OHA Drinking Water Services
OR41
PWS ID: 00954 ---- WILSONVILLE, 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 2021
Period End Date Routines Required Routines Reported Routine TC+ Routine EC+ Repeats Reported Repeat TC+ Repeat EC+ Period Type
Dec 31, 2024 30 000000MN
Nov 30, 2024 30 000000MN
Oct 31, 2024 30 000000MN
Sep 30, 2024 30 000000MN
Aug 31, 2024 30 000000MN
Jul 31, 2024 30 000000MN
Jun 30, 2024 30 000000MN
May 31, 2024 30 3000000MN
Apr 30, 2024 30 3000000MN
Mar 31, 2024 30 3000000MN
Feb 29, 2024 30 3000000MN
Jan 31, 2024 30 3000000MN
Dec 31, 2023 30 3110300MN
Nov 30, 2023 30 3110300MN
Oct 31, 2023 30 3000000MN
Sep 30, 2023 30 3000000MN
Aug 31, 2023 30 3000000MN
Jul 31, 2023 30 3000000MN
Jun 30, 2023 30 3000000MN
May 31, 2023 30 3000000MN
Apr 30, 2023 30 3000000MN
Mar 31, 2023 30 3000000MN
Feb 28, 2023 30 3000000MN
Jan 31, 2023 30 3000000MN
Dec 31, 2022 30 3000000MN
Nov 30, 2022 30 3000000MN
Oct 31, 2022 30 3000000MN
Sep 30, 2022 30 3000000MN
Aug 31, 2022 30 3000000MN
Jul 31, 2022 30 3000000MN
Jun 30, 2022 30 3000000MN
May 31, 2022 30 3000000MN
Apr 30, 2022 30 3000000MN
Mar 31, 2022 30 3000000MN
Feb 28, 2022 30 3000000MN
Jan 31, 2022 30 3000000MN
Dec 31, 2021 30 3000000MN
Nov 30, 2021 30 3000000MN
Oct 31, 2021 30 3000000MN
Sep 30, 2021 30 3000000MN
Aug 31, 2021 30 3000000MN
Jul 31, 2021 30 3000000MN
Jun 30, 2021 25 2500000MN
May 31, 2021 25 2500000MN
Apr 30, 2021 25 2500000MN
Mar 31, 2021 25 2500000MN
Feb 28, 2021 25 2500000MN
Jan 31, 2021 25 2500000MN
Dec 31, 2020 25 2500000MN
Nov 30, 2020 25 2500000MN
Oct 31, 2020 25 2500000MN
Sep 30, 2020 25 2500000MN
Aug 31, 2020 25 2500000MN
Jul 31, 2020 25 2500000MN
Jun 30, 2020 25 2510300MN
May 31, 2020 25 2500000MN
Apr 30, 2020 25 2500000MN
Mar 31, 2020 25 2500000MN
Feb 29, 2020 25 2500000MN
Jan 31, 2020 25 2500000MN
Dec 31, 2019 25 2711300MN
Nov 30, 2019 25 2500000MN
Oct 31, 2019 25 2500000MN
Sep 30, 2019 25 2500000MN
Aug 31, 2019 25 2500000MN
Jul 31, 2019 25 2500000MN
Jun 30, 2019 25 2500000MN
May 31, 2019 25 2500000MN
Apr 30, 2019 25 2500000MN
Mar 31, 2019 25 2500000MN
Feb 28, 2019 25 2500000MN
Jan 31, 2019 25 2500000MN
Dec 31, 2018 25 2500000MN
Nov 30, 2018 25 2500000MN
Oct 31, 2018 25 2500000MN
Sep 30, 2018 25 2500000MN
Aug 31, 2018 25 2500000MN
Jul 31, 2018 25 2500000MN
Jun 30, 2018 25 2500000MN
May 31, 2018 25 2500000MN
Apr 30, 2018 25 2500000MN
Mar 31, 2018 25 2500000MN
Feb 28, 2018 25 2500000MN
Jan 31, 2018 25 2500000MN
Dec 31, 2017 25 2500000MN
Nov 30, 2017 25 2510300MN
Oct 31, 2017 25 2500000MN
Sep 30, 2017 25 2500000MN
Aug 31, 2017 25 2500000MN
Jul 31, 2017 25 2500000MN
Jun 30, 2017 25 2500000MN
May 31, 2017 25 2500000MN
Apr 30, 2017 25 2500000MN
Mar 31, 2017 25 2000000MN
Feb 28, 2017 20 2000000MN
Jan 31, 2017 20 2000000MN
Dec 31, 2016 20 2000000MN
Nov 30, 2016 20 2000000MN
Oct 31, 2016 20 2000000MN
Sep 30, 2016 20 2000000MN
Aug 31, 2016 20 2000000MN
Jul 31, 2016 20 2000000MN
Jun 30, 2016 20 2000000MN
May 31, 2016 20 2000000MN
Apr 30, 2016 20 2000000MN
Mar 31, 2016 20 2000000MN
Feb 29, 2016 20 2000000MN
Jan 31, 2016 20 2000000MN
Dec 31, 2015 20 2000000MN
Nov 30, 2015 20 2000000MN
Oct 31, 2015 20 2000000MN
Sep 30, 2015 20 2000000MN
Aug 31, 2015 20 2000000MN
Jul 31, 2015 20 2000000MN
Jun 30, 2015 20 2000000MN
May 31, 2015 20 2000000MN
Apr 30, 2015 20 2000000MN
Mar 31, 2015 20 2000000MN
Feb 28, 2015 20 2000000MN
Jan 31, 2015 20 2000000MN
Dec 31, 2014 20 2000000MN
Nov 30, 2014 20 2000000MN
Oct 31, 2014 20 2000000MN
Sep 30, 2014 20 2000000MN
Aug 31, 2014 20 2000000MN
Jul 31, 2014 20 2000000MN
Jun 30, 2014 20 2000000MN
May 31, 2014 20 2000000MN
Apr 30, 2014 20 2000000MN
Mar 31, 2014 20 2000000MN
Feb 28, 2014 20 2000000MN
Jan 31, 2014 20 2000000MN
Dec 31, 2013 20 2000000MN
Nov 30, 2013 20 2000000MN
Oct 31, 2013 20 2010300MN
Sep 30, 2013 20 2000000MN
Aug 31, 2013 20 2000000MN
Jul 31, 2013 20 2000000MN
Jun 30, 2013 20 2000000MN
May 31, 2013 20 2000000MN
Apr 30, 2013 20 2000000MN
Mar 31, 2013 20 2000000MN
Feb 28, 2013 20 2000000MN
Jan 31, 2013 20 2000000MN
Dec 31, 2012 20 2000000MN
Nov 30, 2012 20 2000000MN
Oct 31, 2012 20 2000000MN
Sep 30, 2012 20 2000000MN
Aug 31, 2012 20 2000000MN
Jul 31, 2012 20 2000000MN
Jun 30, 2012 20 2000000MN
May 31, 2012 20 2000000MN
Apr 30, 2012 20 2000000MN
Mar 31, 2012 20 2000000MN
Feb 29, 2012 20 2000000MN
Jan 31, 2012 20 2000000MN
Dec 31, 2011 20 2000000MN
Nov 30, 2011 20 2000000MN
Oct 31, 2011 20 2000000MN
Sep 30, 2011 20 2000000MN
Aug 31, 2011 20 2000000MN
Jul 31, 2011 20 2000000MN
Jun 30, 2011 20 2000000MN
May 31, 2011 20 2000000MN
Apr 30, 2011 20 2000000MN
Mar 31, 2011 20 2000000MN
Feb 28, 2011 20 2000000MN
Jan 31, 2011 20 2000000MN
Dec 31, 2010 20 2000000MN
Nov 30, 2010 20 2110200MN
Oct 31, 2010 20 2000000MN
Sep 30, 2010 20 2000000MN
Aug 31, 2010 20 2000000MN
Jul 31, 2010 20 2000000MN
Jun 30, 2010 20 2000000MN
May 31, 2010 20 2000000MN
Apr 30, 2010 20 2000000MN
Mar 31, 2010 20 2000000MN
Feb 28, 2010 20 2000000MN
Jan 31, 2010 20 2000000MN
Dec 31, 2009 20 2000000MN
Nov 30, 2009 20 2000000MN
Oct 31, 2009 20 2000000MN
Sep 30, 2009 20 2000000MN
Aug 31, 2009 20 2000000MN
Jul 31, 2009 20 2000000MN
Jun 30, 2009 20 2010300MN
May 31, 2009 20 2000000MN
Apr 30, 2009 20 2000000MN
Mar 31, 2009 20 2000000MN
Feb 28, 2009 20 2100000MN
Jan 31, 2009 20 2000000MN
Dec 31, 2008 15 2000000MN
Nov 30, 2008 15 2000000MN
Oct 31, 2008 15 2000000MN
Sep 30, 2008 15 2000000MN
Aug 31, 2008 15 2000000MN
Jul 31, 2008 15 2000000MN
Jun 30, 2008 15 2000000MN
May 31, 2008 15 2000000MN
Apr 30, 2008 15 2000000MN
Mar 31, 2008 15 2000000MN
Feb 29, 2008 15 2000000MN
Jan 31, 2008 15 2000000MN
Dec 31, 2007 15 2000000MN
Nov 30, 2007 15 2000000MN
Oct 31, 2007 15 2000000MN
Sep 30, 2007 15 2000000MN
Aug 31, 2007 15 2000000MN
Jul 31, 2007 15 2000000MN
Jun 30, 2007 15 1700000MN
May 31, 2007 15 1700000MN
Apr 30, 2007 15 1700000MN
Mar 31, 2007 15 1700000MN
Feb 28, 2007 15 1700000MN
Jan 31, 2007 15 1700000MN
Dec 31, 2006 15 1700000MN
Nov 30, 2006 15 1700000MN
Oct 31, 2006 15 1700000MN
Sep 30, 2006 15 1700000MN
Aug 31, 2006 15 1700000MN
Jul 31, 2006 15 1700000MN
Jun 30, 2006 15 1700000MN
May 31, 2006 15 1700000MN
Apr 30, 2006 15 1700000MN
Mar 31, 2006 15 1700000MN
Feb 28, 2006 15 1700000MN
Jan 31, 2006 15 1700000MN
Dec 31, 2005 15 1700000MN
Nov 30, 2005 15 1700000MN
Oct 31, 2005 15 1700000MN
Sep 30, 2005 15 1700000MN
Aug 31, 2005 15 1700000MN
Jul 31, 2005 15 1700000MN
Jun 30, 2005 15 1700000MN
May 31, 2005 15 1700000MN
Apr 30, 2005 15 1700000MN
Mar 31, 2005 15 1700000MN
Feb 28, 2005 15 1700000MN
Jan 31, 2005 15 1700000MN
Dec 31, 2004 15 1700000MN
Nov 30, 2004 15 1700000MN
Oct 31, 2004 15 1700000MN
Sep 30, 2004 15 1700000MN
Aug 31, 2004 15 1700000MN
Jul 31, 2004 15 1700000MN
Jun 30, 2004 15 1700000MN
May 31, 2004 15 1700000MN
Apr 30, 2004 15 1700000MN
Mar 31, 2004 15 1700000MN
Feb 29, 2004 15 1700000MN
Jan 31, 2004 15 1700000MN
Dec 31, 2003 15 1700000MN
Nov 30, 2003 15 1700000MN
Oct 31, 2003 15 1700000MN
Sep 30, 2003 15 1700000MN
Aug 31, 2003 15 1700000MN
Jul 31, 2003 15 1700000MN
Jun 30, 2003 15 1700000MN
May 31, 2003 15 1700000MN
Apr 30, 2003 15 1700000MN
Mar 31, 2003 15 1700000MN
Feb 28, 2003 15 1700000MN
Jan 31, 2003 15 1700000MN
Dec 31, 2002 15 1700000MN
Nov 30, 2002 15 1700000MN
Oct 31, 2002 15 1700000MN
Sep 30, 2002 15 1700000MN
Aug 31, 2002 15 1700000MN
Jul 31, 2002 15 1700000MN
Jun 30, 2002 15 1700000MN
May 31, 2002 15 1700000MN
Apr 30, 2002 10 1700000MN
Mar 31, 2002 10 1700000MN
Feb 28, 2002 10 1600000MN
Jan 31, 2002 10 1600000MN
Exclude results older than 2021


More information for this water system: SDWIS ID 4377
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