OHA Drinking Water Services
OR41
PWS ID: 00893 ---- TILLAMOOK WATER DEPT, 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
Apr 01, 2025 DIST-A 6 6 0.75 0.7Y
Mar 01, 2025 DIST-A 6 6 1 0.7Y
Feb 01, 2025 DIST-A 6 6 0.6 0.7Y
Jan 01, 2025 DIST-A 6 6 0.6 0.7Y
Dec 01, 2024 DIST-A 6 6 0.56 0.7Y
Nov 01, 2024 DIST-A 6 6 0.65 0.7Y
Oct 01, 2024 DIST-A 6 6 0.71 0.7Y
Sep 01, 2024 DIST-A 6 6 0.83 0.7Y
Aug 01, 2024 DIST-A 6 6 0.65 0.7Y
Jul 01, 2024 DIST-A 6 6 0.64 0.7Y
Jun 01, 2024 DIST-A 6 6 0.61 0.7Y
May 01, 2024 DIST-A 6 6 0.73 0.7Y
Apr 01, 2024 DIST-A 6 6 0.67 0.8Y
Mar 01, 2024 DIST-A 6 6 0.6 0.8Y
Feb 01, 2024 DIST-A 6 6 0.7 0.8Y
Jan 01, 2024 DIST-A 6 6 0.72 0.8Y
Dec 01, 2023 DIST-A 6 6 0.7 0.8Y
Nov 01, 2023 DIST-A 6 6 0.74 0.8Y
Oct 01, 2023 DIST-A 9 9 0.7 0.8Y
Sep 01, 2023 DIST-A 6 6 0.9 0.8Y
Aug 01, 2023 DIST-A 6 6 0.7 0.7Y
Jul 01, 2023 DIST-A 6 6 0.9 0.7Y
Jun 01, 2023 DIST-A 6 6 0.81 0.7Y
May 01, 2023 DIST-A 6 6 0.91 0.7Y
Apr 01, 2023 DIST-A 6 6 0.77 0.7Y
Mar 01, 2023 DIST-A 6 6 0.6 0.7Y
Feb 01, 2023 DIST-A 6 6 0.66 0.8Y
Jan 01, 2023 DIST-A 6 6 0.7 0.8Y
Dec 01, 2022 DIST-A 6 6 0.7 0.8Y
Nov 01, 2022 DIST-A 6 6 0.9 0.8Y
Oct 01, 2022 DIST-A 6 6 0.7 0.8Y
Sep 01, 2022 DIST-A 6 6 0.6 0.8Y
Aug 01, 2022 DIST-A 6 6 0.7 0.8Y
Jul 01, 2022 DIST-A 6 6 0.8 0.8Y
Jun 01, 2022 DIST-A 6 6 0.94 0.8Y
May 01, 2022 DIST-A 6 6 0.90 0.8Y
Apr 01, 2022 DIST-A 6 6 0.77 0.7Y
Mar 01, 2022 DIST-A 6 6 0.8 0.7Y
Feb 01, 2022 DIST-A 6 6 0.67 0.7Y
Jan 01, 2022 DIST-A 6 6 0.8 0.7Y
Dec 01, 2021 DIST-A 6 6 0.7 0.7Y
Nov 01, 2021 DIST-A 6 6 0.8 0.7Y
Oct 01, 2021 DIST-A 6 6 0.75 0.7Y
Sep 01, 2021 DIST-A 6 6 0.7 0.7Y
Aug 01, 2021 DIST-A 6 6 0.8 0.7Y
Jul 01, 2021 DIST-A 6 6 0.73 0.7Y
Jun 01, 2021 DIST-A 6 6 0.7 0.7Y
May 01, 2021 DIST-A 6 6 0.6 0.7Y
Apr 01, 2021 DIST-A 5 6 0.6 0.7Y
Mar 01, 2021 DIST-A 5 6 0.81 0.7Y
Feb 01, 2021 DIST-A 5 5 0.7 0.7Y
Jan 01, 2021 DIST-A 5 6 0.8 0.7Y
Dec 01, 2020 DIST-A 5 6 0.65 0.7Y
Nov 01, 2020 DIST-A 5 6 0.7 0.7Y
Oct 01, 2020 DIST-A 5 6 0.6 0.7Y
Sep 01, 2020 DIST-A 5 6 0.5 0.7Y
Aug 01, 2020 DIST-A 5 6 0.8 0.7Y
Jul 01, 2020 DIST-A 5 6 0.92 0.7Y
Jun 01, 2020 DIST-A 5 6 0.84 0.7Y
May 01, 2020 DIST-A 5 6 0.83 0.6Y
Apr 01, 2020 DIST-A 5 6 0.7 0.6Y
Mar 01, 2020 DIST-A 5 6 0.77 0.6Y
Feb 01, 2020 DIST-A 5 6 0.7 0.6Y
Jan 01, 2020 DIST-A 5 6 0.7 0.7Y
Dec 01, 2019 DIST-A 5 6 0.66 0.7Y
Nov 01, 2019 DIST-A 5 6 0.7 0.7Y
Oct 01, 2019 DIST-A 5 6 0.5 0.7Y
Sep 01, 2019 DIST-A 5 6 0.49 0.7Y
Aug 01, 2019 DIST-A 5 6 0.6 0.7Y
Jul 01, 2019 DIST-A 5 6 0.5 0.7Y
Jun 01, 2019 DIST-A 5 6 0.62 0.7Y
May 01, 2019 DIST-A 5 6 0.60 0.7Y
Apr 01, 2019 DIST-A 5 6 0.8 0.8Y
Mar 01, 2019 DIST-A 5 6 0.9 0.8Y
Feb 01, 2019 DIST-A 5 6 0.83 0.7Y
Jan 01, 2019 DIST-A 5 6 0.8 0.7Y
Dec 01, 2018 DIST-A 5 6 0.81 0.7Y
Nov 01, 2018 DIST-A 5 6 0.91 0.7Y
Oct 01, 2018 DIST-A 5 6 0.53 0.7Y
Sep 01, 2018 DIST-A 5 6 0.7 0.7Y
Aug 01, 2018 DIST-A 5 6 0.50 0.7Y
Jul 01, 2018 DIST-A 5 6 0.74 0.7Y
Jun 01, 2018 DIST-A 5 6 0.71 0.7Y
May 01, 2018 DIST-A 5 6 0.91 0.7Y
Apr 01, 2018 DIST-A 5 6 0.7 0.7Y
Mar 01, 2018 DIST-A 5 6 0.8 0.7Y
Feb 01, 2018 DIST-A 5 6 0.7 0.7Y
Jan 01, 2018 DIST-A 5 6 0.51 0.7Y
Dec 01, 2017 DIST-A 5 6 0.7 0.7Y
Nov 01, 2017 DIST-A 5 6 0.5 0.7Y
Oct 01, 2017 DIST-A 5 6 0.60 0.7Y
Sep 01, 2017 DIST-A 5 6 0.61 0.7Y
Aug 01, 2017 DIST-A 5 6 0.52 0.7Y
Jul 01, 2017 DIST-A 5 6 0.8 0.7Y
Jun 01, 2017 DIST-A 5 6 0.87 0.7Y
May 01, 2017 DIST-A 5 6 0.74 0.7Y
Apr 01, 2017 DIST-A 5 6 1.00 0.7Y
Mar 01, 2017 DIST-A 5 6 0.61 0.6Y
Feb 01, 2017 DIST-A 5 6 0.72 0.6Y
Jan 01, 2017 DIST-A 5 6 0.62 0.6Y
Dec 01, 2016 DIST-A 5 6 0.62 0.6Y
Nov 01, 2016 DIST-A 5 6 0.61 0.6Y
Oct 01, 2016 DIST-A 5 6 0.6 0.6Y
Sep 01, 2016 DIST-A 5 6 0.66 0.6Y
Aug 01, 2016 DIST-A 5 6 0.62 0.6Y
Jul 01, 2016 DIST-A 5 6 0.6 0.6Y
Jun 01, 2016 DIST-A 5 6 0.51 0.6Y
May 01, 2016 DIST-A 5 6 0.69 0.6Y
Apr 01, 2016 DIST-A 5 6 0.49 0.6Y
Mar 01, 2016 DIST-A 5 6 0.6 0.7Y
Feb 01, 2016 DIST-A 5 6 0.7 0.7Y
Jan 01, 2016 DIST-A 5 6 0.75 0.7Y
Dec 01, 2015 DIST-A 5 6 0.80 0.7Y
Nov 01, 2015 DIST-A 5 6 0.66 0.7Y
Oct 01, 2015 DIST-A 5 6 0.5 0.7Y
Sep 01, 2015 DIST-A 5 6 0.4 0.7Y
Aug 01, 2015 DIST-A 5 6 0.83 0.7Y
Jul 01, 2015 DIST-A 5 6 0.71 0.7Y
Jun 01, 2015 DIST-A 5 6 0.57 0.7Y
May 01, 2015 DIST-A 5 6 0.6 0.7Y
Apr 01, 2015 DIST-A 5 6 0.8 0.7Y
Mar 01, 2015 DIST-A 5 6 0.64 0.7Y
Feb 01, 2015 DIST-A 5 6 0.84 0.7Y
Jan 01, 2015 DIST-A 5 6 0.8 0.7Y
Dec 01, 2014 DIST-A 5 6 1 0.7Y
Nov 01, 2014 DIST-A 5 6 0.67 0.7Y
Oct 01, 2014 DIST-A 5 6 0.7 0.7Y
Sep 01, 2014 DIST-A 5 6 0.65 0.7Y
Aug 01, 2014 DIST-A 5 6 0.4 0.7Y
Jul 01, 2014 DIST-A 5 7 0.7 0.7Y
Jun 01, 2014 DIST-A 5 6 0.64 0.7Y
May 01, 2014 DIST-A 5 6 0.8 0.7Y
Apr 01, 2014 DIST-A 5 6 0.8 0.7Y
Mar 01, 2014 DIST-A 5 6 0.79 0.7Y
Feb 01, 2014 DIST-A 5 6 0.8 0.7Y
Jan 01, 2014 DIST-A 5 6 0.62 0.7Y
Dec 01, 2013 DIST-A 5 6 0.78 0.6Y
Nov 01, 2013 DIST-A 5 6 0.6 0.6Y
Oct 01, 2013 DIST-A 5 6 0.43 0.6Y
Sep 01, 2013 DIST-A 5 6 0.70 0.6Y
Aug 01, 2013 DIST-A 5 6 0.75 0.6Y
Jul 01, 2013 DIST-A 5 6 0.8 0.6Y
Jun 01, 2013 DIST-A 5 6 0.6 0.6Y
May 01, 2013 DIST-A 5 6 0.65 0.6Y
Apr 01, 2013 DIST-A 5 6 0.51 0.6Y
Mar 01, 2013 DIST-A 5 6 0.72 0.6Y
Feb 01, 2013 DIST-A 5 5 0.69 0.6Y
Jan 01, 2013 DIST-A 5 6 0.54 0.6Y
Dec 01, 2012 DIST-A 5 6 0.6 0.6Y
Nov 01, 2012 DIST-A 5 6 0.7 0.6Y
Oct 01, 2012 DIST-A 5 6 0.34 0.6Y
Sep 01, 2012 DIST-A 5 6 0.52 0.6Y
Aug 01, 2012 DIST-A 5 6 0.61 0.6Y
Jul 01, 2012 DIST-A 5 5 0.53 0.6Y
Jun 01, 2012 DIST-A 5 6 0.5 0.6Y
May 01, 2012 DIST-A 5 6 0.5 0.6Y
Apr 01, 2012 DIST-A 5 6 0.8 0.6Y
Mar 01, 2012 DIST-A 5 6 0.57 0.6Y
Feb 01, 2012 DIST-A 5 6 0.81 0.6Y
Jan 01, 2012 DIST-A 5 6 0.71 0.6Y
Dec 01, 2011 DIST-A 5 6 0.55 0.6Y
Nov 01, 2011 DIST-A 5 6 0.64 0.6Y
Oct 01, 2011 DIST-A 5 10 0.5850 0.6Y
Sep 01, 2011 DIST-A 5 6 0.6100 0.6Y
Aug 01, 2011 DIST-A 5 6 0.6233 0.7Y
Jul 01, 2011 DIST-A 5 6 0.5250 0.6Y
Jun 01, 2011 DIST-A 5 6 0.4 0.7Y
May 01, 2011 DIST-A 5 6 0.6033 0.7Y
Apr 01, 2011 DIST-A 5 6 0.5567 0.7Y
Mar 01, 2011 DIST-A 5 6 0.5933 0.7Y
Feb 01, 2011 DIST-A 5 6 0.7433 0.7Y
Jan 01, 2011 DIST-A 5 6 0.8 0.6Y
Dec 01, 2010 DIST-A 5 6 0.79 0.6Y
Nov 01, 2010 DIST-A 5 6 0.9 0.6Y
Oct 01, 2010 DIST-A 5 6 0.6 0.6Y
Sep 01, 2010 DIST-A 5 6 0.70 0.6Y
Aug 01, 2010 DIST-A 5 6 0.56 0.6Y
Jul 01, 2010 DIST-A 5 6 0.57 0.6Y
Jun 01, 2010 DIST-A 5 7 0.6 0.6Y
May 01, 2010 DIST-A 5 6 0.71 0.6Y
Apr 01, 2010 DIST-A 5 6 0.61 0.6Y
Mar 01, 2010 DIST-A 5 6 0.7 0.6Y
Feb 01, 2010 DIST-A 5 5 0 0.6Y
Jan 01, 2010 DIST-A 5 6 0.77 0.6Y
Dec 01, 2009 DIST-A 5 6 0.69 0.6Y
Nov 01, 2009 DIST-A 5 6 0.42 0.6Y
Oct 01, 2009 DIST-A 5 8 0.65 0.5Y
Sep 01, 2009 DIST-A 5 7 0.75 0.5Y
Aug 01, 2009 DIST-A 5 8 0.59 0.5Y
Jul 01, 2009 DIST-A 5 6 0.61 0.5Y
Jun 01, 2009 DIST-A 5 8 0.53 0.5Y
May 01, 2009 DIST-A 5 7 0.67 0.4Y
Apr 01, 2009 DIST-A 5 7 0.53 0.4Y
Mar 01, 2009 DIST-A 5 6 0.78 0.4Y
Feb 01, 2009 DIST-A 5 6 0.7 0.4Y
Jan 01, 2009 DIST-A 5 6 0.7 0.4Y
Dec 01, 2008 DIST-A 5 5 0.4Y
Nov 01, 2008 DIST-A 5 5 0.4Y
Oct 01, 2008 DIST-A 5 5 0.5Y
Sep 01, 2008 DIST-A 5 6 0.6 0.5Y
Aug 01, 2008 DIST-A 5 6 0.69 0.5Y
Jul 01, 2008 DIST-A 5 6 0.5 0.5Y
Jun 01, 2008 DIST-A 5 5 0.5Y
May 01, 2008 DIST-A 5 5 0.6Y
Apr 01, 2008 DIST-A 5 6 0.8 0.6Y
Mar 01, 2008 DIST-A 5 6 0.6 0.6Y
Feb 01, 2008 DIST-A 5 6 0.58 0.6Y
Jan 01, 2008 DIST-A 5 6 0.52 0.6Y
Dec 01, 2007 DIST-A 5 6 0.95 0.6Y
Nov 01, 2007 DIST-A 5 6 0.52 0.6Y
Oct 01, 2007 DIST-A 5 6 0.6 0.6Y
Sep 01, 2007 DIST-A 5 7 0.5 0.6Y
Aug 01, 2007 DIST-A 5 6 0.7 0.6Y
Jul 01, 2007 DIST-A 5 6 0.61 0.6Y
Jun 01, 2007 DIST-A 5 6 0.6 0.6Y
May 01, 2007 DIST-A 5 5 0.7 0.6Y
Apr 01, 2007 DIST-A 5 6 0.7 0.6Y
Mar 01, 2007 DIST-A 5 6 0.52 0.6Y
Feb 01, 2007 DIST-A 5 6 0.55 0.6Y
Jan 01, 2007 DIST-A 5 6 0.63 0.6Y
Dec 01, 2006 DIST-A 5 6 0.7 0.6Y
Nov 01, 2006 DIST-A 5 7 0.5 0.6Y
Oct 01, 2006 DIST-A 5 6 0.47 0.6Y
Sep 01, 2006 DIST-A 5 4 0.47 0.6Y
Aug 01, 2006 DIST-A 5 6 0.62 0.6Y
Jul 01, 2006 DIST-A 5 6 0.63 0.6Y
Jun 01, 2006 DIST-A 5 6 0.51 0.6Y
May 01, 2006 DIST-A 5 6 0.75 0.6Y
Apr 01, 2006 DIST-A 5 11 0.69 0.6Y
Mar 01, 2006 DIST-A 5 6 0.57 0.6Y
Feb 01, 2006 DIST-A 5 6 0.79 0.6Y
Jan 01, 2006 DIST-A 5 6 0.58 0.5Y
Dec 01, 2005 DIST-A 5 6 0.59 0.5Y
Nov 01, 2005 DIST-A 5 6 0.52 0.5Y
Oct 01, 2005 DIST-A 5 8 0.42 0.5Y
Sep 01, 2005 DIST-A 5 6 0.61 0.5Y
Aug 01, 2005 DIST-A 5 7 0.44 0.5Y
Jul 01, 2005 DIST-A 5 6 0.45 0.5Y
Jun 01, 2005 DIST-A 5 6 0.49 0.5Y
May 01, 2005 DIST-A 5 6 0.7 0.5Y
Apr 01, 2005 DIST-A 4 6 0.56 0.5Y
Mar 01, 2005 DIST-A 4 6 0.51 0.5Y
Feb 01, 2005 DIST-A 4 6 0.6 0.5Y
Jan 01, 2005 DIST-A 4 4 0.5Y
Dec 01, 2004 DIST-A 4 6 0.55 0.5Y
Nov 01, 2004 DIST-A 4 6 0.55 0.5Y
Oct 01, 2004 DIST-A 4 6 0.58 0.5Y
Sep 01, 2004 DIST-A 4 6 0.52 0.5Y
 



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