OHA Drinking Water Services
OR41
PWS ID: 00554 ---- NEHALEM, 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 0.4 0.4Y
Jan 01, 2026 DIST-A 2 2 0.30 0.4Y
Dec 01, 2025 DIST-A 2 2 0.4 0.4Y
Nov 01, 2025 DIST-A 2 2 0.4 0.4Y
Oct 01, 2025 DIST-A 2 2 0.3 0.4Y
Sep 01, 2025 DIST-A 2 2 0.4 0.4Y
Aug 01, 2025 DIST-A 2 2 0.4 0.4Y
Jul 01, 2025 DIST-A 2 2 0.44 0.4Y
Jun 01, 2025 DIST-A 2 2 0.40 0.4Y
May 01, 2025 DIST-A 2 2 0.4 0.4Y
Apr 01, 2025 DIST-A 2 2 0.39 0.4Y
Mar 01, 2025 DIST-A 2 2 0.3 0.4Y
Feb 01, 2025 DIST-A 2 2 0.40 0.4Y
Jan 01, 2025 DIST-A 2 2 0.4 0.4Y
Dec 01, 2024 DIST-A 2 2 0.4 0.4Y
Nov 01, 2024 DIST-A 2 1 0.4 0.4Y
Oct 01, 2024 DIST-A 2 2 0.4 0.4Y
Sep 01, 2024 DIST-A 2 2 0.4 0.4Y
Aug 01, 2024 DIST-A 2 2 0.4 0.4Y
Jul 01, 2024 DIST-A 2 2 0.4 0.4Y
Jun 01, 2024 DIST-A 2 2 0.30 0.4Y
May 01, 2024 DIST-A 2 2 0.3 0.4Y
Apr 01, 2024 DIST-A 2 2 0.3 0.4Y
Mar 01, 2024 DIST-A 2 2 0.4 0.4Y
Feb 01, 2024 DIST-A 2 2 0.4 0.4Y
Jan 01, 2024 DIST-A 2 2 0.3 0.4Y
Dec 01, 2023 DIST-A 2 2 0.3 0.4Y
Nov 01, 2023 DIST-A 2 2 0.4 0.4Y
Oct 01, 2023 DIST-A 2 2 0.44 0.4Y
Sep 01, 2023 DIST-A 2 2 0.4 0.4Y
Aug 01, 2023 DIST-A 2 2 0.42 0.4Y
Jul 01, 2023 DIST-A 2 2 0.45 0.4Y
Jun 01, 2023 DIST-A 2 2 0.4 0.4Y
May 01, 2023 DIST-A 2 2 0.4 0.4Y
Apr 01, 2023 DIST-A 2 2 0.4 0.4Y
Mar 01, 2023 DIST-A 2 2 0.4 0.4Y
Feb 01, 2023 DIST-A 2 2 0.4 0.4Y
Jan 01, 2023 DIST-A 2 2 0.4 0.4Y
Dec 01, 2022 DIST-A 2 2 0.5 0.4Y
Nov 01, 2022 DIST-A 2 2 0.4 0.4Y
Oct 01, 2022 DIST-A 2 4 0.4 0.4Y
Sep 01, 2022 DIST-A 2 4 0.3 0.4Y
Aug 01, 2022 DIST-A 2 4 0.40 0.4Y
Jul 01, 2022 DIST-A 2 4 0.3 0.4Y
Jun 01, 2022 DIST-A 2 4 0.4 0.4Y
May 01, 2022 DIST-A 2 4 0.4 0.4Y
Apr 01, 2022 DIST-A 2 4 0.4 0.4Y
Mar 01, 2022 DIST-A 2 4 0.4 0.5Y
Feb 01, 2022 DIST-A 2 4 0.5 0.5Y
Jan 01, 2022 DIST-A 2 4 0.4 0.5Y
Dec 01, 2021 DIST-A 2 4 0.4 0.5Y
Nov 01, 2021 DIST-A 2 4 0.5 0.5Y
Oct 01, 2021 DIST-A 2 4 0.5 0.5Y
Sep 01, 2021 DIST-A 2 4 0.4 0.5Y
Aug 01, 2021 DIST-A 2 4 0.5 0.5Y
Jul 01, 2021 DIST-A 2 4 0.5 0.5Y
Jun 01, 2021 DIST-A 2 4 0.5 0.5Y
May 01, 2021 DIST-A 2 4 0.4 0.5Y
Apr 01, 2021 DIST-A 2 4 0.5 0.5Y
Mar 01, 2021 DIST-A 2 4 0.4 0.5Y
Feb 01, 2021 DIST-A 2 4 0.4 0.5Y
Jan 01, 2021 DIST-A 2 4 0.5 0.5Y
Dec 01, 2020 DIST-A 2 2 0.5 0.5Y
Nov 01, 2020 DIST-A 2 2 0.5 0.5Y
Oct 01, 2020 DIST-A 2 2 0.5 0.5Y
Sep 01, 2020 DIST-A 2 2 0.5 0.5Y
Aug 01, 2020 DIST-A 2 2 0.5 0.5Y
Jul 01, 2020 DIST-A 2 2 0.6 0.5Y
Jun 01, 2020 DIST-A 2 2 0.4 0.5Y
May 01, 2020 DIST-A 2 4 0.5 0.5Y
Apr 01, 2020 DIST-A 2 4 0.5 0.5Y
Mar 01, 2020 DIST-A 2 2 0.5 0.5Y
Feb 01, 2020 DIST-A 2 4 0.6 0.5Y
Jan 01, 2020 DIST-A 2 4 0.6 0.5Y
Dec 01, 2019 DIST-A 2 2 0.6 0.5Y
Nov 01, 2019 DIST-A 2 4 0.4 0.5Y
Oct 01, 2019 DIST-A 2 4 0.5 0.5Y
Sep 01, 2019 DIST-A 2 4 0.4 0.4Y
Aug 01, 2019 DIST-A 2 4 0.4 0.4Y
Jul 01, 2019 DIST-A 2 4 0.4 0.4Y
Jun 01, 2019 DIST-A 2 4 0.5 0.4Y
May 01, 2019 DIST-A 2 4 0.4 0.4Y
Apr 01, 2019 DIST-A 2 4 0.5 0.4Y
Mar 01, 2019 DIST-A 2 4 0.4 0.4Y
Feb 01, 2019 DIST-A 2 4 0.5 0.5Y
Jan 01, 2019 DIST-A 2 4 0.7 0.5Y
Dec 01, 2018 DIST-A 2 4 0.4 0.4Y
Nov 01, 2018 DIST-A 2 4 0.4 0.4Y
Oct 01, 2018 DIST-A 2 4 0.4 0.4Y
Sep 01, 2018 DIST-A 2 4 0.4 0.4Y
Aug 01, 2018 DIST-A 2 4 0.4 0.4Y
Jul 01, 2018 DIST-A 2 4 0.4 0.4Y
Jun 01, 2018 DIST-A 2 4 0.5 0.4Y
May 01, 2018 DIST-A 2 4 0.4 0.4Y
Apr 01, 2018 DIST-A 2 4 0.5 0.4Y
Mar 01, 2018 DIST-A 2 4 0.6 0.4Y
Feb 01, 2018 DIST-A 2 4 0.3 0.4Y
Jan 01, 2018 DIST-A 2 4 0.3 0.4Y
Dec 01, 2017 DIST-A 2 4 0.5 0.5Y
Nov 01, 2017 DIST-A 2 4 0.5 0.4Y
Oct 01, 2017 DIST-A 2 4 0.4 0.4Y
Sep 01, 2017 DIST-A 2 4 0.4 0.4Y
Aug 01, 2017 DIST-A 2 4 0.4 0.4Y
Jul 01, 2017 DIST-A 2 4 0.5 0.4Y
Jun 01, 2017 DIST-A 2 4 0.5 0.4Y
May 01, 2017 DIST-A 2 2 0.3 0.4Y
Apr 01, 2017 DIST-A 2 4 0.5 0.4Y
Mar 01, 2017 DIST-A 2 4 0.4 0.4Y
Feb 01, 2017 DIST-A 2 4 0.5 0.4Y
Jan 01, 2017 DIST-A 2 4 0.6 0.4Y
Dec 01, 2016 DIST-A 2 4 0.4 0.4Y
Nov 01, 2016 DIST-A 2 4 0.3 0.4Y
Oct 01, 2016 DIST-A 2 4 0.3 0.4Y
Sep 01, 2016 DIST-A 2 4 0.4 0.5Y
Aug 01, 2016 DIST-A 2 4 0.4 0.5Y
Jul 01, 2016 DIST-A 2 4 0.5 0.5Y
Jun 01, 2016 DIST-A 2 4 0.5 0.5Y
May 01, 2016 DIST-A 2 4 0.5 0.5Y
Apr 01, 2016 DIST-A 2 4 0.4 0.4Y
Mar 01, 2016 DIST-A 2 2 0.4 0.5Y
Feb 01, 2016 DIST-A 2 2 0.4 0.5Y
Jan 01, 2016 DIST-A 2 2 0.5 0.5Y
Dec 01, 2015 DIST-A 2 2 0.6 0.4Y
Nov 01, 2015 DIST-A 2 2 0.3 0.4Y
Oct 01, 2015 DIST-A 2 2 0.5 0.5Y
Sep 01, 2015 DIST-A 2 2 0.5 0.5Y
Aug 01, 2015 DIST-A 2 2 0.4 0.5Y
Jul 01, 2015 DIST-A 2 2 0.4 0.5Y
Jun 01, 2015 DIST-A 2 2 0.5 0.5Y
May 01, 2015 DIST-A 2 2 0.4 0.5Y
Apr 01, 2015 DIST-A 2 2 0.5 0.5Y
Mar 01, 2015 DIST-A 2 2 0.5 0.5Y
Feb 01, 2015 DIST-A 2 3 0.3 0.5Y
Jan 01, 2015 DIST-A 2 2 0.4 0.5Y
Dec 01, 2014 DIST-A 2 2 0.6 0.5Y
Nov 01, 2014 DIST-A 2 2 0.5 0.5Y
Oct 01, 2014 DIST-A 2 2 0.7 0.5Y
Sep 01, 2014 DIST-A 2 2 0.5 0.5Y
Aug 01, 2014 DIST-A 2 2 0.4 0.5Y
Jul 01, 2014 DIST-A 2 2 0.4 0.6Y
Jun 01, 2014 DIST-A 2 2 0.4 0.6Y
May 01, 2014 DIST-A 2 2 0.4 0.5Y
Apr 01, 2014 DIST-A 2 2 0.4 0.5Y
Mar 01, 2014 DIST-A 2 2 0.7 0.6Y
Feb 01, 2014 DIST-A 2 2 0.8 0.6Y
Jan 01, 2014 DIST-A 2 2 0.7 0.5Y
Dec 01, 2013 DIST-A 2 2 0.7 0.5Y
Nov 01, 2013 DIST-A 2 2 0.5 0.5Y
Oct 01, 2013 DIST-A 2 2 0.5 0.5Y
Sep 01, 2013 DIST-A 2 2 0.6 0.5Y
Aug 01, 2013 DIST-A 2 2 0.6 0.6Y
Jul 01, 2013 DIST-A 2 2 0.35 0.5Y
Jun 01, 2013 DIST-A 2 2 0.3 0.5Y
May 01, 2013 DIST-A 2 2 0.4 0.5Y
Apr 01, 2013 DIST-A 2 2 0.6 0.5Y
Mar 01, 2013 DIST-A 2 2 0.7 0.6Y
Feb 01, 2013 DIST-A 2 2 0.5 0.6Y
Jan 01, 2013 DIST-A 2 2 0.7 0.6Y
Dec 01, 2012 DIST-A 2 2 0.8 0.7Y
Nov 01, 2012 DIST-A 2 2 0.4 0.7Y
Oct 01, 2012 DIST-A 2 2 0.6 0.7Y
Sep 01, 2012 DIST-A 2 2 0.8 0.7Y
Aug 01, 2012 DIST-A 2 2 0.3 0.7Y
Jul 01, 2012 DIST-A 2 1 0.03 0.7Y
Jun 01, 2012 DIST-A 2 2 0.4500 0.8Y
May 01, 2012 DIST-A 2 2 0.5000 0.8Y
Apr 01, 2012 DIST-A 2 2 1.0000 0.8Y
Mar 01, 2012 DIST-A 2 2 1.1000 0.7Y
Feb 01, 2012 DIST-A 2 2 0.9500 0.6Y
Jan 01, 2012 DIST-A 2 2 1.0000 0.5Y
Dec 01, 2011 DIST-A 2 2 0.9500 0.5Y
Nov 01, 2011 DIST-A 2 2 0.4000 0.4Y
Oct 01, 2011 DIST-A 2 0 0 0.4Y
Sep 01, 2011 DIST-A 2 0 0 0.4Y
Aug 01, 2011 DIST-A 2 1 0.9000 0.3Y
Jul 01, 2011 DIST-A 5 0 0 0.3Y
Jun 01, 2011 DIST-A 5 6 0.3500 0.3Y
May 01, 2011 DIST-A 2 0 0 0.3Y
Apr 01, 2011 DIST-A 2 2 0 0.3Y
Mar 01, 2011 DIST-A 2 2 0 0.3Y
Feb 01, 2011 DIST-A 2 2 0.7000 0.3Y
Jan 01, 2011 DIST-A 2 2 0.5500 0.3Y
Dec 01, 2010 DIST-A 2 2 0.3000 0.3Y
Nov 01, 2010 DIST-A 2 2 0.1500 0.3Y
Oct 01, 2010 DIST-A 2 2 0.3000 0.3Y
Sep 01, 2010 DIST-A 2 2 0.1100 0.3Y
Aug 01, 2010 DIST-A 2 2 0.2500 0.3Y
Jul 01, 2010 DIST-A 2 2 0.4000 0.3Y
Jun 01, 2010 DIST-A 2 2 0.2000 0.3Y
May 01, 2010 DIST-A 2 2 0.2000 0.3Y
Apr 01, 2010 DIST-A 2 2 0.1500 0.3Y
Mar 01, 2010 DIST-A 2 2 0.3000 0.3Y
Feb 01, 2010 DIST-A 2 2 0.4500 0.3Y
Jan 01, 2010 DIST-A 2 2 0.4500 0.3Y
Dec 01, 2009 DIST-A 2 2 0.3500 0.4Y
Nov 01, 2009 DIST-A 2 2 0.2500 0.3Y
Oct 01, 2009 DIST-A 2 2 0.3500 0.3Y
Sep 01, 2009 DIST-A 2 2 0.3000 0.3Y
Aug 01, 2009 DIST-A 2 2 0.3500 0.3Y
Jul 01, 2009 DIST-A 2 2 0.2500 0.3Y
Jun 01, 2009 DIST-A 2 2 0.2000 0.3Y
May 01, 2009 DIST-A 2 2 0.3Y
Apr 01, 2009 DIST-A 2 2 0.4500 0.3Y
Mar 01, 2009 DIST-A 2 2 0.4500 0.3Y
Feb 01, 2009 DIST-A 2 2 0.5000 0.3Y
Jan 01, 2009 DIST-A 2 1 0.8000 0.3Y
Dec 01, 2008 DIST-A 2 2 0.3Y
Nov 01, 2008 DIST-A 2 2 0.3Y
Oct 01, 2008 DIST-A 2 2 0.4000 0.4Y
Sep 01, 2008 DIST-A 2 2 0.3500 0.4Y
Aug 01, 2008 DIST-A 2 2 0.5500 0.4Y
Jul 01, 2008 DIST-A 2 2 0.3500 0.4Y
Jun 01, 2008 DIST-A 2 2 0.4Y
May 01, 2008 DIST-A 2 2 0.2500 0.5Y
Apr 01, 2008 DIST-A 2 2 0.3500 0.5Y
Mar 01, 2008 DIST-A 2 2 0.3500 0.5Y
Feb 01, 2008 DIST-A 2 2 0.5500 0.5Y
Jan 01, 2008 DIST-A 2 2 0.4500 0.5Y
Dec 01, 2007 DIST-A 2 2 0.5000 0.5Y
Nov 01, 2007 DIST-A 2 2 0.4500 0.6Y
Oct 01, 2007 DIST-A 2 2 0.5000 0.6Y
Sep 01, 2007 DIST-A 2 2 0.4500 0.6Y
Aug 01, 2007 DIST-A 2 2 0.7000 0.6Y
Jul 01, 2007 DIST-A 2 2 0.4500 0.5Y
Jun 01, 2007 DIST-A 2 2 0.6000 0.5Y
May 01, 2007 DIST-A 2 2 0.4000 0.5Y
Apr 01, 2007 DIST-A 2 2 0.4500 0.5Y
Mar 01, 2007 DIST-A 2 2 0.5000 0.5Y
Feb 01, 2007 DIST-A 2 2 0.8000 0.6Y
Jan 01, 2007 DIST-A 2 2 0.6000 0.6Y
Dec 01, 2006 DIST-A 2 2 0.8000 0.6Y
Nov 01, 2006 DIST-A 2 2 0.4000 0.6Y
Oct 01, 2006 DIST-A 2 2 0.6500 0.6Y
Sep 01, 2006 DIST-A 2 2 0.4500 0.6Y
Aug 01, 2006 DIST-A 2 2 0.3500 0.6Y
Jul 01, 2006 DIST-A 2 2 0.5000 0.6Y
Jun 01, 2006 DIST-A 2 2 0.3500 0.6Y
May 01, 2006 DIST-A 2 2 0.5000 0.6Y
Apr 01, 2006 DIST-A 2 2 0.5000 0.5Y
Mar 01, 2006 DIST-A 2 2 0.9000 0.5Y
Feb 01, 2006 DIST-A 2 2 0.7000 0.5Y
Jan 01, 2006 DIST-A 2 2 0.7000 0.5Y
Dec 01, 2005 DIST-A 2 2 0.7000 0.5Y
Nov 01, 2005 DIST-A 5 5 0.5800 0.5Y
Oct 01, 2005 DIST-A 5 5 0.6600 0.5Y
Sep 01, 2005 DIST-A 2 2 0.3500 0.5Y
Aug 01, 2005 DIST-A 2 2 0.4000 0.5Y
Jul 01, 2005 DIST-A 2 2 0.4000 0.5Y
Jun 01, 2005 DIST-A 2 2 0.3000 0.5Y
May 01, 2005 DIST-A 2 2 0.4000 0.6Y
Apr 01, 2005 DIST-A 2 2 0.4000 0.6Y
Mar 01, 2005 DIST-A 2 2 0.4000 0.6Y
Feb 01, 2005 DIST-A 2 2 0.6000 0.6Y
Jan 01, 2005 DIST-A 2 2 0.5500 0.6Y
Dec 01, 2004 DIST-A 2 2 0.6500 0.6Y
Nov 01, 2004 DIST-A 2 2 0.5000 0.6Y
Oct 01, 2004 DIST-A 2 2 0.5500 0.7Y
Sep 01, 2004 DIST-A 2 2 0.8000 0.7Y