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PUBLIC WATER SYSTEM REPORT
Is DOW KALAHEO TREATMENT PLANT Water Safe to Drink in 2026?
Hawaii · PWSID HI0000405 · Surface water
Population served
370
Cities served
KALAHEO
State / jurisdiction
Hawaii (HI)
PWSID
HI0000405
B-
TAP WATER GRADE
Fair
Model score 70/88 from violations, PFAS profile, and monitoring signals — not a laboratory test of your faucet.
12 violation record(s) in the latest EPA SDWA quarterly snapshot
CONTAMINANTS — EPA UCMR5 MONITORING
No UCMR5 PFAS detects on file for this PWS in our bundled national dataset — the system may be smaller than UCMR5 thresholds, had non-detects, or results are not yet linked to this ID. Your retailer Annual Water Quality Report lists other regulated contaminants (chlorine, DBPs, nitrates, etc.).
Official Consumer Confidence Report (CCR)
📋 The official 2026 CCR for DOW KALAHEO TREATMENT PLANT has not yet been published on WaterCheckup.
Are you the water operator for DOW KALAHEO TREATMENT PLANT? Publish your official CCR here for free — your customers are already finding this page.
Residents: Your public water system is required by EPA to publish an annual CCR by July 1st each year. Contact DOW KALAHEO TREATMENT PLANTdirectly to request a copy, or check the EPA's national CCR portal at cfpub.epa.gov/ccr.
VIOLATIONS HISTORY (FEDERAL SNAPSHOT)
EPA’s national SDWA quarterly files associate 12 violation-related records with this system in the same reporting quarter as the public water system snapshot used on WaterCheckup. This is not a complete historical docket — see ECHO and SDWIS for full compliance context.
Based on DOW KALAHEO TREATMENT PLANT's monitoring and violation profile, here are vetted filtration options — same picks framework as our city reports.
Certified Filter Recommendations
Matched to what's actually in your water
TOP PICKS FOR DOW KALAHEO TREATMENT PLANT
⚠ EPA violations / contaminants in monitoring data
WHY THIS FOR DOW KALAHEO TREATMENT PLANT · Chosen for DOW KALAHEO TREATMENT PLANT because the latest federal SDWA snapshot lists substantial violation activity. Certified reverse osmosis provides the broadest residential barrier for households that want margin beyond legal compliance.
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