OHA Drinking Water Services
OR41
PWS ID: 00566 ---- NEWPORT, 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, 2026 DIST-A 10 10 1 0.9Y
Feb 01, 2026 DIST-A 10 10 0.9 0.8Y
Jan 01, 2026 DIST-A 10 10 0.9 0.8Y
Dec 01, 2025 DIST-A 10 10 0.74 0.8Y
Nov 01, 2025 DIST-A 10 10 0.7 0.9Y
Oct 01, 2025 DIST-A 10 10 0.84 0.9Y
Sep 01, 2025 DIST-A 10 10 0.79 0.9Y
Aug 01, 2025 DIST-A 10 10 1 0.9Y
Jul 01, 2025 DIST-A 10 10 0.7 0.8Y
Jun 01, 2025 DIST-A 10 10 1 0.8Y
May 01, 2025 DIST-A 10 10 0.9 0.8Y
Apr 01, 2025 DIST-A 10 10 0.8 0.8Y
Mar 01, 2025 DIST-A 10 10 0.8 0.8Y
Feb 01, 2025 DIST-A 10 10 1 0.8Y
Jan 01, 2025 DIST-A 10 10 0.9 0.8Y
Dec 01, 2024 DIST-A 10 10 0.8 0.8Y
Nov 01, 2024 DIST-A 10 10 0.8 0.8Y
Oct 01, 2024 DIST-A 10 10 0.8 0.8Y
Sep 01, 2024 DIST-A 10 10 0.8 0.8Y
Aug 01, 2024 DIST-A 10 10 0.8 0.8Y
Jul 01, 2024 DIST-A 10 10 0.79 0.8Y
Jun 01, 2024 DIST-A 10 10 0.84 0.8Y
May 01, 2024 DIST-A 10 10 0.9 0.8Y
Apr 01, 2024 DIST-A 10 10 0.76 0.8Y
Mar 01, 2024 DIST-A 10 10 0.84 0.8Y
Feb 01, 2024 DIST-A 10 10 0.8 0.9Y
Jan 01, 2024 DIST-A 10 10 1 0.9Y
Dec 01, 2023 DIST-A 10 10 1 0.8Y
Nov 01, 2023 DIST-A 10 11 0.69 0.8Y
Oct 01, 2023 DIST-A 10 10 0.76 0.8Y
Sep 01, 2023 DIST-A 10 10 0.73 0.8Y
Aug 01, 2023 DIST-A 10 10 0.7 0.8Y
Jul 01, 2023 DIST-A 10 10 1 0.8Y
Jun 01, 2023 DIST-A 10 10 0.8 0.8Y
May 01, 2023 DIST-A 10 10 0.82 0.8Y
Apr 01, 2023 DIST-A 10 10 0.9 0.8Y
Mar 01, 2023 DIST-A 10 10 1 0.8Y
Feb 01, 2023 DIST-A 10 10 0.86 0.8Y
Jan 01, 2023 DIST-A 10 10 0.9 0.8Y
Dec 01, 2022 DIST-A 10 10 0.72 0.8Y
Nov 01, 2022 DIST-A 10 10 0.7 0.8Y
Oct 01, 2022 DIST-A 10 10 0.7 0.8Y
Sep 01, 2022 DIST-A 10 10 0.75 0.8Y
Aug 01, 2022 DIST-A 10 10 0.75 0.8Y
Jul 01, 2022 DIST-A 10 10 0.9 0.8Y
Jun 01, 2022 DIST-A 10 10 1 0.8Y
May 01, 2022 DIST-A 10 10 0.8 0.8Y
Apr 01, 2022 DIST-A 10 10 0.84 0.8Y
Mar 01, 2022 DIST-A 10 10 1 0.8Y
Feb 01, 2022 DIST-A 10 10 0.9 0.8Y
Jan 01, 2022 DIST-A 10 10 0.9 0.8Y
Dec 01, 2021 DIST-A 10 10 0.64 0.8Y
Nov 01, 2021 DIST-A 10 10 0.6 0.8Y
Oct 01, 2021 DIST-A 10 10 0.6 0.8Y
Sep 01, 2021 DIST-A 10 10 1 0.8Y
Aug 01, 2021 DIST-A 10 10 0.8 0.8Y
Jul 01, 2021 DIST-A 10 10 0.82 0.8Y
Jun 01, 2021 DIST-A 10 10 0.8 0.8Y
May 01, 2021 DIST-A 10 10 0.82 0.8Y
Apr 01, 2021 DIST-A 10 10 1 0.8Y
Mar 01, 2021 DIST-A 10 10 1 0.8Y
Feb 01, 2021 DIST-A 10 10 0.8 0.8Y
Jan 01, 2021 DIST-A 10 9 1.0 0.8Y
Dec 01, 2020 DIST-A 10 10 0.70 0.8Y
Nov 01, 2020 DIST-A 10 10 0.6 0.8Y
Oct 01, 2020 DIST-A 10 10 0.76 0.8Y
Sep 01, 2020 DIST-A 10 10 0.76 0.8Y
Aug 01, 2020 DIST-A 10 10 1 0.8Y
Jul 01, 2020 DIST-A 10 10 0.66 0.8Y
Jun 01, 2020 DIST-A 10 10 0.79 0.8Y
May 01, 2020 DIST-A 10 10 0.73 0.8Y
Apr 01, 2020 DIST-A 10 10 0.78 0.8Y
Mar 01, 2020 DIST-A 10 10 0.92 0.8Y
Feb 01, 2020 DIST-A 10 10 1.0 0.8Y
Jan 01, 2020 DIST-A 10 9 0.97 0.8Y
Dec 01, 2019 DIST-A 10 10 0.75 0.8Y
Nov 01, 2019 DIST-A 10 10 0.68 0.8Y
Oct 01, 2019 DIST-A 10 10 0.8 0.8Y
Sep 01, 2019 DIST-A 10 10 0.8 0.8Y
Aug 01, 2019 DIST-A 10 10 0.72 0.8Y
Jul 01, 2019 DIST-A 10 10 0.86 0.8Y
Jun 01, 2019 DIST-A 10 10 0.8 0.8Y
May 01, 2019 DIST-A 10 10 0.87 0.8Y
Apr 01, 2019 DIST-A 10 10 1 0.8Y
Mar 01, 2019 DIST-A 10 10 0.9 0.8Y
Feb 01, 2019 DIST-A 10 10 0.8 0.8Y
Jan 01, 2019 DIST-A 10 10 0.80 0.8Y
Dec 01, 2018 DIST-A 10 10 0.7 0.8Y
Nov 01, 2018 DIST-A 10 10 0.8 0.9Y
Oct 01, 2018 DIST-A 10 10 1 0.9Y
Sep 01, 2018 DIST-A 13 13 0.7 0.8Y
Aug 01, 2018 DIST-A 10 10 0.7 0.8Y
Jul 01, 2018 DIST-A 10 10 1 0.8Y
Jun 01, 2018 DIST-A 10 10 0.8 0.8Y
May 01, 2018 DIST-A 10 10 0.7 0.8Y
Apr 01, 2018 DIST-A 10 10 0.8 0.8Y
Mar 01, 2018 DIST-A 10 10 0.88 0.8Y
Feb 01, 2018 DIST-A 10 10 0.92 0.8Y
Jan 01, 2018 DIST-A 10 10 0.9 0.8Y
Dec 01, 2017 DIST-A 10 10 1 0.8Y
Nov 01, 2017 DIST-A 10 10 1 0.8Y
Oct 01, 2017 DIST-A 10 10 0.74 0.7Y
Sep 01, 2017 DIST-A 10 10 0.74 0.7Y
Aug 01, 2017 DIST-A 10 10 0.65 0.7Y
Jul 01, 2017 DIST-A 10 10 0.6 0.7Y
Jun 01, 2017 DIST-A 10 10 0.7 0.7Y
May 01, 2017 DIST-A 10 10 0.58 0.7Y
Apr 01, 2017 DIST-A 10 10 0.7 0.7Y
Mar 01, 2017 DIST-A 10 10 0.7 0.7Y
Feb 01, 2017 DIST-A 10 10 0.8 0.7Y
Jan 01, 2017 DIST-A 10 10 1 0.8Y
Dec 01, 2016 DIST-A 10 10 0.8 0.8Y
Nov 01, 2016 DIST-A 10 10 0.72 0.8Y
Oct 01, 2016 DIST-A 10 10 1 0.8Y
Sep 01, 2016 DIST-A 10 10 0.64 0.8Y
Aug 01, 2016 DIST-A 10 10 0.6 0.8Y
Jul 01, 2016 DIST-A 10 10 0.6 0.8Y
Jun 01, 2016 DIST-A 10 10 0.73 0.8Y
May 01, 2016 DIST-A 10 10 0.6 0.8Y
Apr 01, 2016 DIST-A 10 10 0.69 0.8Y
Mar 01, 2016 DIST-A 10 10 0.77 0.8Y
Feb 01, 2016 DIST-A 10 11 1.4 0.8Y
Jan 01, 2016 DIST-A 10 10 0.9 0.7Y
Dec 01, 2015 DIST-A 10 10 0.8 0.7Y
Nov 01, 2015 DIST-A 10 10 0.79 0.7Y
Oct 01, 2015 DIST-A 10 10 0.73 0.7Y
Sep 01, 2015 DIST-A 10 10 0.62 0.7Y
Aug 01, 2015 DIST-A 10 10 0.8 0.7Y
Jul 01, 2015 DIST-A 10 10 0.8 0.7Y
Jun 01, 2015 DIST-A 10 10 0.5 0.7Y
May 01, 2015 DIST-A 10 10 0.6 0.7Y
Apr 01, 2015 DIST-A 10 10 0.7 0.7Y
Mar 01, 2015 DIST-A 10 10 0.7 0.7Y
Feb 01, 2015 DIST-A 10 10 0.8 0.7Y
Jan 01, 2015 DIST-A 10 10 0.7 0.7Y
Dec 01, 2014 DIST-A 10 10 0.9 0.7Y
Nov 01, 2014 DIST-A 10 10 0.6 0.7Y
Oct 01, 2014 DIST-A 10 10 0.69 0.8Y
Sep 01, 2014 DIST-A 10 10 0.73 0.8Y
Aug 01, 2014 DIST-A 10 10 0.79 0.7Y
Jul 01, 2014 DIST-A 10 10 0.6 0.7Y
Jun 01, 2014 DIST-A 10 10 0.6 0.8Y
May 01, 2014 DIST-A 10 10 0.79 0.8Y
Apr 01, 2014 DIST-A 10 10 0.8 0.8Y
Mar 01, 2014 DIST-A 10 12 0.7 0.8Y
Feb 01, 2014 DIST-A 10 10 0.7 0.8Y
Jan 01, 2014 DIST-A 10 10 0.90 0.8Y
Dec 01, 2013 DIST-A 10 10 0.9 0.8Y
Nov 01, 2013 DIST-A 10 9 0.8 0.7Y
Oct 01, 2013 DIST-A 10 10 0.88 0.7Y
Sep 01, 2013 DIST-A 10 10 0.5 0.7Y
Aug 01, 2013 DIST-A 10 10 0.78 0.7Y
Jul 01, 2013 DIST-A 10 10 0.72 0.7Y
Jun 01, 2013 DIST-A 10 10 0.62 0.7Y
May 01, 2013 DIST-A 10 10 1 0.7Y
Apr 01, 2013 DIST-A 10 10 0.7 0.7Y
Mar 01, 2013 DIST-A 10 10 0.7 0.7Y
Feb 01, 2013 DIST-A 10 10 0.7 0.7Y
Jan 01, 2013 DIST-A 10 10 0.73 0.7Y
Dec 01, 2012 DIST-A 10 10 0.8 0.7Y
Nov 01, 2012 DIST-A 10 10 0.7 0.7Y
Oct 01, 2012 DIST-A 10 10 0.7 0.7Y
Sep 01, 2012 DIST-A 10 10 0.76 0.7Y
Aug 01, 2012 DIST-A 10 10 0.68 0.7Y
Jul 01, 2012 DIST-A 10 10 0.6 0.7Y
Jun 01, 2012 DIST-A 10 10 0.64 0.7Y
May 01, 2012 DIST-A 10 10 0.6 0.7Y
Apr 01, 2012 DIST-A 10 10 0.9 0.7Y
Mar 01, 2012 DIST-A 10 10 0.80 0.6Y
Feb 01, 2012 DIST-A 10 10 1 0.6Y
Jan 01, 2012 DIST-A 10 10 0.79 0.6Y
Dec 01, 2011 DIST-A 10 10 0.74 0.6Y
Nov 01, 2011 DIST-A 10 10 0.5 0.6Y
Oct 01, 2011 DIST-A 10 9 0.5778 0.6Y
Sep 01, 2011 DIST-A 10 8 0.5625 0.6Y
Aug 01, 2011 DIST-A 10 10 0.5400 0.7Y
Jul 01, 2011 DIST-A 10 8 0.4875 0.7Y
Jun 01, 2011 DIST-A 10 10 0.6 0.7Y
May 01, 2011 DIST-A 10 5 0.5000 0.7Y
Apr 01, 2011 DIST-A 10 8 0.5750 0.7Y
Mar 01, 2011 DIST-A 10 8 0.6000 0.7Y
Feb 01, 2011 DIST-A 10 10 0.6900 0.7Y
Jan 01, 2011 DIST-A 10 10 0.6 0.7Y
Dec 01, 2010 DIST-A 10 10 0.7 0.7Y
Nov 01, 2010 DIST-A 10 10 1 0.7Y
Oct 01, 2010 DIST-A 10 8 0.7250 0.7Y
Sep 01, 2010 DIST-A 10 10 1 0.7Y
Aug 01, 2010 DIST-A 10 10 0.6 0.7Y
Jul 01, 2010 DIST-A 10 10 0.7 0.7Y
Jun 01, 2010 DIST-A 10 10 1 0.7Y
May 01, 2010 DIST-A 10 10 0.5 0.7Y
Apr 01, 2010 DIST-A 10 10 0.6 0.6Y
Mar 01, 2010 DIST-A 10 10 0.6 0.6Y
Feb 01, 2010 DIST-A 10 10 0.7 0.6Y
Jan 01, 2010 DIST-A 10 10 0.6 0.6Y
Dec 01, 2009 DIST-A 10 10 0.7 0.6Y
Nov 01, 2009 DIST-A 10 10 1 0.6Y
Oct 01, 2009 DIST-A 10 10 0.7 0.5Y
Sep 01, 2009 DIST-A 10 10 0.72 0.5Y
Aug 01, 2009 DIST-A 10 10 0.5 0.5Y
Jul 01, 2009 DIST-A 10 10 0.7 0.5Y
Jun 01, 2009 DIST-A 10 10 0.6 0.5Y
May 01, 2009 DIST-A 10 10 0.5Y
Apr 01, 2009 DIST-A 10 10 0.6 0.5Y
Mar 01, 2009 DIST-A 10 10 0.6 0.6Y
Feb 01, 2009 DIST-A 10 10 0.7 0.6Y
Jan 01, 2009 DIST-A 10 10 0.7 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 0.6 0.8Y
Sep 01, 2008 DIST-A 10 10 0.6 0.8Y
Aug 01, 2008 DIST-A 10 10 0.7 0.9Y
Jul 01, 2008 DIST-A 10 10 1 0.9Y
Jun 01, 2008 DIST-A 10 10 0.9Y
May 01, 2008 DIST-A 10 10 1 1.0Y
Apr 01, 2008 DIST-A 10 10 1 1.0Y
Mar 01, 2008 DIST-A 10 10 1 1.0Y
Feb 01, 2008 DIST-A 10 9 1 1.0Y
Jan 01, 2008 DIST-A 10 10 1 1.0Y
Dec 01, 2007 DIST-A 10 10 1 1.0Y
Nov 01, 2007 DIST-A 10 10 0.7 1.0Y
Oct 01, 2007 DIST-A 10 11 1 1.0Y
Sep 01, 2007 DIST-A 10 11 1 1.0Y
Aug 01, 2007 DIST-A 10 11 1 0.9Y
Jul 01, 2007 DIST-A 10 11 1 0.9Y
Jun 01, 2007 DIST-A 10 11 1 0.9Y
May 01, 2007 DIST-A 10 11 1 0.9Y
Apr 01, 2007 DIST-A 10 11 1 0.9Y
Mar 01, 2007 DIST-A 10 11 1 0.8Y
Feb 01, 2007 DIST-A 10 11 0.86 0.8Y
Jan 01, 2007 DIST-A 10 11 0.92 0.8Y
Dec 01, 2006 DIST-A 10 11 0.99 0.8Y
Nov 01, 2006 DIST-A 0 11 0.95 0.8Y
Oct 01, 2006 DIST-A 10 11 0.76 0.8Y
Sep 01, 2006 DIST-A 10 11 0.84 0.8Y
Aug 01, 2006 DIST-A 10 11 0.72 0.8Y
Jul 01, 2006 DIST-A 10 11 0.91 0.8Y
Jun 01, 2006 DIST-A 10 11 0.66 0.8Y
May 01, 2006 DIST-A 10 11 0.67 0.8Y
Apr 01, 2006 DIST-A 10 11 0.77 0.8Y
Mar 01, 2006 DIST-A 10 11 0.78 0.8Y
Feb 01, 2006 DIST-A 10 11 0.86 0.8Y
Jan 01, 2006 DIST-A 10 11 0.80 0.8Y
Dec 01, 2005 DIST-A 10 11 0.75 0.8Y
Nov 01, 2005 DIST-A 10 11 1 0.8Y
Oct 01, 2005 DIST-A 10 11 0.70 0.8Y
Sep 01, 2005 DIST-A 10 11 0.75 0.7Y
Aug 01, 2005 DIST-A 10 11 0.86 0.7Y
Jul 01, 2005 DIST-A 10 11 0.94 0.7Y
Jun 01, 2005 DIST-A 10 11 0.836 0.7Y
May 01, 2005 DIST-A 10 11 0.636 0.7Y
Apr 01, 2005 DIST-A 10 11 0.636 0.7Y
Mar 01, 2005 DIST-A 10 11 0.651 0.7Y
Feb 01, 2005 DIST-A 10 11 0.691 0.7Y
Jan 01, 2005 DIST-A 10 11 0.918 0.7Y
Dec 01, 2004 DIST-A 10 11 .800 0.7Y
Nov 01, 2004 DIST-A 10 11 .655 0.6Y
Oct 01, 2004 DIST-A 10 11 .545 0.6Y
Sep 01, 2004 DIST-A 10 11 .418 0.7Y