WILLEYS LAKE TERRACE WATER ASSN

Washington - Community Water System - PWSID: WA5397110

System Information

PWSIDWA5397110
System NameWILLEYS LAKE TERRACE WATER ASSN
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region10
Serves SchoolNo
WholesalerNo
First ReportedFeb 7, 1981
Last ReportedMar 26, 2026

Location & Contact

StateWashington
CityFerndale
ZIP Code98248
Address7664 Terrace St
OrganizationWILLEYS LAKE TERRACE WATER ASSN
Phone-

Population & Service

Population Served180
Service Connections44

Drinking Water Violations (34)

This water system has 34 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
Apr 1, 2025 Jun 30, 2025 MCL Yes No 11.6 MG/L 10 mg/L - Archived Jun 30, 2025 -
Jan 1, 2024 Dec 31, 2024 MCL Yes No 10.8 MG/L 10 mg/L - Resolved Dec 31, 2024 -
Jan 1, 2024 Dec 31, 2024 MCL Yes No 10.8 MG/L 10 mg/L - Resolved Dec 31, 2024 -
May 1, 2021 May 31, 2021 MON No Yes - - - Resolved May 31, 2021 -
Apr 1, 2011 Jun 30, 2011 MR No Yes - 10 mg/L - Resolved Jun 30, 2011 -
Jul 1, 2006 Sep 30, 2006 MR No Yes - 10 mg/L - Resolved Sep 30, 2006 -
Jul 1, 2006 Sep 30, 2006 MR No Yes - 10 mg/L - Resolved Sep 30, 2006 -
Jul 1, 2006 Sep 30, 2006 MR No Yes - 10 mg/L - Resolved Sep 30, 2006 -
Jul 1, 2006 Sep 30, 2006 MR No Yes - 10 mg/L - Resolved Sep 30, 2006 -
Jul 1, 2006 Sep 30, 2006 MR No Yes - 10 mg/L - Resolved Sep 30, 2006 -
Jul 1, 2006 Sep 30, 2006 MR No Yes - 10 mg/L - Resolved Sep 30, 2006 -
Jul 1, 2006 Sep 30, 2006 MR No Yes - 10 mg/L - Resolved Sep 30, 2006 -
Nov 1, 2003 Nov 30, 2003 MR No No - 5% of samples - Archived Nov 30, 2003 -
Jul 1, 2000 Apr 1, 2000 Other No Yes - - - Resolved Apr 1, 2000 -
Apr 1, 2000 Apr 30, 2000 MR No Yes - 5% of samples - Archived Apr 30, 2000 -
Mar 1, 1997 Mar 31, 1997 MR No Yes - 5% of samples - Archived Mar 31, 1997 -
May 1, 1995 May 31, 1995 MR No Yes - 5% of samples - Archived May 31, 1995 -
Oct 1, 1993 Oct 31, 1993 MR No Yes - 5% of samples - Archived Oct 31, 1993 -
Dec 1, 1992 Dec 31, 1992 MR No Yes - 5% of samples - Archived Dec 31, 1992 -
Oct 1, 1992 Oct 31, 1992 MR No Yes - 5% of samples - Archived Oct 31, 1992 -
Sep 1, 1992 Sep 30, 1992 MCL Yes No - 5% of samples - Archived Sep 30, 1992 -
Aug 1, 1992 Aug 31, 1992 MR No Yes - 5% of samples - Archived Aug 31, 1992 -
Jul 1, 1992 Jul 31, 1992 MR No Yes - 5% of samples - Archived Jul 31, 1992 -
Dec 1, 1991 Dec 31, 1991 MR No Yes - 5% of samples - Archived Dec 31, 1991 -
Oct 1, 1979 Oct 31, 1979 MR No No - 0.005 mg/L - Archived Oct 31, 1979 -
Oct 1, 1979 Oct 31, 1979 MR No No - 2 mg/L - Archived Oct 31, 1979 -
Oct 1, 1979 Oct 31, 1979 MR No No - 0.002 mg/L - Archived Oct 31, 1979 -
Oct 1, 1979 Oct 31, 1979 MR No No - 0.05 mg/L - Archived Oct 31, 1979 -
Oct 1, 1979 Oct 31, 1979 MR No No - 10 mg/L - Archived Oct 31, 1979 -
Oct 1, 1979 Oct 31, 1979 MR No No - 0.1 mg/L - Archived Oct 31, 1979 -
Oct 1, 1979 Oct 31, 1979 MR No No - 15 pCi/L - Archived Oct 31, 1979 -
Oct 1, 1979 Oct 31, 1979 MR No No - 0.010 mg/L - Archived Oct 31, 1979 -
Oct 1, 1979 Oct 31, 1979 MR No No - 4.0 mg/L - Archived Oct 31, 1979 -
- - - No No - - - - - -

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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