MOUNT BAKER SCHOOL DISTRICT-DEMING

Washington — Non-Transient Non-Community — PWSID: WA5301468

System Information

PWSIDWA5301468
System NameMOUNT BAKER SCHOOL DISTRICT-DEMING
System TypeNon-Transient Non-Community
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region10
Serves SchoolYes
WholesalerNo
First ReportedJul 30, 1992
Last ReportedDec 11, 2025

Location & Contact

StateWashington
CityDeming
ZIP Code98244
AddressPO Box 95
OrganizationMOUNT BAKER SCHOOL DISTRICT-DEMING
Phone

Population & Service

Population Served700
Service Connections1

Drinking Water Violations (25)

This water system has 25 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, 2021 Dec 31, 2021 TTHM MR No Yes 0.080 mg/L Resolved Dec 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2021 Dec 31, 2021 Total Haloacetic Acids (HAA5) MR No Yes 0.060 mg/L Resolved Dec 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2020 Lead and Copper Rule MR No No TT Resolved Jun 15, 2023 Lead and Copper 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, 2008 Dec 31, 2010 OXAMYL MR No Yes 0.2 mg/L Archived Dec 31, 2010 Synthetic Organic Chemicals
Jan 1, 2008 Dec 31, 2010 Aldicarb sulfone MR No Yes Archived Dec 31, 2010 Synthetic Organic Chemicals
Jan 1, 2008 Dec 31, 2010 Aldicarb sulfoxide MR No Yes Archived Dec 31, 2010 Synthetic Organic Chemicals
Jan 1, 2008 Dec 31, 2010 Aldicarb MR No Yes Archived Dec 31, 2010 Synthetic Organic Chemicals
Jan 1, 2008 Dec 31, 2010 Carbofuran MR No Yes 0.04 mg/L Archived Dec 31, 2010 Synthetic Organic Chemicals
Dec 1, 2005 Dec 31, 2005 Coliform (TCR) MR No No 5% of samples Archived Dec 31, 2005 Total Coliform Rule
Oct 1, 2005 Oct 31, 2005 Coliform (TCR) MCL Yes No 5% of samples Archived Oct 31, 2005 Total Coliform Rule
Oct 1, 2004 Oct 31, 2004 Coliform (TCR) MCL Yes No 5% of samples Archived Oct 31, 2004 Total Coliform Rule
Nov 1, 2000 Nov 30, 2000 Coliform (TCR) MCL Yes No 5% of samples Archived Nov 30, 2000 Total Coliform Rule
Nov 1, 2000 Nov 30, 2000 Coliform (TCR) MCL Yes No 5% of samples Archived Nov 30, 2000 Total Coliform Rule
Nov 1, 2000 Nov 30, 2000 Coliform (TCR) MCL Yes No 5% of samples Archived Nov 30, 2000 Total Coliform Rule
Sep 1, 1999 Sep 30, 1999 Coliform (TCR) MR No Yes 5% of samples Archived Sep 30, 1999 Total Coliform Rule
Jul 1, 1999 Jul 31, 1999 Coliform (TCR) MR No Yes 5% of samples Archived Jul 31, 1999 Total Coliform Rule
Jan 1, 1994 Jan 1, 2000 Lead and Copper Rule MR No No TT Resolved Jan 1, 2000 Lead and Copper Rule
Jul 1, 1993 Jul 31, 1993 Coliform (TCR) MR No Yes 5% of samples Archived Jul 31, 1993 Total Coliform Rule
Mar 1, 1993 Mar 31, 1993 Coliform (TCR) MCL Yes No 5% of samples Archived Mar 31, 1993 Total Coliform Rule
Nov 1, 1992 Nov 30, 1992 Coliform (TCR) MR No Yes 5% of samples Archived Nov 30, 1992 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 Yes 5% of samples Archived Sep 30, 1992 Total Coliform Rule
Aug 1, 1992 Aug 31, 1992 Coliform (TCR) MR No Yes 5% of samples Archived Aug 31, 1992 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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