OHA Drinking Water Services
OR41
PWS ID: 00893 ---- TILLAMOOK WATER DEPT, CITY OF
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 2022
Period End Date Routines Required Routines Reported Routine TC+ Routine EC+ Repeats Reported Repeat TC+ Repeat EC+ Period Type
May 31, 2025 6 000000MN
Apr 30, 2025 6 600000MN
Mar 31, 2025 6 600000MN
Feb 28, 2025 6 600000MN
Jan 31, 2025 6 600000MN
Dec 31, 2024 6 600000MN
Nov 30, 2024 6 600000MN
Oct 31, 2024 6 600000MN
Sep 30, 2024 6 600000MN
Aug 31, 2024 6 600000MN
Jul 31, 2024 6 600000MN
Jun 30, 2024 6 600000MN
May 31, 2024 6 600000MN
Apr 30, 2024 6 600000MN
Mar 31, 2024 6 600000MN
Feb 29, 2024 6 600000MN
Jan 31, 2024 6 600000MN
Dec 31, 2023 6 600000MN
Nov 30, 2023 6 600000MN
Oct 31, 2023 6 610310MN
Sep 30, 2023 6 600000MN
Aug 31, 2023 6 600000MN
Jul 31, 2023 6 600000MN
Jun 30, 2023 6 600000MN
May 31, 2023 6 600000MN
Apr 30, 2023 6 600000MN
Mar 31, 2023 6 600000MN
Feb 28, 2023 6 600000MN
Jan 31, 2023 6 600000MN
Dec 31, 2022 6 600000MN
Nov 30, 2022 6 600000MN
Oct 31, 2022 6 600000MN
Sep 30, 2022 6 600000MN
Aug 31, 2022 6 600000MN
Jul 31, 2022 6 600000MN
Jun 30, 2022 6 600000MN
May 31, 2022 6 600000MN
Apr 30, 2022 6 600000MN
Mar 31, 2022 6 600000MN
Feb 28, 2022 6 600000MN
Jan 31, 2022 6 600000MN
Dec 31, 2021 6 600000MN
Nov 30, 2021 6 600000MN
Oct 31, 2021 6 600000MN
Sep 30, 2021 6 600000MN
Aug 31, 2021 6 600000MN
Jul 31, 2021 6 600000MN
Jun 30, 2021 6 600000MN
May 31, 2021 6 600000MN
Apr 30, 2021 5 600000MN
Mar 31, 2021 5 600000MN
Feb 28, 2021 5 600000MN
Jan 31, 2021 5 600000MN
Dec 31, 2020 5 600000MN
Nov 30, 2020 5 600000MN
Oct 31, 2020 5 600000MN
Sep 30, 2020 5 600000MN
Aug 31, 2020 5 600000MN
Jul 31, 2020 5 600000MN
Jun 30, 2020 5 600000MN
May 31, 2020 5 600000MN
Apr 30, 2020 5 600000MN
Mar 31, 2020 5 600000MN
Feb 29, 2020 5 600000MN
Jan 31, 2020 5 600000MN
Dec 31, 2019 5 600000MN
Nov 30, 2019 5 600000MN
Oct 31, 2019 5 600000MN
Sep 30, 2019 5 600000MN
Aug 31, 2019 5 600000MN
Jul 31, 2019 5 600000MN
Jun 30, 2019 5 600000MN
May 31, 2019 5 600000MN
Apr 30, 2019 5 600000MN
Mar 31, 2019 5 600000MN
Feb 28, 2019 5 600000MN
Jan 31, 2019 5 600000MN
Dec 31, 2018 5 600000MN
Nov 30, 2018 5 600000MN
Oct 31, 2018 5 600000MN
Sep 30, 2018 5 600000MN
Aug 31, 2018 5 600000MN
Jul 31, 2018 5 600000MN
Jun 30, 2018 5 600000MN
May 31, 2018 5 600000MN
Apr 30, 2018 5 600000MN
Mar 31, 2018 5 600000MN
Feb 28, 2018 5 600000MN
Jan 31, 2018 5 600000MN
Dec 31, 2017 5 600000MN
Nov 30, 2017 5 600000MN
Oct 31, 2017 5 600000MN
Sep 30, 2017 5 600000MN
Aug 31, 2017 5 600000MN
Jul 31, 2017 5 600000MN
Jun 30, 2017 5 600000MN
May 31, 2017 5 600000MN
Apr 30, 2017 5 600000MN
Mar 31, 2017 5 600000MN
Feb 28, 2017 5 600000MN
Jan 31, 2017 5 600000MN
Dec 31, 2016 5 600000MN
Nov 30, 2016 5 600000MN
Oct 31, 2016 5 600000MN
Sep 30, 2016 5 600000MN
Aug 31, 2016 5 600000MN
Jul 31, 2016 5 600000MN
Jun 30, 2016 5 600000MN
May 31, 2016 5 600000MN
Apr 30, 2016 5 600000MN
Mar 31, 2016 5 600000MN
Feb 29, 2016 5 600000MN
Jan 31, 2016 5 600000MN
Dec 31, 2015 5 600000MN
Nov 30, 2015 5 600000MN
Oct 31, 2015 5 600000MN
Sep 30, 2015 5 600000MN
Aug 31, 2015 5 600000MN
Jul 31, 2015 5 600000MN
Jun 30, 2015 5 600000MN
May 31, 2015 5 600000MN
Apr 30, 2015 5 600000MN
Mar 31, 2015 5 600000MN
Feb 28, 2015 5 600000MN
Jan 31, 2015 5 600000MN
Dec 31, 2014 5 600000MN
Nov 30, 2014 5 600000MN
Oct 31, 2014 5 600000MN
Sep 30, 2014 5 600000MN
Aug 31, 2014 5 600000MN
Jul 31, 2014 5 700000MN
Jun 30, 2014 5 600000MN
May 31, 2014 5 600000MN
Apr 30, 2014 5 600000MN
Mar 31, 2014 5 600000MN
Feb 28, 2014 5 600000MN
Jan 31, 2014 5 600000MN
Dec 31, 2013 5 600000MN
Nov 30, 2013 5 600000MN
Oct 31, 2013 5 600000MN
Sep 30, 2013 5 600000MN
Aug 31, 2013 5 600000MN
Jul 31, 2013 5 600000MN
Jun 30, 2013 5 600000MN
May 31, 2013 5 600000MN
Apr 30, 2013 5 600000MN
Mar 31, 2013 5 600000MN
Feb 28, 2013 5 600000MN
Jan 31, 2013 5 600000MN
Dec 31, 2012 5 600000MN
Nov 30, 2012 5 600000MN
Oct 31, 2012 5 700000MN
Sep 30, 2012 5 600000MN
Aug 31, 2012 5 600000MN
Jul 31, 2012 5 600000MN
Jun 30, 2012 5 600000MN
May 31, 2012 5 600000MN
Apr 30, 2012 5 600000MN
Mar 31, 2012 5 600000MN
Feb 29, 2012 5 600000MN
Jan 31, 2012 5 600000MN
Dec 31, 2011 5 600000MN
Nov 30, 2011 5 600000MN
Oct 31, 2011 5 600000MN
Sep 30, 2011 5 600000MN
Aug 31, 2011 5 600000MN
Jul 31, 2011 5 600000MN
Jun 30, 2011 5 600000MN
May 31, 2011 5 600000MN
Apr 30, 2011 5 600000MN
Mar 31, 2011 5 600000MN
Feb 28, 2011 5 600000MN
Jan 31, 2011 5 600000MN
Dec 31, 2010 5 600000MN
Nov 30, 2010 5 600000MN
Oct 31, 2010 5 600000MN
Sep 30, 2010 5 600000MN
Aug 31, 2010 5 800000MN
Jul 31, 2010 5 800000MN
Jun 30, 2010 5 900000MN
May 31, 2010 5 600000MN
Apr 30, 2010 5 600000MN
Mar 31, 2010 5 700000MN
Feb 28, 2010 5 700000MN
Jan 31, 2010 5 700000MN
Dec 31, 2009 5 600000MN
Nov 30, 2009 5 600000MN
Oct 31, 2009 5 800000MN
Sep 30, 2009 5 700000MN
Aug 31, 2009 5 800000MN
Jul 31, 2009 5 800000MN
Jun 30, 2009 5 800000MN
May 31, 2009 5 700000MN
Apr 30, 2009 5 700000MN
Mar 31, 2009 5 700000MN
Feb 28, 2009 5 600000MN
Jan 31, 2009 5 600000MN
Dec 31, 2008 5 600000MN
Nov 30, 2008 5 600000MN
Oct 31, 2008 5 600000MN
Sep 30, 2008 5 600000MN
Aug 31, 2008 5 600000MN
Jul 31, 2008 5 600000MN
Jun 30, 2008 5 810500MN
May 31, 2008 5 600000MN
Apr 30, 2008 5 600000MN
Mar 31, 2008 5 600000MN
Feb 29, 2008 5 600000MN
Jan 31, 2008 5 600000MN
Dec 31, 2007 5 600000MN
Nov 30, 2007 5 600000MN
Oct 31, 2007 5 800000MN
Sep 30, 2007 5 900000MN
Aug 31, 2007 5 800000MN
Jul 31, 2007 5 800000MN
Jun 30, 2007 5 800000MN
May 31, 2007 5 800000MN
Apr 30, 2007 5 800000MN
Mar 31, 2007 5 600000MN
Feb 28, 2007 5 600000MN
Jan 31, 2007 5 600000MN
Dec 31, 2006 5 800000MN
Nov 30, 2006 5 700000MN
Oct 31, 2006 5 600000MN
Sep 30, 2006 5 400000MN
Aug 31, 2006 5 600000MN
Jul 31, 2006 5 600000MN
Jun 30, 2006 5 600000MN
May 31, 2006 5 600000MN
Apr 30, 2006 5 1100000MN
Mar 31, 2006 5 600000MN
Feb 28, 2006 5 600000MN
Jan 31, 2006 5 600000MN
Dec 31, 2005 5 600000MN
Nov 30, 2005 5 600000MN
Oct 31, 2005 5 800000MN
Sep 30, 2005 5 600000MN
Aug 31, 2005 5 700000MN
Jul 31, 2005 5 600000MN
Jun 30, 2005 5 600000MN
May 31, 2005 5 600000MN
Apr 30, 2005 4 600000MN
Mar 31, 2005 4 600000MN
Feb 28, 2005 4 600000MN
Jan 31, 2005 4 600000MN
Dec 31, 2004 4 600000MN
Nov 30, 2004 4 600000MN
Oct 31, 2004 4 600000MN
Sep 30, 2004 4 600000MN
Aug 31, 2004 4 600000MN
Jul 31, 2004 4 600000MN
Jun 30, 2004 4 600000MN
May 31, 2004 4 600000MN
Apr 30, 2004 4 600000MN
Mar 31, 2004 4 600000MN
Feb 29, 2004 4 600000MN
Jan 31, 2004 4 600000MN
Dec 31, 2003 4 600000MN
Nov 30, 2003 4 600000MN
Oct 31, 2003 4 600000MN
Sep 30, 2003 4 600000MN
Aug 31, 2003 4 600000MN
Jul 31, 2003 4 600000MN
Jun 30, 2003 4 600000MN
May 31, 2003 4 600000MN
Apr 30, 2003 4 600000MN
Mar 31, 2003 4 600000MN
Feb 28, 2003 4 600000MN
Jan 31, 2003 4 600000MN
Dec 31, 2002 4 600000MN
Nov 30, 2002 4 1100000MN
Oct 31, 2002 4 1000000MN
Sep 30, 2002 4 1100000MN
Aug 31, 2002 4 600000MN
Jul 31, 2002 4 600000MN
Jun 30, 2002 4 600000MN
May 31, 2002 4 600000MN
Apr 30, 2002 4 600000MN
Mar 31, 2002 5 700000MN
Feb 28, 2002 4 611300MN
Jan 31, 2002 4 600000MN
Exclude results older than 2022

More information for this water system: SDWIS ID 3917
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