Public Water Partners

Mt Vernon, WA · Snohomish County

TATOOSH WATER COMPANY Water System

Consumer Confidence Report status

TATOOSH WATER COMPANY 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 TATOOSH WATER COMPANY 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)
WA5387189
System type
Community Water System
Population served
387
Service connections
153
Ownership
privately owned
Water source
groundwater (wells)

TATOOSH WATER COMPANY is one of 3,227 community water systems in Washington in the 500 or fewer people size category, serving 387 people from groundwater.

As of August 1, 2026, its federal record holds 15 entries between 1979 and 2023, of which 1 remains open; none are health-based.

Of the 15, 12 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 Total Coliform Rules, and the Lead and Copper Rule.

Violation history

  • 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, 2017 – February 6, 2018

    Resolved

  • Follow-up Or Routine LCR Tap M/R

    —

    Lead and Copper Rule

    January 1, 2005 – December 31, 2005

    Resolved

  • Monitoring, Repeat Major (TCR)

    —

    Coliform (TCR)

    June 1, 1996 – June 30, 1996

    Archived

  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    May 1, 1996 – May 31, 1996

    Archived

  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    September 1, 1995 – September 30, 1995

    Archived

  • Monitoring, Regular

    —

    Cadmium

    October 1, 1979 – October 31, 1979

    Archived

  • Monitoring, Regular

    —

    Chromium

    October 1, 1979 – October 31, 1979

    Archived

  • Monitoring, Regular

    —

    Fluoride

    October 1, 1979 – October 31, 1979

    Archived

  • Monitoring, Regular

    —

    Mercury

    October 1, 1979 – October 31, 1979

    Archived

  • Monitoring, Regular

    —

    Nitrate

    October 1, 1979 – October 31, 1979

    Archived

  • Monitoring, Regular

    —

    Selenium

    October 1, 1979 – October 31, 1979

    Archived

  • Monitoring, Regular

    —

    Arsenic

    October 1, 1979 – October 31, 1979

    Archived

  • Monitoring, Regular

    —

    Barium

    October 1, 1979 – October 31, 1979

    Archived

  • Monitoring, Regular

    —

    Gross Alpha, Excl. Radon and U

    October 1, 1979 – October 31, 1979

    Archived

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

Enforcement actions

Common questions

Is TATOOSH WATER COMPANY required to publish a Consumer Confidence Report?

Yes. TATOOSH WATER COMPANY 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 TATOOSH WATER COMPANY’s next Consumer Confidence Report due?

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

Does TATOOSH WATER COMPANY have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show 1 item for TATOOSH WATER COMPANY 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

TATOOSH WATER COMPANY

Phone not on record

Mt Vernon, WA 98273