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CAPE SAN JUAN WATER DISTRICT

Washington — Community Water System — PWSID: WA5311065

System Information

PWSIDWA5311065
System NameCAPE SAN JUAN WATER DISTRICT
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region10
Serves SchoolNo
WholesalerYes
First ReportedFeb 7, 1981
Last ReportedDec 11, 2025

Location & Contact

StateWashington
CityFriday Harbor
ZIP Code98250
AddressPO Box 1536
OrganizationCAPE SAN JUAN WATER DISTRICT
Phone—

Population & Service

Population Served158
Service Connections145

Drinking Water Violations (56)

This water system has 56 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, 2024 — Consumer Confidence Rule Other No No — — — Resolved Feb 19, 2025 Consumer Confidence Rule
Apr 1, 2024 Jun 30, 2024 TTHM MCL Yes No 86.63 UG/L 0.080 mg/L — Archived Jun 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2023 Dec 31, 2023 TTHM MCL Yes No 82.4 UG/L 0.080 mg/L — Archived Dec 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 Sep 30, 2023 TTHM MCL Yes No 83.1 UG/L 0.080 mg/L — Archived Sep 30, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2023 Jun 30, 2023 TTHM MCL Yes No 104.6 UG/L 0.080 mg/L — Archived Jun 30, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2023 Mar 31, 2023 TTHM MCL Yes No 101.8 UG/L 0.080 mg/L — Archived Mar 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2022 Dec 31, 2022 TTHM MCL Yes No 117.6 UG/L 0.080 mg/L — Archived Dec 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2022 Dec 31, 2022 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2022 Dec 31, 2022 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2022 Sep 30, 2022 TTHM MCL Yes No 107.6 UG/L 0.080 mg/L — Archived Sep 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2022 Jun 30, 2022 TTHM MCL Yes No 87.8 UG/L 0.080 mg/L — Archived Jun 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2022 Mar 31, 2022 TTHM MCL Yes No 87.8 UG/L 0.080 mg/L — Archived Mar 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2021 Dec 31, 2021 TTHM MCL Yes No 99.7 UG/L 0.080 mg/L — Archived Dec 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2021 Sep 30, 2021 TTHM MCL Yes No 110 UG/L 0.080 mg/L — Archived Sep 30, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2021 Jun 30, 2021 TTHM MCL Yes No 112.8 UG/L 0.080 mg/L — Archived Jun 30, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2021 Mar 31, 2021 TTHM MCL Yes No 85 UG/L 0.080 mg/L — Archived Mar 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2017 — Consumer Confidence Rule Other No No — — — Resolved Sep 19, 2017 Consumer Confidence Rule
Jul 1, 2016 — Consumer Confidence Rule Other No No — — — Resolved Oct 3, 2016 Consumer Confidence Rule
Dec 1, 2000 Dec 31, 2000 Coliform (TCR) MCL Yes No — 5% of samples — Archived Dec 31, 2000 Total Coliform Rule
Dec 1, 2000 Dec 31, 2000 Coliform (TCR) MCL Yes No — 5% of samples — Archived Dec 31, 2000 Total Coliform Rule
Dec 1, 2000 Dec 31, 2000 Coliform (TCR) MCL Yes No — 5% of samples — Archived Dec 31, 2000 Total Coliform Rule
Sep 1, 1999 Sep 30, 1999 Coliform (TCR) MCL Yes No — 5% of samples — Archived Sep 30, 1999 Total Coliform Rule
Sep 1, 1999 Sep 30, 1999 Coliform (TCR) MCL Yes No — 5% of samples — Archived Sep 30, 1999 Total Coliform Rule
Sep 1, 1999 Sep 30, 1999 Coliform (TCR) MCL Yes No — 5% of samples — Archived Sep 30, 1999 Total Coliform Rule
Jun 1, 1999 Jun 30, 1999 Coliform (TCR) MCL Yes No — 5% of samples — Archived Jun 30, 1999 Total Coliform Rule
Jun 1, 1999 Jun 30, 1999 Coliform (TCR) MCL Yes No — 5% of samples — Archived Jun 30, 1999 Total Coliform Rule
Jun 1, 1999 Jun 30, 1999 Coliform (TCR) MCL Yes No — 5% of samples — Archived Jun 30, 1999 Total Coliform Rule
May 1, 1999 May 31, 1999 Coliform (TCR) MCL Yes No — 5% of samples — Archived May 31, 1999 Total Coliform Rule
May 1, 1999 May 31, 1999 Coliform (TCR) MCL Yes No — 5% of samples — Archived May 31, 1999 Total Coliform Rule
May 1, 1999 May 31, 1999 Coliform (TCR) MCL Yes No — 5% of samples — Archived May 31, 1999 Total Coliform Rule
Oct 1, 1997 Oct 31, 1997 Coliform (TCR) MCL Yes No — 5% of samples — Archived Oct 31, 1997 Total Coliform Rule
Oct 1, 1997 Oct 31, 1997 Coliform (TCR) MCL Yes No — 5% of samples — Archived Oct 31, 1997 Total Coliform Rule
Oct 1, 1997 Oct 31, 1997 Coliform (TCR) MCL Yes No — 5% of samples — Archived Oct 31, 1997 Total Coliform Rule
Jul 1, 1996 Jul 31, 1996 Coliform (TCR) MCL Yes No — 5% of samples — Archived Jul 31, 1996 Total Coliform Rule
May 1, 1996 May 31, 1996 Coliform (TCR) MCL Yes No — 5% of samples — Archived May 31, 1996 Total Coliform Rule
Oct 1, 1995 Oct 31, 1995 Coliform (TCR) MCL Yes No — 5% of samples — Archived Oct 31, 1995 Total Coliform Rule
Oct 19, 1994 Nov 18, 1994 Coliform (TCR) MR No Yes — 5% of samples — Archived Nov 18, 1994 Total Coliform Rule
Mar 1, 1994 Mar 31, 1994 Coliform (TCR) MCL Yes No — 5% of samples — Archived Mar 31, 1994 Total Coliform Rule
Nov 1, 1993 Nov 30, 1993 Coliform (TCR) MCL Yes No — 5% of samples — Archived Nov 30, 1993 Total Coliform Rule
Feb 1, 1993 Feb 28, 1993 Coliform (TCR) MCL Yes No — 5% of samples — Archived Feb 28, 1993 Total Coliform Rule
Nov 1, 1992 Nov 30, 1992 Coliform (TCR) MCL Yes No — 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 No — 5% of samples — Archived Sep 30, 1992 Total Coliform Rule
Aug 1, 1992 Aug 31, 1992 Coliform (TCR) MR No No — 5% of samples — Archived Aug 31, 1992 Total Coliform Rule
Jul 1, 1992 Jul 31, 1992 Coliform (TCR) MR No No — 5% of samples — Archived Jul 31, 1992 Total Coliform Rule
Jan 1, 1992 Jan 31, 1992 Coliform (TCR) MR No No — 5% of samples — Archived Jan 31, 1992 Total Coliform Rule
Dec 1, 1991 Dec 31, 1991 Coliform (TCR) MR No No — 5% of samples — Archived Dec 31, 1991 Total Coliform 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 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

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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