OHA Drinking Water Services
MRDL Monitoring Requirements :: Excel Spreadsheet

PWS ID: 00954 ---- WILSONVILLE, CITY OF
Maximum Residual Disinfection Level (MRDL) Samples

Monitoring
Period
Received Entry
Point
Samples
Required
Samples
Collected
Period
Avg
Annual
Avg
Level
Compliance
Jan 01, 2021 DIST-A 25 25 0.62 0.5Y
Dec 01, 2020 DIST-A 25 25 0.50 0.5Y
Nov 01, 2020 DIST-A 25 25 0.46 0.5Y
Oct 01, 2020 DIST-A 25 25 0.52 0.6Y
Sep 01, 2020 DIST-A 25 25 0.61 0.6Y
Aug 01, 2020 DIST-A 25 25 0.6 0.6Y
Jul 01, 2020 DIST-A 25 25 0.51 0.6Y
Jun 01, 2020 DIST-A 28 28 0.51 0.6Y
May 01, 2020 DIST-A 25 25 0.50 0.6Y
Apr 01, 2020 DIST-A 25 25 0.51 0.6Y
Mar 01, 2020 DIST-A 25 25 0.61 0.6Y
Feb 01, 2020 DIST-A 25 25 0.52 0.6Y
Jan 01, 2020 DIST-A 25 25 0.6 0.6Y
Dec 01, 2019 DIST-A 28 27 0.6 0.6Y
Nov 01, 2019 DIST-A 25 25 0.6 0.6Y
Oct 01, 2019 DIST-A 25 25 0.63 0.6Y
Sep 01, 2019 DIST-A 25 25 0.6 0.6Y
Aug 01, 2019 DIST-A 25 25 0.66 0.6Y
Jul 01, 2019 DIST-A 25 25 0.68 0.6Y
Jun 01, 2019 DIST-A 25 25 0.6 0.6Y
May 01, 2019 DIST-A 25 25 0.63 0.6Y
Apr 01, 2019 DIST-A 25 25 0.5 0.6Y
Mar 01, 2019 DIST-A 25 25 0.57 0.6Y
Feb 01, 2019 DIST-A 25 25 0.50 0.6Y
Jan 01, 2019 DIST-A 25 25 0.53 0.6Y
Dec 01, 2018 DIST-A 25 25 0.49 0.6Y
Nov 01, 2018 DIST-A 25 25 0.49 0.6Y
Oct 01, 2018 DIST-A 25 25 0.6 0.6Y
Sep 01, 2018 DIST-A 25 25 0.59 0.6Y
Aug 01, 2018 DIST-A 25 25 0.67 0.6Y
Jul 01, 2018 DIST-A 25 25 0.54 0.6Y
Jun 01, 2018 DIST-A 25 25 0.66 0.6Y
May 01, 2018 DIST-A 25 25 0.64 0.6Y
Apr 01, 2018 DIST-A 25 25 0.68 0.6Y
Mar 01, 2018 DIST-A 25 25 0.77 0.6Y
Feb 01, 2018 DIST-A 25 25 0.7 0.6Y
Jan 01, 2018 DIST-A 25 25 0.76 0.6Y
Dec 01, 2017 DIST-A 25 25 0.6 0.6Y
Nov 01, 2017 DIST-A 28 28 0.55 0.6Y
Oct 01, 2017 DIST-A 25 25 0.55 0.6Y
Sep 01, 2017 DIST-A 25 25 0.6 0.6Y
Aug 01, 2017 DIST-A 25 24 0.6 0.6Y
Jul 01, 2017 DIST-A 25 25 0.57 0.6Y
Jun 01, 2017 DIST-A 25 25 0.68 0.6Y
May 01, 2017 DIST-A 25 25 0.63 0.6Y
Apr 01, 2017 DIST-A 25 25 0.63 0.6Y
Mar 01, 2017 DIST-A 25 20 0.56 0.6Y
Feb 01, 2017 DIST-A 20 20 0.55 0.6Y
Jan 01, 2017 DIST-A 20 20 0.61 0.6Y
Dec 01, 2016 DIST-A 20 20 0.53 0.6Y
Nov 01, 2016 DIST-A 20 20 0.44 0.6Y
Oct 01, 2016 DIST-A 20 20 0.51 0.6Y
Sep 01, 2016 DIST-A 20 20 0.60 0.6Y
Aug 01, 2016 DIST-A 20 20 0.62 0.6Y
Jul 01, 2016 DIST-A 20 20 0.6 0.6Y
Jun 01, 2016 DIST-A 20 20 0.67 0.6Y
May 01, 2016 DIST-A 20 20 0.6 0.6Y
Apr 01, 2016 DIST-A 20 20 0.60 0.6Y
Mar 01, 2016 DIST-A 20 20 0.59 0.6Y
Feb 01, 2016 DIST-A 20 20 0.7 0.6Y
Jan 01, 2016 DIST-A 20 20 0.6 0.6Y
Dec 01, 2015 DIST-A 20 20 0.61 0.6Y
Nov 01, 2015 DIST-A 20 20 0.6 0.6Y
Oct 01, 2015 DIST-A 20 20 0.66 0.6Y
Sep 01, 2015 DIST-A 20 20 0.7 0.6Y
Aug 01, 2015 DIST-A 20 20 0.65 0.6Y
Jul 01, 2015 DIST-A 20 20 0.64 0.6Y
Jun 01, 2015 DIST-A 20 20 0.7 0.6Y
May 01, 2015 DIST-A 20 20 0.65 0.6Y
Apr 01, 2015 DIST-A 20 20 0.68 0.6Y
Mar 01, 2015 DIST-A 20 20 0.57 0.6Y
Feb 01, 2015 DIST-A 20 20 0.55 0.6Y
Jan 01, 2015 DIST-A 20 20 0.59 0.6Y
Dec 01, 2014 DIST-A 20 20 0.56 0.7Y
Nov 01, 2014 DIST-A 20 20 0.6 0.7Y
Oct 01, 2014 DIST-A 20 20 0.62 0.7Y
Sep 01, 2014 DIST-A 20 20 0.66 0.7Y
Aug 01, 2014 DIST-A 20 20 0.68 0.7Y
Jul 01, 2014 DIST-A 20 20 0.70 0.7Y
Jun 01, 2014 DIST-A 20 20 0.74 0.7Y
May 01, 2014 DIST-A 20 20 0.65 0.7Y
Apr 01, 2014 DIST-A 20 20 0.71 0.7Y
Mar 01, 2014 DIST-A 20 20 0.63 0.7Y
Feb 01, 2014 DIST-A 20 20 0.65 0.7Y
Jan 01, 2014 DIST-A 20 20 0.7 0.7Y
Dec 01, 2013 DIST-A 20 20 0.73 0.7Y
Nov 01, 2013 DIST-A 20 20 0.7 0.7Y
Oct 01, 2013 DIST-A 23 23 0.7 0.7Y
Sep 01, 2013 DIST-A 20 20 0.75 0.7Y
Aug 01, 2013 DIST-A 20 20 0.70 0.7Y
Jul 01, 2013 DIST-A 20 20 0.70 0.7Y
Jun 01, 2013 DIST-A 20 20 0.68 0.7Y
May 01, 2013 DIST-A 20 20 0.68 0.7Y
Apr 01, 2013 DIST-A 20 20 0.7 0.7Y
Mar 01, 2013 DIST-A 20 20 0.78 0.7Y
Feb 01, 2013 DIST-A 20 20 0.77 0.7Y
Jan 01, 2013 DIST-A 20 20 0.7 0.7Y
Dec 01, 2012 DIST-A 20 20 0.56 0.7Y
Nov 01, 2012 DIST-A 20 20 0.62 0.7Y
Oct 01, 2012 DIST-A 20 20 0.67 0.7Y
Sep 01, 2012 DIST-A 20 20 0.74 0.7Y
Aug 01, 2012 DIST-A 20 20 0.77 0.7Y
Jul 01, 2012 DIST-A 20 20 0.74 0.7Y
Jun 01, 2012 DIST-A 20 20 0.7 0.7Y
May 01, 2012 DIST-A 20 20 0.74 0.7Y
Apr 01, 2012 DIST-A 20 20 0.71 0.7Y
Mar 01, 2012 Apr 06, 2012 DIST-A 20 20 0.72 0.7Y
Feb 01, 2012 Mar 08, 2012 DIST-A 20 20 0.73 0.7Y
Jan 01, 2012 Feb 08, 2012 DIST-A 20 20 0.70 0.7Y
Dec 01, 2011 Jan 06, 2012 DIST-A 20 20 0.66 0.7Y
Nov 01, 2011 Dec 06, 2011 DIST-A 20 20 0.63 0.7Y
Oct 01, 2011 Nov 04, 2011 DIST-A 20 20 0.80 0.7Y
Sep 01, 2011 Oct 07, 2011 DIST-A 20 20 0.69 0.7Y
Aug 01, 2011 Sep 08, 2011 DIST-A 20 20 0.71 0.7Y
Jul 01, 2011 Aug 09, 2011 DIST-A 20 20 0.72 0.7Y
Jun 01, 2011 Jul 07, 2011 DIST-A 20 20 0.77 0.7Y
May 01, 2011 Jun 09, 2011 DIST-A 20 20 0.79 0.7Y
Apr 01, 2011 May 06, 2011 DIST-A 20 20 0.71 0.7Y
Mar 01, 2011 Apr 07, 2011 DIST-A 20 20 0.63 0.7Y
Feb 01, 2011 Mar 08, 2011 DIST-A 20 20 0.68 0.7Y
Jan 01, 2011 Feb 04, 2011 DIST-A 20 20 0.62 0.7Y
Dec 01, 2010 Jan 07, 2011 DIST-A 20 20 0.56 0.7Y
Nov 01, 2010 Dec 08, 2010 DIST-A 20 20 0.63 0.7Y
Oct 01, 2010 Nov 09, 2010 DIST-A 20 20 0.69 0.7Y
Sep 01, 2010 Oct 07, 2010 DIST-A 20 20 0.69 0.7Y
Aug 01, 2010 Sep 09, 2010 DIST-A 20 20 0.69 0.7Y
Jul 01, 2010 Aug 09, 2010 DIST-A 20 20 0.77 0.7Y
Jun 01, 2010 Jul 08, 2010 DIST-A 20 20 0.71 0.7Y
May 01, 2010 Jun 08, 2010 DIST-A 20 20 0.72 0.7Y
Apr 01, 2010 May 10, 2010 DIST-A 20 20 0.67 0.6Y
Mar 01, 2010 Apr 09, 2010 DIST-A 20 20 0.59 0.6Y
Feb 01, 2010 Mar 09, 2010 DIST-A 20 20 0.60 0.6Y
Jan 01, 2010 Feb 08, 2010 DIST-A 20 20 0.73 0.6Y
Dec 01, 2009 Jan 08, 2010 DIST-A 20 20 0.6000 0.6Y
Nov 01, 2009 Dec 09, 2009 DIST-A 20 20 0.61 0.6Y
Oct 01, 2009 Nov 09, 2009 DIST-A 20 20 0.66 0.6Y
Sep 01, 2009 Oct 08, 2009 DIST-A 20 20 0.60 0.6Y
Aug 01, 2009 Sep 25, 2009 DIST-A 20 20 0.75 0.6Y
Jul 01, 2009 Sep 25, 2009 DIST-A 20 20 0.8 0.6Y
Jun 01, 2009 Sep 25, 2009 DIST-A 23 23 0.8 0.6Y
May 01, 2009 Jun 08, 2009 DIST-A 20 20 0.6Y
Apr 01, 2009 May 20, 2009 DIST-A 20 20 0.69 0.6Y
Mar 01, 2009 May 20, 2009 DIST-A 20 20 0.7 0.6Y
Feb 01, 2009 May 20, 2009 DIST-A 20 21 0.68 0.6Y
Jan 01, 2009 Feb 09, 2009 DIST-A 20 20 0.73 0.6Y
Jan 01, 2009 DIST-A 20 20 0.7 0.6Y
Dec 01, 2008 DIST-A 15 20 0.7 0.6Y
Dec 01, 2008 Jan 08, 2009 DIST-A 15 20 0.66 0.6Y
Nov 01, 2008 Dec 08, 2008 DIST-A 15 20 0.51 0.6Y
Nov 01, 2008 DIST-A 15 20 0.6 0.6Y
Oct 01, 2008 DIST-A 15 20 0.5 0.6Y
Oct 01, 2008 Nov 07, 2008 DIST-A 15 20 0.50 0.6Y
Sep 01, 2008 Oct 10, 2008 DIST-A 15 20 0.56 0.6Y
Sep 01, 2008 DIST-A 15 20 0.6 0.6Y
Aug 01, 2008 DIST-A 15 20 0.6 0.6Y
Aug 01, 2008 Sep 08, 2008 DIST-A 15 20 0.61 0.6Y
Jul 01, 2008 Aug 05, 2008 DIST-A 15 20 0.64 0.6Y
Jul 01, 2008 DIST-A 15 20 0.6 0.6Y
Jun 01, 2008 DIST-A 15 20 0.6 0.6Y
Jun 01, 2008 Jul 09, 2008 DIST-A 15 20 0.65 0.6Y
May 01, 2008 Jun 09, 2008 DIST-A 15 20 0.71 0.6Y
May 01, 2008 DIST-A 15 20 0.71 0.6Y
Apr 01, 2008 DIST-A 15 20 0.69 0.6Y
Apr 01, 2008 May 09, 2008 DIST-A 15 20 0.70 0.6Y
Mar 01, 2008 Apr 08, 2008 DIST-A 15 20 0.64 0.6Y
Mar 01, 2008 DIST-A 15 20 0.6 0.6Y
Feb 01, 2008 DIST-A 15 20 0.5 0.6Y
Feb 01, 2008 Mar 07, 2008 DIST-A 15 20 0.53 0.6Y
Jan 01, 2008 Feb 07, 2008 DIST-A 15 20 0.51 0.6Y
Jan 01, 2008 DIST-A 15 20 0.5 0.6Y
Dec 01, 2007 DIST-A 15 20 0.5 0.6Y
Dec 01, 2007 Jan 08, 2008 DIST-A 15 20 0.50 0.6Y
Nov 01, 2007 Dec 07, 2007 DIST-A 15 20 0.56 0.6Y
Nov 01, 2007 DIST-A 15 20 0.6 0.6Y
Oct 01, 2007 DIST-A 15 20 0.6 0.6Y
Oct 01, 2007 Nov 07, 2007 DIST-A 15 20 0.64 0.6Y
Sep 01, 2007 Oct 05, 2007 DIST-A 15 20 0.69 0.6Y
Sep 01, 2007 DIST-A 15 20 0.7 0.6Y
Aug 01, 2007 DIST-A 15 20 0.6 0.6Y
Aug 01, 2007 Sep 07, 2007 DIST-A 15 20 0.62 0.6Y
Jul 01, 2007 Aug 03, 2007 DIST-A 15 20 0.66 0.7Y
Jul 01, 2007 DIST-A 15 20 0.7 0.7Y
Jun 01, 2007 DIST-A 15 17 0.6 0.7Y
Jun 01, 2007 Jul 05, 2007 DIST-A 15 17 0.65 0.7Y
May 01, 2007 Jun 11, 2007 DIST-A 15 17 0.66 0.7Y
May 01, 2007 DIST-A 15 17 0.66 0.7Y
Apr 01, 2007 DIST-A 15 17 0.6 0.7Y
Apr 01, 2007 May 08, 2007 DIST-A 15 17 0.63 0.7Y
Mar 01, 2007 Apr 10, 2007 DIST-A 0 17 0.66 0.7Y
Mar 01, 2007 DIST-A 15 17 0.66 0.7Y
Feb 01, 2007 DIST-A 15 17 0.6 0.8Y
Feb 01, 2007 Mar 09, 2007 DIST-A 15 17 0.64 0.8Y
Jan 01, 2007 Feb 08, 2007 DIST-A 15 17 0.67 0.8Y
Jan 01, 2007 DIST-A 15 17 0.7 0.8Y
Dec 01, 2006 DIST-A 15 17 0.6 0.8Y
Dec 01, 2006 Jan 10, 2007 DIST-A 0 17 0.63 0.8Y
Nov 01, 2006 Dec 08, 2006 DIST-A 0 17 0.61 0.8Y
Nov 01, 2006 DIST-A 15 17 0.6 0.8Y
Oct 01, 2006 DIST-A 15 17 0.65 0.8Y
Oct 01, 2006 Nov 09, 2006 DIST-A 0 17 0.65 0.8Y
Sep 01, 2006 Oct 12, 2006 DIST-A 15 17 0.63 0.8Y
Sep 01, 2006 DIST-A 15 17 0.80 0.8Y
Aug 01, 2006 DIST-A 15 17 0.89 0.9Y
Jul 01, 2006 DIST-A 15 17 0.95 0.8Y
Jul 01, 2006 Aug 09, 2006 DIST-A 15 17 0.75 0.8Y
Jun 01, 2006 Jul 10, 2006 DIST-A 15 17 0.79 0.8Y
Jun 01, 2006 DIST-A 15 17 0.98 0.8Y
May 01, 2006 DIST-A 15 17 1.06 0.8Y
May 01, 2006 Jun 06, 2006 DIST-A 15 17 0.86 0.8Y
Apr 01, 2006 May 04, 2006 DIST-A 15 17 0.74 0.8Y
Apr 01, 2006 DIST-A 15 17 0.9 0.8Y
Mar 01, 2006 DIST-A 15 17 1 0.8Y
Mar 01, 2006 Apr 07, 2006 DIST-A 15 17 0.75 0.8Y
Feb 01, 2006 Mar 09, 2006 DIST-A 15 17 0.70 0.8Y
Feb 01, 2006 DIST-A 15 17 0.87 0.8Y
Jan 01, 2006 DIST-A 15 17 0.87 0.8Y
Jan 01, 2006 Feb 08, 2006 DIST-A 15 17 0.68 0.8Y
Dec 01, 2005 Jan 09, 2006 DIST-A 15 17 0.73 0.8Y
Dec 01, 2005 DIST-A 15 17 0.91 0.8Y
Nov 01, 2005 DIST-A 15 17 0.93 0.8Y
Nov 01, 2005 Dec 08, 2005 DIST-A 15 17 0.75 0.8Y
Oct 01, 2005 Nov 08, 2005 DIST-A 15 17 0.80 0.8Y
Oct 01, 2005 DIST-A 15 17 1.11 0.8Y
Sep 01, 2005 DIST-A 15 17 0.88 0.8Y
Sep 01, 2005 Oct 11, 2005 DIST-A 15 17 0.71 0.8Y
Aug 01, 2005 Sep 11, 2005 DIST-A 15 17 0.75 0.8Y
Aug 01, 2005 DIST-A 15 17 0.88 0.8Y
Jul 01, 2005 DIST-A 15 17 0.9 0.8Y
Jul 01, 2005 Aug 05, 2005 DIST-A 15 17 0.67 0.8Y
Jun 01, 2005 Jul 08, 2005 DIST-A 15 17 0.61 0.8Y
Jun 01, 2005 DIST-A 15 17 0.88 0.8Y
May 01, 2005 DIST-A 15 17 0.70 0.8Y
May 01, 2005 Jun 08, 2005 DIST-A 15 17 0.50 0.8Y
Apr 01, 2005 May 09, 2005 DIST-A 15 17 0.90 0.8Y
Apr 01, 2005 DIST-A 15 17 1.21 0.8Y
Mar 01, 2005 DIST-A 15 17 0.81 0.7Y
Mar 01, 2005 Apr 08, 2005 DIST-A 15 17 0.70 0.7Y
Feb 01, 2005 Mar 07, 2005 DIST-A 15 17 0.70 0.7Y
Feb 01, 2005 DIST-A 15 17 0.81 0.7Y
Jan 01, 2005 DIST-A 15 17 0.91 0.7Y
Jan 01, 2005 Feb 07, 2005 DIST-A 15 17 0.71 0.7Y
Dec 01, 2004 Jan 07, 2005 DIST-A 15 17 0.72 0.7Y
Dec 01, 2004 DIST-A 15 17 0.9 0.7Y
Nov 01, 2004 DIST-A 15 17 0.83 0.7Y
Nov 01, 2004 Dec 07, 2004 DIST-A 15 17 0.70 0.7Y
Oct 01, 2004 DIST-A 15 17 0.81 0.7Y
Sep 01, 2004 DIST-A 15 17 0.7 0.6Y
Sep 01, 2004 Oct 06, 2004 DIST-A 15 17 0.51 0.6Y
 




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