAWAII VOLCANOES NAT.PARK's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does HAWAII VOLCANOES NAT.PARK have any EPA violations?
Yes, HAWAII VOLCANOES NAT.PARK has 3 EPA violation(s) on record, with the most recent in 2005. Violation types include MCL, MR. 1 are health-based violations.
How many people does HAWAII VOLCANOES NAT.PARK serve?
HAWAII VOLCANOES NAT.PARK serves approximately 4,201 people, Hawaii. The system provides water to 1 community: Hvnp (Dho).
What type of water does HAWAII VOLCANOES NAT.PARK provide?
HAWAII VOLCANOES NAT.PARK sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is HI0000146.
How does HAWAII VOLCANOES NAT.PARK compare to other utilities in Hawaii?
HAWAII VOLCANOES NAT.PARK scores 90/100 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.