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Hnl-Windward-Pearl Harbor

Published drinking-water records and contacts for Hnl-Windward-Pearl Harbor. System HI0000331. Review sources and dates; not a real-time water assessment.

System ID
HI0000331
State or territory
HI
Published population served
631389
System type (source code)
CWS

Published records and dates

Missing records here do not mean the provider did not test. Published records are not a real-time assessment of your tap water.

Read the provider’s annual water quality report

Report link listed: 2026-10-07. This is not the report’s sampling date.

Published testing results

Selected recent records are shown below. Different sampling locations and dates are not interchangeable. These excerpts are not a complete testing history.

“<” means below the stated reporting limit, not zero. A reported measurement alone is not a safety verdict. Read an example

EPA UCMR 5 — most recent imported sample per substance
SubstancePublished resultReporting limitSample dateSampling location
11Cl-PF3OUdS< 0.005 µg/L0.005 µg/L2025-12-11Punaluu Wells 3 / 331PUNALUUWELLSIII
4:2 FTS< 0.003 µg/L0.003 µg/L2025-12-11Punaluu Wells 3 / 331PUNALUUWELLSIII
6:2 FTS< 0.005 µg/L0.005 µg/L2025-12-11Punaluu Wells 3 / 331PUNALUUWELLSIII
8:2 FTS< 0.005 µg/L0.005 µg/L2025-12-11Punaluu Wells 3 / 331PUNALUUWELLSIII
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2025-12-11Punaluu Wells 3 / 331PUNALUUWELLSIII
ADONA< 0.003 µg/L0.003 µg/L2025-12-11Punaluu Wells 3 / 331PUNALUUWELLSIII
HFPO-DA< 0.005 µg/L0.005 µg/L2025-12-11Punaluu Wells 3 / 331PUNALUUWELLSIII
NEtFOSAA< 0.005 µg/L0.005 µg/L2025-12-11Punaluu Wells 3 / 331PUNALUUWELLSIII
NFDHA< 0.02 µg/L0.02 µg/L2025-12-11Punaluu Wells 3 / 331PUNALUUWELLSIII
NMeFOSAA< 0.006 µg/L0.006 µg/L2025-12-11Punaluu Wells 3 / 331PUNALUUWELLSIII
PFBA< 0.005 µg/L0.005 µg/L2025-12-11Punaluu Wells 3 / 331PUNALUUWELLSIII
PFBS< 0.003 µg/L0.003 µg/L2025-12-11Punaluu Wells 3 / 331PUNALUUWELLSIII
PFDA< 0.003 µg/L0.003 µg/L2025-12-11Punaluu Wells 3 / 331PUNALUUWELLSIII
PFDoA< 0.003 µg/L0.003 µg/L2025-12-11Punaluu Wells 3 / 331PUNALUUWELLSIII
PFEESA< 0.003 µg/L0.003 µg/L2025-12-11Punaluu Wells 3 / 331PUNALUUWELLSIII
PFHpA< 0.003 µg/L0.003 µg/L2025-12-11Punaluu Wells 3 / 331PUNALUUWELLSIII
PFHpS< 0.003 µg/L0.003 µg/L2025-12-11Punaluu Wells 3 / 331PUNALUUWELLSIII
PFHxA< 0.003 µg/L0.003 µg/L2025-12-11Punaluu Wells 3 / 331PUNALUUWELLSIII
PFHxS< 0.003 µg/L0.003 µg/L2025-12-11Punaluu Wells 3 / 331PUNALUUWELLSIII
PFMBA< 0.003 µg/L0.003 µg/L2025-12-11Punaluu Wells 3 / 331PUNALUUWELLSIII
PFMPA< 0.004 µg/L0.004 µg/L2025-12-11Punaluu Wells 3 / 331PUNALUUWELLSIII
PFNA< 0.004 µg/L0.004 µg/L2025-12-11Punaluu Wells 3 / 331PUNALUUWELLSIII
PFOA< 0.004 µg/L0.004 µg/L2025-12-11Punaluu Wells 3 / 331PUNALUUWELLSIII
PFOS< 0.004 µg/L0.004 µg/L2025-12-11Punaluu Wells 3 / 331PUNALUUWELLSIII
PFPeA< 0.003 µg/L0.003 µg/L2025-12-11Punaluu Wells 3 / 331PUNALUUWELLSIII
PFPeS< 0.004 µg/L0.004 µg/L2025-12-11Punaluu Wells 3 / 331PUNALUUWELLSIII
PFTA< 0.008 µg/L0.008 µg/L2025-12-11Punaluu Wells 3 / 331PUNALUUWELLSIII
PFTrDA< 0.007 µg/L0.007 µg/L2025-12-11Punaluu Wells 3 / 331PUNALUUWELLSIII
PFUnA< 0.002 µg/L0.002 µg/L2025-12-11Punaluu Wells 3 / 331PUNALUUWELLSIII
lithium< 9 µg/L9 µg/L2025-12-11Punaluu Wells 3 / 331PUNALUUWELLSIII

Download all EPA UCMR 5 records (CSV)

Lead and copper: 90th-percentile summaries

These describe a monitoring period across sampled locations, not the result at your home. How to read the 90th percentile

Eight most recent imported monitoring summaries
SubstancePublished 90th percentileMonitoring periodSource quarter
Lead (PB90) 0 mg/L2016-01-01 – 2018-12-312026Q3
Lead (PB90) 0 mg/L2015-01-01 – 2015-12-312026Q3
Lead (PB90) 0 mg/L2014-01-01 – 2014-12-312026Q3
Lead (PB90) 0.00092 mg/L2013-01-01 – 2013-06-302026Q3
Lead (PB90) 0.00098 mg/L2012-07-01 – 2012-12-312026Q3
Lead (PB90) 0.0016 mg/L2007-01-01 – 2009-12-312026Q3
Lead (PB90) 0.0012 mg/L2004-01-01 – 2006-12-312026Q3
Lead (PB90) 0 mg/L2001-01-01 – 2003-12-312026Q3

Published compliance history

0 imported records. Status is as recorded in the source; historical records are not current advisories. Missing records do not establish that no violations occurred.

Source dates and refresh checks

A refresh check is not a sample date. Publication periods, sample dates and checks are shown separately.

Administrative contact (EPA filing)

Kawata, Erwin: 808-748-5080

An administrative filing contact may not be a customer-service line. Confirm current contact details with the provider.

Official state resources · How to read these records