OHA Drinking Water Services
MRDL Monitoring Requirements :: Excel Spreadsheet

PWS ID: 00225 ---- CORVALLIS, CITY OF
Maximum Residual Disinfection Level (MRDL) Samples

Monitoring
Period
Received Entry
Point
Samples
Required
Samples
Collected
Period
Avg
Annual
Avg
Level
Compliance
Oct 01, 2022 DIST-A 60 66 0.8 0.8Y
Sep 01, 2022 DIST-A 60 66 0.9 0.8Y
Aug 01, 2022 DIST-A 60 66 0.78 0.8Y
Jul 01, 2022 DIST-A 60 66 0.86 0.8Y
Jun 01, 2022 DIST-A 60 66 0.84 0.8Y
May 01, 2022 DIST-A 60 65 0.92 0.8Y
Apr 01, 2022 DIST-A 60 66 0.89 0.8Y
Mar 01, 2022 DIST-A 60 66 0.86 0.8Y
Feb 01, 2022 DIST-A 60 66 0.94 0.8Y
Jan 01, 2022 DIST-A 60 66 0.90 0.8Y
Dec 01, 2021 DIST-A 60 64 0.80 0.8Y
Nov 01, 2021 DIST-A 60 63 0.70 0.8Y
Oct 01, 2021 DIST-A 60 65 0.7 0.8Y
Sep 01, 2021 DIST-A 60 66 0.71 0.8Y
Aug 01, 2021 DIST-A 60 66 0.70 0.8Y
Jul 01, 2021 DIST-A 60 64 0.7 0.9Y
Jun 01, 2021 DIST-A 63 70 0.84 0.9Y
May 01, 2021 DIST-A 60 64 0.89 0.9Y
Apr 01, 2021 DIST-A 60 64 0.98 0.9Y
Mar 01, 2021 DIST-A 60 64 0.94 0.8Y
Feb 01, 2021 DIST-A 60 64 0.96 0.8Y
Jan 01, 2021 DIST-A 60 64 0.94 0.8Y
Dec 01, 2020 DIST-A 60 66 0.9 0.8Y
Nov 01, 2020 DIST-A 60 66 0.69 0.8Y
Oct 01, 2020 DIST-A 60 66 0.74 0.8Y
Sep 01, 2020 DIST-A 60 66 0.8 0.8Y
Aug 01, 2020 DIST-A 60 66 0.84 0.8Y
Jul 01, 2020 DIST-A 60 66 0.8 0.8Y
Jun 01, 2020 DIST-A 60 63 0.82 0.8Y
May 01, 2020 DIST-A 63 67 0.88 0.8Y
Apr 01, 2020 DIST-A 60 64 0.8 0.8Y
Mar 01, 2020 DIST-A 60 64 0.7 0.8Y
Feb 01, 2020 DIST-A 60 63 0.9 0.8Y
Jan 01, 2020 DIST-A 60 64 0.81 0.8Y
Dec 01, 2019 DIST-A 60 64 1 0.8Y
Nov 01, 2019 DIST-A 60 64 0.80 0.8Y
Oct 01, 2019 DIST-A 60 64 0.7 0.8Y
Sep 01, 2019 DIST-A 60 66 0.73 0.8Y
Aug 01, 2019 DIST-A 60 66 0.81 0.8Y
Jul 01, 2019 DIST-A 60 66 0.81 0.8Y
Jun 01, 2019 DIST-A 60 66 0.83 0.9Y
May 01, 2019 DIST-A 60 66 0.91 0.9Y
Apr 01, 2019 DIST-A 60 66 0.82 0.9Y
Mar 01, 2019 DIST-A 60 66 0.81 0.9Y
Feb 01, 2019 DIST-A 60 66 0.79 0.9Y
Jan 01, 2019 DIST-A 60 66 0.79 0.9Y
Dec 01, 2018 DIST-A 60 66 0.78 0.9Y
Nov 01, 2018 DIST-A 60 66 0.87 0.9Y
Oct 01, 2018 DIST-A 60 66 0.81 0.9Y
Sep 01, 2018 DIST-A 60 66 1 0.9Y
Aug 01, 2018 DIST-A 60 66 0.9 0.9Y
Jul 01, 2018 DIST-A 60 66 0.96 0.8Y
Jun 01, 2018 DIST-A 60 66 0.90 0.8Y
May 01, 2018 DIST-A 60 66 0.85 0.8Y
Apr 01, 2018 DIST-A 60 66 0.81 0.8Y
Mar 01, 2018 DIST-A 60 66 0.92 0.8Y
Feb 01, 2018 DIST-A 60 66 0.86 0.8Y
Jan 01, 2018 DIST-A 60 66 0.9 0.8Y
Dec 01, 2017 DIST-A 60 66 0.8 0.8Y
Nov 01, 2017 DIST-A 60 66 0.8 0.8Y
Oct 01, 2017 DIST-A 60 66 0.7 0.7Y
Sep 01, 2017 DIST-A 60 66 0.8 0.7Y
Aug 01, 2017 DIST-A 60 66 0.8 0.7Y
Jul 01, 2017 DIST-A 60 66 0.8 0.7Y
Jun 01, 2017 DIST-A 60 66 0.7 0.7Y
May 01, 2017 DIST-A 60 65 0.77 0.7Y
Apr 01, 2017 DIST-A 60 66 0.7 0.7Y
Mar 01, 2017 DIST-A 60 66 0.8 0.7Y
Feb 01, 2017 DIST-A 60 64 0.69 0.7Y
Jan 01, 2017 DIST-A 60 65 0.8 0.7Y
Dec 01, 2016 DIST-A 60 65 0.65 0.7Y
Nov 01, 2016 DIST-A 60 66 0.66 0.7Y
Oct 01, 2016 DIST-A 60 66 0.61 0.7Y
Sep 01, 2016 DIST-A 60 66 0.68 0.7Y
Aug 01, 2016 DIST-A 60 65 0.75 0.7Y
Jul 01, 2016 DIST-A 60 65 0.8 0.7Y
Jun 01, 2016 DIST-A 60 66 0.83 0.7Y
May 01, 2016 DIST-A 60 64 0.71 0.7Y
Apr 01, 2016 DIST-A 60 63 0.7 0.7Y
Mar 01, 2016 DIST-A 60 66 0.73 0.7Y
Feb 01, 2016 DIST-A 60 66 0.77 0.7Y
Jan 01, 2016 DIST-A 60 65 0.77 0.7Y
Dec 01, 2015 DIST-A 60 66 0.7 0.7Y
Nov 01, 2015 DIST-A 60 66 0.58 0.7Y
Oct 01, 2015 DIST-A 60 66 0.71 0.7Y
Sep 01, 2015 DIST-A 60 66 0.74 0.7Y
Aug 01, 2015 DIST-A 60 65 0.82 0.7Y
Jul 01, 2015 DIST-A 63 69 0.79 0.7Y
Jun 01, 2015 DIST-A 60 66 0.8 0.7Y
May 01, 2015 DIST-A 60 66 0.7 0.7Y
Apr 01, 2015 DIST-A 60 64 0.72 0.8Y
Mar 01, 2015 DIST-A 60 64 0.74 0.8Y
Feb 01, 2015 DIST-A 60 66 0.7 0.7Y
Jan 01, 2015 DIST-A 60 66 0.8 0.8Y
Dec 01, 2014 DIST-A 60 64 0.7 0.8Y
Nov 01, 2014 DIST-A 60 64 0.69 0.8Y
Oct 01, 2014 DIST-A 60 64 0.61 0.8Y
Sep 01, 2014 DIST-A 60 66 0.83 0.8Y
Aug 01, 2014 DIST-A 60 65 0.83 0.7Y
Jul 01, 2014 DIST-A 60 64 0.79 0.7Y
Jun 01, 2014 DIST-A 60 66 0.82 0.7Y
May 01, 2014 DIST-A 60 65 0.8 0.7Y
Apr 01, 2014 DIST-A 60 66 0.7 0.7Y
Mar 01, 2014 DIST-A 60 66 0.7 0.7Y
Feb 01, 2014 DIST-A 60 66 0.77 0.7Y
Jan 01, 2014 DIST-A 60 65 0.78 0.8Y
Dec 01, 2013 DIST-A 60 66 0.75 0.8Y
Nov 01, 2013 DIST-A 60 66 0.66 0.8Y
Oct 01, 2013 DIST-A 60 64 0.67 0.8Y
Sep 01, 2013 DIST-A 60 65 0.7 0.8Y
Aug 01, 2013 DIST-A 60 66 0.77 0.8Y
Jul 01, 2013 DIST-A 60 65 0.78 0.8Y
Jun 01, 2013 DIST-A 60 65 0.70 0.8Y
May 01, 2013 DIST-A 60 66 0.82 0.8Y
Apr 01, 2013 DIST-A 60 66 0.78 0.8Y
Mar 01, 2013 DIST-A 60 66 0.79 0.8Y
Feb 01, 2013 DIST-A 60 66 0.82 0.8Y
Jan 01, 2013 DIST-A 60 66 0.86 0.8Y
Dec 01, 2012 DIST-A 60 64 1 0.8Y
Nov 01, 2012 DIST-A 60 66 0.64 0.7Y
Oct 01, 2012 DIST-A 60 65 0.7 0.7Y
Sep 01, 2012 DIST-A 60 66 0.8 0.7Y
Aug 01, 2012 DIST-A 60 66 0.76 0.7Y
Jul 01, 2012 DIST-A 60 66 0.74 0.7Y
Jun 01, 2012 DIST-A 60 66 0.76 0.7Y
May 01, 2012 DIST-A 60 66 0.73 0.7Y
Apr 01, 2012 DIST-A 60 66 0.72 0.7Y
Mar 01, 2012 Apr 05, 2012 DIST-A 60 65 0.78 0.7Y
Feb 01, 2012 Mar 06, 2012 DIST-A 60 66 0.76 0.7Y
Jan 01, 2012 Feb 09, 2012 DIST-A 60 65 0.75 0.7Y
Dec 01, 2011 Jan 06, 2012 DIST-A 60 66 0.71 0.7Y
Nov 01, 2011 Dec 07, 2011 DIST-A 60 66 0.63 0.7Y
Oct 01, 2011 Nov 08, 2011 DIST-A 60 66 0.56 0.7Y
Sep 01, 2011 Oct 07, 2011 DIST-A 60 66 0.67 0.7Y
Aug 01, 2011 Sep 06, 2011 DIST-A 60 65 0.74 0.7Y
Jul 01, 2011 Aug 05, 2011 DIST-A 60 66 0.73 0.7Y
Jun 01, 2011 Jul 07, 2011 DIST-A 60 66 0.76 0.7Y
May 01, 2011 Jun 06, 2011 DIST-A 60 65 0.75 0.7Y
Apr 01, 2011 May 05, 2011 DIST-A 60 66 0.74 0.7Y
Mar 01, 2011 Apr 07, 2011 DIST-A 60 66 0.81 0.7Y
Feb 01, 2011 Mar 07, 2011 DIST-A 60 66 0.81 0.7Y
Jan 01, 2011 Feb 07, 2011 DIST-A 60 66 0.84 0.7Y
Dec 01, 2010 Jan 07, 2011 DIST-A 60 66 0.74 0.7Y
Nov 01, 2010 Dec 08, 2010 DIST-A 60 66 0.59 0.7Y
Oct 01, 2010 Nov 04, 2010 DIST-A 60 66 0.62 0.7Y
Sep 01, 2010 Oct 07, 2010 DIST-A 60 66 0.66 0.7Y
Aug 01, 2010 Sep 03, 2010 DIST-A 60 66 0.77 0.7Y
Jul 01, 2010 Aug 06, 2010 DIST-A 60 66 0.79 0.7Y
Jun 01, 2010 Jul 07, 2010 DIST-A 60 66 0.73 0.7Y
May 01, 2010 Jun 10, 2010 DIST-A 60 66 0.72 0.7Y
Apr 01, 2010 May 07, 2010 DIST-A 60 66 0.74 0.7Y
Mar 01, 2010 Apr 07, 2010 DIST-A 60 66 0.69 0.7Y
Feb 01, 2010 Mar 10, 2010 DIST-A 60 66 0.75 0.7Y
Jan 01, 2010 Feb 08, 2010 DIST-A 60 66 0.83 0.7Y
Dec 01, 2009 Jan 06, 2010 DIST-A 60 64 0.78 0.7Y
Nov 01, 2009 Dec 07, 2009 DIST-A 60 66 0.66 0.7Y
Oct 01, 2009 Nov 09, 2009 DIST-A 60 66 0.66 0.7Y
Sep 01, 2009 Oct 06, 2009 DIST-A 60 66 0.72 0.7Y
Aug 01, 2009 Sep 04, 2009 DIST-A 60 66 0.78 0.7Y
Jul 01, 2009 Sep 25, 2009 DIST-A 60 66 0.77 0.7Y
Jun 01, 2009 Sep 25, 2009 DIST-A 60 66 0.71 0.7Y
May 01, 2009 Jun 08, 2009 DIST-A 60 60 0.7Y
Apr 01, 2009 May 20, 2009 DIST-A 60 66 0.7 0.7Y
Mar 01, 2009 May 20, 2009 DIST-A 60 66 0.7 0.7Y
Feb 01, 2009 May 20, 2009 DIST-A 60 66 0.7 0.7Y
Jan 01, 2009 Feb 11, 2009 DIST-A 60 66 1 0.7Y
Dec 01, 2008 Jan 07, 2009 DIST-A 60 65 0.71 0.7Y
Nov 01, 2008 Dec 08, 2008 DIST-A 60 66 0.62 0.7Y
Oct 01, 2008 Nov 06, 2008 DIST-A 60 66 0.67 0.7Y
Sep 01, 2008 Oct 07, 2008 DIST-A 60 66 0.73 0.7Y
Aug 01, 2008 Sep 05, 2008 DIST-A 60 66 0.74 0.7Y
Jul 01, 2008 Aug 07, 2008 DIST-A 60 66 0.80 0.7Y
Jun 01, 2008 Jul 07, 2008 DIST-A 60 66 0.74 0.7Y
May 01, 2008 Jun 06, 2008 DIST-A 60 66 0.75 0.7Y
Apr 01, 2008 May 07, 2008 DIST-A 60 66 0.68 0.7Y
Mar 01, 2008 Apr 07, 2008 DIST-A 60 66 0.68 0.7Y
Feb 01, 2008 Mar 06, 2008 DIST-A 60 66 0.76 0.7Y
Jan 01, 2008 Feb 06, 2008 DIST-A 60 66 0.77 0.7Y
Dec 01, 2007 Jan 07, 2008 DIST-A 60 66 0.67 0.7Y
Nov 01, 2007 Dec 07, 2007 DIST-A 60 65 0.62 0.7Y
Oct 01, 2007 Nov 06, 2007 DIST-A 60 66 0.63 0.7Y
Sep 01, 2007 Oct 05, 2007 DIST-A 60 66 0.66 0.7Y
Aug 01, 2007 Sep 06, 2007 DIST-A 60 66 0.71 0.7Y
Jul 01, 2007 Aug 07, 2007 DIST-A 60 66 0.68 0.7Y
Jun 01, 2007 Jul 06, 2007 DIST-A 60 66 0.68 0.7Y
May 01, 2007 Jun 06, 2007 DIST-A 60 69 0.71 0.7Y
Apr 01, 2007 May 07, 2007 DIST-A 60 66 0.72 0.7Y
Mar 01, 2007 Apr 06, 2007 DIST-A 0 66 0.72 0.7Y
Feb 01, 2007 Mar 05, 2007 DIST-A 60 66 0.78 0.6Y
Jan 01, 2007 Feb 06, 2007 DIST-A 60 65 0.71 0.6Y
Dec 01, 2006 Jan 04, 2007 DIST-A 15 66 0.78 0.6Y
Nov 01, 2006 Dec 05, 2006 DIST-A 120 66 0.62 0.6Y
Oct 01, 2006 Nov 07, 2006 DIST-A 0 66 0.59 0.6Y
Sep 01, 2006 Oct 10, 2006 DIST-A 60 66 0.57 0.6Y
Aug 01, 2006 Sep 06, 2006 DIST-A 60 66 0.66 0.6Y
Jul 01, 2006 Aug 07, 2006 DIST-A 60 66 0.64 0.6Y
Jun 01, 2006 Jul 07, 2006 DIST-A 60 66 0.53 0.6Y
May 01, 2006 Jun 05, 2006 DIST-A 60 66 0.62 0.6Y
Apr 01, 2006 May 08, 2006 DIST-A 60 66 0.60 0.6Y
Mar 01, 2006 Apr 05, 2006 DIST-A 60 66 0.70 0.7Y
Feb 01, 2006 Mar 07, 2006 DIST-A 60 65 0.71 0.7Y
Jan 01, 2006 Feb 06, 2006 DIST-A 60 64 0.65 0.7Y
Dec 01, 2005 Jan 11, 2006 DIST-A 60 66 0.80 0.7Y
Nov 01, 2005 Dec 08, 2005 DIST-A 60 65 0.68 0.7Y
Oct 01, 2005 Nov 10, 2005 DIST-A 60 66 0.59 0.7Y
Sep 01, 2005 Oct 12, 2005 DIST-A 60 66 0.58 0.7Y
Aug 01, 2005 Sep 12, 2005 DIST-A 60 66 0.60 0.7Y
Jul 01, 2005 Aug 08, 2005 DIST-A 60 66 0.61 0.7Y
Jun 01, 2005 Jul 07, 2005 DIST-A 60 67 0.57 0.7Y
May 01, 2005 Jun 08, 2005 DIST-A 60 64 0.63 0.7Y
Apr 01, 2005 May 06, 2005 DIST-A 60 64 0.74 0.7Y
Mar 01, 2005 Apr 07, 2005 DIST-A 60 64 0.75 0.7Y
Feb 01, 2005 Mar 04, 2005 DIST-A 60 64 0.79 0.7Y
Jan 01, 2005 Feb 07, 2005 DIST-A 60 64 0.78 0.7Y
Dec 01, 2004 Jan 06, 2005 DIST-A 60 64 0.72 0.6Y
Nov 01, 2004 Dec 06, 2004 DIST-A 60 64 0.66 0.6Y
Oct 01, 2004 Nov 05, 2004 DIST-A 60 64 0.58 0.6Y
Sep 01, 2004 Nov 05, 2004 DIST-A 60 64 0.56 0.6Y
 




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