OHA Drinking Water Services
OR41
PWS ID: 00668 ---- ROCKWOOD PUD
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 70 70 1.91 2.0Y
Apr 01, 2025 DIST-A 70 70 1.9 2.0Y
Mar 01, 2025 DIST-A 70 70 1.9 2.0Y
Feb 01, 2025 DIST-A 70 70 1.93 2.0Y
Jan 01, 2025 DIST-A 73 73 2.1 2.0Y
Dec 01, 2024 DIST-A 70 70 2.24 2.0Y
Nov 01, 2024 DIST-A 70 70 2.3 2.0Y
Oct 01, 2024 DIST-A 70 70 1.95 2.0Y
Sep 01, 2024 DIST-A 70 70 1.97 1.9Y
Aug 01, 2024 DIST-A 70 70 2.04 1.9Y
Jul 01, 2024 DIST-A 73 73 2.1 1.9Y
Jun 01, 2024 DIST-A 70 70 1.8 1.9Y
May 01, 2024 DIST-A 73 73 1.8 1.9Y
Apr 01, 2024 DIST-A 70 70 1.88 1.9Y
Mar 01, 2024 DIST-A 70 70 2 1.9Y
Feb 01, 2024 DIST-A 70 70 1.95 1.9Y
Jan 01, 2024 DIST-A 73 73 2.0 1.9Y
Dec 01, 2023 DIST-A 70 70 2.1 1.9Y
Nov 01, 2023 DIST-A 70 70 2 1.9Y
Oct 01, 2023 DIST-A 70 70 1.7 1.9Y
Sep 01, 2023 DIST-A 70 70 1.9 1.9Y
Aug 01, 2023 DIST-A 70 70 1.98 1.9Y
Jul 01, 2023 DIST-A 70 70 2 1.9Y
Jun 01, 2023 DIST-A 70 70 1.94 1.9Y
May 01, 2023 DIST-A 70 70 1.8 1.9Y
Apr 01, 2023 DIST-A 70 70 1.81 1.9Y
Mar 01, 2023 DIST-A 70 70 1.81 1.9Y
Feb 01, 2023 DIST-A 70 70 1.8 1.9Y
Jan 01, 2023 DIST-A 70 70 1.81 1.9Y
Dec 01, 2022 DIST-A 70 70 2.02 1.9Y
Nov 01, 2022 DIST-A 70 70 2.00 1.9Y
Oct 01, 2022 DIST-A 73 71 2 1.8Y
Sep 01, 2022 DIST-A 70 70 2.02 1.8Y
Aug 01, 2022 DIST-A 70 70 1.98 1.8Y
Jul 01, 2022 DIST-A 70 70 1.77 1.8Y
Jun 01, 2022 DIST-A 70 70 1.72 1.8Y
May 01, 2022 DIST-A 70 70 1.77 1.8Y
Apr 01, 2022 DIST-A 70 70 1.79 1.8Y
Mar 01, 2022 DIST-A 70 70 1.79 1.8Y
Feb 01, 2022 DIST-A 70 70 1.85 1.8Y
Jan 01, 2022 DIST-A 70 70 1.81 1.8Y
Dec 01, 2021 DIST-A 70 70 2 1.8Y
Nov 01, 2021 DIST-A 70 70 1.65 1.7Y
Oct 01, 2021 DIST-A 70 70 1.7 1.8Y
Sep 01, 2021 DIST-A 70 70 1.7 1.8Y
Aug 01, 2021 DIST-A 70 70 1.7 1.8Y
Jul 01, 2021 DIST-A 70 70 1.8 1.8Y
Jun 01, 2021 DIST-A 70 70 1.77 1.8Y
May 01, 2021 DIST-A 70 70 1.74 1.8Y
Apr 01, 2021 DIST-A 70 70 1.8 1.8Y
Mar 01, 2021 DIST-A 70 70 1.81 1.8Y
Feb 01, 2021 DIST-A 70 72 1.8 1.9Y
Jan 01, 2021 DIST-A 70 70 1.73 1.9Y
Dec 01, 2020 DIST-A 70 70 1.8 1.9Y
Nov 01, 2020 DIST-A 70 70 1.94 1.9Y
Oct 01, 2020 DIST-A 70 70 1.82 1.9Y
Sep 01, 2020 DIST-A 70 70 1.83 1.9Y
Aug 01, 2020 DIST-A 70 70 2.0 1.9Y
Jul 01, 2020 DIST-A 70 70 2 1.8Y
Jun 01, 2020 DIST-A 70 70 1.8 1.8Y
May 01, 2020 DIST-A 70 70 1.8 1.8Y
Apr 01, 2020 DIST-A 70 70 1.8 1.8Y
Mar 01, 2020 DIST-A 70 70 1.9 1.8Y
Feb 01, 2020 DIST-A 70 70 1.9 1.8Y
Jan 01, 2020 DIST-A 70 70 1.93 1.8Y
Dec 01, 2019 DIST-A 70 70 2.0 1.8Y
Nov 01, 2019 DIST-A 70 70 1.80 1.8Y
Oct 01, 2019 DIST-A 70 70 1.7 1.7Y
Sep 01, 2019 DIST-A 70 70 1.62 1.7Y
Aug 01, 2019 DIST-A 70 70 1.77 1.8Y
Jul 01, 2019 DIST-A 70 70 1.7 1.7Y
Jun 01, 2019 DIST-A 70 70 1.73 1.7Y
May 01, 2019 DIST-A 70 70 1.73 1.7Y
Apr 01, 2019 DIST-A 70 70 1.79 1.7Y
Mar 01, 2019 DIST-A 70 70 1.83 1.7Y
Feb 01, 2019 DIST-A 70 70 1.80 1.7Y
Jan 01, 2019 DIST-A 70 70 1.79 1.7Y
Dec 01, 2018 DIST-A 70 70 1.76 1.7Y
Nov 01, 2018 DIST-A 70 70 1.7 1.7Y
Oct 01, 2018 DIST-A 70 70 1.71 1.7Y
Sep 01, 2018 DIST-A 70 70 1.7 1.7Y
Aug 01, 2018 DIST-A 70 70 1.73 1.7Y
Jul 01, 2018 DIST-A 73 55 1.7 1.7Y
Jun 01, 2018 DIST-A 70 70 1.56 1.7Y
May 01, 2018 DIST-A 70 70 1.65 1.7Y
Apr 01, 2018 DIST-A 73 73 1.7 1.7Y
Mar 01, 2018 DIST-A 70 70 1.64 1.7Y
Feb 01, 2018 DIST-A 70 70 1.7 1.7Y
Jan 01, 2018 DIST-A 70 70 1.76 1.7Y
Dec 01, 2017 DIST-A 70 70 1.82 1.7Y
Nov 01, 2017 DIST-A 70 70 1.5 1.7Y
Oct 01, 2017 DIST-A 70 70 1.62 1.8Y
Sep 01, 2017 DIST-A 70 70 1.7 1.8Y
Aug 01, 2017 DIST-A 70 70 1.78 1.8Y
Jul 01, 2017 DIST-A 70 70 1.71 1.8Y
Jun 01, 2017 DIST-A 70 70 1.7 1.8Y
May 01, 2017 DIST-A 70 70 1.80 1.8Y
Apr 01, 2017 DIST-A 70 70 1.79 1.8Y
Mar 01, 2017 DIST-A 70 70 1.78 1.8Y
Feb 01, 2017 DIST-A 70 70 1.84 1.8Y
Jan 01, 2017 DIST-A 70 70 1.8 1.8Y
Dec 01, 2016 DIST-A 70 70 1.89 1.8Y
Nov 01, 2016 DIST-A 73 73 1.7 1.8Y
Oct 01, 2016 DIST-A 70 70 1.69 1.9Y
Sep 01, 2016 DIST-A 70 70 1.62 1.9Y
Aug 01, 2016 DIST-A 70 70 1.82 1.9Y
Jul 01, 2016 DIST-A 70 70 1.72 1.9Y
Jun 01, 2016 DIST-A 70 70 1.8 1.9Y
May 01, 2016 DIST-A 70 70 1.82 2.0Y
Apr 01, 2016 DIST-A 70 70 1.94 2.0Y
Mar 01, 2016 DIST-A 70 70 2 2.0Y
Feb 01, 2016 DIST-A 70 70 1.96 1.9Y
Jan 01, 2016 DIST-A 70 70 1.92 1.9Y
Dec 01, 2015 DIST-A 70 70 2.01 1.9Y
Nov 01, 2015 DIST-A 70 70 2.0 1.9Y
Oct 01, 2015 DIST-A 70 70 1.9 1.9Y
Sep 01, 2015 DIST-A 70 70 2.01 1.9Y
Aug 01, 2015 DIST-A 70 70 2 1.9Y
Jul 01, 2015 DIST-A 70 70 2.0 1.9Y
Jun 01, 2015 DIST-A 70 70 2 1.9Y
May 01, 2015 DIST-A 70 70 1.83 1.9Y
Apr 01, 2015 DIST-A 70 70 1.84 1.9Y
Mar 01, 2015 DIST-A 73 73 1.8 1.9Y
Feb 01, 2015 DIST-A 70 70 1.89 1.9Y
Jan 01, 2015 DIST-A 70 70 1.89 1.9Y
Dec 01, 2014 DIST-A 70 70 2.06 1.9Y
Nov 01, 2014 DIST-A 73 74 2.06 1.9Y
Oct 01, 2014 DIST-A 70 70 2.0 2.0Y
Sep 01, 2014 DIST-A 70 72 1.84 1.9Y
Aug 01, 2014 DIST-A 70 70 1.9 1.9Y
Jul 01, 2014 DIST-A 70 70 1.79 1.8Y
Jun 01, 2014 DIST-A 70 70 1.8 1.8Y
May 01, 2014 DIST-A 70 69 1.8 1.8Y
Apr 01, 2014 DIST-A 70 70 1.79 1.8Y
Mar 01, 2014 DIST-A 70 70 1.84 1.7Y
Feb 01, 2014 DIST-A 70 70 1.92 1.7Y
Jan 01, 2014 DIST-A 70 70 2.12 1.7Y
Dec 01, 2013 DIST-A 70 70 2.2 1.6Y
Nov 01, 2013 DIST-A 70 70 2.42 1.6Y
Oct 01, 2013 DIST-A 70 70 1.9 1.5Y
Sep 01, 2013 DIST-A 70 70 1.30 1.4Y
Aug 01, 2013 DIST-A 70 70 1.29 1.4Y
Jul 01, 2013 DIST-A 70 70 1.36 1.4Y
Jun 01, 2013 DIST-A 70 70 1.5 1.4Y
May 01, 2013 DIST-A 70 70 1.5 1.4Y
Apr 01, 2013 DIST-A 70 70 1.6 1.4Y
Mar 01, 2013 DIST-A 70 70 1.56 1.4Y
Feb 01, 2013 DIST-A 60 60 1.53 1.4Y
Jan 01, 2013 DIST-A 63 64 1.52 1.4Y
Dec 01, 2012 DIST-A 60 60 1.36 1.3Y
Nov 01, 2012 DIST-A 60 61 1.17 1.3Y
Oct 01, 2012 DIST-A 60 64 1.18 1.3Y
Sep 01, 2012 DIST-A 60 60 1.25 1.4Y
Aug 01, 2012 DIST-A 60 60 1.29 1.4Y
Jul 01, 2012 DIST-A 60 60 1.41 1.4Y
Jun 01, 2012 DIST-A 60 60 1.32 1.3Y
May 01, 2012 DIST-A 60 60 1.49 1.3Y
Apr 01, 2012 DIST-A 60 60 1.45 1.3Y
Mar 01, 2012 DIST-A 60 60 1.44 1.3Y
Feb 01, 2012 DIST-A 60 60 1.44 1.3Y
Jan 01, 2012 DIST-A 60 60 1.29 1.3Y
Dec 01, 2011 DIST-A 60 60 1.3 1.4Y
Nov 01, 2011 DIST-A 60 60 1.29 1.4Y
Oct 01, 2011 DIST-A 63 63 1.3 1.3Y
Sep 01, 2011 DIST-A 60 60 1.31 1.3Y
Aug 01, 2011 DIST-A 60 60 1.3 1.3Y
Jul 01, 2011 DIST-A 60 60 1.27 1.3Y
Jun 01, 2011 DIST-A 60 60 1.3 1.3Y
May 01, 2011 DIST-A 60 60 1.5 1.3Y
Apr 01, 2011 DIST-A 60 60 1.46 1.3Y
Mar 01, 2011 DIST-A 60 60 1.42 1.3Y
Feb 01, 2011 DIST-A 60 60 1.4 1.3Y
Jan 01, 2011 DIST-A 60 60 1.41 1.3Y
Dec 01, 2010 DIST-A 60 60 1.4 1.2Y
Nov 01, 2010 DIST-A 60 60 1.00 1.3Y
Oct 01, 2010 DIST-A 60 60 1.12 1.3Y
Sep 01, 2010 DIST-A 63 63 1.1 1.3Y
Aug 01, 2010 DIST-A 60 60 1.15 1.3Y
Jul 01, 2010 DIST-A 60 60 1.23 1.3Y
Jun 01, 2010 DIST-A 60 60 1.35 1.3Y
May 01, 2010 DIST-A 60 60 1.30 1.3Y
Apr 01, 2010 DIST-A 60 45 1.45 1.3Y
Mar 01, 2010 DIST-A 60 60 1.4 1.3Y
Feb 01, 2010 DIST-A 60 60 1.47 1.3Y
Jan 01, 2010 DIST-A 63 63 1 1.3Y
Dec 01, 2009 DIST-A 60 60 1.50 1.3Y
Nov 01, 2009 DIST-A 60 60 1.20 1.3Y
Oct 01, 2009 DIST-A 63 64 1.2 1.3Y
Sep 01, 2009 DIST-A 60 60 1.20 1.3Y
Aug 01, 2009 DIST-A 60 60 1.22 1.3Y
Jul 01, 2009 DIST-A 60 60 1.28 1.3Y
Jun 01, 2009 DIST-A 60 60 1.33 1.3Y
May 01, 2009 DIST-A 60 60 1.5 1.3Y
Apr 01, 2009 DIST-A 60 60 1.56 1.3Y
Mar 01, 2009 DIST-A 60 60 1.54 1.3Y
Feb 01, 2009 DIST-A 60 60 1.49 1.3Y
Jan 01, 2009 DIST-A 60 60 1.14 1.3Y
Dec 01, 2008 DIST-A 60 60 0.92 1.3Y
Nov 01, 2008 DIST-A 60 60 1.24 1.3Y
Oct 01, 2008 DIST-A 60 60 1.3 1.3Y
Sep 01, 2008 DIST-A 60 60 1.24 1.3Y
Aug 01, 2008 DIST-A 60 60 1.2 1.3Y
Jul 01, 2008 DIST-A 63 63 1.3 1.3Y
Jun 01, 2008 DIST-A 63 63 1.4 1.3Y
May 01, 2008 DIST-A 60 60 1.42 1.3Y
Apr 01, 2008 DIST-A 60 60 1.4 1.3Y
Mar 01, 2008 DIST-A 60 60 1.4 1.3Y
Feb 01, 2008 DIST-A 60 60 1.4 1.3Y
Jan 01, 2008 DIST-A 60 42 1.4 1.3Y
Dec 01, 2007 DIST-A 60 60 1 1.3Y
Nov 01, 2007 DIST-A 60 60 1.1 1.4Y
Oct 01, 2007 DIST-A 60 60 1.2 1.4Y
Sep 01, 2007 DIST-A 60 60 1.2 1.5Y
Aug 01, 2007 DIST-A 60 60 1.2 1.5Y
Jul 01, 2007 DIST-A 60 60 1.3 1.5Y
Jun 01, 2007 DIST-A 60 60 1.4 1.6Y
May 01, 2007 DIST-A 60 60 1.5 1.6Y
Apr 01, 2007 DIST-A 60 60 1.6 1.6Y
Mar 01, 2007 DIST-A 60 60 1.6 1.6Y
Feb 01, 2007 DIST-A 60 60 1.6 1.6Y
Jan 01, 2007 DIST-A 60 78 1.5 1.6Y
Dec 01, 2006 DIST-A 60 60 1.6 1.6Y
Nov 01, 2006 DIST-A 60 60 1.5 1.7Y
Oct 01, 2006 DIST-A 60 60 1.5 1.7Y
Sep 01, 2006 DIST-A 60 60 1.41 1.7Y
Aug 01, 2006 DIST-A 60 60 1.7 1.8Y
Jul 01, 2006 DIST-A 60 60 1.82 1.8Y
Jun 01, 2006 DIST-A 60 60 1.65 1.8Y
May 01, 2006 DIST-A 60 60 1.68 1.8Y
Apr 01, 2006 DIST-A 60 60 1.65 1.8Y
Mar 01, 2006 DIST-A 60 60 1.7 1.8Y
Feb 01, 2006 DIST-A 60 60 1.7 1.8Y
Jan 01, 2006 DIST-A 60 60 1.75 1.8Y
Dec 01, 2005 DIST-A 60 60 1.87 1.9Y
Nov 01, 2005 DIST-A 60 60 1.82 1.8Y
Oct 01, 2005 DIST-A 60 60 2 1.8Y
Sep 01, 2005 DIST-A 60 60 1.89 1.8Y
Aug 01, 2005 DIST-A 60 60 1.95 1.7Y
Jul 01, 2005 DIST-A 60 60 1.95 1.7Y
Jun 01, 2005 DIST-A 60 60 1.85 1.7Y
May 01, 2005 DIST-A 60 60 1.76 1.7Y
Apr 01, 2005 DIST-A 60 60 1.93 1.7Y
Mar 01, 2005 DIST-A 60 60 1.7 1.7Y
Feb 01, 2005 DIST-A 60 60 1.68 1.6Y
Jan 01, 2005 DIST-A 63 63 2.1 1.6Y
Dec 01, 2004 DIST-A 60 60 1.49 1.6Y
Nov 01, 2004 DIST-A 60 60 1.43 1.6Y
Oct 01, 2004 DIST-A 60 60 1.40 1.6Y
Sep 01, 2004 DIST-A 60 60 1.41 1.7Y
 



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