TapGraded
A

MARINE CORPS BASE HAWAII

Kaneohe Bay, HI · 16,300 served

MARINE CORPS BASE HAWAII serves 16,300 people in Kaneohe Bay, HI. It has 0 health-based violations in the last 5 years. TapGraded gives this system an A.

Score breakdown

Health-based violations (5y)

0

Monitoring violations (5y)

3

Currently unaddressed

0

Overall score

94/100

Violation history (last 5 years)

2021
2022
Health-based Monitoring / reporting

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Lead (Lead and Copper Rule)

EPA's current lead action level is 15 ppb (dropping to 10 ppb in 2027 under the Lead and Copper Rule Improvements).

90th-percentile lead sample 0 ppb
0 ppb EPA action level: 15 ppb

PFAS (UCMR5 occurrence data)

PFOA (not detected) 0 ppt
0 ppt EPA MCL: 4 ppt
HFPO-DA (not detected) 0 ppt
0 ppt EPA MCL: 10 ppt
PFHxS (not detected) 0 ppt
0 ppt EPA MCL: 10 ppt
PFNA (not detected) 0 ppt
0 ppt EPA MCL: 10 ppt
PFOS (not detected) 0 ppt
0 ppt EPA MCL: 4 ppt

System details

System type
Community water system
Water source
Ground water purchased from another system
Ownership
Federal government
Service connections
2,555

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Frequently asked questions

Is Kaneohe Bay, HI tap water safe to drink?

MARINE CORPS BASE HAWAII has 0 health-based violations in the last 5 years. TapGraded gives this system an A.

Does MARINE CORPS BASE HAWAII have lead in its water?

The most recent 90th-percentile lead sample is 0 ppb, versus the EPA action level of 15 ppb.

Has PFAS been detected in MARINE CORPS BASE HAWAII's water?

This system was tested under UCMR5 and no PFAS was detected above the reporting limit in the analytes we track.

Source: EPA SDWIS/ECHO · Data as of 2026Q2