Public Water Partners

Coupeville, WA · Island County

LOST LAKE PROPERTY OWNERS ASSN Water System

Consumer Confidence Report status

LOST LAKE PROPERTY OWNERS ASSN must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.

As of August 1, 2026, EPA's federal records show no open violations for LOST LAKE PROPERTY OWNERS ASSN.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Washington’s official records. Always confirm current status with Washington before making decisions based on this information.

System facts

System ID (PWSID)
WA5348345
System type
Community Water System
Population served
736
Service connections
402
Ownership
privately owned
Water source
groundwater (wells)

LOST LAKE PROPERTY OWNERS ASSN is one of 428 community water systems in Washington in the 501 to 3,300 people size category, serving 736 people from groundwater.

As of August 1, 2026, its federal record holds 24 entries between 1979 and 2025, all of which EPA lists as closed.

Of the 24, 21 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves inorganic chemicals, the Stage 2 Disinfectants and Disinfection Byproducts Rule, and the Consumer Confidence Rule.

Violation history

  • Consumer Confidence Report Complete Failure to Report

    —

    Consumer Confidence Rule

    July 1, 2025 – September 3, 2025

    Resolved

  • Monitoring and Reporting (DBP)

    —

    TTHM

    January 1, 2023 – December 31, 2023

    Resolved

  • Monitoring and Reporting (DBP)

    —

    Total Haloacetic Acids (HAA5)

    January 1, 2023 – December 31, 2023

    Resolved

  • Monitoring, Regular

    —

    Nitrate

    January 1, 2022 – December 31, 2022

    Resolved

  • Monitoring and Reporting (DBP)

    —

    Total Haloacetic Acids (HAA5)

    January 1, 2022 – December 31, 2022

    Resolved

  • Monitoring and Reporting (DBP)

    —

    TTHM

    January 1, 2022 – December 31, 2022

    Resolved

  • Consumer Confidence Report Complete Failure to Report

    —

    Consumer Confidence Rule

    July 1, 2013 – October 22, 2013

    Resolved

  • Consumer Confidence Report Complete Failure to Report

    —

    Consumer Confidence Rule

    July 1, 2010 – November 29, 2010

    Resolved

  • Monitoring, Regular

    —

    Fluoride

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Mercury

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Nickel

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Selenium

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Arsenic

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Beryllium, Total

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Thallium, Total

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Antimony, Total

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Barium

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Cadmium

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    Chromium

    January 1, 2008 – December 31, 2010

    Resolved

  • Monitoring, Regular

    —

    CYANIDE

    January 1, 2008 – December 31, 2010

    Resolved

  • Follow-up Or Routine LCR Tap M/R

    —

    Lead and Copper Rule

    January 1, 2005 – December 31, 2005

    Resolved

  • Follow-up Or Routine LCR Tap M/R

    —

    Lead and Copper Rule

    January 1, 2004 – August 30, 2008

    Resolved

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    February 1, 1996 – February 29, 1996

    Archived

  • Monitoring, Regular

    —

    Gross Alpha, Excl. Radon and U

    October 1, 1979 – October 31, 1979

    Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

Common questions

Is LOST LAKE PROPERTY OWNERS ASSN required to publish a Consumer Confidence Report?

Yes. LOST LAKE PROPERTY OWNERS ASSN is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.

When is LOST LAKE PROPERTY OWNERS ASSN’s next Consumer Confidence Report due?

LOST LAKE PROPERTY OWNERS ASSN’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does LOST LAKE PROPERTY OWNERS ASSN have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show no open violations for LOST LAKE PROPERTY OWNERS ASSN.

What is a Consumer Confidence Report?

A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.

Contact

LOST LAKE PROPERTY OWNERS ASSN

Phone not on record

Coupeville, WA 98239