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Public Water System
OOKALA (DWS)
PWSID HI0000104 · Hawaii · 264 people served
A
ExcellentOOKALA (DWS) is an EPA-regulated public water system in Hawaii (PWSID HI0000104). It serves an estimated 264 residents — a rural community of customers — across 1 community across 1 ZIP code.
OOKALA (DWS) has maintained full EPA Safe Drinking Water Act compliance over the most recent five-year reporting window. No health-based Maximum Contaminant Level (MCL) exceedances are on record. The grade of A reflects this clean compliance history.
Service Area
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Centered on the averaged ZIP-code centroid of 1 ZIP served.
Population
264
Cities
1
ZIPs
1
Violations
0
EPA Health-Based Violations
Health-based Maximum Contaminant Level (MCL) violations on file for OOKALA (DWS) over the past five years of EPA SDWIS reporting.
✅
No health-based violations in the last 5 years.
OOKALA (DWS)'s water systems have met EPA health-based Maximum Contaminant Level (MCL) requirements throughout the EPA reporting window. This does not mean zero detection of regulated contaminants — it means all measured concentrations remained below their federal action levels.
Cities Served by OOKALA (DWS)
ZIP Codes Served
About this system
EPA records this system as PWSID HI0000104. Data reflects the most recent EPA SDWIS publication as of 2026-05-18. Public Water System Identifiers (PWSIDs) are assigned by the EPA's Safe Drinking Water Act program to track every regulated water utility in the United States. The first two letters typically indicate the state primacy agency. For real-time water quality information, contact OOKALA (DWS) directly or review their annual Consumer Confidence Report (CCR).
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