Public Water Partners

Vashon, WA · King County

MAURY MUTUAL WATER CO Water System

Consumer Confidence Report status

MAURY MUTUAL WATER CO 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 1 item for MAURY MUTUAL WATER CO that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.

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)
WA5352100
System type
Community Water System
Population served
233
Service connections
93
Ownership
privately owned
Water source
groundwater (wells)

MAURY MUTUAL WATER CO is one of 3,227 community water systems in Washington in the 500 or fewer people size category, serving 233 people from groundwater.

As of August 1, 2026, its federal record holds 6 entries between 1979 and 2024, of which 1 remains open; none are health-based.

Of the 6, 3 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 the Consumer Confidence Rule, the Total Coliform Rules, and the Lead and Copper Rule.

Violation history

  • Consumer Confidence Report Complete Failure to Report

    —

    Consumer Confidence Rule

    July 1, 2024 – December 19, 2024

    Resolved

  • Follow-up Or Routine LCR Tap M/R

    —

    Lead and Copper Rule

    January 1, 2023

    Unaddressed

  • Consumer Confidence Report Complete Failure to Report

    —

    Consumer Confidence Rule

    July 1, 2022 – September 19, 2022

    Resolved

  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    March 1, 1995 – March 31, 1995

    Archived

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    May 1, 1992 – May 31, 1992

    Archived

  • Monitoring, Regular

    —

    Gross Alpha, Excl. Radon and U

    October 1, 1979 – October 31, 1979

    Archived

Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yetArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

Common questions

Is MAURY MUTUAL WATER CO required to publish a Consumer Confidence Report?

Yes. MAURY MUTUAL WATER CO 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 MAURY MUTUAL WATER CO’s next Consumer Confidence Report due?

MAURY MUTUAL WATER CO’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does MAURY MUTUAL WATER CO have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show 1 item for MAURY MUTUAL WATER CO that is open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.

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

MAURY MUTUAL WATER CO

Phone not on record

Vashon, WA 98070