Drinking Water Compliance OS

Coupeville, WA · Island County

SUNSET WEST Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 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)
WA5361761
System type
Community Water System
Population served
75
Service connections
36
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Maximum Contaminant Level Violation, E. coli (RTCR)

    Health-based

    Revised Total Coliform Rule

    November 1, 2023 – November 30, 2023

    Resolved
  • Monitoring, Regular

    Arsenic

    October 1, 2023 – December 31, 2023

    Archived
  • Monitoring, Regular

    Arsenic

    July 1, 2023 – September 30, 2023

    Archived
  • Monitoring, Regular

    Nitrate

    January 1, 2022 – December 31, 2022

    Resolved
  • Monitoring, Regular

    Arsenic

    January 1, 2020 – December 31, 2022

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

    Lead and Copper Rule

    January 1, 2019 – September 30, 2022

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

    Lead and Copper Rule

    January 1, 2006 – December 31, 2006

    Resolved

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

Enforcement actions

Contact

SUNSET WEST

Phone not on record

Coupeville, WA 98239