Drinking Water Compliance OS

CONEJOS, CO · Conejos County

CONEJOS WS Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of December 7, 2016. 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 Conejos County, CO.

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

System facts

System ID (PWSID)
CO0111300
System type
Community Water System
Population served
80
Service connections
22
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    July 1, 2016 – July 31, 2016

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    February 1, 2014 – February 28, 2014

    Resolved
  • Monitoring, Regular

    Styrene

    January 1, 2011 – December 31, 2013

    Archived
  • Monitoring, Regular

    1,2-Dichloropropane

    January 1, 2011 – December 31, 2013

    Archived
  • Monitoring, Regular

    Trichloroethylene

    January 1, 2011 – December 31, 2013

    Archived
  • Monitoring, Regular

    Benzene

    January 1, 2011 – December 31, 2013

    Archived
  • Monitoring, Regular

    Toluene

    January 1, 2011 – December 31, 2013

    Archived
  • Monitoring, Regular

    Total Polychlorinated Biphenyls (PCB)

    January 1, 2011 – December 31, 2013

    Archived
  • Monitoring, Regular

    LASSO

    January 1, 2011 – December 31, 2013

    Archived
  • Monitoring, Regular

    Atrazine

    January 1, 2011 – December 31, 2013

    Archived
  • Monitoring, Regular

    Diquat

    January 1, 2011 – December 31, 2013

    Archived
  • Monitoring, Regular

    BHC-GAMMA

    January 1, 2011 – December 31, 2013

    Archived
  • Monitoring and Reporting (DBP)

    Total Haloacetic Acids (HAA5)

    January 1, 2011 – December 31, 2011

    Resolved
  • Monitoring, Regular

    Chromium

    January 1, 2011 – December 31, 2013

    Archived
  • Monitoring, Regular

    Beryllium, Total

    January 1, 2011 – December 31, 2013

    Archived
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    January 1, 2011 – December 31, 2013

    Archived
  • Monitoring, Regular

    DICHLOROMETHANE

    January 1, 2011 – December 31, 2013

    Archived
  • Monitoring, Regular

    1,1-Dichloroethylene

    January 1, 2011 – December 31, 2013

    Archived
  • Monitoring, Regular

    1,2-Dichloroethane

    January 1, 2011 – December 31, 2013

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

    Lead and Copper Rule

    October 1, 2005 – January 31, 2007

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

    Lead and Copper Rule

    January 1, 2002 – July 30, 2008

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    April 1, 2000 – April 30, 2000

    Resolved
  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    March 1, 2000 – March 31, 2000

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    November 1, 1999 – November 30, 1999

    Resolved
  • Initial Tap Sampling for Pb and Cu

    Lead and Copper Rule

    January 1, 1997 – September 17, 1997

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    June 1, 1996 – June 30, 1996

    Resolved
  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    May 1, 1996 – May 31, 1996

    Resolved
  • Monitoring, Regular

    Nitrate

    January 1, 1994 – December 31, 1994

    Archived
  • Monitoring, Regular

    Nitrate

    January 1, 1993 – December 31, 1993

    Resolved
  • Monitoring, Repeat Major (TCR)

    Coliform (TCR)

    June 1, 1992 – June 30, 1992

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    January 1, 1992 – December 31, 1995

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    January 1, 1991 – March 31, 1991

    Archived
  • Monitoring, Regular

    Benzene

    January 1, 1991 – March 31, 1991

    Archived
  • Monitoring, Regular

    Carbon tetrachloride

    January 1, 1991 – March 31, 1991

    Archived
  • Monitoring, Regular

    p-Dichlorobenzene

    January 1, 1991 – March 31, 1991

    Archived
  • Monitoring, Regular

    1,2-Dichloroethane

    January 1, 1991 – March 31, 1991

    Archived
  • Monitoring, Regular

    1,1-Dichloroethylene

    January 1, 1991 – March 31, 1991

    Archived
  • Monitoring, Regular

    1,1,1-Trichloroethane

    January 1, 1991 – March 31, 1991

    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)

DURAN, SHIRLEY

719-588-9012

CONEJOS, CO 81129