LYNDEN WATER DEPARTMENT

Washington — Community Water System — PWSID: WA5349150

System Information

PWSIDWA5349150
System NameLYNDEN WATER DEPARTMENT
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypeLocal
EPA Region10
Serves SchoolNo
WholesalerYes
First ReportedFeb 7, 1981
Last ReportedDec 11, 2025

Location & Contact

StateWashington
CityLynden
ZIP Code98264
Address300 4th Street
OrganizationLYNDEN WATER DEPARTMENT
Phone

Population & Service

Population Served17,969
Service Connections7,785

Drinking Water Violations (29)

This water system has 29 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
Jul 1, 2025 Jul 31, 2025 Surface Water Treatment Rule MR No Yes Resolved Jul 31, 2025 Surface Water Treatment Rule
Dec 1, 2023 Dec 31, 2023 Interim Enhanced Surface Water Treatment Rule TT Yes No Resolved Dec 31, 2023 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Dec 1, 2023 Dec 31, 2023 Interim Enhanced Surface Water Treatment Rule TT Yes No Resolved Dec 31, 2023 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Oct 1, 2009 Dec 31, 2009 Nitrate MCL Yes No 14 MG/L 10 mg/L Archived Dec 31, 2009 Nitrate Rule
Oct 1, 2009 Dec 31, 2009 Nitrate MCL Yes No 14 MG/L 10 mg/L Archived Dec 31, 2009 Nitrate Rule
Jul 1, 2009 Sep 30, 2009 Nitrate MCL Yes No 14 MG/L 10 mg/L Archived Sep 30, 2009 Nitrate Rule
Apr 1, 2009 Jun 30, 2009 Nitrate MCL Yes No 14 MG/L 10 mg/L Archived Jun 30, 2009 Nitrate Rule
Jan 1, 2009 Mar 31, 2009 Nitrate MCL Yes No 15 MG/L 10 mg/L Archived Mar 31, 2009 Nitrate Rule
Oct 1, 2008 Dec 31, 2008 Nitrate MCL Yes No 14 MG/L 10 mg/L Archived Dec 31, 2008 Nitrate Rule
Jul 1, 2008 Sep 30, 2008 Nitrate MCL Yes No 12 MG/L 10 mg/L Archived Sep 30, 2008 Nitrate Rule
Jan 1, 2008 Mar 31, 2008 Nitrate MCL Yes No 11 MG/L 10 mg/L Archived Mar 31, 2008 Nitrate Rule
Oct 1, 2007 Dec 31, 2007 Nitrate MCL Yes No 12 MG/L 10 mg/L Archived Dec 31, 2007 Nitrate Rule
Jul 1, 2007 Sep 30, 2007 Nitrate MCL Yes No 14 MG/L 10 mg/L Archived Sep 30, 2007 Nitrate Rule
Apr 1, 2007 Jun 30, 2007 Nitrate MCL Yes No 13.3 MG/L 10 mg/L Archived Jun 30, 2007 Nitrate Rule
Oct 1, 2006 Dec 31, 2006 Nitrate MCL Yes No 13.3 MG/L 10 mg/L Archived Dec 31, 2006 Nitrate Rule
Aug 1, 2006 Aug 31, 2006 Surface Water Treatment Rule TT Yes No Archived Aug 31, 2006 Surface Water Treatment Rule
Jan 1, 2006 Mar 31, 2006 Nitrate MCL Yes No 11.6 MG/L 10 mg/L Archived Mar 31, 2006 Nitrate Rule
Apr 1, 2005 Jun 30, 2005 Nitrate MCL Yes No 14.3 MG/L 10 mg/L Archived Jun 30, 2005 Nitrate Rule
Jan 1, 2005 Mar 31, 2005 Nitrate MCL Yes No 16.2 MG/L 10 mg/L Archived Mar 31, 2005 Nitrate Rule
Jan 1, 1992 Jan 31, 1992 Coliform (TCR) MR No No 5% of samples Archived Jan 31, 1992 Total Coliform Rule
Oct 1, 1979 Oct 31, 1979 Arsenic MR No No 0.010 mg/L Archived Oct 31, 1979 Arsenic Rule
Oct 1, 1979 Oct 31, 1979 Mercury MR No No 0.002 mg/L Archived Oct 31, 1979 Inorganic Chemicals
Oct 1, 1979 Oct 31, 1979 Gross Alpha, Excl. Radon and U MR No No 15 pCi/L Archived Oct 31, 1979 Radionuclides and Revised Rad Rule
Oct 1, 1979 Oct 31, 1979 Fluoride MR No No 4.0 mg/L Archived Oct 31, 1979 Inorganic Chemicals
Oct 1, 1979 Oct 31, 1979 Barium MR No No 2 mg/L Archived Oct 31, 1979 Inorganic Chemicals
Oct 1, 1979 Oct 31, 1979 Nitrate MR No No 10 mg/L Archived Oct 31, 1979 Nitrate Rule
Oct 1, 1979 Oct 31, 1979 Cadmium MR No No 0.005 mg/L Archived Oct 31, 1979 Inorganic Chemicals
Oct 1, 1979 Oct 31, 1979 Chromium MR No No 0.1 mg/L Archived Oct 31, 1979 Inorganic Chemicals
Oct 1, 1979 Oct 31, 1979 Selenium MR No No 0.05 mg/L Archived Oct 31, 1979 Inorganic Chemicals

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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