OHA Drinking Water Services
OR41
PWS ID: 00939 ---- WESTFIR, 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
May 01, 2025 DIST-A 1 1 1.2 0.8Y
Apr 01, 2025 DIST-A 1 1 1 0.8Y
Mar 01, 2025 DIST-A 1 1 0.9 0.8Y
Feb 01, 2025 DIST-A 1 1 0.8 0.8Y
Jan 01, 2025 DIST-A 1 1 0.8 0.8Y
Dec 01, 2024 DIST-A 1 2 0.8 0.8Y
Nov 01, 2024 DIST-A 1 2 0.7 0.8Y
Oct 01, 2024 DIST-A 4 5 0.7 0.8Y
Sep 01, 2024 DIST-A 1 2 0.9 0.8Y
Aug 01, 2024 DIST-A 1 2 0.8 0.8Y
Jul 01, 2024 DIST-A 1 2 0.9 0.8Y
Jun 01, 2024 DIST-A 1 2 0.6 0.8Y
May 01, 2024 DIST-A 1 2 0.9 0.8Y
Apr 01, 2024 DIST-A 1 2 0.9 0.8Y
Mar 01, 2024 DIST-A 1 2 0.7 0.8Y
Feb 01, 2024 DIST-A 1 2 0.8 0.9Y
Jan 01, 2024 DIST-A 1 2 0.7 0.9Y
Dec 01, 2023 DIST-A 1 2 1 0.9Y
Nov 01, 2023 DIST-A 1 2 0.8 0.9Y
Oct 01, 2023 DIST-A 1 2 0.7 0.9Y
Sep 01, 2023 DIST-A 1 2 0.8 0.9Y
Aug 01, 2023 DIST-A 1 2 0.8 0.9Y
Jul 01, 2023 DIST-A 1 2 1 0.9Y
Jun 01, 2023 DIST-A 1 2 0.8 0.9Y
May 01, 2023 DIST-A 1 2 1 0.9Y
Apr 01, 2023 DIST-A 1 2 1 0.9Y
Mar 01, 2023 DIST-A 1 2 0.8 0.9Y
Feb 01, 2023 DIST-A 1 2 0.9 0.9Y
Jan 01, 2023 DIST-A 1 2 1 0.9Y
Dec 01, 2022 DIST-A 1 2 1.0 0.9Y
Nov 01, 2022 DIST-A 1 2 0.9 0.9Y
Oct 01, 2022 DIST-A 1 2 0.8 0.9Y
Sep 01, 2022 DIST-A 1 2 0.9 0.9Y
Aug 01, 2022 DIST-A 1 2 0.9 0.9Y
Jul 01, 2022 DIST-A 1 2 0.8 1.0Y
Jun 01, 2022 DIST-A 1 2 1 1.0Y
May 01, 2022 DIST-A 1 2 0.8 1.0Y
Apr 01, 2022 DIST-A 1 2 0.9 1.0Y
Mar 01, 2022 DIST-A 1 2 0.9 1.0Y
Feb 01, 2022 DIST-A 1 2 1 1.0Y
Jan 01, 2022 DIST-A 1 2 1 1.0Y
Dec 01, 2021 DIST-A 1 2 1 1.0Y
Nov 01, 2021 DIST-A 1 2 1.1 1.0Y
Oct 01, 2021 DIST-A 1 2 1 1.0Y
Sep 01, 2021 DIST-A 1 2 1.0 1.0Y
Aug 01, 2021 DIST-A 1 2 1 1.0Y
Jul 01, 2021 DIST-A 1 2 1 1.0Y
Jun 01, 2021 DIST-A 1 2 1 1.0Y
May 01, 2021 DIST-A 1 2 1 1.0Y
Apr 01, 2021 DIST-A 1 2 1 1.0Y
Mar 01, 2021 DIST-A 1 2 0.9 1.0Y
Feb 01, 2021 DIST-A 1 2 0.9 1.0Y
Jan 01, 2021 DIST-A 1 2 0.9 1.0Y
Dec 01, 2020 DIST-A 1 2 1 1.0Y
Nov 01, 2020 DIST-A 1 2 1.1 1.0Y
Oct 01, 2020 DIST-A 1 2 0.8 1.0Y
Sep 01, 2020 DIST-A 1 2 1.0 1.0Y
Aug 01, 2020 DIST-A 4 5 1 1.0Y
Jul 01, 2020 DIST-A 1 2 1 1.0Y
Jun 01, 2020 DIST-A 1 2 1 1.0Y
May 01, 2020 DIST-A 1 2 1 1.0Y
Apr 01, 2020 DIST-A 1 2 0.9 1.0Y
Mar 01, 2020 DIST-A 1 2 1.1 1.0Y
Feb 01, 2020 DIST-A 1 2 1 1.0Y
Jan 01, 2020 DIST-A 1 2 1.0 1.0Y
Dec 01, 2019 DIST-A 1 2 1.0 1.0Y
Nov 01, 2019 DIST-A 1 2 1.0 1.0Y
Oct 01, 2019 DIST-A 1 2 1 1.0Y
Sep 01, 2019 DIST-A 1 2 1 1.0Y
Aug 01, 2019 DIST-A 1 2 1 1.0Y
Jul 01, 2019 DIST-A 1 2 1 1.0Y
Jun 01, 2019 DIST-A 1 2 1 1.0Y
May 01, 2019 DIST-A 1 2 1 1.0Y
Apr 01, 2019 DIST-A 1 2 1 1.0Y
Mar 01, 2019 DIST-A 1 2 1.1 1.0Y
Feb 01, 2019 DIST-A 1 1 1 1.0Y
Jan 01, 2019 DIST-A 1 2 1 1.0Y
Dec 01, 2018 DIST-A 1 2 1 1.0Y
Nov 01, 2018 DIST-A 1 2 1 1.0Y
Oct 01, 2018 DIST-A 1 2 1 1.0Y
Sep 01, 2018 DIST-A 1 2 1 1.0Y
Aug 01, 2018 DIST-A 1 2 1 1.0Y
Jul 01, 2018 DIST-A 1 2 1 1.0Y
Jun 01, 2018 DIST-A 1 2 1 1.1Y
May 01, 2018 DIST-A 1 2 1 1.1Y
Apr 01, 2018 DIST-A 1 2 1.1 1.1Y
Mar 01, 2018 DIST-A 1 2 1.3 1.0Y
Feb 01, 2018 DIST-A 1 2 1.0 1.0Y
Jan 01, 2018 DIST-A 1 2 1 1.0Y
Dec 01, 2017 DIST-A 1 2 1 1.0Y
Nov 01, 2017 DIST-A 1 2 1 1.0Y
Oct 01, 2017 DIST-A 1 2 1 1.0Y
Sep 01, 2017 DIST-A 1 2 1 1.0Y
Aug 01, 2017 DIST-A 1 2 1.0 1.0Y
Jul 01, 2017 DIST-A 1 2 1.2 1.0Y
Jun 01, 2017 DIST-A 1 2 1 1.0Y
May 01, 2017 DIST-A 1 2 1.0 1.0Y
Apr 01, 2017 DIST-A 1 2 0.9 1.0Y
Mar 01, 2017 DIST-A 1 2 0.9 1.0Y
Feb 01, 2017 DIST-A 1 2 0.9 1.0Y
Jan 01, 2017 DIST-A 1 2 1.1 1.0Y
Dec 01, 2016 DIST-A 1 2 1 1.0Y
Nov 01, 2016 DIST-A 1 2 1 1.0Y
Oct 01, 2016 DIST-A 1 2 0.9 1.0Y
Sep 01, 2016 DIST-A 1 2 1.0 1.0Y
Aug 01, 2016 DIST-A 1 2 1 1.0Y
Jul 01, 2016 DIST-A 1 2 1 1.0Y
Jun 01, 2016 DIST-A 1 2 1 1.0Y
May 01, 2016 DIST-A 1 2 1.0 1.0Y
Apr 01, 2016 DIST-A 1 2 1 1.0Y
Mar 01, 2016 DIST-A 1 4 1 1.0Y
Feb 01, 2016 DIST-A 1 2 1.2 1.0Y
Jan 01, 2016 DIST-A 1 2 1 1.1Y
Dec 01, 2015 DIST-A 1 4 1 1.1Y
Nov 01, 2015 DIST-A 1 4 1 1.1Y
Oct 01, 2015 DIST-A 1 4 1 1.1Y
Sep 01, 2015 DIST-A 1 4 1 1.1Y
Aug 01, 2015 DIST-A 1 2 1 1.1Y
Jul 01, 2015 DIST-A 1 2 1 1.0Y
Jun 01, 2015 DIST-A 1 2 1 1.0Y
May 01, 2015 DIST-A 1 2 1 1.0Y
Apr 01, 2015 DIST-A 1 2 1.2 1.0Y
Mar 01, 2015 DIST-A 1 2 1.2 1.0Y
Feb 01, 2015 DIST-A 1 2 1.3 1.0Y
Jan 01, 2015 DIST-A 1 2 1.2 1.0Y
Dec 01, 2014 DIST-A 1 2 0.8 1.0Y
Nov 01, 2014 DIST-A 1 2 1 1.0Y
Oct 01, 2014 DIST-A 1 2 1 1.0Y
Sep 01, 2014 DIST-A 1 2 1 1.0Y
Aug 01, 2014 DIST-A 5 7 0.8 1.0Y
Jul 01, 2014 DIST-A 5 7 0.9 1.0Y
Jun 01, 2014 DIST-A 1 2 1 1.0Y
May 01, 2014 DIST-A 1 2 0.9 1.0Y
Apr 01, 2014 DIST-A 1 2 1 1.0Y
Mar 01, 2014 DIST-A 1 2 1.2 1.0Y
Feb 01, 2014 DIST-A 1 2 1.1 1.0Y
Jan 01, 2014 DIST-A 1 3 1 1.0Y
Dec 01, 2013 DIST-A 1 2 0.9 1.0Y
Nov 01, 2013 DIST-A 1 2 0.9 1.0Y
Oct 01, 2013 DIST-A 1 2 1.1 1.0Y
Sep 01, 2013 DIST-A 1 2 1.0 1.0Y
Aug 01, 2013 DIST-A 1 3 0.8 1.0Y
Jul 01, 2013 DIST-A 1 3 1 1.0Y
Jun 01, 2013 DIST-A 1 2 1 1.1Y
May 01, 2013 DIST-A 1 2 1.0 1.1Y
Apr 01, 2013 DIST-A 1 2 1.0 1.1Y
Mar 01, 2013 DIST-A 1 2 1 1.2Y
Feb 01, 2013 DIST-A 1 2 1.0 1.2Y
Jan 01, 2013 DIST-A 1 3 0.9 1.2Y
Dec 01, 2012 DIST-A 1 2 0.8 1.3Y
Nov 01, 2012 DIST-A 1 2 1.1 1.3Y
Oct 01, 2012 DIST-A 1 2 1.1 1.3Y
Sep 01, 2012 DIST-A 1 2 1.3 1.4Y
Aug 01, 2012 DIST-A 1 2 1.3 1.4Y
Jul 01, 2012 DIST-A 1 2 1.4 1.3Y
Jun 01, 2012 DIST-A 1 2 1.5 1.3Y
May 01, 2012 DIST-A 1 2 1.2 1.3Y
Apr 01, 2012 DIST-A 1 2 1.5 1.3Y
Mar 01, 2012 DIST-A 1 2 1.4 1.3Y
Feb 01, 2012 DIST-A 1 3 1.5 1.2Y
Jan 01, 2012 DIST-A 1 2 1.4 1.2Y
Dec 01, 2011 DIST-A 1 2 1.4 1.2Y
Nov 01, 2011 DIST-A 1 2 1 1.2Y
Oct 01, 2011 DIST-A 1 2 1.4000 1.2Y
Sep 01, 2011 DIST-A 1 2 1.3000 1.1Y
Aug 01, 2011 DIST-A 1 2 1.2000 1.1Y
Jul 01, 2011 DIST-A 1 2 1.2000 1.1Y
Jun 01, 2011 DIST-A 1 2 1.2500 1.1Y
May 01, 2011 DIST-A 1 2 1.1 1.1Y
Apr 01, 2011 DIST-A 1 2 1.0000 1.1Y
Mar 01, 2011 DIST-A 1 2 1.0000 1.1Y
Feb 01, 2011 DIST-A 1 2 1.0500 1.1Y
Jan 01, 2011 DIST-A 1 2 1.1500 1.1Y
Dec 01, 2010 DIST-A 1 2 1.3 1.1Y
Nov 01, 2010 DIST-A 1 2 1 1.1Y
Oct 01, 2010 DIST-A 1 2 1 1.1Y
Sep 01, 2010 DIST-A 1 2 1.1 1.1Y
Aug 01, 2010 DIST-A 1 2 1 1.1Y
Jul 01, 2010 DIST-A 1 1 1 1.1Y
Jun 01, 2010 DIST-A 1 2 1.1 1.2Y
May 01, 2010 DIST-A 1 2 1.2 1.1Y
Apr 01, 2010 DIST-A 1 2 1.3 1.0Y
Mar 01, 2010 DIST-A 1 2 1.2 1.0Y
Feb 01, 2010 DIST-A 1 2 1.2 1.0Y
Jan 01, 2010 DIST-A 1 2 1.1 1.0Y
Dec 01, 2009 DIST-A 1 2 1.2 1.0Y
Nov 01, 2009 DIST-A 1 2 1.1 0.8Y
Oct 01, 2009 DIST-A 1 2 1.1 0.7Y
Sep 01, 2009 DIST-A 1 2 1 0.7Y
Aug 01, 2009 DIST-A 1 2 1.2 0.7Y
Jul 01, 2009 DIST-A 1 0 0.7Y
Jun 01, 2009 DIST-A 1 2 1 0.8Y
May 01, 2009 DIST-A 1 1 0.7Y
Apr 01, 2009 DIST-A 1 0 0.0000 0.8Y
Mar 01, 2009 DIST-A 1 2 1 0.8Y
Feb 01, 2009 DIST-A 5 5 1 0.8Y
Jan 01, 2009 DIST-A 5 6 1 0.8Y
Dec 01, 2008 DIST-A 1 1 0.8Y
Nov 01, 2008 DIST-A 1 1 0.9Y
Oct 01, 2008 DIST-A 1 2 1.3 1.0Y
Sep 01, 2008 DIST-A 1 2 1 1.0Y
Aug 01, 2008 DIST-A 1 2 1 1.0Y
Jul 01, 2008 DIST-A 1 2 1 1.0Y
Jun 01, 2008 DIST-A 1 1 1.0Y
May 01, 2008 DIST-A 1 2 1.0 1.1Y
Apr 01, 2008 DIST-A 1 1 1.2 1.1Y
Mar 01, 2008 DIST-A 1 1 1.1 1.0Y
Feb 01, 2008 DIST-A 1 2 1 1.0Y
Jan 01, 2008 DIST-A 1 1 1.2 1.0Y
Dec 01, 2007 DIST-A 1 1 1.2 1.0Y
Nov 01, 2007 DIST-A 1 2 1 1.0Y
Oct 01, 2007 DIST-A 1 1 1.2 1.0Y
Sep 01, 2007 DIST-A 1 1 1 1.1Y
Aug 01, 2007 DIST-A 1 3 1 1.1Y
Jul 01, 2007 DIST-A 1 2 1 1.1Y
Jun 01, 2007 DIST-A 1 2 1 1.1Y
May 01, 2007 DIST-A 1 2 1 1.2Y
Apr 01, 2007 DIST-A 1 1 1.2Y
Mar 01, 2007 DIST-A 1 2 1 1.2Y
Feb 01, 2007 DIST-A 1 2 1.3 1.3Y
Jan 01, 2007 DIST-A 1 2 1.5 1.3Y
Dec 01, 2006 DIST-A 1 2 1.2 1.3Y
Nov 01, 2006 DIST-A 1 2 1.3 1.3Y
Oct 01, 2006 DIST-A 1 2 1.3 1.3Y
Sep 01, 2006 DIST-A 1 2 1.2 1.4Y
Aug 01, 2006 DIST-A 1 1 1.2 1.4Y
Jul 01, 2006 DIST-A 1 2 1.5 1.4Y
Jun 01, 2006 DIST-A 1 2 1.6 1.4Y
May 01, 2006 DIST-A 1 2 1.4 1.3Y
Apr 01, 2006 DIST-A 1 1 1.3Y
Mar 01, 2006 DIST-A 1 2 1.6 1.4Y
Feb 01, 2006 DIST-A 1 2 1.5 1.4Y
Jan 01, 2006 DIST-A 1 2 1.5 1.4Y
Dec 01, 2005 DIST-A 1 2 1.7 1.4Y
Nov 01, 2005 DIST-A 1 2 1.5 1.4Y
Oct 01, 2005 DIST-A 1 2 1.5 1.4Y
Sep 01, 2005 DIST-A 1 2 1.3 1.3Y
Aug 01, 2005 DIST-A 1 2 1.3 1.3Y
Jul 01, 2005 DIST-A 1 2 1.4 1.3Y
Jun 01, 2005 DIST-A 1 2 1.4 1.3Y
May 01, 2005 DIST-A 1 2 1.3 1.3Y
Apr 01, 2005 DIST-A 1 2 1.3 1.3Y
Mar 01, 2005 DIST-A 1 2 1.4 1.3Y
Feb 01, 2005 DIST-A 1 2 1.4 1.3Y
Jan 01, 2005 DIST-A 1 2 1.4 1.3Y
Dec 01, 2004 DIST-A 1 2 1.3 1.3Y
Nov 01, 2004 DIST-A 1 2 1.2 1.3Y
Oct 01, 2004 DIST-A 1 2 1.3 1.3Y
Sep 01, 2004 DIST-A 1 2 1.3 1.3Y
 



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