Is MARINE CORPS BASE HAWAII's water safe to drink?
MARINE CORPS BASE HAWAII has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 16,300 people get their water from it, across 2,555 connections.
MARINE CORPS BASE HAWAII's record against the rest of the country
Out of 12,903 systems in this dataset, MARINE CORPS BASE HAWAII ranks 8,446th by violation burden (35th percentile) - 7 violations total, 1 health-based.
Against the HI average
MARINE CORPS BASE HAWAII's 1 health-based violations sit within the HI average of 8.4, across 47 systems statewide. See the lead and copper guide for why lead counts differently.
Most recent violation on record
MARINE CORPS BASE HAWAII's most recent violation on record is dated 2022-01-10, with the most recent health-based one dated 2014-01-12. Last reported to EPA: 06/03/2026.
The concern categories on record
MARINE CORPS BASE HAWAII's flagged contaminants and rule violations, grouped by what they actually mean for a filter choice rather than left as EPA's raw code list:
- Microbial contamination / treatment technique - flagged from: Coliform (TCR)
The most severe category on record is microbial contamination / treatment technique, which points toward a microbial-class filter if you want to address it directly.
What MARINE CORPS BASE HAWAII's record does not cover
Everything on this page is MARINE CORPS BASE HAWAII's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. Water quality can still change between the meter and the faucet - household plumbing sits outside what a record of 7 logged violations can see. The guide to what this data misses covers that gap.