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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 ReportedDec 11, 2025

Location & Contact

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

Population & Service

Population Served180
Service Connections44

Drinking Water Violations (32)

This water system has 32 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 Nitrate MCL Yes No 11.6 MG/L 10 mg/L — Archived Jun 30, 2025 Nitrate Rule
Jan 1, 2024 Dec 31, 2024 Nitrate MCL Yes No 10.8 MG/L 10 mg/L — Resolved Dec 31, 2024 Nitrate Rule
Jan 1, 2024 Dec 31, 2024 Nitrate MCL Yes No 10.8 MG/L 10 mg/L — Resolved Dec 31, 2024 Nitrate Rule
May 1, 2021 May 31, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved May 31, 2021 Revised Total Coliform Rule
Apr 1, 2011 Jun 30, 2011 Nitrate MR No Yes — 10 mg/L — Resolved Jun 30, 2011 Nitrate Rule
Jul 1, 2006 Sep 30, 2006 Nitrate MR No Yes — 10 mg/L — Resolved Sep 30, 2006 Nitrate Rule
Jul 1, 2006 Sep 30, 2006 Nitrate MR No Yes — 10 mg/L — Resolved Sep 30, 2006 Nitrate Rule
Jul 1, 2006 Sep 30, 2006 Nitrate MR No Yes — 10 mg/L — Resolved Sep 30, 2006 Nitrate Rule
Jul 1, 2006 Sep 30, 2006 Nitrate MR No Yes — 10 mg/L — Resolved Sep 30, 2006 Nitrate Rule
Jul 1, 2006 Sep 30, 2006 Nitrate MR No Yes — 10 mg/L — Resolved Sep 30, 2006 Nitrate Rule
Jul 1, 2006 Sep 30, 2006 Nitrate MR No Yes — 10 mg/L — Resolved Sep 30, 2006 Nitrate Rule
Jul 1, 2006 Sep 30, 2006 Nitrate MR No Yes — 10 mg/L — Resolved Sep 30, 2006 Nitrate Rule
Nov 1, 2003 Nov 30, 2003 Coliform (TCR) MR No No — 5% of samples — Archived Nov 30, 2003 Total Coliform Rule
Apr 1, 2000 Apr 30, 2000 Coliform (TCR) MR No Yes — 5% of samples — Archived Apr 30, 2000 Total Coliform Rule
Mar 1, 1997 Mar 31, 1997 Coliform (TCR) MR No Yes — 5% of samples — Archived Mar 31, 1997 Total Coliform Rule
May 1, 1995 May 31, 1995 Coliform (TCR) MR No Yes — 5% of samples — Archived May 31, 1995 Total Coliform Rule
Oct 1, 1993 Oct 31, 1993 Coliform (TCR) MR No Yes — 5% of samples — Archived Oct 31, 1993 Total Coliform Rule
Dec 1, 1992 Dec 31, 1992 Coliform (TCR) MR No Yes — 5% of samples — Archived Dec 31, 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) MCL Yes No — 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
Jul 1, 1992 Jul 31, 1992 Coliform (TCR) MR No Yes — 5% of samples — Archived Jul 31, 1992 Total Coliform Rule
Dec 1, 1991 Dec 31, 1991 Coliform (TCR) MR No Yes — 5% of samples — Archived Dec 31, 1991 Total Coliform 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 Arsenic MR No No — 0.010 mg/L — Archived Oct 31, 1979 Arsenic Rule
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 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
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 Nitrate MR No No — 10 mg/L — Archived Oct 31, 1979 Nitrate Rule
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 Fluoride MR No No — 4.0 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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