Public Water Partners

Mt Vernon, WA · Island County

HARRIS CUSTER ESTATES WATER ASSN Water System

Consumer Confidence Report status

HARRIS CUSTER ESTATES WATER 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 1 item for HARRIS CUSTER ESTATES WATER ASSN 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)
WA5317035
System type
Community Water System
Population served
194
Service connections
63
Ownership
privately owned
Water source
groundwater (wells)

HARRIS CUSTER ESTATES WATER ASSN is one of 3,227 community water systems in Washington in the 500 or fewer people size category, serving 194 people from groundwater.

As of August 1, 2026, its federal record holds 7 entries between 1979 and 2025, of which 1 remains open; none are health-based.

Of the 7, 5 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 Lead and Copper Rule, the Consumer Confidence Rule, and inorganic chemicals.

Violation history

  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2025 – October 6, 2025

    Resolved
  • Follow-up Or Routine LCR Tap M/R

    Lead and Copper Rule

    January 1, 2023

    Unaddressed
  • Monitoring, Regular

    Nitrate

    January 1, 2022 – December 31, 2022

    Resolved
  • Monitoring and Reporting (DBP)

    TTHM

    January 1, 2022 – December 31, 2024

    Resolved
  • Follow-up Or Routine LCR Tap M/R

    Lead and Copper Rule

    January 1, 2019 – September 19, 2022

    Resolved
  • Treatment Technique, Level 1 Assessment (RTCR)

    Health-based

    Revised Total Coliform Rule

    May 1, 2017 – August 29, 2017

    Resolved
  • 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 HARRIS CUSTER ESTATES WATER ASSN required to publish a Consumer Confidence Report?

Yes. HARRIS CUSTER ESTATES WATER 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 HARRIS CUSTER ESTATES WATER ASSN’s next Consumer Confidence Report due?

HARRIS CUSTER ESTATES WATER ASSN’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does HARRIS CUSTER ESTATES WATER ASSN have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show 1 item for HARRIS CUSTER ESTATES WATER ASSN 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

HARRIS CUSTER ESTATES WATER ASSN

Phone not on record

Mt Vernon, WA 98273