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OLOWALU

Hawaii — Community Water System — PWSID: HI0000209

System Information

PWSIDHI0000209
System NameOLOWALU
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
CityKAHULUI
ZIP Code96732
Address305 EAST WAKEA AVENUE, SUITE 100
OrganizationTAMAYOSE, LEA
Phone808-877-4202

Population & Service

Population Served100
Service Connections56

Drinking Water Violations (89)

This water system has 89 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
Dec 1, 1997 Dec 31, 1997 Coliform (TCR) MR No No — 5% of samples — Archived Dec 31, 1997 Total Coliform Rule
Dec 1, 1997 Dec 31, 1997 Coliform (TCR) MR No No — 5% of samples — Archived Dec 31, 1997 Total Coliform Rule
Dec 1, 1997 Dec 31, 1997 Coliform (TCR) MR No No — 5% of samples — Archived Dec 31, 1997 Total Coliform Rule
Nov 1, 1996 Nov 30, 1996 Surface Water Treatment Rule TT Yes No — — — Archived Nov 30, 1996 Surface Water Treatment Rule
Nov 1, 1996 Nov 30, 1996 Surface Water Treatment Rule TT Yes No — — — Archived Nov 30, 1996 Surface Water Treatment Rule
Nov 1, 1996 Nov 30, 1996 Surface Water Treatment Rule TT Yes No — — — Archived Nov 30, 1996 Surface Water Treatment Rule
Jun 1, 1996 Jun 30, 1996 Surface Water Treatment Rule TT Yes No — — — Resolved Jun 21, 1996 Surface Water Treatment Rule
Jun 1, 1996 Jun 30, 1996 Surface Water Treatment Rule TT Yes No — — — Resolved Jun 21, 1996 Surface Water Treatment Rule
Jun 1, 1996 Jun 30, 1996 Surface Water Treatment Rule TT Yes No — — — Resolved Jun 21, 1996 Surface Water Treatment Rule
Jun 1, 1996 Jun 30, 1996 Surface Water Treatment Rule TT Yes No — — — Resolved Jun 21, 1996 Surface Water Treatment Rule
May 1, 1996 May 31, 1996 Surface Water Treatment Rule TT Yes No — — — Resolved May 31, 1996 Surface Water Treatment Rule
May 1, 1996 May 31, 1996 Surface Water Treatment Rule TT Yes No — — — Resolved May 31, 1996 Surface Water Treatment Rule
May 1, 1996 May 31, 1996 Surface Water Treatment Rule TT Yes No — — — Resolved May 31, 1996 Surface Water Treatment Rule
May 1, 1996 May 31, 1996 Surface Water Treatment Rule TT Yes No — — — Resolved May 31, 1996 Surface Water Treatment Rule
Apr 1, 1996 Apr 30, 1996 Surface Water Treatment Rule TT Yes No — — — Resolved Apr 30, 1996 Surface Water Treatment Rule
Apr 1, 1996 Apr 30, 1996 Surface Water Treatment Rule TT Yes No — — — Resolved Apr 30, 1996 Surface Water Treatment Rule
Apr 1, 1996 Apr 30, 1996 Surface Water Treatment Rule TT Yes No — — — Resolved Apr 30, 1996 Surface Water Treatment Rule
Apr 1, 1996 Apr 30, 1996 Surface Water Treatment Rule TT Yes No — — — Resolved Apr 30, 1996 Surface Water Treatment Rule
Apr 1, 1996 Apr 30, 1996 Surface Water Treatment Rule TT Yes No — — — Resolved Apr 30, 1996 Surface Water Treatment Rule
Apr 1, 1996 Apr 30, 1996 Surface Water Treatment Rule TT Yes No — — — Resolved Apr 30, 1996 Surface Water Treatment Rule
Mar 1, 1996 Mar 31, 1996 Surface Water Treatment Rule TT Yes No — — — Archived Mar 31, 1996 Surface Water Treatment Rule
Mar 1, 1996 Mar 31, 1996 Surface Water Treatment Rule TT Yes No — — — Archived Mar 31, 1996 Surface Water Treatment Rule
Mar 1, 1996 Mar 31, 1996 Surface Water Treatment Rule TT Yes No — — — Archived Mar 31, 1996 Surface Water Treatment Rule
Jan 1, 1996 Jan 31, 1996 Surface Water Treatment Rule TT Yes No — — — Archived Jan 31, 1996 Surface Water Treatment Rule
Jan 1, 1996 Jan 31, 1996 Surface Water Treatment Rule TT Yes No — — — Archived Jan 31, 1996 Surface Water Treatment Rule
Jan 1, 1996 Jan 31, 1996 Surface Water Treatment Rule TT Yes No — — — Archived Jan 31, 1996 Surface Water Treatment Rule
Dec 1, 1995 Dec 31, 1995 Surface Water Treatment Rule TT Yes No — — — Archived Dec 31, 1995 Surface Water Treatment Rule
Dec 1, 1995 Dec 31, 1995 Surface Water Treatment Rule TT Yes No — — — Archived Dec 31, 1995 Surface Water Treatment Rule
Dec 1, 1995 Dec 31, 1995 Surface Water Treatment Rule TT Yes No — — — Archived Dec 31, 1995 Surface Water Treatment Rule
Nov 1, 1995 Nov 30, 1995 Surface Water Treatment Rule TT Yes No — — — Archived Nov 30, 1995 Surface Water Treatment Rule
Nov 1, 1995 Nov 30, 1995 Surface Water Treatment Rule TT Yes No — — — Archived Nov 30, 1995 Surface Water Treatment Rule
Nov 1, 1995 Nov 30, 1995 Surface Water Treatment Rule TT Yes No — — — Archived Nov 30, 1995 Surface Water Treatment Rule
Oct 1, 1995 Oct 31, 1995 Surface Water Treatment Rule TT Yes No — — — Archived Oct 31, 1995 Surface Water Treatment Rule
Oct 1, 1995 Oct 31, 1995 Surface Water Treatment Rule TT Yes No — — — Archived Oct 31, 1995 Surface Water Treatment Rule
Oct 1, 1995 Oct 31, 1995 Surface Water Treatment Rule TT Yes No — — — Archived Oct 31, 1995 Surface Water Treatment Rule
Sep 1, 1995 Sep 30, 1995 Surface Water Treatment Rule TT Yes No — — — Archived Sep 30, 1995 Surface Water Treatment Rule
Sep 1, 1995 Sep 30, 1995 Surface Water Treatment Rule TT Yes No — — — Archived Sep 30, 1995 Surface Water Treatment Rule
Sep 1, 1995 Sep 30, 1995 Surface Water Treatment Rule TT Yes No — — — Archived Sep 30, 1995 Surface Water Treatment Rule
Aug 1, 1995 Aug 31, 1995 Surface Water Treatment Rule TT Yes No — — — Archived Aug 31, 1995 Surface Water Treatment Rule
Aug 1, 1995 Aug 31, 1995 Surface Water Treatment Rule TT Yes No — — — Archived Aug 31, 1995 Surface Water Treatment Rule
Aug 1, 1995 Aug 31, 1995 Surface Water Treatment Rule TT Yes No — — — Archived Aug 31, 1995 Surface Water Treatment Rule
Jul 1, 1995 Jul 31, 1995 Surface Water Treatment Rule TT Yes No — — — Archived Jul 31, 1995 Surface Water Treatment Rule
Jul 1, 1995 Jul 31, 1995 Surface Water Treatment Rule TT Yes No — — — Archived Jul 31, 1995 Surface Water Treatment Rule
Jul 1, 1995 Jul 31, 1995 Surface Water Treatment Rule TT Yes No — — — Archived Jul 31, 1995 Surface Water Treatment Rule
Mar 1, 1995 Mar 31, 1995 Surface Water Treatment Rule TT Yes No — — — Archived Mar 31, 1995 Surface Water Treatment Rule
Mar 1, 1995 Mar 31, 1995 Surface Water Treatment Rule TT Yes No — — — Archived Mar 31, 1995 Surface Water Treatment Rule
Mar 1, 1995 Mar 31, 1995 Surface Water Treatment Rule TT Yes No — — — Archived Mar 31, 1995 Surface Water Treatment Rule
Feb 1, 1995 Feb 28, 1995 Surface Water Treatment Rule TT Yes No — — — Archived Feb 28, 1995 Surface Water Treatment Rule
Dec 1, 1994 Dec 31, 1994 Surface Water Treatment Rule TT Yes No — — — Archived Dec 31, 1994 Surface Water Treatment Rule
Dec 1, 1994 Dec 31, 1994 Surface Water Treatment Rule TT Yes No — — — Archived Dec 31, 1994 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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