Drinking Water Compliance OS

SEQUIM, WA · Clallam County

MAINS FARM PROPERTY OWNERS 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)
WA5350400
System type
Community Water System
Population served
358
Service connections
169
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2025 – September 28, 2025

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    June 1, 2013 – June 30, 2013

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2010 – November 1, 2010

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    August 1, 1995 – August 31, 1995

    Archived
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    April 1, 1993 – April 30, 1993

    Archived
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    November 1, 1992 – November 30, 1992

    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

Contact

MAINS FARM PROPERTY OWNERS

Phone not on record

SEQUIM, WA 98382