PIONEER SCHOOL DISTRICT

Washington - Non-Transient Non-Community - PWSID: WA5367723

System Information

PWSIDWA5367723
System NamePIONEER SCHOOL DISTRICT
System TypeNon-Transient Non-Community
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region10
Serves SchoolYes
WholesalerNo
First ReportedFeb 7, 1981
Last ReportedMar 26, 2026

Location & Contact

StateWashington
CityShelton
ZIP Code98584-5034
AddressPO Box 2026
OrganizationPIONEER SCHOOL DISTRICT
Phone-

Population & Service

Population Served903
Service Connections2

Drinking Water Violations (41)

This water system has 41 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, 2025 Dec 31, 2025 MR No Yes - 0.060 mg/L - Archived Dec 31, 2025 -
Jan 1, 2025 Dec 31, 2025 MR No Yes - 0.080 mg/L - Archived Dec 31, 2025 -
Jan 1, 2023 Dec 31, 2023 MR No Yes - 0.080 mg/L - Resolved Dec 31, 2023 -
Jan 1, 2023 Dec 31, 2023 MR No Yes - 0.060 mg/L - Resolved Dec 31, 2023 -
Jan 1, 2020 Dec 31, 2020 MR No Yes - 0.060 mg/L - Resolved Dec 31, 2020 -
Jan 1, 2020 Dec 31, 2020 MR No Yes - 0.080 mg/L - Resolved Dec 31, 2020 -
Jan 1, 2019 Dec 31, 2019 MR No Yes - 10 mg/L - Resolved Dec 31, 2019 -
Jan 1, 2017 Dec 31, 2017 MR No Yes - 0.080 mg/L - Resolved Dec 31, 2017 -
Jan 1, 2017 Dec 31, 2017 MR No Yes - 0.060 mg/L - Resolved Dec 31, 2017 -
Jan 1, 2016 Dec 31, 2016 MR No Yes - 0.080 mg/L - Resolved Dec 31, 2016 -
Jan 1, 2016 Dec 31, 2016 MR No Yes - 0.060 mg/L - Resolved Dec 31, 2016 -
Jan 1, 2014 Dec 31, 2014 MR No Yes - 0.060 mg/L - Resolved Dec 31, 2014 -
Jan 1, 2014 Dec 31, 2014 MR No Yes - 0.080 mg/L - Resolved Dec 31, 2014 -
Sep 1, 1999 Sep 30, 1999 MCL Yes No - 5% of samples - Archived Sep 30, 1999 -
Sep 1, 1999 Sep 30, 1999 MCL Yes No - 5% of samples - Archived Sep 30, 1999 -
Sep 1, 1999 Sep 30, 1999 MCL Yes No - 5% of samples - Archived Sep 30, 1999 -
Dec 1, 1998 Dec 31, 1998 MCL Yes No - 5% of samples - Archived Dec 31, 1998 -
Dec 1, 1998 Dec 31, 1998 MCL Yes No - 5% of samples - Archived Dec 31, 1998 -
Dec 1, 1998 Dec 31, 1998 MCL Yes No - 5% of samples - Archived Dec 31, 1998 -
Oct 1, 1997 Oct 31, 1997 MCL Yes No - 5% of samples - Archived Oct 31, 1997 -
Oct 1, 1997 Oct 31, 1997 MCL Yes No - 5% of samples - Archived Oct 31, 1997 -
Oct 1, 1997 Oct 31, 1997 MCL Yes No - 5% of samples - Archived Oct 31, 1997 -
Nov 1, 1996 Nov 30, 1996 MCL Yes No - 5% of samples - Archived Nov 30, 1996 -
Nov 1, 1996 Nov 30, 1996 MCL Yes No - 5% of samples - Archived Nov 30, 1996 -
Nov 1, 1996 Nov 30, 1996 MCL Yes No - 5% of samples - Archived Nov 30, 1996 -
Sep 1, 1996 Sep 30, 1996 MCL Yes No - 5% of samples - Archived Sep 30, 1996 -
Sep 1, 1994 Sep 30, 1994 MCL Yes No - 5% of samples - Archived Sep 30, 1994 -
Dec 1, 1993 Dec 31, 1993 MR No Yes - 5% of samples - Archived Dec 31, 1993 -
Dec 1, 1993 Dec 31, 1993 MR No Yes - 5% of samples - Archived Dec 31, 1993 -
Nov 1, 1993 Nov 30, 1993 MR No Yes - 5% of samples - Archived Nov 30, 1993 -
Nov 1, 1993 Nov 30, 1993 MR No Yes - 5% of samples - Archived Nov 30, 1993 -
Feb 1, 1993 Feb 28, 1993 MR No Yes - 5% of samples - Archived Feb 28, 1993 -
Feb 1, 1993 Feb 28, 1993 MR No Yes - 5% of samples - Archived Feb 28, 1993 -
Jan 1, 1993 Jan 31, 1993 MCL Yes No - 5% of samples - Archived Jan 31, 1993 -
Jan 1, 1993 Jan 31, 1993 MCL Yes No - 5% of samples - Archived Jan 31, 1993 -
Mar 1, 1992 Mar 31, 1992 MR No Yes - 5% of samples - Archived Mar 31, 1992 -
Mar 1, 1992 Mar 31, 1992 MR No Yes - 5% of samples - Archived Mar 31, 1992 -
Feb 1, 1992 Feb 29, 1992 MR No Yes - 5% of samples - Archived Feb 29, 1992 -
Feb 1, 1992 Feb 29, 1992 MR No Yes - 5% of samples - Archived Feb 29, 1992 -
Dec 1, 1991 Dec 31, 1991 MR No Yes - 5% of samples - Archived Dec 31, 1991 -
Nov 1, 1991 Nov 30, 1991 MR No Yes - 5% of samples - Archived Nov 30, 1991 -

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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