OHA Drinking Water Services
PWS ID: 00357 ---- GRESHAM, CITY OF
Coliform Summary History

Number of Samples Reported Abbreviations: TC+: Total Coliform Positive, FC+: Fecal Coliform Positive
Period End Date Routines Reported Routine TC+ Routine FC+ Repeats Reported Repeat TC+ Repeat FC+ Period Type
Dec 31, 2023 0000006M
Nov 30, 2023 8000000MN
Oct 31, 2023 8000000MN
Sep 30, 2023 8000000MN
Sep 30, 2023 000000QT
Aug 31, 2023 8000000MN
Jul 31, 2023 8000000MN
Jun 30, 2023 0000006M
Jun 30, 2023 8000000MN
Jun 30, 2023 000000QT
May 31, 2023 8000000MN
Apr 30, 2023 8000000MN
Mar 31, 2023 8000000MN
Mar 31, 2023 000000QT
Feb 28, 2023 8000000MN
Jan 31, 2023 8000000MN
Dec 31, 2022 0000006M
Dec 31, 2022 8000000MN
Dec 31, 2022 000000QT
Nov 30, 2022 8000000MN
Oct 31, 2022 8000000MN
Sep 30, 2022 8000000MN
Aug 31, 2022 8000000MN
Jul 31, 2022 8000000MN
Jun 30, 2022 0000006M
Jun 30, 2022 8000000MN
Jun 30, 2022 000000QT
May 31, 2022 8000000MN
Apr 30, 2022 8000000MN
Mar 31, 2022 8000000MN
Mar 31, 2022 000000QT
Feb 28, 2022 8000000MN
Jan 31, 2022 8000000MN
Dec 31, 2021 0000006M
Dec 31, 2021 8000000MN
Dec 31, 2021 000000QT
Nov 30, 2021 8000000MN
Oct 31, 2021 8000000MN
Sep 30, 2021 8000000MN
Sep 30, 2021 000000QT
Aug 31, 2021 8000000MN
Jul 31, 2021 8000000MN
Jun 30, 2021 0000006M
Jun 30, 2021 8000000MN
Jun 30, 2021 000000QT
May 31, 2021 8000000MN
Apr 30, 2021 8000000MN
Mar 31, 2021 8000000MN
Mar 31, 2021 000000QT
Feb 28, 2021 8000000MN
Jan 31, 2021 8000000MN
Dec 31, 2020 0000006M
Dec 31, 2020 8000000MN
Dec 31, 2020 000000QT
Nov 30, 2020 8000000MN
Oct 31, 2020 8000000MN
Sep 30, 2020 8000000MN
Sep 30, 2020 000000QT
Aug 31, 2020 8000000MN
Jul 31, 2020 8000000MN
Jun 30, 2020 0000006M
Jun 30, 2020 8000000MN
Jun 30, 2020 000000QT
May 31, 2020 8000000MN
Apr 30, 2020 8000000MN
Mar 31, 2020 8000000MN
Mar 31, 2020 000000QT
Feb 29, 2020 8000000MN
Jan 31, 2020 8000000MN
Dec 31, 2019 0000006M
Dec 31, 2019 8000000MN
Dec 31, 2019 000000QT
Nov 30, 2019 8000000MN
Oct 31, 2019 8000000MN
Sep 30, 2019 10000000MN
Sep 30, 2019 000000QT
Aug 31, 2019 8000000MN
Jul 31, 2019 8000000MN
Jun 30, 2019 0000006M
Jun 30, 2019 8000000MN
Jun 30, 2019 000000QT
May 31, 2019 8000000MN
Apr 30, 2019 8000000MN
Mar 31, 2019 8000000MN
Mar 31, 2019 000000QT
Feb 28, 2019 8000000MN
Jan 31, 2019 8000000MN
Dec 31, 2018 0000006M
Dec 31, 2018 8000000MN
Dec 31, 2018 000000QT
Nov 30, 2018 8000000MN
Oct 31, 2018 8000000MN
Sep 30, 2018 8000000MN
Sep 30, 2018 000000QT
Aug 31, 2018 8000000MN
Jul 31, 2018 8000000MN
Jun 30, 2018 0000006M
Jun 30, 2018 8000000MN
Jun 30, 2018 000000QT
May 31, 2018 8000000MN
Apr 30, 2018 8000000MN
Mar 31, 2018 8000000MN
Mar 31, 2018 000000QT
Feb 28, 2018 8000000MN
Jan 31, 2018 8000000MN
Dec 31, 2017 0000006M
Dec 31, 2017 8000000MN
Dec 31, 2017 000000QT
Nov 30, 2017 8000000MN
Oct 31, 2017 8000000MN
Sep 30, 2017 8000000MN
Sep 30, 2017 000000QT
Aug 31, 2017 8000000MN
Jul 31, 2017 8000000MN
Jun 30, 2017 0000006M
Jun 30, 2017 8000000MN
Jun 30, 2017 000000QT
May 31, 2017 8000000MN
Apr 30, 2017 8000000MN
Mar 31, 2017 8000000MN
Mar 31, 2017 000000QT
Feb 28, 2017 8000000MN
Jan 31, 2017 8000000MN
Dec 31, 2016 0000006M
Dec 31, 2016 8000000MN
Dec 31, 2016 000000QT
Nov 30, 2016 8010300MN
Oct 31, 2016 8000000MN
Sep 30, 2016 8000000MN
Sep 30, 2016 000000QT
Aug 31, 2016 8000000MN
Jul 31, 2016 8000000MN
Jun 30, 2016 0000006M
Jun 30, 2016 8000000MN
Jun 30, 2016 000000QT
May 31, 2016 8000000MN
Apr 30, 2016 8000000MN
Mar 31, 2016 7000000MN
Mar 31, 2016 000000QT
Feb 29, 2016 7000000MN
Jan 31, 2016 7000000MN
Dec 31, 2015 0000006M
Dec 31, 2015 7000000MN
Dec 31, 2015 000000QT
Nov 30, 2015 7000000MN
Oct 31, 2015 7000000MN
Sep 30, 2015 7000000MN
Sep 30, 2015 000000QT
Aug 31, 2015 7000000MN
Jul 31, 2015 7000000MN
Jun 30, 2015 0000006M
Jun 30, 2015 7000000MN
Jun 30, 2015 000000QT
May 31, 2015 7000000MN
Apr 30, 2015 7000000MN
Mar 31, 2015 7000000MN
Mar 31, 2015 000000QT
Feb 28, 2015 7000000MN
Jan 31, 2015 7000000MN
Dec 31, 2014 0000006M
Dec 31, 2014 7000000MN
Dec 31, 2014 000000QT
Nov 30, 2014 7000000MN
Oct 31, 2014 7010300MN
Sep 30, 2014 7000000MN
Sep 30, 2014 000000QT
Aug 31, 2014 7000000MN
Jul 31, 2014 7000000MN
Jun 30, 2014 0000006M
Jun 30, 2014 7000000MN
Jun 30, 2014 000000QT
May 31, 2014 7000000MN
Apr 30, 2014 7000000MN
Mar 31, 2014 7000000MN
Mar 31, 2014 000000QT
Feb 28, 2014 7000000MN
Jan 31, 2014 7000000MN
Dec 31, 2013 0000006M
Dec 31, 2013 7000000MN
Dec 31, 2013 000000QT
Nov 30, 2013 7000000MN
Oct 31, 2013 7000000MN
Sep 30, 2013 7000000MN
Sep 30, 2013 000000QT
Aug 31, 2013 7000000MN
Jul 31, 2013 7010300MN
Jun 30, 2013 0000006M
Jun 30, 2013 7000000MN
Jun 30, 2013 000000QT
May 31, 2013 7000000MN
Apr 30, 2013 7000000MN
Mar 31, 2013 7000000MN
Mar 31, 2013 000000QT
Feb 28, 2013 7000000MN
Jan 31, 2013 7000000MN
Dec 31, 2012 0000006M
Dec 31, 2012 7000000MN
Dec 31, 2012 000000QT
Nov 30, 2012 7000000MN
Oct 31, 2012 7000000MN
Sep 30, 2012 7000000MN
Sep 30, 2012 000000QT
Aug 31, 2012 7000000MN
Jul 31, 2012 7000000MN
Jun 30, 2012 0000006M
Jun 30, 2012 7000000MN
Jun 30, 2012 000000QT
May 31, 2012 7000000MN
Apr 30, 2012 7000000MN
Mar 31, 2012 7000000MN
Mar 31, 2012 000000QT
Feb 29, 2012 7000000MN
Jan 31, 2012 7000000MN
Dec 31, 2011 0000006M
Dec 31, 2011 7000000MN
Dec 31, 2011 000000QT
Nov 30, 2011 7000000MN
Oct 31, 2011 7000000MN
Sep 30, 2011 7010300MN
Sep 30, 2011 000000QT
Aug 31, 2011 7000000MN
Jul 31, 2011 7000000MN
Jun 30, 2011 7000000MN
Jun 30, 2011 000000QT
May 31, 2011 7000000MN
Apr 30, 2011 7000000MN
Mar 31, 2011 7000000MN
Mar 31, 2011 000000QT
Feb 28, 2011 7000000MN
Jan 31, 2011 7000000MN
Dec 31, 2010 7000000MN
Dec 31, 2010 000000QT
Nov 30, 2010 7000000MN
Oct 31, 2010 7000000MN
Sep 30, 2010 7020600MN
Sep 30, 2010 000000QT
Aug 31, 2010 7000000MN
Jul 31, 2010 7100000MN
Jun 30, 2010 7000000MN
Jun 30, 2010 000000QT
May 31, 2010 7000000MN
Apr 30, 2010 7000000MN
Mar 31, 2010 7000000MN
Mar 31, 2010 000000QT
Feb 28, 2010 7000000MN
Jan 31, 2010 7000000MN
Dec 31, 2009 7000000MN
Dec 31, 2009 000000QT
Nov 30, 2009 7000000MN
Oct 31, 2009 7000000MN
Sep 30, 2009 7000000MN
Sep 30, 2009 000000QT
Aug 31, 2009 7000000MN
Jul 31, 2009 7000000MN
Jun 30, 2009 7000000MN
Jun 30, 2009 000000QT
May 31, 2009 7000000MN
Apr 30, 2009 7000000MN
Mar 31, 2009 7000000MN
Mar 31, 2009 000000QT
Feb 28, 2009 7000000MN
Jan 31, 2009 7000000MN
Dec 31, 2008 7000000MN
Dec 31, 2008 000000QT
Nov 30, 2008 7000000MN
Oct 31, 2008 7000000MN
Sep 30, 2008 7010300MN
Sep 30, 2008 000000QT
Aug 31, 2008 7000000MN
Jul 31, 2008 7000000MN
Jun 30, 2008 7000000MN
Jun 30, 2008 000000QT
May 31, 2008 7000000MN
Apr 30, 2008 7000000MN
Mar 31, 2008 7000000MN
Mar 31, 2008 000000QT
Feb 29, 2008 7000000MN
Jan 31, 2008 7000000MN
Dec 31, 2007 7000000MN
Dec 31, 2007 000000QT
Nov 30, 2007 7000000MN
Oct 31, 2007 7000000MN
Sep 30, 2007 7000000MN
Sep 30, 2007 000000QT
Aug 31, 2007 7000000MN
Jul 31, 2007 7000000MN
Jun 30, 2007 7000000MN
Jun 30, 2007 000000QT
May 31, 2007 7000000MN
Apr 30, 2007 7000000MN
Mar 31, 2007 7000000MN
Mar 31, 2007 000000QT
Feb 28, 2007 7000000MN
Jan 31, 2007 7000000MN
Dec 31, 2006 7000000MN
Dec 31, 2006 000000QT
Nov 30, 2006 7000000MN
Oct 31, 2006 7000000MN
Sep 30, 2006 7000000MN
Sep 30, 2006 000000QT
Aug 31, 2006 7000000MN
Jul 31, 2006 7000000MN
Jun 30, 2006 7000000MN
Jun 30, 2006 000000QT
May 31, 2006 7000000MN
Apr 30, 2006 7000000MN
Mar 31, 2006 7000000MN
Mar 31, 2006 000000QT
Feb 28, 2006 6900000MN
Jan 31, 2006 7000000MN
Dec 31, 2005 7000000MN
Dec 31, 2005 000000QT
Nov 30, 2005 7000000MN
Oct 31, 2005 7000000MN
Sep 30, 2005 7000000MN
Sep 30, 2005 000000QT
Aug 31, 2005 7000000MN
Jul 31, 2005 7000000MN
Jun 30, 2005 7000000MN
Jun 30, 2005 000000QT
May 31, 2005 7000000MN
Apr 30, 2005 7000000MN
Mar 31, 2005 7000000MN
Mar 31, 2005 000000QT
Feb 28, 2005 7000000MN
Jan 31, 2005 7000000MN
Dec 31, 2004 7000000MN
Dec 31, 2004 000000QT
Nov 30, 2004 7000000MN
Oct 31, 2004 7010300MN
Sep 30, 2004 7100000MN
Sep 30, 2004 000000QT
Aug 31, 2004 7010300MN
Jul 31, 2004 7000000MN
Jun 30, 2004 7000000MN
Jun 30, 2004 000000QT
May 31, 2004 7000000MN
Apr 30, 2004 7000000MN
Mar 31, 2004 7000000MN
Mar 31, 2004 000000QT
Feb 29, 2004 7000000MN
Jan 31, 2004 7000000MN
Dec 31, 2003 7000000MN
Nov 30, 2003 7000000MN
Oct 31, 2003 7000000MN
Sep 30, 2003 7000000MN
Sep 30, 2003 000000QT
Aug 31, 2003 7010500MN
Jul 31, 2003 12200000MN
Jun 30, 2003 10000000MN
Jun 30, 2003 000000QT
May 31, 2003 5000000MN
Apr 30, 2003 5000000MN
Mar 31, 2003 6200000MN
Mar 31, 2003 000000QT
Feb 28, 2003 5000000MN
Jan 31, 2003 5000000MN
Dec 31, 2002 5000000MN
Nov 30, 2002 5010300MN
Oct 31, 2002 5000000MN
Sep 30, 2002 5010000MN
Sep 30, 2002 000000QT
Aug 31, 2002 5000000MN
Jul 31, 2002 5000000MN
Jun 30, 2002 5000000MN
Jun 30, 2002 000000QT
May 31, 2002 5000000MN
Apr 30, 2002 5000000MN
Mar 31, 2002 5000000MN
Mar 31, 2002 000000QT
Feb 28, 2002 5000000MN
Jan 31, 2002 5000000MN
Show results prior to 01/01/2002



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