OHA Drinking Water Services
OR41
PWS ID: 00670 ---- PORT ORFORD, 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 2 2 0.5 0.4Y
Feb 01, 2026 DIST-A 2 2 0.06 0.4Y
Jan 01, 2026 DIST-A 2 2 0.4 0.4Y
Dec 01, 2025 DIST-A 2 2 0.4 0.5Y
Nov 01, 2025 DIST-A 2 2 0.6 0.5Y
Oct 01, 2025 DIST-A 2 2 0.6 0.5Y
Sep 01, 2025 DIST-A 2 2 0.5 0.5Y
Aug 01, 2025 DIST-A 2 2 0.4 0.5Y
Jul 01, 2025 DIST-A 2 2 0.5 0.5Y
Jun 01, 2025 DIST-A 2 2 0.06 0.5Y
May 01, 2025 DIST-A 2 2 0.6 0.6Y
Apr 01, 2025 DIST-A 2 2 0.6 0.6Y
Mar 01, 2025 DIST-A 2 2 0.08 0.6Y
Feb 01, 2025 DIST-A 2 2 0.6 0.6Y
Jan 01, 2025 DIST-A 2 2 0.81 0.6Y
Dec 01, 2024 DIST-A 2 2 0.54 0.6Y
Nov 01, 2024 DIST-A 2 2 0.3 0.6Y
Oct 01, 2024 DIST-A 2 2 0.7 0.6Y
Sep 01, 2024 DIST-A 2 2 0.7 0.6Y
Aug 01, 2024 DIST-A 2 2 0.4 0.6Y
Jul 01, 2024 DIST-A 2 2 0.7 0.6Y
Jun 01, 2024 DIST-A 2 2 0.7 0.6Y
May 01, 2024 DIST-A 2 2 0.6 0.6Y
Apr 01, 2024 DIST-A 2 2 0.6 0.7Y
Mar 01, 2024 DIST-A 2 2 0.6 0.7Y
Feb 01, 2024 DIST-A 2 2 0.6 0.7Y
Jan 01, 2024 DIST-A 2 2 0.6 0.7Y
Dec 01, 2023 DIST-A 2 2 0.4 0.7Y
Nov 01, 2023 DIST-A 2 2 0.8 0.8Y
Oct 01, 2023 DIST-A 2 2 0.9 0.7Y
Sep 01, 2023 DIST-A 2 2 0.6 0.7Y
Aug 01, 2023 DIST-A 2 2 0.4 0.8Y
Jul 01, 2023 DIST-A 2 2 0.7 0.8Y
Jun 01, 2023 DIST-A 2 2 1.0 0.8Y
May 01, 2023 DIST-A 2 2 0.8 0.8Y
Apr 01, 2023 DIST-A 2 2 0.6 0.8Y
Mar 01, 2023 DIST-A 2 2 0.9 0.8Y
Feb 01, 2023 DIST-A 2 2 0.7 0.8Y
Jan 01, 2023 DIST-A 2 2 0.8 0.8Y
Dec 01, 2022 DIST-A 2 2 1.0 0.7Y
Nov 01, 2022 DIST-A 2 2 0.5 0.7Y
Oct 01, 2022 DIST-A 2 2 0.8 0.7Y
Sep 01, 2022 DIST-A 2 2 0.9 0.6Y
Aug 01, 2022 DIST-A 2 2 0.4 0.6Y
Jul 01, 2022 DIST-A 2 2 0.7 0.7Y
Jun 01, 2022 DIST-A 2 2 1 0.7Y
May 01, 2022 DIST-A 2 2 0.8 0.6Y
Apr 01, 2022 DIST-A 2 2 0.6 0.6Y
Mar 01, 2022 DIST-A 2 2 0.8 0.6Y
Feb 01, 2022 DIST-A 2 2 0.7 0.6Y
Jan 01, 2022 DIST-A 2 2 0.5 0.6Y
Dec 01, 2021 DIST-A 2 2 0.6 0.6Y
Nov 01, 2021 DIST-A 2 2 0.3 0.6Y
Oct 01, 2021 DIST-A 2 2 0.5 0.6Y
Sep 01, 2021 DIST-A 2 2 0.8 0.6Y
Aug 01, 2021 DIST-A 2 2 0.6 0.6Y
Jul 01, 2021 DIST-A 2 2 0.7 0.6Y
Jun 01, 2021 DIST-A 2 2 0.9 0.6Y
May 01, 2021 DIST-A 2 2 0.6 0.6Y
Apr 01, 2021 DIST-A 2 2 0.6 0.6Y
Mar 01, 2021 DIST-A 2 2 0.7 0.6Y
Feb 01, 2021 DIST-A 2 2 0.6 0.6Y
Jan 01, 2021 DIST-A 2 2 0.5 0.6Y
Dec 01, 2020 DIST-A 2 2 0.4 0.6Y
Nov 01, 2020 DIST-A 2 2 0.3 0.6Y
Oct 01, 2020 DIST-A 2 2 0.8 0.6Y
Sep 01, 2020 DIST-A 2 2 0.7 0.6Y
Aug 01, 2020 DIST-A 2 2 0.6 0.6Y
Jul 01, 2020 DIST-A 2 2 0.5 0.6Y
Jun 01, 2020 DIST-A 2 2 0.6 0.6Y
May 01, 2020 DIST-A 2 2 0.7 0.6Y
Apr 01, 2020 DIST-A 2 2 0.7 0.6Y
Mar 01, 2020 DIST-A 2 2 0.5 0.6Y
Feb 01, 2020 DIST-A 2 2 0.4 0.6Y
Jan 01, 2020 DIST-A 2 2 0.7 0.7Y
Dec 01, 2019 DIST-A 2 2 0.4 0.7Y
Nov 01, 2019 DIST-A 2 2 0.4 0.7Y
Oct 01, 2019 DIST-A 2 2 1 0.7Y
Sep 01, 2019 DIST-A 2 2 1 0.6Y
Aug 01, 2019 DIST-A 2 2 0.4 0.6Y
Jul 01, 2019 DIST-A 2 2 0.7 0.6Y
Jun 01, 2019 DIST-A 2 2 0.7 0.6Y
May 01, 2019 DIST-A 2 2 0.6 0.6Y
Apr 01, 2019 DIST-A 2 2 0.5 0.6Y
Mar 01, 2019 DIST-A 2 2 0.7 0.6Y
Feb 01, 2019 DIST-A 2 2 0.8 0.6Y
Jan 01, 2019 DIST-A 2 2 0.7 0.6Y
Dec 01, 2018 DIST-A 2 2 0.6 0.5Y
Nov 01, 2018 DIST-A 2 2 0.4 0.5Y
Oct 01, 2018 DIST-A 2 2 0.5 0.5Y
Sep 01, 2018 DIST-A 2 2 0.8 0.5Y
Aug 01, 2018 DIST-A 2 2 0.5 0.5Y
Jul 01, 2018 DIST-A 2 2 0.7 0.5Y
Jun 01, 2018 DIST-A 2 2 0.7 0.5Y
May 01, 2018 DIST-A 2 2 0.7 0.5Y
Apr 01, 2018 DIST-A 2 2 0.3 0.5Y
Mar 01, 2018 DIST-A 2 2 0.4 0.5Y
Feb 01, 2018 DIST-A 2 2 0.4 0.5Y
Jan 01, 2018 DIST-A 2 2 0.5 0.6Y
Dec 01, 2017 DIST-A 2 2 0.3 0.6Y
Nov 01, 2017 DIST-A 2 2 0.3 0.6Y
Oct 01, 2017 DIST-A 2 2 0.7 0.6Y
Sep 01, 2017 DIST-A 2 2 0.6 0.6Y
Aug 01, 2017 DIST-A 2 2 0.5 0.6Y
Jul 01, 2017 DIST-A 2 2 0.7 0.5Y
Jun 01, 2017 DIST-A 2 2 0.5 0.5Y
May 01, 2017 DIST-A 2 2 1 0.5Y
Apr 01, 2017 DIST-A 2 2 0.4 0.5Y
Mar 01, 2017 DIST-A 2 2 0.6 0.5Y
Feb 01, 2017 DIST-A 2 2 0.5 0.5Y
Jan 01, 2017 DIST-A 2 2 0.5 0.5Y
Dec 01, 2016 DIST-A 2 2 0.6 0.6Y
Nov 01, 2016 DIST-A 2 2 0.3 0.5Y
Oct 01, 2016 DIST-A 2 2 0.7 0.6Y
Sep 01, 2016 DIST-A 2 2 0.4 0.6Y
Aug 01, 2016 DIST-A 2 2 0.2 0.6Y
Jul 01, 2016 DIST-A 2 2 0.5 0.6Y
Jun 01, 2016 DIST-A 2 2 0.7 0.6Y
May 01, 2016 DIST-A 2 2 0.8 0.6Y
Apr 01, 2016 DIST-A 2 2 0.5 0.6Y
Mar 01, 2016 DIST-A 2 2 0.5 0.7Y
Feb 01, 2016 DIST-A 2 2 0.5 0.7Y
Jan 01, 2016 DIST-A 2 2 0.9 0.7Y
Dec 01, 2015 DIST-A 2 2 0.5 0.7Y
Nov 01, 2015 DIST-A 2 2 0.5 0.7Y
Oct 01, 2015 DIST-A 2 2 0.8 0.7Y
Sep 01, 2015 DIST-A 2 2 0.7 0.7Y
Aug 01, 2015 DIST-A 2 2 0.5 0.7Y
Jul 01, 2015 DIST-A 2 2 0.7 0.7Y
Jun 01, 2015 DIST-A 2 2 0.7 0.7Y
May 01, 2015 DIST-A 2 2 0.8 0.7Y
Apr 01, 2015 DIST-A 2 2 0.7 0.7Y
Mar 01, 2015 DIST-A 2 2 0.6 0.7Y
Feb 01, 2015 DIST-A 2 2 0.8 0.7Y
Jan 01, 2015 DIST-A 2 2 1.0 0.7Y
Dec 01, 2014 DIST-A 2 2 0.4 0.7Y
Nov 01, 2014 DIST-A 2 2 0.8 0.7Y
Oct 01, 2014 DIST-A 2 2 0.7 0.7Y
Sep 01, 2014 DIST-A 2 2 0.6 0.7Y
Aug 01, 2014 DIST-A 2 2 0.7 0.7Y
Jul 01, 2014 DIST-A 2 2 0.6 0.7Y
Jun 01, 2014 DIST-A 2 2 0.8 0.7Y
May 01, 2014 DIST-A 2 2 0.8 0.7Y
Apr 01, 2014 DIST-A 2 2 0.7 0.7Y
Mar 01, 2014 DIST-A 2 2 0.6 0.7Y
Feb 01, 2014 DIST-A 2 2 0.9 0.8Y
Jan 01, 2014 DIST-A 2 2 0.7 0.7Y
Dec 01, 2013 DIST-A 2 2 0.6 0.7Y
Nov 01, 2013 DIST-A 2 2 0.6 0.7Y
Oct 01, 2013 DIST-A 2 2 0.6 0.7Y
Sep 01, 2013 DIST-A 2 2 0.8 0.8Y
Aug 01, 2013 DIST-A 2 2 0.8 0.7Y
Jul 01, 2013 DIST-A 2 2 0.7 0.7Y
Jun 01, 2013 DIST-A 2 2 0.7 0.7Y
May 01, 2013 DIST-A 2 2 1.0 0.7Y
Apr 01, 2013 DIST-A 2 2 0.8 0.7Y
Mar 01, 2013 DIST-A 2 2 0.9 0.7Y
Feb 01, 2013 DIST-A 2 2 0.6 0.7Y
Jan 01, 2013 DIST-A 2 2 0.8 0.7Y
Dec 01, 2012 DIST-A 2 2 0.6 0.7Y
Nov 01, 2012 DIST-A 2 2 0.6 0.7Y
Oct 01, 2012 DIST-A 2 2 0.8 0.7Y
Sep 01, 2012 DIST-A 2 2 0.6 0.7Y
Aug 01, 2012 DIST-A 2 2 0.6 0.7Y
Jul 01, 2012 DIST-A 2 2 0.6000 0.7Y
Jun 01, 2012 DIST-A 2 2 0.6000 0.6Y
May 01, 2012 DIST-A 2 2 0.8000 0.6Y
Apr 01, 2012 DIST-A 2 2 0.8500 0.7Y
Mar 01, 2012 DIST-A 2 2 0.8500 0.6Y
Feb 01, 2012 DIST-A 2 2 1.0500 0.6Y
Jan 01, 2012 DIST-A 2 2 0.4500 0.6Y
Dec 01, 2011 DIST-A 2 2 0.4500 0.6Y
Nov 01, 2011 DIST-A 2 2 0.4500 0.6Y
Oct 01, 2011 DIST-A 2 2 0.5500 0.6Y
Sep 01, 2011 DIST-A 2 2 0.7500 0.6Y
Aug 01, 2011 DIST-A 2 2 0.4500 0.6Y
Jul 01, 2011 DIST-A 2 2 0.5000 0.6Y
Jun 01, 2011 DIST-A 2 2 0.6500 0.6Y
May 01, 2011 DIST-A 2 2 0.8500 0.6Y
Apr 01, 2011 DIST-A 2 2 0.6000 0.6Y
Mar 01, 2011 DIST-A 2 2 0.5000 0.6Y
Feb 01, 2011 DIST-A 2 2 0.5000 0.6Y
Jan 01, 2011 DIST-A 2 2 0.6500 0.6Y
Dec 01, 2010 DIST-A 2 2 0.3000 0.7Y
Nov 01, 2010 DIST-A 2 2 0.4500 0.7Y
Oct 01, 2010 DIST-A 2 2 0.6500 0.7Y
Sep 01, 2010 DIST-A 2 2 0.5000 0.7Y
Aug 01, 2010 DIST-A 2 2 0.7000 0.7Y
Jul 01, 2010 DIST-A 2 3 0.8667 0.7Y
Jun 01, 2010 DIST-A 2 4 0.8000 0.6Y
May 01, 2010 DIST-A 2 4 0.8500 0.6Y
Apr 01, 2010 DIST-A 2 2 0.5000 0.6Y
Mar 01, 2010 DIST-A 2 2 0.7500 0.6Y
Feb 01, 2010 DIST-A 2 2 0.7000 0.5Y
Jan 01, 2010 DIST-A 2 2 0.7500 0.5Y
Dec 01, 2009 DIST-A 2 2 0.6500 1Y
Nov 01, 2009 DIST-A 2 2 0.5000 0Y
Oct 01, 2009 DIST-A 2 2 0.6500 0Y
Sep 01, 2009 DIST-A 2 2 0.4000 0Y
Aug 01, 2009 DIST-A 2 2 0.4500 0Y
Jul 01, 2009 DIST-A 2 2 0.7000 0Y
Jun 01, 2009 DIST-A 2 2 0.7000 0Y
May 01, 2009 DIST-A 2 2 0Y
Apr 01, 2009 DIST-A 2 2 0.5500 0Y
Mar 01, 2009 DIST-A 2 2 0.4500 0Y
Feb 01, 2009 DIST-A 2 2 0.5500 0Y
Jan 01, 2009 DIST-A 2 2 0.8000 0Y
Dec 01, 2008 DIST-A 2 2 0Y
Nov 01, 2008 DIST-A 2 2 1Y
Oct 01, 2008 DIST-A 2 2 0.4000 1Y
Sep 01, 2008 DIST-A 2 2 0.6000 1Y
Aug 01, 2008 DIST-A 2 2 0.4500 1Y
Jul 01, 2008 DIST-A 2 2 0.7500 1Y
Jun 01, 2008 DIST-A 2 2 0Y
May 01, 2008 DIST-A 2 2 0.7000 1Y
Apr 01, 2008 DIST-A 2 2 0.5000 1Y
Mar 01, 2008 DIST-A 2 2 0.6000 1Y
Feb 01, 2008 DIST-A 2 2 0.7000 1Y
Jan 01, 2008 DIST-A 2 2 0.7500 1Y
Dec 01, 2007 DIST-A 2 2 0.7000 1Y
Nov 01, 2007 DIST-A 2 2 0.3500 1Y
Oct 01, 2007 DIST-A 2 2 0.3000 1Y
Sep 01, 2007 DIST-A 2 2 0.3000 1Y
Aug 01, 2007 DIST-A 2 2 0.3500 1Y
Jul 01, 2007 DIST-A 2 2 0.5000 1Y
Jun 01, 2007 DIST-A 2 2 0.7500 1Y
May 01, 2007 DIST-A 2 2 0.8500 1Y
Apr 01, 2007 DIST-A 2 2 0.6500 1Y
Mar 01, 2007 DIST-A 2 2 0.7500 1Y
Feb 01, 2007 DIST-A 2 2 0.7500 1Y
Jan 01, 2007 DIST-A 2 2 1.2000 1Y
Dec 01, 2006 DIST-A 2 2 1.2500 1Y
Nov 01, 2006 DIST-A 2 2 0.6500 1Y
Oct 01, 2006 DIST-A 2 2 1.1000 1Y
Sep 01, 2006 DIST-A 2 3 1.1667 1Y
Aug 01, 2006 DIST-A 2 2 0.9000 1Y
Jul 01, 2006 DIST-A 2 2 1.0000 1Y
Jun 01, 2006 DIST-A 2 2 1.0000 1Y
May 01, 2006 DIST-A 2 2 1.0000 1Y
Apr 01, 2006 DIST-A 2 2 0.7000 1Y
Mar 01, 2006 DIST-A 2 2 1.2000 1Y
Feb 01, 2006 DIST-A 2 2 1.0000 1Y
Jan 01, 2006 DIST-A 2 2 1.6000 1Y
Dec 01, 2005 DIST-A 2 2 1.0000 1Y
Nov 01, 2005 DIST-A 2 2 1.0000 1Y
Oct 01, 2005 DIST-A 2 2 1.2000 1Y
Sep 01, 2005 DIST-A 2 2 1.0000 1Y
Aug 01, 2005 DIST-A 2 2 1.2000 1Y
Jul 01, 2005 DIST-A 2 2 1.0000 1Y
Jun 01, 2005 DIST-A 2 2 1.2000 1Y
May 01, 2005 DIST-A 2 2 1.0000 1Y
Apr 01, 2005 DIST-A 2 2 0.9000 1Y
Mar 01, 2005 DIST-A 2 2 0.9000 1Y
Feb 01, 2005 DIST-A 2 2 0.9000 1Y
Jan 01, 2005 DIST-A 2 2 1.3000 1Y
Dec 01, 2004 DIST-A 2 2 0.7000 1Y
Nov 01, 2004 DIST-A 2 2 0.5000 1Y
Oct 01, 2004 DIST-A 2 0 1Y
Sep 01, 2004 DIST-A 2 2 1.1000 1Y