OHA Drinking Water Services
OR41
PWS ID: 00205 ---- COOS BAY NORTH BEND WTR BRD
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 40 40 3.1 3.0Y
Feb 01, 2025 DIST-A 40 40 3 3.0Y
Jan 01, 2025 DIST-A 40 40 3.0 3.0Y
Dec 01, 2024 DIST-A 40 40 3 3.0Y
Nov 01, 2024 DIST-A 40 40 3 3.1Y
Oct 01, 2024 DIST-A 40 40 3 3.0Y
Sep 01, 2024 DIST-A 40 40 2.9 3.0Y
Aug 01, 2024 DIST-A 40 40 3 3.0Y
Jul 01, 2024 DIST-A 40 40 3.1 2.9Y
Jun 01, 2024 DIST-A 40 40 3.10 2.9Y
May 01, 2024 DIST-A 40 40 3 2.9Y
Apr 01, 2024 DIST-A 40 40 3 2.9Y
Mar 01, 2024 DIST-A 40 40 3 2.9Y
Feb 01, 2024 DIST-A 40 40 3 2.9Y
Jan 01, 2024 DIST-A 40 40 3.3 3.0Y
Dec 01, 2023 DIST-A 40 40 3.2 3.0Y
Nov 01, 2023 DIST-A 40 40 2.7 3.0Y
Oct 01, 2023 DIST-A 40 40 2.4 3.0Y
Sep 01, 2023 DIST-A 40 40 2.6 3.0Y
Aug 01, 2023 DIST-A 40 40 2.9 3.1Y
Jul 01, 2023 DIST-A 40 40 3.0 3.1Y
Jun 01, 2023 DIST-A 40 40 3 3.1Y
May 01, 2023 DIST-A 40 40 3.0 3.1Y
Apr 01, 2023 DIST-A 40 40 3.2 3.1Y
Mar 01, 2023 DIST-A 40 40 3 3.1Y
Feb 01, 2023 DIST-A 40 40 3.3 3.1Y
Jan 01, 2023 DIST-A 40 40 3.3 3.1Y
Dec 01, 2022 DIST-A 40 40 3.2 3.1Y
Nov 01, 2022 DIST-A 40 40 2.9 3.1Y
Oct 01, 2022 DIST-A 40 40 3.0 3.1Y
Sep 01, 2022 DIST-A 40 40 2.87 3.1Y
Aug 01, 2022 DIST-A 40 50 3 3.1Y
Jul 01, 2022 DIST-A 40 40 3 3.1Y
Jun 01, 2022 DIST-A 40 43 3.3 3.1Y
May 01, 2022 DIST-A 40 40 3 3.1Y
Apr 01, 2022 DIST-A 40 40 3.3 3.1Y
Mar 01, 2022 DIST-A 40 40 3.4 3.1Y
Feb 01, 2022 DIST-A 40 40 3 3.0Y
Jan 01, 2022 DIST-A 40 40 3.23 3.1Y
Dec 01, 2021 DIST-A 40 40 3.25 3.1Y
Nov 01, 2021 DIST-A 40 40 3 3.0Y
Oct 01, 2021 DIST-A 40 40 3 3.0Y
Sep 01, 2021 DIST-A 40 40 3.03 3.0Y
Aug 01, 2021 DIST-A 40 40 3 3.0Y
Jul 01, 2021 DIST-A 40 40 3 3.0Y
Jun 01, 2021 DIST-A 40 40 2.9 3.0Y
May 01, 2021 DIST-A 40 40 3.0 3.1Y
Apr 01, 2021 DIST-A 40 40 3.0 3.1Y
Mar 01, 2021 DIST-A 40 40 3.07 3.1Y
Feb 01, 2021 DIST-A 40 40 3.2 3.1Y
Jan 01, 2021 DIST-A 40 40 3.2 3.1Y
Dec 01, 2020 DIST-A 40 40 3 3.1Y
Nov 01, 2020 DIST-A 40 40 3 3.1Y
Oct 01, 2020 DIST-A 40 40 2.9 3.1Y
Sep 01, 2020 DIST-A 40 40 2.9 3.1Y
Aug 01, 2020 DIST-A 40 40 3.1 3.1Y
Jul 01, 2020 DIST-A 40 40 3 3.1Y
Jun 01, 2020 DIST-A 40 40 3.26 3.2Y
May 01, 2020 DIST-A 40 40 3.3 3.1Y
Apr 01, 2020 DIST-A 40 40 3.2 3.1Y
Mar 01, 2020 DIST-A 40 40 3.15 3.1Y
Feb 01, 2020 DIST-A 40 40 3.21 3.1Y
Jan 01, 2020 DIST-A 40 40 3.2 3.1Y
Dec 01, 2019 DIST-A 40 40 3.31 3.1Y
Nov 01, 2019 DIST-A 40 40 3 3.1Y
Oct 01, 2019 DIST-A 40 40 3 3.1Y
Sep 01, 2019 DIST-A 40 40 3 3.2Y
Aug 01, 2019 DIST-A 40 40 3 3.2Y
Jul 01, 2019 DIST-A 40 40 3.2 3.2Y
Jun 01, 2019 DIST-A 40 40 3.2 3.2Y
May 01, 2019 DIST-A 40 40 3 3.2Y
Apr 01, 2019 DIST-A 40 40 3.2 3.2Y
Mar 01, 2019 DIST-A 40 40 3.3 3.2Y
Feb 01, 2019 DIST-A 40 40 3.35 3.2Y
Jan 01, 2019 DIST-A 40 40 3.2 3.2Y
Dec 01, 2018 DIST-A 40 40 3.13 3.2Y
Nov 01, 2018 DIST-A 40 40 3.2 3.2Y
Oct 01, 2018 DIST-A 40 40 3.2 3.2Y
Sep 01, 2018 DIST-A 40 40 3.1 3.2Y
Aug 01, 2018 DIST-A 40 40 3.10 3.2Y
Jul 01, 2018 DIST-A 40 40 3.2 3.2Y
Jun 01, 2018 DIST-A 43 43 3.2 3.2Y
May 01, 2018 DIST-A 40 40 3.07 3.2Y
Apr 01, 2018 DIST-A 40 40 3.2 3.2Y
Mar 01, 2018 DIST-A 40 40 3.3 3.2Y
Feb 01, 2018 DIST-A 40 40 3.4 3.2Y
Jan 01, 2018 DIST-A 40 40 3.2 3.2Y
Dec 01, 2017 DIST-A 40 40 3 3.2Y
Nov 01, 2017 DIST-A 40 40 3.24 3.2Y
Oct 01, 2017 DIST-A 40 40 3.10 3.2Y
Sep 01, 2017 DIST-A 40 40 3.14 3.1Y
Aug 01, 2017 DIST-A 40 40 3.2 3.1Y
Jul 01, 2017 DIST-A 43 43 3.2 3.1Y
Jun 01, 2017 DIST-A 40 40 3 3.1Y
May 01, 2017 DIST-A 40 40 3.3 3.1Y
Apr 01, 2017 DIST-A 40 40 3.2 3.1Y
Mar 01, 2017 DIST-A 40 40 3.3 3.1Y
Feb 01, 2017 DIST-A 40 40 3.26 3.1Y
Jan 01, 2017 DIST-A 40 40 3 3.1Y
Dec 01, 2016 DIST-A 40 40 3.3 3.1Y
Nov 01, 2016 DIST-A 40 40 3 3.1Y
Oct 01, 2016 DIST-A 40 40 2.9 3.0Y
Sep 01, 2016 DIST-A 40 40 3.01 3.0Y
Aug 01, 2016 DIST-A 43 43 3 3.0Y
Jul 01, 2016 DIST-A 40 40 3.0 3.0Y
Jun 01, 2016 DIST-A 40 40 3 2.9Y
May 01, 2016 DIST-A 40 40 3.10 2.9Y
Apr 01, 2016 DIST-A 40 40 3.2 2.9Y
Mar 01, 2016 DIST-A 40 40 3.3 2.9Y
Feb 01, 2016 DIST-A 40 40 3 2.8Y
Jan 01, 2016 DIST-A 40 40 3.3 2.8Y
Dec 01, 2015 DIST-A 40 40 2.93 2.8Y
Nov 01, 2015 DIST-A 40 40 2.44 2.8Y
Oct 01, 2015 DIST-A 40 40 2.5 2.8Y
Sep 01, 2015 DIST-A 40 40 2.66 2.8Y
Aug 01, 2015 DIST-A 46 46 3 2.8Y
Jul 01, 2015 DIST-A 40 40 2.7 2.7Y
Jun 01, 2015 DIST-A 43 43 3 2.7Y
May 01, 2015 DIST-A 40 40 2.80 2.7Y
Apr 01, 2015 DIST-A 40 40 2.78 2.7Y
Mar 01, 2015 DIST-A 40 40 2.83 2.7Y
Feb 01, 2015 DIST-A 40 40 2.90 2.7Y
Jan 01, 2015 DIST-A 40 40 3 2.7Y
Dec 01, 2014 DIST-A 40 40 2.81 2.7Y
Nov 01, 2014 DIST-A 40 40 2.7 2.7Y
Oct 01, 2014 DIST-A 40 40 2.52 2.7Y
Sep 01, 2014 DIST-A 40 40 2 2.7Y
Aug 01, 2014 DIST-A 40 40 2.74 2.7Y
Jul 01, 2014 DIST-A 40 40 2.79 2.7Y
Jun 01, 2014 DIST-A 43 43 3 2.7Y
May 01, 2014 DIST-A 40 40 2.65 2.7Y
Apr 01, 2014 DIST-A 40 40 2.7 2.7Y
Mar 01, 2014 DIST-A 40 40 2.61 2.8Y
Feb 01, 2014 DIST-A 40 40 3 2.7Y
Jan 01, 2014 DIST-A 40 40 2.7 2.7Y
Dec 01, 2013 DIST-A 40 40 2.7 2.7Y
Nov 01, 2013 DIST-A 40 40 2.48 2.8Y
Oct 01, 2013 DIST-A 40 40 2.8 2.8Y
Sep 01, 2013 DIST-A 40 40 2.78 2.7Y
Aug 01, 2013 DIST-A 40 40 2.77 2.7Y
Jul 01, 2013 DIST-A 40 40 2.8 2.7Y
Jun 01, 2013 DIST-A 40 40 2.63 2.7Y
May 01, 2013 DIST-A 43 43 3 2.8Y
Apr 01, 2013 DIST-A 40 40 2.9 2.8Y
Mar 01, 2013 DIST-A 40 40 2.2 2.8Y
Feb 01, 2013 DIST-A 40 40 2.8 2.8Y
Jan 01, 2013 DIST-A 40 40 3.05 2.9Y
Dec 01, 2012 DIST-A 40 40 2.9 2.9Y
Nov 01, 2012 DIST-A 40 40 2.5 2.8Y
Oct 01, 2012 DIST-A 40 40 2.46 2.8Y
Sep 01, 2012 DIST-A 40 40 2.7 2.8Y
Aug 01, 2012 DIST-A 43 44 2.7 2.8Y
Jul 01, 2012 DIST-A 40 40 3 2.7Y
Jun 01, 2012 DIST-A 40 40 2.8 2.7Y
May 01, 2012 DIST-A 40 40 3 2.7Y
Apr 01, 2012 DIST-A 40 40 3 2.7Y
Mar 01, 2012 DIST-A 40 40 3.15 2.7Y
Feb 01, 2012 DIST-A 40 40 3.0 2.6Y
Jan 01, 2012 DIST-A 40 40 3.30 2.6Y
Dec 01, 2011 DIST-A 40 40 1.80 2.6Y
Nov 01, 2011 DIST-A 40 40 2.40 2.6Y
Oct 01, 2011 DIST-A 40 40 2.35 2.6Y
Sep 01, 2011 DIST-A 40 40 2.60 2.6Y
Aug 01, 2011 DIST-A 40 40 2.60 2.6Y
Jul 01, 2011 DIST-A 40 40 2.80 2.6Y
Jun 01, 2011 DIST-A 40 40 2.37 2.6Y
May 01, 2011 DIST-A 40 40 2.87 2.6Y
Apr 01, 2011 DIST-A 40 40 2.67 2.6Y
Mar 01, 2011 DIST-A 40 40 2.86 2.7Y
Feb 01, 2011 DIST-A 40 40 2.47 2.7Y
Jan 01, 2011 DIST-A 40 40 3.07 2.7Y
Dec 01, 2010 DIST-A 40 40 2.64 2.7Y
Nov 01, 2010 DIST-A 40 40 2.00 2.7Y
Oct 01, 2010 DIST-A 40 40 1.80 2.6Y
Sep 01, 2010 DIST-A 40 40 2.53 2.7Y
Aug 01, 2010 DIST-A 40 40 2.51 2.7Y
Jul 01, 2010 DIST-A 40 40 2.87 2.7Y
Jun 01, 2010 DIST-A 40 40 3.0 2.6Y
May 01, 2010 DIST-A 40 40 3.05 2.5Y
Apr 01, 2010 DIST-A 40 40 3.07 2.2Y
Mar 01, 2010 DIST-A 40 40 3.07 2.1Y
Feb 01, 2010 DIST-A 40 40 3.00 2.0Y
Jan 01, 2010 DIST-A 40 40 2.91 1.9Y
Dec 01, 2009 DIST-A 40 40 2.27 1.8Y
Nov 01, 2009 DIST-A 40 40 1.68 1.8Y
Oct 01, 2009 DIST-A 40 40 2.47 1.7Y
Sep 01, 2009 DIST-A 40 40 2.45 1.6Y
Aug 01, 2009 DIST-A 40 40 2.49 1.5Y
Jul 01, 2009 DIST-A 40 40 2.03 1.4Y
Jun 01, 2009 DIST-A 40 40 1.59 1.3Y
May 01, 2009 DIST-A 40 40 1.3Y
Apr 01, 2009 DIST-A 40 40 1.88 1.4Y
Mar 01, 2009 DIST-A 40 40 1.66 1.4Y
Feb 01, 2009 DIST-A 40 40 1.80 1.4Y
Jan 01, 2009 DIST-A 40 40 1.70 1.3Y
Dec 01, 2008 DIST-A 40 40 1.31 1.4Y
Nov 01, 2008 DIST-A 40 40 1.22 1.3Y
Oct 01, 2008 DIST-A 40 40 1.20 1.3Y
Sep 01, 2008 DIST-A 40 40 1.19 1.3Y
Aug 01, 2008 DIST-A 40 40 1.35 1.2Y
Jul 01, 2008 DIST-A 40 40 1.33 1.2Y
Jun 01, 2008 DIST-A 40 40 1.24 1.2Y
May 01, 2008 DIST-A 40 40 1.15 1.2Y
Apr 01, 2008 DIST-A 40 40 1.52 1.3Y
Mar 01, 2008 DIST-A 40 40 1.47 1.4Y
Feb 01, 2008 DIST-A 40 40 1.29 1.5Y
Jan 01, 2008 DIST-A 40 40 1.98 1.6Y
Dec 01, 2007 DIST-A 40 40 1.13 1.6Y
Nov 01, 2007 DIST-A 40 40 0.91 1.7Y
Oct 01, 2007 DIST-A 40 40 0.86 1.8Y
Sep 01, 2007 DIST-A 40 40 0.57 1.9Y
Aug 01, 2007 DIST-A 40 40 0.97 2.0Y
Jul 01, 2007 DIST-A 40 40 1.17 2.1Y
Jun 01, 2007 DIST-A 40 40 1.64 2.2Y
May 01, 2007 DIST-A 40 40 1.73 2.2Y
Apr 01, 2007 DIST-A 40 40 2.51 2.2Y
Mar 01, 2007 DIST-A 0 40 3.04 2.2Y
Feb 01, 2007 DIST-A 40 40 2.52 2.1Y
Jan 01, 2007 DIST-A 40 40 2.67 2.0Y
Dec 01, 2006 DIST-A 0 40 2.34 2.0Y
Nov 01, 2006 DIST-A 0 40 2.11 1.9Y
Oct 01, 2006 DIST-A 0 40 1.76 1.9Y
Sep 01, 2006 DIST-A 30 40 1.98 1.9Y
Aug 01, 2006 DIST-A 40 0 1.8Y
Jul 01, 2006 DIST-A 40 40 1.95 1.8Y
Jun 01, 2006 DIST-A 40 40 1.80 1.7Y
May 01, 2006 DIST-A 40 40 1.77 1.7Y
Apr 01, 2006 DIST-A 40 40 2.00 1.7Y
Mar 01, 2006 DIST-A 40 40 2.01 1.7Y
Feb 01, 2006 DIST-A 40 40 2.13 1.6Y
Jan 01, 2006 DIST-A 40 40 1.95 1.6Y
Dec 01, 2005 DIST-A 40 40 1.74 1.6Y
Nov 01, 2005 DIST-A 40 40 1.80 1.6Y
Oct 01, 2005 DIST-A 40 40 1.39 1.6Y
Sep 01, 2005 DIST-A 40 40 1.19 1.7Y
Aug 01, 2005 DIST-A 40 40 1.52 1.7Y
Jul 01, 2005 DIST-A 40 40 1.70 1.7Y
Jun 01, 2005 DIST-A 40 40 1.55 1.7Y
May 01, 2005 DIST-A 40 40 1.72 1.7Y
Apr 01, 2005 DIST-A 40 40 1.60 1.7Y
Mar 01, 2005 DIST-A 40 40 1.51 1.7Y
Feb 01, 2005 DIST-A 40 40 1.91 1.8Y
Jan 01, 2005 DIST-A 40 40 1.96 1.7Y
Dec 01, 2004 DIST-A 40 40 1.95 1.7Y
Nov 01, 2004 DIST-A 40 40 1.78 1.6Y
Oct 01, 2004 DIST-A 40 40 1.64 1.5Y
Sep 01, 2004 DIST-A 40 46 1.38 1.4Y
 



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