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OLALLA SCHOOL

Washington — Non-Transient Non-Community — PWSID: WA5363213

System Information

PWSIDWA5363213
System NameOLALLA SCHOOL
System TypeNon-Transient Non-Community
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region10
Serves SchoolYes
WholesalerNo
First ReportedFeb 7, 1981
Last ReportedDec 11, 2025

Location & Contact

StateWashington
CityPort Orchard
ZIP Code98366
AddressPO Box 123
OrganizationOLALLA SCHOOL
Phone—

Population & Service

Population Served350
Service Connections1

Drinking Water Violations (45)

This water system has 45 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, 2022 Dec 31, 2022 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2022 Dec 31, 2022 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2022 Dec 31, 2022 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2022 Dec 31, 2022 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2022 Dec 31, 2022 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2022 Dec 31, 2022 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2022 Dec 31, 2022 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2022 Dec 31, 2022 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2022 Dec 31, 2022 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2022 Dec 31, 2022 Styrene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2022 Dec 31, 2022 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2022 Dec 31, 2022 Benzene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2022 Dec 31, 2022 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2022 Dec 31, 2022 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2022 Dec 31, 2022 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2022 Dec 31, 2022 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2022 Dec 31, 2022 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2022 Dec 31, 2022 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2022 Dec 31, 2022 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jan 1, 2022 Dec 31, 2022 Toluene MR No Yes — 1 mg/L — Resolved Dec 31, 2022 Volatile Organic Chemicals
Jul 1, 2019 Jul 31, 2019 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2019 Revised Total Coliform Rule
Apr 1, 2000 Apr 30, 2000 Coliform (TCR) MR No Yes — 5% of samples — Archived Apr 30, 2000 Total Coliform Rule
Oct 1, 1997 Oct 31, 1997 Coliform (TCR) MCL Yes No — 5% of samples — Archived Oct 31, 1997 Total Coliform Rule
Oct 1, 1997 Oct 31, 1997 Coliform (TCR) MCL Yes No — 5% of samples — Archived Oct 31, 1997 Total Coliform Rule
Oct 1, 1997 Oct 31, 1997 Coliform (TCR) MCL Yes No — 5% of samples — Archived Oct 31, 1997 Total Coliform Rule
Sep 1, 1997 Sep 30, 1997 Coliform (TCR) MCL Yes No — 5% of samples — Archived Sep 30, 1997 Total Coliform Rule
Sep 1, 1997 Sep 30, 1997 Coliform (TCR) MCL Yes No — 5% of samples — Archived Sep 30, 1997 Total Coliform Rule
Sep 1, 1997 Sep 30, 1997 Coliform (TCR) MCL Yes No — 5% of samples — Archived Sep 30, 1997 Total Coliform Rule
Apr 1, 1993 Apr 30, 1993 Coliform (TCR) MCL Yes No — 5% of samples — Archived Apr 30, 1993 Total Coliform Rule
Oct 1, 1992 Oct 31, 1992 Coliform (TCR) MR No Yes — 5% of samples — Archived Oct 31, 1992 Total Coliform Rule
Sep 1, 1992 Sep 30, 1992 Coliform (TCR) MR No No — 5% of samples — Archived Sep 30, 1992 Total Coliform Rule
Aug 1, 1992 Aug 31, 1992 Coliform (TCR) MCL Yes No — 5% of samples — Archived Aug 31, 1992 Total Coliform Rule
Aug 1, 1992 Aug 31, 1992 Coliform (TCR) MCL Yes No — 5% of samples — Archived Aug 31, 1992 Total Coliform Rule
Aug 1, 1992 Aug 31, 1992 Coliform (TCR) MCL Yes No — 5% of samples — Archived Aug 31, 1992 Total Coliform Rule
Jul 1, 1992 Jul 31, 1992 Coliform (TCR) MR No No — 5% of samples — Archived Jul 31, 1992 Total Coliform Rule
Jun 1, 1992 Jun 30, 1992 Coliform (TCR) MR No Yes — 5% of samples — Archived Jun 30, 1992 Total Coliform Rule
May 1, 1992 May 31, 1992 Coliform (TCR) MR No Yes — 5% of samples — Archived May 31, 1992 Total Coliform Rule
May 1, 1992 May 31, 1992 Coliform (TCR) MCL Yes No — 5% of samples — Archived May 31, 1992 Total Coliform Rule
May 1, 1992 May 31, 1992 Coliform (TCR) MCL Yes No — 5% of samples — Archived May 31, 1992 Total Coliform Rule
May 1, 1992 May 31, 1992 Coliform (TCR) MCL Yes No — 5% of samples — Archived May 31, 1992 Total Coliform Rule
Apr 1, 1992 Apr 30, 1992 Coliform (TCR) MCL Yes No — 5% of samples — Archived Apr 30, 1992 Total Coliform Rule
Apr 1, 1992 Apr 30, 1992 Coliform (TCR) MCL Yes No — 5% of samples — Archived Apr 30, 1992 Total Coliform Rule
Apr 1, 1992 Apr 30, 1992 Coliform (TCR) MCL Yes No — 5% of samples — Archived Apr 30, 1992 Total Coliform Rule
Apr 1, 1992 Apr 30, 1992 Coliform (TCR) MR No No — 5% of samples — Archived Apr 30, 1992 Total Coliform Rule
Nov 1, 1991 Nov 30, 1991 Coliform (TCR) MR No Yes — 5% of samples — Archived Nov 30, 1991 Total Coliform 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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