Drinking Water Compliance OS

HILLSBORO, OR · Washington County

OLD SCHOLLS FARM LLC Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of October 8, 2019. 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 Washington 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)
OR4193597
System type
Community Water System
Population served
9
Service connections
3
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    June 1, 2016 – June 30, 2016

    Archived
  • Public Notification Violation for NPDWR Violation

    Public Notice

    April 18, 2016 – May 27, 2016

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    March 1, 2016 – March 31, 2016

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    February 1, 2016 – February 29, 2016

    Resolved
  • Monitoring, Source Water (GWR)

    E. COLI

    September 14, 2014 – September 15, 2014

    Resolved
  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    August 1, 2014 – August 31, 2014

    Resolved
  • Monitoring, Source Water (GWR)

    E. COLI

    July 6, 2014 – July 29, 2014

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    June 1, 2014 – June 30, 2014

    Resolved
  • Monitoring, Source Water (GWR)

    E. COLI

    May 30, 2014 – July 29, 2014

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    May 1, 2014 – May 31, 2014

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    April 1, 2014 – April 30, 2014

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

    Lead and Copper Rule

    July 1, 2013 – October 10, 2013

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    July 1, 2010 – September 30, 2010

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    April 1, 2010 – June 30, 2010

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    October 1, 2009 – October 31, 2009

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    July 1, 2009 – September 30, 2009

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    October 1, 2008 – December 31, 2008

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    July 1, 2008 – September 30, 2008

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    April 1, 2008 – June 30, 2008

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    January 1, 2008 – March 31, 2008

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2004 – December 31, 2004

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 2002 – December 31, 2002

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    July 1, 1998 – September 30, 1998

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    April 1, 1998 – June 30, 1998

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 1998 – December 31, 1998

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    July 1, 1997 – July 31, 1997

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    July 1, 1997 – September 30, 1997

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    May 1, 1997 – May 31, 1997

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    April 1, 1997 – June 30, 1997

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 1996 – December 31, 1996

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    July 1, 1995 – September 30, 1995

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    April 1, 1995 – June 30, 1995

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    July 1, 1994 – September 30, 1994

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    April 1, 1994 – June 30, 1994

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    July 1, 1993 – September 30, 1993

    Resolved
  • Monitoring, Repeat Minor (TCR)

    Coliform (TCR)

    April 1, 1993 – June 30, 1993

    Resolved

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

Enforcement actions

Last known contact on file (system is inactive)

MEYER, ANDRE/KATHY

503-899-7552

HILLSBORO, OR 97123