OHA Drinking Water Services
OR41
PWS ID: 00932 ---- WARRENTON, CITY OF
Maximum Residual Disinfection Level (MRDL) Samples
MRDL Monitoring Requirements :: Excel Spreadsheet

Monitoring
Period		 Entry
Point		 Samples
Required		 Samples
Collected		 Period
Avg		 Annual
Avg		 Level
Compliance
Mar 01, 2025 DIST-A 10 10 0.66 0.7Y
Feb 01, 2025 DIST-A 10 10 0.7 0.7Y
Jan 01, 2025 DIST-A 10 10 0.95 0.8Y
Dec 01, 2024 DIST-A 10 10 0.8 0.8Y
Nov 01, 2024 DIST-A 10 10 0.69 0.7Y
Oct 01, 2024 DIST-A 10 10 0.76 0.7Y
Sep 01, 2024 DIST-A 10 10 0.82 0.7Y
Aug 01, 2024 DIST-A 10 10 0.78 0.7Y
Jul 01, 2024 DIST-A 10 10 0.76 0.7Y
Jun 01, 2024 DIST-A 10 10 0.71 0.7Y
May 01, 2024 DIST-A 10 10 0.6 0.7Y
Apr 01, 2024 DIST-A 10 10 0.63 0.8Y
Mar 01, 2024 DIST-A 10 10 0.76 0.8Y
Feb 01, 2024 DIST-A 10 10 0.90 0.8Y
Jan 01, 2024 DIST-A 10 10 0.82 0.8Y
Dec 01, 2023 DIST-A 10 10 0.7 0.8Y
Nov 01, 2023 DIST-A 10 10 0.75 0.8Y
Oct 01, 2023 DIST-A 10 10 0.7 0.8Y
Sep 01, 2023 DIST-A 10 10 0.71 0.8Y
Aug 01, 2023 DIST-A 10 10 0.72 0.8Y
Jul 01, 2023 DIST-A 10 10 0.8 0.8Y
Jun 01, 2023 DIST-A 10 10 0.8 0.8Y
May 01, 2023 DIST-A 10 10 0.77 0.8Y
Apr 01, 2023 DIST-A 10 10 0.83 0.8Y
Mar 01, 2023 DIST-A 10 10 0.90 0.8Y
Feb 01, 2023 DIST-A 10 10 0.87 0.8Y
Jan 01, 2023 DIST-A 10 10 0.92 0.8Y
Dec 01, 2022 DIST-A 10 10 0.85 0.8Y
Nov 01, 2022 DIST-A 10 10 0.75 0.8Y
Oct 01, 2022 DIST-A 10 10 0.65 0.8Y
Sep 01, 2022 DIST-A 10 10 0.8 0.8Y
Aug 01, 2022 DIST-A 10 10 0.85 0.8Y
Jul 01, 2022 DIST-A 10 10 0.87 0.8Y
Jun 01, 2022 DIST-A 10 10 0.69 0.8Y
May 01, 2022 DIST-A 10 10 0.76 0.8Y
Apr 01, 2022 DIST-A 10 10 0.78 0.8Y
Mar 01, 2022 DIST-A 10 10 0.80 0.8Y
Feb 01, 2022 DIST-A 10 10 0.83 0.8Y
Jan 01, 2022 DIST-A 10 10 0.82 0.8Y
Dec 01, 2021 DIST-A 10 10 0.81 0.8Y
Nov 01, 2021 DIST-A 10 10 0.74 0.8Y
Oct 01, 2021 DIST-A 10 10 0.78 0.8Y
Sep 01, 2021 DIST-A 10 10 0.83 0.8Y
Aug 01, 2021 DIST-A 10 10 0.8 0.8Y
Jul 01, 2021 DIST-A 10 10 0.84 0.8Y
Jun 01, 2021 DIST-A 10 10 0.79 0.8Y
May 01, 2021 DIST-A 10 10 0.8 0.8Y
Apr 01, 2021 DIST-A 10 10 0.7 0.8Y
Mar 01, 2021 DIST-A 10 10 0.70 0.8Y
Feb 01, 2021 DIST-A 10 10 0.79 0.8Y
Jan 01, 2021 DIST-A 10 10 0.93 0.8Y
Dec 01, 2020 DIST-A 10 10 0.93 0.8Y
Nov 01, 2020 DIST-A 10 10 1 0.8Y
Oct 01, 2020 DIST-A 10 10 0.67 0.8Y
Sep 01, 2020 DIST-A 10 10 0.69 0.8Y
Aug 01, 2020 DIST-A 10 10 0.72 0.8Y
Jul 01, 2020 DIST-A 10 10 0.74 0.8Y
Jun 01, 2020 DIST-A 10 10 0.7 0.8Y
May 01, 2020 DIST-A 10 10 0.68 0.8Y
Apr 01, 2020 DIST-A 10 10 0.9 0.8Y
Mar 01, 2020 DIST-A 10 10 0.68 0.8Y
Feb 01, 2020 DIST-A 10 10 0.91 0.8Y
Jan 01, 2020 DIST-A 10 10 0.99 0.8Y
Dec 01, 2019 DIST-A 10 10 0.8 0.8Y
Nov 01, 2019 DIST-A 10 10 0.76 0.8Y
Oct 01, 2019 DIST-A 10 10 0.84 0.8Y
Sep 01, 2019 DIST-A 10 10 0.83 0.8Y
Aug 01, 2019 DIST-A 13 19 0.9 0.8Y
Jul 01, 2019 DIST-A 10 10 0.89 0.8Y
Jun 01, 2019 DIST-A 10 10 0.68 0.8Y
May 01, 2019 DIST-A 10 10 0.72 0.9Y
Apr 01, 2019 DIST-A 10 10 0.74 0.9Y
Mar 01, 2019 DIST-A 10 10 0.92 0.9Y
Feb 01, 2019 DIST-A 10 10 0.92 0.9Y
Jan 01, 2019 DIST-A 10 10 0.82 0.9Y
Dec 01, 2018 DIST-A 10 10 0.77 0.9Y
Nov 01, 2018 DIST-A 10 10 0.77 0.9Y
Oct 01, 2018 DIST-A 10 10 0.79 0.9Y
Sep 01, 2018 DIST-A 10 10 0.91 0.9Y
Aug 01, 2018 DIST-A 10 10 0.95 0.9Y
Jul 01, 2018 DIST-A 10 10 1.03 0.9Y
Jun 01, 2018 DIST-A 10 10 0.91 0.9Y
May 01, 2018 DIST-A 10 10 1.00 0.9Y
Apr 01, 2018 DIST-A 10 10 0.89 0.9Y
Mar 01, 2018 DIST-A 10 10 0.84 0.9Y
Feb 01, 2018 DIST-A 10 10 0.8 0.8Y
Jan 01, 2018 DIST-A 10 10 0.9 0.8Y
Dec 01, 2017 DIST-A 10 10 0.95 0.8Y
Nov 01, 2017 DIST-A 10 10 0.94 0.8Y
Oct 01, 2017 DIST-A 10 10 0.9 0.8Y
Sep 01, 2017 DIST-A 10 10 0.9 0.8Y
Aug 01, 2017 DIST-A 10 10 0.9 0.8Y
Jul 01, 2017 DIST-A 10 10 0.8 0.8Y
Jun 01, 2017 DIST-A 10 10 0.8 0.8Y
May 01, 2017 DIST-A 10 10 0.8 0.8Y
Apr 01, 2017 DIST-A 10 10 0.8 0.8Y
Mar 01, 2017 DIST-A 10 10 0.7 0.8Y
Feb 01, 2017 DIST-A 10 10 0.8 0.8Y
Jan 01, 2017 DIST-A 10 10 0.8 0.8Y
Dec 01, 2016 DIST-A 10 10 0.8 0.8Y
Nov 01, 2016 DIST-A 10 10 0.8 0.8Y
Oct 01, 2016 DIST-A 10 10 0.8 0.8Y
Sep 01, 2016 DIST-A 10 10 0.8 0.8Y
Aug 01, 2016 DIST-A 10 10 0.8 0.8Y
Jul 01, 2016 DIST-A 10 10 0.8 0.8Y
Jun 01, 2016 DIST-A 10 10 0.8 0.8Y
May 01, 2016 DIST-A 10 10 1.2 0.8Y
Apr 01, 2016 DIST-A 10 10 0.8 0.7Y
Mar 01, 2016 DIST-A 10 10 0.7 0.7Y
Feb 01, 2016 DIST-A 10 10 0.8 0.8Y
Jan 01, 2016 DIST-A 10 10 0.7 0.8Y
Dec 01, 2015 DIST-A 10 10 0.7 0.8Y
Nov 01, 2015 DIST-A 10 10 0.8 0.8Y
Oct 01, 2015 DIST-A 10 10 0.8 0.7Y
Sep 01, 2015 DIST-A 10 10 0.8 0.7Y
Aug 01, 2015 DIST-A 10 10 0.8 0.7Y
Jul 01, 2015 DIST-A 10 10 0.7 0.7Y
Jun 01, 2015 DIST-A 10 10 0.7 0.7Y
May 01, 2015 DIST-A 10 10 0.7 0.7Y
Apr 01, 2015 DIST-A 10 10 0.8 0.7Y
Mar 01, 2015 DIST-A 10 10 0.8 0.7Y
Feb 01, 2015 DIST-A 13 13 0.7 0.7Y
Jan 01, 2015 DIST-A 10 10 0.7 0.7Y
Dec 01, 2014 DIST-A 10 10 0.7 0.7Y
Nov 01, 2014 DIST-A 10 10 0.7 0.7Y
Oct 01, 2014 DIST-A 10 10 0.7 0.7Y
Sep 01, 2014 DIST-A 10 10 0.7 0.7Y
Aug 01, 2014 DIST-A 10 10 0.7 0.7Y
Jul 01, 2014 DIST-A 10 10 0.8 0.7Y
Jun 01, 2014 DIST-A 10 10 0.7 0.7Y
May 01, 2014 DIST-A 10 10 0.8 0.7Y
Apr 01, 2014 DIST-A 10 10 0.8 0.7Y
Mar 01, 2014 DIST-A 10 10 0.7 0.7Y
Feb 01, 2014 DIST-A 10 10 0.7 0.7Y
Jan 01, 2014 DIST-A 10 10 0.8 0.7Y
Dec 01, 2013 DIST-A 10 10 0.7 0.7Y
Nov 01, 2013 DIST-A 10 10 0.7 0.7Y
Oct 01, 2013 DIST-A 10 10 0.7 0.7Y
Sep 01, 2013 DIST-A 10 10 0.7 0.7Y
Aug 01, 2013 DIST-A 10 10 0.8 0.7Y
Jul 01, 2013 DIST-A 10 10 0.8 0.7Y
Jun 01, 2013 DIST-A 10 10 0.6 0.7Y
May 01, 2013 DIST-A 10 10 0.8 0.7Y
Apr 01, 2013 DIST-A 10 10 0.7 0.7Y
Mar 01, 2013 DIST-A 10 10 0.8 0.8Y
Feb 01, 2013 DIST-A 10 10 0.8 0.8Y
Jan 01, 2013 DIST-A 10 10 0.7 0.8Y
Dec 01, 2012 DIST-A 10 10 0.7 0.8Y
Nov 01, 2012 DIST-A 10 10 0.7 0.8Y
Oct 01, 2012 DIST-A 10 10 0.7 0.8Y
Sep 01, 2012 DIST-A 10 10 0.7 0.8Y
Aug 01, 2012 DIST-A 10 10 0.8 0.8Y
Jul 01, 2012 DIST-A 10 10 0.8 0.8Y
Jun 01, 2012 DIST-A 10 10 0.8 0.8Y
May 01, 2012 DIST-A 10 10 0.8 0.8Y
Apr 01, 2012 DIST-A 10 10 0.8 0.8Y
Mar 01, 2012 DIST-A 10 10 0.8 0.7Y
Feb 01, 2012 DIST-A 10 10 0.8 0.7Y
Jan 01, 2012 DIST-A 10 10 0.8 0.7Y
Dec 01, 2011 DIST-A 10 10 0.74 0.7Y
Nov 01, 2011 DIST-A 10 10 0.67 0.7Y
Oct 01, 2011 DIST-A 10 10 0.7500 0.7Y
Sep 01, 2011 DIST-A 10 10 0.7330 0.7Y
Aug 01, 2011 DIST-A 10 10 0.7600 0.7Y
Jul 01, 2011 DIST-A 10 10 0.7000 0.7Y
Jun 01, 2011 DIST-A 10 10 0.70 0.7Y
May 01, 2011 DIST-A 10 10 0.7500 0.7Y
Apr 01, 2011 DIST-A 10 10 0.7700 0.7Y
Mar 01, 2011 DIST-A 10 10 0.7200 0.7Y
Feb 01, 2011 DIST-A 10 10 0.7200 0.7Y
Jan 01, 2011 DIST-A 10 10 0.50 0.7Y
Dec 01, 2010 DIST-A 10 10 0.6 0.7Y
Nov 01, 2010 DIST-A 10 10 0.7 0.8Y
Oct 01, 2010 DIST-A 10 10 0.7 0.8Y
Sep 01, 2010 DIST-A 10 10 0.7 0.8Y
Aug 01, 2010 DIST-A 10 10 0.7 0.8Y
Jul 01, 2010 DIST-A 10 10 0.8 0.8Y
Jun 01, 2010 DIST-A 10 10 0.76 0.8Y
May 01, 2010 DIST-A 10 10 0.76 0.8Y
Apr 01, 2010 DIST-A 10 10 0.76 0.7Y
Mar 01, 2010 DIST-A 10 10 0.76 0.7Y
Feb 01, 2010 DIST-A 10 5 0.8 0.7Y
Jan 01, 2010 DIST-A 10 10 0.7700 0.7Y
Dec 01, 2009 DIST-A 10 10 0.8 0.7Y
Nov 01, 2009 DIST-A 10 10 0.76 0.7Y
Oct 01, 2009 DIST-A 10 10 0.69 0.6Y
Sep 01, 2009 DIST-A 10 10 0.7 0.6Y
Aug 01, 2009 DIST-A 10 10 0.7 0.6Y
Jul 01, 2009 DIST-A 10 10 0.8 0.6Y
Jun 01, 2009 DIST-A 10 10 0.8 0.6Y
May 01, 2009 DIST-A 10 10 0.6Y
Apr 01, 2009 DIST-A 10 10 1.0 0.7Y
Mar 01, 2009 DIST-A 10 10 0.8 0.6Y
Feb 01, 2009 DIST-A 10 10 0.8 0.6Y
Jan 01, 2009 DIST-A 10 10 0.8 0.6Y
Dec 01, 2008 DIST-A 10 10 0.7Y
Nov 01, 2008 DIST-A 10 10 0.7Y
Oct 01, 2008 DIST-A 10 10 0.9 0.8Y
Sep 01, 2008 DIST-A 10 10 0.9 0.8Y
Aug 01, 2008 DIST-A 10 10 0.8 0.8Y
Jul 01, 2008 DIST-A 10 10 0.8 0.8Y
Jun 01, 2008 DIST-A 10 10 0.8Y
May 01, 2008 DIST-A 13 13 1 0.9Y
Apr 01, 2008 DIST-A 10 10 0.9 0.8Y
Mar 01, 2008 DIST-A 10 15 0.8 0.8Y
Feb 01, 2008 DIST-A 10 10 0.8 0.8Y
Jan 01, 2008 DIST-A 10 10 0.9 0.9Y
Dec 01, 2007 DIST-A 10 10 0.9 0.9Y
Nov 01, 2007 DIST-A 10 10 0.8 0.9Y
Oct 01, 2007 DIST-A 10 10 0.8 0.9Y
Sep 01, 2007 DIST-A 10 10 0.8 0.9Y
Aug 01, 2007 DIST-A 10 10 0.9 0.9Y
Jul 01, 2007 DIST-A 10 10 0.8 0.9Y
Jun 01, 2007 DIST-A 10 11 0.8 0.9Y
May 01, 2007 DIST-A 10 10 0.88 1.0Y
Apr 01, 2007 DIST-A 10 10 0.9 1.0Y
Mar 01, 2007 DIST-A 10 10 0.9 1.0Y
Feb 01, 2007 DIST-A 10 9 1 1.0Y
Jan 01, 2007 DIST-A 10 10 1 1.0Y
Dec 01, 2006 DIST-A 10 5 1 1.0Y
Nov 01, 2006 DIST-A 10 10 1 1.0Y
Oct 01, 2006 DIST-A 10 5 0.8 1.0Y
Sep 01, 2006 DIST-A 10 10 1 1.0Y
Aug 01, 2006 DIST-A 10 10 1 1.0Y
Jul 01, 2006 DIST-A 10 10 1 1.0Y
Jun 01, 2006 DIST-A 10 10 1 1.0Y
May 01, 2006 DIST-A 10 10 0.9 1.0Y
Apr 01, 2006 DIST-A 10 10 1 1.0Y
Mar 01, 2006 DIST-A 10 10 1 1.0Y
Feb 01, 2006 DIST-A 10 11 1 1.0Y
Jan 01, 2006 DIST-A 10 5 1.1 1.0Y
Dec 01, 2005 DIST-A 10 5 1 1.0Y
Nov 01, 2005 DIST-A 10 10 1 1.0Y
Oct 01, 2005 DIST-A 10 10 0.9 1.0Y
Sep 01, 2005 DIST-A 10 10 1 1.0Y
Aug 01, 2005 DIST-A 10 10 1 1.0Y
Jul 01, 2005 DIST-A 10 10 1 1.0Y
Jun 01, 2005 DIST-A 10 10 1 1.0Y
May 01, 2005 DIST-A 10 10 1 1.0Y
Apr 01, 2005 DIST-A 10 10 1 1.0Y
Mar 01, 2005 DIST-A 10 10 1 1.0Y
Feb 01, 2005 DIST-A 10 10 0.9 1.0Y
Jan 01, 2005 DIST-A 10 11 1 1.0Y
Dec 01, 2004 DIST-A 10 10 1 1.0Y
Nov 01, 2004 DIST-A 10 10 1 1.1Y
Oct 01, 2004 DIST-A 10 10 1 1.1Y
Sep 01, 2004 DIST-A 10 10 1 1.1Y
 



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