A97/100
PEPEEKEO — Water Quality Report 2026
Serving 1,450 people · Hawaii
Water Source
Groundwater
County
—
System ID
HI0000106
Violations
0
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.55 mg/L | 1.30 mg/L | Over Limit |
EPA Violation History
No violations in the past 5 years
This system has a clean compliance history.
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 PEPEEKEO
Is PEPEEKEO water safe to drink?
PEPEEKEO water receives a grade of A (97/100), which is considered excellent. Out of 2 contaminants tested, 1 exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has PEPEEKEO detected?
2 contaminants were tested in PEPEEKEO's water. Notable contaminants include Copper (90th percentile). 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).
Does PEPEEKEO have any EPA violations?
No, PEPEEKEO has zero EPA violations on record. This indicates consistent compliance with federal drinking water standards.
How many people does PEPEEKEO serve?
PEPEEKEO serves approximately 1,450 people, Hawaii. The system provides water to 1 community: Pepeekeo.
What type of water does PEPEEKEO provide?
PEPEEKEO sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is HI0000106.
How does PEPEEKEO compare to other utilities in Hawaii?
PEPEEKEO scores 97/100 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.