OHA Drinking Water Services
OR41
PWS ID: 01457 ---- HIGH DESERT ESTATES
Coliform Summary History

Note: Samples for a given monitoring period are due 10 days after period end date. Therefore the most recent monitoring periods may show zero samples reported. This does not mean the water system is out of compliance.

Number of Samples Reported
Abbreviations: TC+: Total Coliform Positive, EC+: E. Coli Positive
Exclude results older than 2023
Period End Date Routines Required Routines Reported Routine TC+ Routine EC+ Repeats Reported Repeat TC+ Repeat EC+ Period Type
Mar 31, 2026 1 300000MN
Feb 28, 2026 1 300000MN
Jan 31, 2026 1 300000MN
Dec 31, 2025 1 300000MN
Nov 30, 2025 1 300000MN
Oct 31, 2025 1 300000MN
Sep 30, 2025 1 400000MN
Aug 31, 2025 1 100000MN
Jul 31, 2025 1 300000MN
Jun 30, 2025 1 300000MN
May 31, 2025 1 300000MN
Apr 30, 2025 1 300000MN
Mar 31, 2025 1 300000MN
Feb 28, 2025 1 300000MN
Jan 31, 2025 1 300000MN
Dec 31, 2024 1 300000MN
Nov 30, 2024 1 300000MN
Oct 31, 2024 1 300000MN
Sep 30, 2024 1 300000MN
Aug 31, 2024 1 330540MN
Jul 31, 2024 1 330641MN
Jun 30, 2024 1 300000MN
May 31, 2024 1 300000MN
Apr 30, 2024 1 300000MN
Mar 31, 2024 1 300000MN
Feb 29, 2024 1 300000MN
Jan 31, 2024 1 300000MN
Dec 31, 2023 1 300000MN
Nov 30, 2023 1 300000MN
Oct 31, 2023 1 300000MN
Sep 30, 2023 1 300000MN
Aug 31, 2023 1 300000MN
Jul 31, 2023 1 300000MN
Jun 30, 2023 1 310300MN
May 31, 2023 1 300000MN
Apr 30, 2023 1 300000MN
Mar 31, 2023 1 300000MN
Feb 28, 2023 1 300000MN
Jan 31, 2023 1 300000MN
Dec 31, 2022 1 300000MN
Nov 30, 2022 1 310400MN
Oct 31, 2022 1 310330MN
Sep 30, 2022 1 300000MN
Aug 31, 2022 1 300000MN
Jul 31, 2022 1 300000MN
Jun 30, 2022 1 300000MN
May 31, 2022 1 300000MN
Apr 30, 2022 1 300000MN
Mar 31, 2022 1 300000MN
Feb 28, 2022 1 300000MN
Jan 31, 2022 1 300000MN
Dec 31, 2021 1 300000MN
Nov 30, 2021 1 300000MN
Oct 31, 2021 1 300000MN
Sep 30, 2021 1 300000MN
Aug 31, 2021 1 310840MN
Jul 31, 2021 1 300000MN
Jun 30, 2021 1 300000MN
May 31, 2021 1 300000MN
Apr 30, 2021 1 300000MN
Mar 31, 2021 1 300000MN
Feb 28, 2021 1 300000MN
Jan 31, 2021 1 300000MN
Dec 31, 2020 1 300000MN
Nov 30, 2020 1 300000MN
Oct 31, 2020 1 310320MN
Sep 30, 2020 1 300000MN
Aug 31, 2020 1 300000MN
Jul 31, 2020 1 310330MN
Jun 30, 2020 1 300000MN
May 31, 2020 1 100000MN
Apr 30, 2020 1 300000MN
Mar 31, 2020 1 300000MN
Feb 29, 2020 1 300000MN
Jan 31, 2020 1 300000MN
Dec 31, 2019 1 300000MN
Nov 30, 2019 1 300000MN
Oct 31, 2019 1 300000MN
Sep 30, 2019 1 300000MN
Aug 31, 2019 1 300000MN
Jul 31, 2019 1 300000MN
Jun 30, 2019 1 300000MN
May 31, 2019 1 300000MN
Apr 30, 2019 1 300000MN
Mar 31, 2019 1 300000MN
Feb 28, 2019 1 300000MN
Jan 31, 2019 1 300000MN
Dec 31, 2018 1 300000MN
Nov 30, 2018 1 300000MN
Oct 31, 2018 1 300000MN
Sep 30, 2018 1 300000MN
Aug 31, 2018 1 300000MN
Jul 31, 2018 1 300000MN
Jun 30, 2018 1 300000MN
May 31, 2018 1 300000MN
Apr 30, 2018 1 300000MN
Mar 31, 2018 1 300000MN
Feb 28, 2018 1 300000MN
Jan 31, 2018 1 300000MN
Dec 31, 2017 1 300000MN
Nov 30, 2017 1 300000MN
Oct 31, 2017 1 300000MN
Sep 30, 2017 1 300000MN
Aug 31, 2017 1 300000MN
Jul 31, 2017 1 300000MN
Jun 30, 2017 1 300000MN
May 31, 2017 1 300000MN
Apr 30, 2017 1 300000MN
Mar 31, 2017 1 300000MN
Feb 28, 2017 1 310300MN
Jan 31, 2017 1 300000MN
Dec 31, 2016 1 300000MN
Nov 30, 2016 1 300000MN
Oct 31, 2016 1 300000MN
Sep 30, 2016 1 300000MN
Aug 31, 2016 1 300000MN
Jul 31, 2016 1 300000MN
Jun 30, 2016 1 300000MN
May 31, 2016 1 300000MN
Apr 30, 2016 1 300000MN
Mar 31, 2016 1 300000MN
Feb 29, 2016 1 300000MN
Jan 31, 2016 1 300000MN
Dec 31, 2015 1 300000MN
Nov 30, 2015 1 300000MN
Oct 31, 2015 1 400000MN
Sep 30, 2015 1 100000MN
Aug 31, 2015 1 100000MN
Jul 31, 2015 5 300000MN
Jun 30, 2015 5 550000MN
May 31, 2015 1 110400MN
Apr 30, 2015 1 100000MN
Mar 31, 2015 1 100000MN
Feb 28, 2015 1 100000MN
Jan 31, 2015 1 100000MN
Dec 31, 2014 1 100000MN
Nov 30, 2014 1 100000MN
Oct 31, 2014 1 100000MN
Sep 30, 2014 1 100000MN
Aug 31, 2014 1 100000MN
Jul 31, 2014 1 100000MN
Jun 30, 2014 1 100000MN
May 31, 2014 1 100000MN
Apr 30, 2014 1 100000MN
Mar 31, 2014 1 100000MN
Feb 28, 2014 1 100000MN
Jan 31, 2014 1 100000MN
Dec 31, 2013 5 500000MN
Nov 30, 2013 1 110300MN
Oct 31, 2013 1 100000MN
Sep 30, 2013 1 100000MN
Aug 31, 2013 1 100000MN
Jul 31, 2013 1 100000MN
Jun 30, 2013 1 100000MN
May 31, 2013 1 100000MN
Apr 30, 2013 1 100000MN
Mar 31, 2013 1 100000MN
Feb 28, 2013 1 100000MN
Jan 31, 2013 1 100000MN
Dec 31, 2012 1 100000MN
Nov 30, 2012 1 100000MN
Oct 31, 2012 1 100000MN
Sep 30, 2012 1 100000MN
Aug 31, 2012 1 100000MN
Jul 31, 2012 1 100000MN
Jun 30, 2012 1 100000MN
May 31, 2012 1 100000MN
Apr 30, 2012 1 100000MN
Mar 31, 2012 1 100000MN
Feb 29, 2012 1 100000MN
Jan 31, 2012 1 100000MN
Dec 31, 2011 1 100000MN
Nov 30, 2011 1 100000MN
Oct 31, 2011 1 100000MN
Sep 30, 2011 1 100000MN
Aug 31, 2011 1 100000MN
Jul 31, 2011 1 100000MN
Jun 30, 2011 1 100000MN
May 31, 2011 1 100000MN
Apr 30, 2011 1 100000MN
Mar 31, 2011 1 100000MN
Feb 28, 2011 1 100000MN
Jan 31, 2011 1 100000MN
Dec 31, 2010 1 100000MN
Nov 30, 2010 1 100000MN
Oct 31, 2010 1 100000MN
Sep 30, 2010 1 100000MN
Aug 31, 2010 1 100000MN
Jul 31, 2010 1 100000MN
Jun 30, 2010 1 100000MN
May 31, 2010 1 100000MN
Apr 30, 2010 1 100000MN
Mar 31, 2010 1 100000MN
Feb 28, 2010 1 100000MN
Jan 31, 2010 1 100000MN
Dec 31, 2009 1 100000MN
Nov 30, 2009 1 100000MN
Oct 31, 2009 1 100000MN
Sep 30, 2009 5 500000MN
Aug 31, 2009 1 110420MN
Jul 31, 2009 1 100000MN
Jun 30, 2009 1 100000MN
May 31, 2009 1 100000MN
Apr 30, 2009 1 100000MN
Mar 31, 2009 1 100000MN
Feb 28, 2009 5 500000MN
Jan 31, 2009 1 110400MN
Dec 31, 2008 1 100000MN
Nov 30, 2008 5 500000MN
Oct 31, 2008 1 110400MN
Sep 30, 2008 1 100000MN
Aug 31, 2008 1 100000MN
Jul 31, 2008 1 100000MN
Jun 30, 2008 1 100000MN
May 31, 2008 1 100000MN
Apr 30, 2008 1 100000MN
Mar 31, 2008 1 100000MN
Feb 29, 2008 1 100000MN
Jan 31, 2008 1 100000MN
Dec 31, 2007 1 100000MN
Nov 30, 2007 1 100000MN
Oct 31, 2007 1 100000MN
Sep 30, 2007 5 500000MN
Aug 31, 2007 1 110400MN
Jul 31, 2007 1 100000MN
Jun 30, 2007 1 100000MN
May 31, 2007 1 100000MN
Apr 30, 2007 1 100000MN
Mar 31, 2007 1 100000MN
Feb 28, 2007 1 100000MN
Jan 31, 2007 1 100000MN
Dec 31, 2006 1 100000MN
Nov 30, 2006 1 100000MN
Oct 31, 2006 1 100000MN
Sep 30, 2006 1 100000MN
Aug 31, 2006 1 100000MN
Jul 31, 2006 1 100000MN
Jun 30, 2006 1 100000MN
May 31, 2006 1 100000MN
Apr 30, 2006 1 100000MN
Mar 31, 2006 1 100000MN
Feb 28, 2006 1 100000MN
Jan 31, 2006 1 100000MN
Dec 31, 2005 1 100000MN
Nov 30, 2005 1 100000MN
Oct 31, 2005 1 100000MN
Sep 30, 2005 1 100000MN
Aug 31, 2005 1 100000MN
Jul 31, 2005 1 100000MN
Jun 30, 2005 1 100000MN
May 31, 2005 1 100000MN
Apr 30, 2005 1 100000MN
Mar 31, 2005 1 100000MN
Feb 28, 2005 1 100000MN
Jan 31, 2005 1 100000MN
Dec 31, 2004 1 100000MN
Nov 30, 2004 1 100000MN
Oct 31, 2004 1 100000MN
Sep 30, 2004 1 100000MN
Aug 31, 2004 1 100000MN
Jul 31, 2004 1 100000MN
Jun 30, 2004 1 100000MN
May 31, 2004 1 100000MN
Apr 30, 2004 1 100000MN
Mar 31, 2004 1 100000MN
Feb 29, 2004 1 100000MN
Jan 31, 2004 1 100000MN
Dec 31, 2003 1 100000MN
Nov 30, 2003 1 100000MN
Oct 31, 2003 1 100000MN
Sep 30, 2003 1 100000MN
Aug 31, 2003 1 200000MN
Jul 31, 2003 1 100000MN
Jun 30, 2003 1 100000MN
May 31, 2003 1 100000MN
Apr 30, 2003 1 100000MN
Mar 31, 2003 1 100000MN
Feb 28, 2003 1 100000MN
Jan 31, 2003 1 100000MN
Dec 31, 2002 1 100000MN
Nov 30, 2002 1 100000MN
Oct 31, 2002 1 100000MN
Sep 30, 2002 1 100000MN
Aug 31, 2002 1 100000MN
Jul 31, 2002 1 100000MN
Jun 30, 2002 1 100000MN
May 31, 2002 1 200000MN
Apr 30, 2002 1 100000MN
Mar 31, 2002 1 100000MN
Feb 28, 2002 1 100000MN
Jan 31, 2002 1 100000MN
Exclude results older than 2023