Drinking Water Compliance OS

FAIRVIEW, OR · Multnomah County

WEST INTERLACHEN WATER CO-OP Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of December 15, 1998. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.

If you are a resident looking for your current water provider, see water systems in Multnomah County, OR.

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 Oregon’s official records. Always confirm current status with Oregon before making decisions based on this information.

System facts

System ID (PWSID)
OR4100903
System type
Community Water System
Population served
135
Service connections
45
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Initial Tap Sampling for Pb and Cu

    Lead and Copper Rule

    January 1, 1994 – June 11, 1996

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    April 1, 1993 – April 30, 1993

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    October 1, 1992 – October 31, 1992

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    October 1, 1992 – October 31, 1992

    Archived
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    September 1, 1992 – September 30, 1992

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    August 1, 1992 – August 31, 1992

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    June 1, 1976 – May 31, 1980

    Archived
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    June 1, 1976 – May 31, 1980

    Archived

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

Enforcement actions

Last known contact on file (system is inactive)

Not on record

503-667-5115

FAIRVIEW, OR 97024