Drinking Water Compliance OS

COTTAGE GROVE, OR · Lane County

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

System facts

System ID (PWSID)
OR4100238
System type
Community Water System
Population served
255
Service connections
98
Ownership
local government
Water source
groundwater (wells)

Violation history

  • Follow-up Or Routine LCR Tap M/R

    Lead and Copper Rule

    October 1, 2023 – August 23, 2024

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    October 1, 2023 – December 5, 2023

    Resolved
  • Monitoring, Regular

    Combined Uranium

    January 1, 2017 – March 31, 2017

    Resolved
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    January 1, 2017 – March 31, 2017

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    January 1, 2017 – March 31, 2017

    Resolved
  • Failure to Conduct Assessment Monitoring

    COLIPHAGE

    January 1, 2012 – December 31, 2012

    Resolved
  • Failure to Conduct Assessment Monitoring

    COLIPHAGE

    January 1, 2012 – December 31, 2012

    Resolved
  • Failure to Conduct Assessment Monitoring

    COLIPHAGE

    January 1, 2012 – December 31, 2012

    Resolved
  • Failure to Conduct Assessment Monitoring

    COLIPHAGE

    January 1, 2012 – December 31, 2012

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    December 1, 2009 – December 31, 2009

    Resolved
  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    June 1, 2005 – June 30, 2005

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    June 1, 2005 – June 30, 2005

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    December 1, 2004 – December 31, 2004

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    October 1, 2004 – October 31, 2004

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    September 1, 2004 – September 30, 2004

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    August 1, 2004 – August 31, 2004

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    April 1, 2004 – April 30, 2004

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    March 1, 2003 – March 31, 2003

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    November 1, 2002 – November 30, 2002

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    May 1, 2002 – May 31, 2002

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    April 1, 2002 – April 30, 2002

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    March 1, 2002 – March 31, 2002

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    August 1, 2001 – August 31, 2001

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    May 1, 2001 – May 31, 2001

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 1997 – December 31, 1997

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    April 1, 1991 – April 30, 1991

    Resolved
  • Monitoring, Regular

    Combined Radium (-226 and -228)

    June 1, 1976 – May 31, 1980

    Archived
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    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

Contact

LAMONTAI IMPROVEMENT WTR DIST

541-206-3976

COTTAGE GROVE, OR 97424