Public Water Partners

Coupeville, WA · Island County

CORNET BAY HEIGHTS WATER ASSN INC Water System

Consumer Confidence Report status

CORNET BAY HEIGHTS WATER ASSN INC 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 CORNET BAY HEIGHTS WATER ASSN INC.

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)
WA5315020
System type
Community Water System
Population served
99
Service connections
53
Ownership
privately owned
Water source
groundwater (wells)

CORNET BAY HEIGHTS WATER ASSN INC is one of 3,227 community water systems in Washington in the 500 or fewer people size category, serving 99 people from groundwater.

As of August 1, 2026, its federal record holds 33 entries between 1979 and 2025, all of which EPA lists as closed.

Of the 33, 31 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 volatile organic chemicals, the Total Coliform Rules, and inorganic chemicals.

Violation history

  • Monitoring, Routine (RTCR)

    —

    Revised Total Coliform Rule

    February 1, 2025 – February 28, 2025

    Resolved

  • Monitoring, Routine (RTCR)

    —

    Revised Total Coliform Rule

    November 1, 2024 – November 30, 2024

    Resolved

  • Monitoring, Routine (RTCR)

    —

    Revised Total Coliform Rule

    October 1, 2024 – October 31, 2024

    Resolved

  • Monitoring, Routine (RTCR)

    —

    Revised Total Coliform Rule

    September 1, 2024 – September 30, 2024

    Resolved

  • Monitoring, Routine (RTCR)

    —

    Revised Total Coliform Rule

    July 1, 2024 – July 31, 2024

    Resolved

  • Monitoring, Regular

    —

    Nitrate

    January 1, 2024 – December 31, 2024

    Resolved

  • Monitoring, Regular

    —

    Nitrate

    January 1, 2024 – December 31, 2024

    Resolved

  • Follow-up Or Routine LCR Tap M/R

    —

    Lead and Copper Rule

    January 1, 2022 – June 17, 2025

    Resolved

  • Monitoring, Regular

    —

    Nitrate

    January 1, 2003 – December 31, 2003

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloroethane

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    1,1,1-Trichloroethane

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Carbon tetrachloride

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    1,2-Dichloropropane

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Trichloroethylene

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    1,1,2-Trichloroethane

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Tetrachloroethylene

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Benzene

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Toluene

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Ethylbenzene

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Styrene

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    CHLOROBENZENE

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    1,2,4-Trichlorobenzene

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    cis-1,2-Dichloroethylene

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    DICHLOROMETHANE

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    o-Dichlorobenzene

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    p-Dichlorobenzene

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    Vinyl chloride

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    1,1-Dichloroethylene

    January 1, 2002 – December 31, 2004

    Resolved

  • Monitoring, Regular

    —

    trans-1,2-Dichloroethylene

    January 1, 2002 – December 31, 2004

    Resolved

  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    October 1, 1996 – October 31, 1996

    Archived

  • Monitoring, Routine Major (TCR)

    —

    Coliform (TCR)

    February 1, 1993 – February 28, 1993

    Archived

  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    January 1, 1993 – January 31, 1993

    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 CORNET BAY HEIGHTS WATER ASSN INC required to publish a Consumer Confidence Report?

Yes. CORNET BAY HEIGHTS WATER ASSN INC 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 CORNET BAY HEIGHTS WATER ASSN INC’s next Consumer Confidence Report due?

CORNET BAY HEIGHTS WATER ASSN INC’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does CORNET BAY HEIGHTS WATER ASSN INC have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show no open violations for CORNET BAY HEIGHTS WATER ASSN INC.

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

CORNET BAY HEIGHTS WATER ASSN INC

Phone not on record

Coupeville, WA 98239