OHA Drinking Water Services
OR41
PWS ID: 00236 ---- COTTAGE GROVE, 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 10 16 0.65 0.5Y
Mar 01, 2025 DIST-A 10 20 0.7 0.5Y
Feb 01, 2025 DIST-A 10 16 0.67 0.5Y
Jan 01, 2025 DIST-A 10 16 0.58 0.5Y
Dec 01, 2024 DIST-A 10 12 0.5 0.5Y
Nov 01, 2024 DIST-A 10 16 0.4 0.5Y
Oct 01, 2024 DIST-A 10 16 0.5 0.5Y
Sep 01, 2024 DIST-A 10 20 0.47 0.5Y
Aug 01, 2024 DIST-A 10 16 0.5 0.5Y
Jul 01, 2024 DIST-A 10 20 0.53 0.6Y
Jun 01, 2024 DIST-A 10 16 0.56 0.6Y
May 01, 2024 DIST-A 10 12 0.53 0.6Y
Apr 01, 2024 DIST-A 10 20 0.57 0.6Y
Mar 01, 2024 DIST-A 10 16 0.6 0.6Y
Feb 01, 2024 DIST-A 10 16 0.58 0.6Y
Jan 01, 2024 DIST-A 10 20 0.61 0.6Y
Dec 01, 2023 DIST-A 10 12 0.49 0.6Y
Nov 01, 2023 DIST-A 10 16 0.47 0.6Y
Oct 01, 2023 DIST-A 10 20 0.51 0.6Y
Sep 01, 2023 DIST-A 10 16 0.57 0.6Y
Aug 01, 2023 DIST-A 10 16 0.6 0.6Y
Jul 01, 2023 DIST-A 10 20 0.58 0.6Y
Jun 01, 2023 DIST-A 10 16 0.63 0.6Y
May 01, 2023 DIST-A 10 20 0.6 0.6Y
Apr 01, 2023 DIST-A 10 16 0.7 0.6Y
Mar 01, 2023 DIST-A 10 16 0.67 0.6Y
Feb 01, 2023 DIST-A 10 16 0.7 0.6Y
Jan 01, 2023 DIST-A 10 20 0.62 0.6Y
Dec 01, 2022 DIST-A 10 15 0.57 0.6Y
Nov 01, 2022 DIST-A 10 16 0.53 0.6Y
Oct 01, 2022 DIST-A 10 20 0.48 0.6Y
Sep 01, 2022 DIST-A 10 16 0.61 0.6Y
Aug 01, 2022 DIST-A 10 20 0.53 0.6Y
Jul 01, 2022 DIST-A 10 16 0.59 0.6Y
Jun 01, 2022 DIST-A 10 16 0.58 0.6Y
May 01, 2022 DIST-A 10 20 0.58 0.6Y
Apr 01, 2022 DIST-A 10 16 0.6 0.6Y
Mar 01, 2022 DIST-A 10 16 0.7 0.6Y
Feb 01, 2022 DIST-A 10 16 0.68 0.6Y
Jan 01, 2022 DIST-A 10 16 0.64 0.6Y
Dec 01, 2021 DIST-A 10 16 0.5 0.6Y
Nov 01, 2021 DIST-A 10 20 0.5 0.6Y
Oct 01, 2021 DIST-A 10 16 0.46 0.6Y
Sep 01, 2021 DIST-A 10 16 0.5 0.6Y
Aug 01, 2021 DIST-A 10 20 0.56 0.6Y
Jul 01, 2021 DIST-A 10 16 0.5 0.6Y
Jun 01, 2021 DIST-A 10 16 0.6 0.6Y
May 01, 2021 DIST-A 10 20 0.6 0.6Y
Apr 01, 2021 DIST-A 10 16 0.6 0.6Y
Mar 01, 2021 DIST-A 10 20 0.6 0.6Y
Feb 01, 2021 DIST-A 10 16 0.64 0.6Y
Jan 01, 2021 DIST-A 10 16 0.6 0.6Y
Dec 01, 2020 DIST-A 10 16 0.6 0.5Y
Nov 01, 2020 DIST-A 10 20 0.53 0.5Y
Oct 01, 2020 DIST-A 10 16 0.47 0.5Y
Sep 01, 2020 DIST-A 10 16 0.54 0.5Y
Aug 01, 2020 DIST-A 10 20 0.55 0.5Y
Jul 01, 2020 DIST-A 10 16 0.52 0.5Y
Jun 01, 2020 DIST-A 10 16 0.5 0.5Y
May 01, 2020 DIST-A 10 16 0.57 0.5Y
Apr 01, 2020 DIST-A 10 16 0.58 0.5Y
Mar 01, 2020 DIST-A 10 20 0.61 0.5Y
Feb 01, 2020 DIST-A 10 16 0.62 0.5Y
Jan 01, 2020 DIST-A 10 12 0.5 0.5Y
Dec 01, 2019 DIST-A 10 12 0.5 0.5Y
Nov 01, 2019 DIST-A 10 16 0.42 0.5Y
Oct 01, 2019 DIST-A 10 16 0.5 0.5Y
Sep 01, 2019 DIST-A 10 20 0.45 0.5Y
Aug 01, 2019 DIST-A 10 16 0.47 0.5Y
Jul 01, 2019 DIST-A 10 20 0.49 0.5Y
Jun 01, 2019 DIST-A 10 16 0.52 0.5Y
May 01, 2019 DIST-A 10 16 0.6 0.5Y
Apr 01, 2019 DIST-A 10 20 0.58 0.5Y
Mar 01, 2019 DIST-A 10 15 0.6 0.5Y
Feb 01, 2019 DIST-A 10 12 0.55 0.5Y
Jan 01, 2019 DIST-A 10 16 0.6 0.6Y
Dec 01, 2018 DIST-A 10 12 0.50 0.6Y
Nov 01, 2018 DIST-A 10 16 0.42 0.6Y
Oct 01, 2018 DIST-A 10 20 0.5 0.6Y
Sep 01, 2018 DIST-A 10 16 0.5 0.6Y
Aug 01, 2018 DIST-A 10 16 0.5 0.6Y
Jul 01, 2018 DIST-A 10 20 0.55 0.6Y
Jun 01, 2018 DIST-A 10 16 0.5 0.6Y
May 01, 2018 DIST-A 10 16 0.57 0.6Y
Apr 01, 2018 DIST-A 10 20 0.6 0.6Y
Mar 01, 2018 DIST-A 10 16 0.69 0.6Y
Feb 01, 2018 DIST-A 10 16 0.69 0.6Y
Jan 01, 2018 DIST-A 10 19 0.70 0.6Y
Dec 01, 2017 DIST-A 10 16 0.66 0.6Y
Nov 01, 2017 DIST-A 10 16 0.5 0.6Y
Oct 01, 2017 DIST-A 10 19 0.40 0.6Y
Sep 01, 2017 DIST-A 10 15 0.47 0.6Y
Aug 01, 2017 DIST-A 10 16 0.5 0.6Y
Jul 01, 2017 DIST-A 10 20 0.53 0.6Y
Jun 01, 2017 DIST-A 10 16 0.6 0.6Y
May 01, 2017 DIST-A 10 20 0.6 0.5Y
Apr 01, 2017 DIST-A 10 16 0.6 0.5Y
Mar 01, 2017 DIST-A 10 16 0.6 0.5Y
Feb 01, 2017 DIST-A 10 16 0.6 0.5Y
Jan 01, 2017 DIST-A 10 20 0.7 0.5Y
Dec 01, 2016 DIST-A 10 16 0.6 0.5Y
Nov 01, 2016 DIST-A 10 16 0.46 0.5Y
Oct 01, 2016 DIST-A 10 20 0.4 0.5Y
Sep 01, 2016 DIST-A 10 16 0.5 0.5Y
Aug 01, 2016 DIST-A 10 20 0.5 0.5Y
Jul 01, 2016 DIST-A 10 16 0.5 0.5Y
Jun 01, 2016 DIST-A 10 16 0.5 0.5Y
May 01, 2016 DIST-A 10 20 0.5 0.5Y
Apr 01, 2016 DIST-A 10 16 0.6 0.5Y
Mar 01, 2016 DIST-A 10 16 0.6 0.5Y
Feb 01, 2016 DIST-A 10 20 0.6 0.5Y
Jan 01, 2016 DIST-A 10 15 0.7 0.5Y
Dec 01, 2015 DIST-A 10 16 0.6 0.5Y
Nov 01, 2015 DIST-A 10 20 0.4 0.5Y
Oct 01, 2015 DIST-A 10 16 0.4 0.5Y
Sep 01, 2015 DIST-A 10 16 0.4 0.5Y
Aug 01, 2015 DIST-A 10 20 0.5 0.5Y
Jul 01, 2015 DIST-A 10 16 0.6 0.5Y
Jun 01, 2015 DIST-A 10 20 0.5 0.5Y
May 01, 2015 DIST-A 10 16 0.43 0.5Y
Apr 01, 2015 DIST-A 10 16 0.49 0.5Y
Mar 01, 2015 DIST-A 10 19 0.5 0.5Y
Feb 01, 2015 DIST-A 10 16 0.6 0.5Y
Jan 01, 2015 DIST-A 10 16 0.6 0.5Y
Dec 01, 2014 DIST-A 10 20 0.5 0.5Y
Nov 01, 2014 DIST-A 10 15 0.5 0.5Y
Oct 01, 2014 DIST-A 10 16 0.32 0.5Y
Sep 01, 2014 DIST-A 10 20 0.4 0.5Y
Aug 01, 2014 DIST-A 10 16 0.5 0.5Y
Jul 01, 2014 DIST-A 10 16 0.5 0.6Y
Jun 01, 2014 DIST-A 10 20 0.5 0.6Y
May 01, 2014 DIST-A 10 16 0.6 0.6Y
Apr 01, 2014 DIST-A 10 16 0.6 0.5Y
Mar 01, 2014 DIST-A 10 20 0.6 0.5Y
Feb 01, 2014 DIST-A 10 16 0.6 0.5Y
Jan 01, 2014 DIST-A 10 16 0.6 0.5Y
Dec 01, 2013 DIST-A 10 20 0.6 0.5Y
Nov 01, 2013 DIST-A 10 16 0.50 0.5Y
Oct 01, 2013 DIST-A 10 15 0.5 0.5Y
Sep 01, 2013 DIST-A 10 20 0.4 0.5Y
Aug 01, 2013 DIST-A 10 16 0.6 0.6Y
Jul 01, 2013 DIST-A 10 20 0.5 0.5Y
Jun 01, 2013 DIST-A 10 16 0.5 0.6Y
May 01, 2013 DIST-A 10 16 0.52 0.6Y
Apr 01, 2013 DIST-A 10 20 0.5 0.6Y
Mar 01, 2013 DIST-A 10 16 0.58 0.6Y
Feb 01, 2013 DIST-A 10 16 0.6 0.6Y
Jan 01, 2013 DIST-A 10 16 0.7 0.6Y
Dec 01, 2012 DIST-A 10 5 0.6 0.6Y
Nov 01, 2012 DIST-A 13 7 0.4 0.5Y
Oct 01, 2012 DIST-A 10 0 0 0.5Y
Sep 01, 2012 DIST-A 10 0 0 0.5Y
Aug 01, 2012 DIST-A 10 0 0 0.5Y
Jul 01, 2012 DIST-A 10 0 0 0.5Y
Jun 01, 2012 DIST-A 10 0 0 0.5Y
May 01, 2012 DIST-A 10 0 0 0.5Y
Apr 01, 2012 DIST-A 10 4 0.6 0.5Y
Mar 01, 2012 DIST-A 10 16 0.62 0.5Y
Feb 01, 2012 DIST-A 10 16 0.60 0.5Y
Jan 01, 2012 DIST-A 10 20 0.54 0.5Y
Dec 01, 2011 DIST-A 10 15 0.48 0.5Y
Nov 01, 2011 DIST-A 10 16 0.45 0.5Y
Oct 01, 2011 DIST-A 10 17 0.48 0.5Y
Sep 01, 2011 DIST-A 10 15 0.44 0.5Y
Aug 01, 2011 DIST-A 10 19 0.48 0.5Y
Jul 01, 2011 DIST-A 10 16 0.48 0.5Y
Jun 01, 2011 DIST-A 10 16 0.50 0.5Y
May 01, 2011 DIST-A 10 20 0.46 0.5Y
Apr 01, 2011 DIST-A 10 12 0.5000 0.5Y
Mar 01, 2011 DIST-A 10 11 0.52 0.5Y
Feb 01, 2011 DIST-A 10 16 0.56 0.5Y
Jan 01, 2011 DIST-A 10 19 0.53 0.5Y
Dec 01, 2010 DIST-A 10 15 0.52 0.6Y
Nov 01, 2010 DIST-A 10 13 0.55 0.6Y
Oct 01, 2010 DIST-A 10 16 0.43 0.6Y
Sep 01, 2010 DIST-A 10 16 0.48 0.6Y
Aug 01, 2010 DIST-A 10 20 0.54 0.6Y
Jul 01, 2010 DIST-A 10 16 0.54 0.6Y
Jun 01, 2010 DIST-A 10 16 0.56 0.6Y
May 01, 2010 DIST-A 10 19 0.56 0.6Y
Apr 01, 2010 DIST-A 10 16 0.62 0.6Y
Mar 01, 2010 DIST-A 10 20 0.66 0.6Y
Feb 01, 2010 DIST-A 10 16 0.6 0.6Y
Jan 01, 2010 DIST-A 10 16 0.71 0.6Y
Dec 01, 2009 DIST-A 10 16 0.73 0.6Y
Nov 01, 2009 DIST-A 10 20 0.71 0.6Y
Oct 01, 2009 DIST-A 10 16 0.59 0.5Y
Sep 01, 2009 DIST-A 10 16 0.56 0.5Y
Aug 01, 2009 DIST-A 10 20 0.55 0.5Y
Jul 01, 2009 DIST-A 10 16 0.53 0.5Y
Jun 01, 2009 DIST-A 10 20 0.57 0.5Y
May 01, 2009 DIST-A 10 10 0.5Y
Apr 01, 2009 DIST-A 10 16 0.5450 0.6Y
Mar 01, 2009 DIST-A 10 20 0.6 0.6Y
Feb 01, 2009 DIST-A 10 15 0.6 0.6Y
Jan 01, 2009 DIST-A 10 16 0.69 0.6Y
Dec 01, 2008 DIST-A 10 16 0.76 0.6Y
Nov 01, 2008 DIST-A 10 16 0.59 0.6Y
Oct 01, 2008 DIST-A 10 16 0.37 0.6Y
Sep 01, 2008 DIST-A 10 20 0.53 0.6Y
Aug 01, 2008 DIST-A 10 16 0.52 0.6Y
Jul 01, 2008 DIST-A 10 16 0.46 0.6Y
Jun 01, 2008 DIST-A 10 20 0.57 0.6Y
May 01, 2008 DIST-A 10 16 0.70 0.6Y
Apr 01, 2008 DIST-A 10 16 0.67 0.6Y
Mar 01, 2008 DIST-A 10 20 0.57 0.6Y
Feb 01, 2008 DIST-A 10 17 0.65 0.6Y
Jan 01, 2008 DIST-A 10 20 0.72 0.7Y
Dec 01, 2007 DIST-A 10 16 0.64 0.7Y
Nov 01, 2007 DIST-A 10 16 0.58 0.7Y
Oct 01, 2007 DIST-A 10 20 0.55 0.7Y
Sep 01, 2007 DIST-A 10 16 0.59 0.7Y
Aug 01, 2007 DIST-A 10 16 0.61 0.6Y
Jul 01, 2007 DIST-A 10 20 0.54 0.6Y
Jun 01, 2007 DIST-A 10 16 0.66 0.6Y
May 01, 2007 DIST-A 10 16 0.65 0.6Y
Apr 01, 2007 DIST-A 10 20 0.77 0.6Y
Mar 01, 2007 DIST-A 0 16 0.77 0.6Y
Feb 01, 2007 DIST-A 10 16 0.76 0.6Y
Jan 01, 2007 DIST-A 10 20 0.77 0.6Y
Dec 01, 2006 DIST-A 0 16 0.72 0.6Y
Nov 01, 2006 DIST-A 0 16 0.44 0.6Y
Oct 01, 2006 DIST-A 1 20 0.56 0.6Y
Sep 01, 2006 DIST-A 10 16 0.48 0.6Y
Aug 01, 2006 DIST-A 10 16 0.52 0.6Y
Jul 01, 2006 DIST-A 10 20 0.46 0.6Y
Jun 01, 2006 DIST-A 10 16 0.51 0.6Y
May 01, 2006 DIST-A 10 20 0.54 0.6Y
Apr 01, 2006 DIST-A 10 16 0.63 0.6Y
Mar 01, 2006 DIST-A 10 16 0.60 0.5Y
Feb 01, 2006 DIST-A 10 16 0.66 0.5Y
Jan 01, 2006 DIST-A 10 20 0.59 0.5Y
Dec 01, 2005 DIST-A 10 16 0.67 0.5Y
Nov 01, 2005 DIST-A 10 12 0.59 0.5Y
Oct 01, 2005 DIST-A 10 20 0.45 0.5Y
Sep 01, 2005 DIST-A 10 16 0.51 0.6Y
Aug 01, 2005 DIST-A 10 20 0.51 0.6Y
Jul 01, 2005 DIST-A 10 16 0.45 0.6Y
Jun 01, 2005 DIST-A 10 16 0.45 0.6Y
May 01, 2005 DIST-A 10 20 0.50 0.6Y
Apr 01, 2005 DIST-A 10 16 0.56 0.6Y
Mar 01, 2005 DIST-A 10 16 0.49 0.6Y
Feb 01, 2005 DIST-A 10 16 0.55 0.6Y
Jan 01, 2005 DIST-A 10 20 0.64 0.7Y
Dec 01, 2004 DIST-A 10 16 0.62 0.7Y
Nov 01, 2004 DIST-A 10 20 0.67 0.7Y
Oct 01, 2004 DIST-A 10 16 0.80 0.7Y
Sep 01, 2004 DIST-A 10 16 0.55 0.6Y
 



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