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KAILUA

Hawaii — Community Water System — PWSID: HI0000203

System Information

PWSIDHI0000203
System NameKAILUA
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedSep 10, 1979
Last ReportedDec 8, 2025

Location & Contact

StateHawaii
CityPUUNENE
ZIP Code96784
AddressAlexander & Baldwin, Inc.
OrganizationO'KEEFE, SEAN
Phone808-877-2959

Population & Service

Population Served90
Service Connections27

Drinking Water Violations (50)

This water system has 50 violations recorded in the EPA SDWIS database.

Begin Date End Date Contaminant Category Health-Based Major Measured Federal MCL State MCL Status Return to Compliance Rule
Jan 1, 2018 Dec 31, 2018 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2018 Dec 31, 2018 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2018 Dec 31, 2018 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2018 Dec 31, 2018 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2018 Dec 31, 2018 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2018 Dec 31, 2018 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2017 Dec 31, 2017 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2017 Dec 31, 2017 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2017 Dec 31, 2017 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2017 Dec 31, 2017 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2017 Dec 31, 2017 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2017 Dec 31, 2017 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2010 Jan 31, 2010 Coliform (TCR) MR No No — 5% of samples — Resolved Jan 31, 2010 Total Coliform Rule
Jan 1, 2010 Jan 31, 2010 Coliform (TCR) MR No No — 5% of samples — Resolved Jan 31, 2010 Total Coliform Rule
Jan 1, 2010 Jan 31, 2010 Coliform (TCR) MR No No — 5% of samples — Resolved Jan 31, 2010 Total Coliform Rule
Oct 1, 1999 — Surface Water Treatment Rule TT Yes No — — — Resolved Apr 30, 2002 Surface Water Treatment Rule
Oct 1, 1999 — Surface Water Treatment Rule TT Yes No — — — Resolved Apr 30, 2002 Surface Water Treatment Rule
Oct 1, 1999 — Surface Water Treatment Rule TT Yes No — — — Resolved Apr 30, 2002 Surface Water Treatment Rule
Oct 1, 1999 — Surface Water Treatment Rule TT Yes No — — — Resolved Apr 30, 2002 Surface Water Treatment Rule
Oct 1, 1999 — Surface Water Treatment Rule TT Yes No — — — Resolved Apr 30, 2002 Surface Water Treatment Rule
Oct 1, 1999 — Surface Water Treatment Rule TT Yes No — — — Resolved Apr 30, 2002 Surface Water Treatment Rule
Oct 1, 1999 — Surface Water Treatment Rule TT Yes No — — — Resolved Apr 30, 2002 Surface Water Treatment Rule
Oct 1, 1999 — Surface Water Treatment Rule TT Yes No — — — Resolved Apr 30, 2002 Surface Water Treatment Rule
Oct 1, 1999 — Surface Water Treatment Rule TT Yes No — — — Resolved Apr 30, 2002 Surface Water Treatment Rule
Oct 1, 1999 — Surface Water Treatment Rule TT Yes No — — — Resolved Apr 30, 2002 Surface Water Treatment Rule
Oct 1, 1999 — Surface Water Treatment Rule TT Yes No — — — Resolved Apr 30, 2002 Surface Water Treatment Rule
Oct 1, 1999 — Surface Water Treatment Rule TT Yes No — — — Resolved Apr 30, 2002 Surface Water Treatment Rule
Oct 1, 1999 — Surface Water Treatment Rule TT Yes No — — — Resolved Apr 30, 2002 Surface Water Treatment Rule
Oct 1, 1999 — Surface Water Treatment Rule TT Yes No — — — Resolved Apr 30, 2002 Surface Water Treatment Rule
Oct 1, 1999 — Surface Water Treatment Rule TT Yes No — — — Resolved Apr 30, 2002 Surface Water Treatment Rule
Oct 1, 1999 — Surface Water Treatment Rule TT Yes No — — — Resolved Apr 30, 2002 Surface Water Treatment Rule
Sep 1, 1999 Sep 30, 1999 Surface Water Treatment Rule TT Yes No — — — Archived Sep 30, 1999 Surface Water Treatment Rule
Sep 1, 1999 Sep 30, 1999 Surface Water Treatment Rule TT Yes No — — — Archived Sep 30, 1999 Surface Water Treatment Rule
Sep 1, 1999 Sep 30, 1999 Surface Water Treatment Rule TT Yes No — — — Archived Sep 30, 1999 Surface Water Treatment Rule
Jul 1, 1999 Jul 31, 1999 Surface Water Treatment Rule TT Yes No — — — Archived Jul 31, 1999 Surface Water Treatment Rule
Jul 1, 1999 Jul 31, 1999 Surface Water Treatment Rule TT Yes No — — — Archived Jul 31, 1999 Surface Water Treatment Rule
Jul 1, 1999 Jul 31, 1999 Surface Water Treatment Rule TT Yes No — — — Archived Jul 31, 1999 Surface Water Treatment Rule
Jan 1, 1999 Jan 31, 1999 Surface Water Treatment Rule TT Yes No — — — Archived Jan 31, 1999 Surface Water Treatment Rule
Jan 1, 1999 Jan 31, 1999 Surface Water Treatment Rule TT Yes No — — — Archived Jan 31, 1999 Surface Water Treatment Rule
Jan 1, 1999 Jan 31, 1999 Surface Water Treatment Rule TT Yes No — — — Archived Jan 31, 1999 Surface Water Treatment Rule
Dec 1, 1998 Dec 31, 1998 Surface Water Treatment Rule TT Yes No — — — Archived Dec 31, 1998 Surface Water Treatment Rule
Sep 1, 1998 Sep 30, 1998 Surface Water Treatment Rule TT Yes No — — — Archived Sep 30, 1998 Surface Water Treatment Rule
Sep 1, 1998 Sep 30, 1998 Surface Water Treatment Rule TT Yes No — — — Archived Sep 30, 1998 Surface Water Treatment Rule
Sep 1, 1998 Sep 30, 1998 Surface Water Treatment Rule TT Yes No — — — Archived Sep 30, 1998 Surface Water Treatment Rule
Aug 1, 1998 Aug 31, 1998 Surface Water Treatment Rule TT Yes No — — — Archived Aug 31, 1998 Surface Water Treatment Rule
Aug 1, 1998 Aug 31, 1998 Surface Water Treatment Rule TT Yes No — — — Archived Aug 31, 1998 Surface Water Treatment Rule
Aug 1, 1998 Aug 31, 1998 Surface Water Treatment Rule TT Yes No — — — Archived Aug 31, 1998 Surface Water Treatment Rule
Jul 1, 1998 Jul 31, 1998 Surface Water Treatment Rule TT Yes No — — — Archived Jul 31, 1998 Surface Water Treatment Rule
Jul 1, 1998 Jul 31, 1998 Surface Water Treatment Rule TT Yes No — — — Archived Jul 31, 1998 Surface Water Treatment Rule
Jul 1, 1998 Jul 31, 1998 Surface Water Treatment Rule TT Yes No — — — Archived Jul 31, 1998 Surface Water Treatment Rule

About This Water System

Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.

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