OHA Drinking Water Services
OR41
PWS ID: 00453 ---- LA GRANDE, 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
Oct 01, 2024 DIST-A 15 15 0.14 0.1Y
Sep 01, 2024 DIST-A 15 15 0.11 0.1Y
Aug 01, 2024 DIST-A 15 15 0.04 0.1Y
Jul 01, 2024 DIST-A 15 15 0.09 0.1Y
Jun 01, 2024 DIST-A 15 15 0.09 0.1Y
May 01, 2024 DIST-A 15 15 0.02 0.1Y
Apr 01, 2024 DIST-A 15 15 0.1 0.1Y
Mar 01, 2024 DIST-A 18 18 0.1 0.1Y
Feb 01, 2024 DIST-A 15 15 0.1 0.1Y
Jan 01, 2024 DIST-A 15 15 0.06 0.1Y
Dec 01, 2023 DIST-A 15 15 0.03 0.1Y
Nov 01, 2023 DIST-A 15 15 0.02 0.1Y
Oct 01, 2023 DIST-A 15 15 0.03 0.1Y
Sep 01, 2023 DIST-A 15 15 0.23 0.1Y
Aug 01, 2023 DIST-A 15 15 0.06 0.1Y
Jul 01, 2023 DIST-A 15 15 0.05 0.1Y
Jun 01, 2023 DIST-A 15 16 0.14 0.1Y
May 01, 2023 DIST-A 15 15 0.1 0.1Y
Apr 01, 2023 DIST-A 15 15 0.21 0.1Y
Mar 01, 2023 DIST-A 15 15 0.2 0.1Y
Feb 01, 2023 DIST-A 15 15 0.13 0.1Y
Jan 01, 2023 DIST-A 15 15 0.12 0.1Y
Dec 01, 2022 DIST-A 15 15 0.06 0.1Y
Nov 01, 2022 DIST-A 15 15 0.08 0.1Y
Oct 01, 2022 DIST-A 15 15 0.06 0.1Y
Sep 01, 2022 DIST-A 15 15 0.1 0.1Y
Aug 01, 2022 DIST-A 15 15 0.11 0.1Y
Jul 01, 2022 DIST-A 15 15 0.2 0.1Y
Jun 01, 2022 DIST-A 15 15 0.15 0.1Y
May 01, 2022 DIST-A 18 17 0.1 0.1Y
Apr 01, 2022 DIST-A 15 15 0.2 0.1Y
Mar 01, 2022 DIST-A 15 15 0.2 0.1Y
Feb 01, 2022 DIST-A 15 15 0.1 0.1Y
Jan 01, 2022 DIST-A 15 15 0.1 0.1Y
Dec 01, 2021 DIST-A 15 15 0.07 0.1Y
Nov 01, 2021 DIST-A 15 15 0.08 0.1Y
Oct 01, 2021 DIST-A 15 15 0.04 0.1Y
Sep 01, 2021 DIST-A 15 15 0.2 0.1Y
Aug 01, 2021 DIST-A 15 16 0.1 0.1Y
Jul 01, 2021 DIST-A 15 15 0.06 0.1Y
Jun 01, 2021 DIST-A 15 15 0.1 0.1Y
May 01, 2021 DIST-A 15 16 0.1 0.1Y
Apr 01, 2021 DIST-A 15 15 0.16 0.1Y
Mar 01, 2021 DIST-A 15 15 0.2 0.1Y
Feb 01, 2021 DIST-A 15 15 0.1 0.1Y
Jan 01, 2021 DIST-A 15 15 0.1 0.1Y
Dec 01, 2020 DIST-A 15 15 0.1 0.1Y
Nov 01, 2020 DIST-A 15 15 0.10 0.1Y
Oct 01, 2020 DIST-A 15 15 0.1 0.1Y
Sep 01, 2020 DIST-A 15 15 0.13 0.1Y
Aug 01, 2020 DIST-A 15 15 0.1 0.1Y
Jul 01, 2020 DIST-A 15 15 0.10 0.1Y
Jun 01, 2020 DIST-A 15 10 0.28 0.1Y
May 01, 2020 DIST-A 15 15 0.06 0.1Y
Apr 01, 2020 DIST-A 15 15 0.1 0.1Y
Mar 01, 2020 DIST-A 15 15 0.09 0.1Y
Feb 01, 2020 DIST-A 15 15 0.05 0.1Y
Jan 01, 2020 DIST-A 15 15 0.05 0.1Y
Dec 01, 2019 DIST-A 15 15 0.15 0.1Y
Nov 01, 2019 DIST-A 15 15 0.08 0.1Y
Oct 01, 2019 DIST-A 15 15 0.17 0.1Y
Sep 01, 2019 DIST-A 15 15 0.08 0.1Y
Aug 01, 2019 DIST-A 15 15 0.09 0.1Y
Jul 01, 2019 DIST-A 15 15 0.1 0.2Y
Jun 01, 2019 DIST-A 15 15 0.04 0.2Y
May 01, 2019 DIST-A 15 15 0.14 0.2Y
Apr 01, 2019 DIST-A 15 15 0.05 0.2Y
Mar 01, 2019 DIST-A 15 15 0.07 0.2Y
Feb 01, 2019 DIST-A 15 15 0.06 0.2Y
Jan 01, 2019 DIST-A 15 15 0.06 0.2Y
Dec 01, 2018 DIST-A 15 15 0.55 0.2Y
Nov 01, 2018 DIST-A 15 15 0.08 0.2Y
Oct 01, 2018 DIST-A 15 15 0.27 0.2Y
Sep 01, 2018 DIST-A 15 15 0.26 0.2Y
Aug 01, 2018 DIST-A 15 15 0.14 0.2Y
Jul 01, 2018 DIST-A 15 15 0.21 0.2Y
Jun 01, 2018 DIST-A 15 15 0.13 0.2Y
May 01, 2018 DIST-A 15 15 0.12 0.1Y
Apr 01, 2018 DIST-A 15 15 0.2 0.2Y
Mar 01, 2018 DIST-A 18 18 0.1 0.1Y
Feb 01, 2018 DIST-A 15 15 0.20 0.1Y
Jan 01, 2018 DIST-A 15 15 0.16 0.1Y
Dec 01, 2017 DIST-A 15 15 0.17 0.2Y
Nov 01, 2017 DIST-A 15 15 0.26 0.2Y
Oct 01, 2017 DIST-A 15 15 0.2 0.2Y
Sep 01, 2017 DIST-A 15 15 0.13 0.2Y
Aug 01, 2017 DIST-A 15 14 0.09 0.2Y
Jul 01, 2017 DIST-A 15 15 0.07 0.2Y
Jun 01, 2017 DIST-A 15 16 0.09 0.2Y
May 01, 2017 DIST-A 15 15 0.2 0.2Y
Apr 01, 2017 DIST-A 15 15 0.13 0.2Y
Mar 01, 2017 DIST-A 15 15 0.1 0.2Y
Feb 01, 2017 DIST-A 15 15 0.2 0.2Y
Jan 01, 2017 DIST-A 15 15 0.19 0.2Y
Dec 01, 2016 DIST-A 15 15 0.32 0.2Y
Nov 01, 2016 DIST-A 15 15 0.29 0.2Y
Oct 01, 2016 DIST-A 15 15 0.09 0.2Y
Sep 01, 2016 DIST-A 15 15 0.15 0.2Y
Aug 01, 2016 DIST-A 15 15 0.2 0.2Y
Jul 01, 2016 DIST-A 15 15 0.2 0.2Y
Jun 01, 2016 DIST-A 15 15 0.15 0.2Y
May 01, 2016 DIST-A 15 15 0.2 0.2Y
Apr 01, 2016 DIST-A 18 18 0.2 0.2Y
Mar 01, 2016 DIST-A 15 15 0.3 0.2Y
Feb 01, 2016 DIST-A 15 15 0.32 0.2Y
Jan 01, 2016 DIST-A 15 15 0.18 0.2Y
Dec 01, 2015 DIST-A 15 15 0.3 0.2Y
Nov 01, 2015 DIST-A 15 15 0.30 0.2Y
Oct 01, 2015 DIST-A 15 15 0.2 0.2Y
Sep 01, 2015 DIST-A 15 15 0.2 0.2Y
Aug 01, 2015 DIST-A 15 15 0.21 0.2Y
Jul 01, 2015 DIST-A 18 19 0.17 0.2Y
Jun 01, 2015 DIST-A 15 15 0.12 0.2Y
May 01, 2015 DIST-A 15 14 0.21 0.2Y
Apr 01, 2015 DIST-A 10 10 0.17 0.1Y
Mar 01, 2015 DIST-A 10 10 0.25 0.1Y
Feb 01, 2015 DIST-A 10 10 0.2 0.1Y
Jan 01, 2015 DIST-A 10 10 0.17 0.1Y
Dec 01, 2014 DIST-A 10 10 0.14 0.1Y
Nov 01, 2014 DIST-A 10 10 0.1 0.1Y
Oct 01, 2014 DIST-A 10 10 0.08 0.1Y
Sep 01, 2014 DIST-A 10 9 0.07 0.2Y
Aug 01, 2014 DIST-A 10 10 0.2 0.2Y
Jul 01, 2014 DIST-A 10 10 0.2 0.2Y
Jun 01, 2014 DIST-A 10 11 0.13 0.2Y
May 01, 2014 DIST-A 10 10 0.05 0.2Y
Apr 01, 2014 DIST-A 10 10 0.2 0.2Y
Mar 01, 2014 DIST-A 10 10 0.2 0.2Y
Feb 01, 2014 DIST-A 10 10 0.2 0.2Y
Jan 01, 2014 DIST-A 10 10 0.1 0.2Y
Dec 01, 2013 DIST-A 10 10 0.15 0.2Y
Nov 01, 2013 DIST-A 10 10 0.1 0.2Y
Oct 01, 2013 DIST-A 10 10 0.3 0.2Y
Sep 01, 2013 DIST-A 10 10 0.25 0.2Y
Aug 01, 2013 DIST-A 10 10 0.3 0.2Y
Jul 01, 2013 DIST-A 10 10 0.26 0.2Y
Jun 01, 2013 DIST-A 10 9 0.3 0.2Y
May 01, 2013 DIST-A 10 10 0.2 0.2Y
Apr 01, 2013 DIST-A 10 10 0.1 0.2Y
Mar 01, 2013 DIST-A 10 10 0.15 0.2Y
Feb 01, 2013 DIST-A 10 10 0.23 0.2Y
Jan 01, 2013 DIST-A 10 10 0.10 0.2Y
Dec 01, 2012 DIST-A 10 10 0.18 0.2Y
Nov 01, 2012 DIST-A 10 10 0.14 0.2Y
Oct 01, 2012 DIST-A 10 10 0.05 0.2Y
Sep 01, 2012 DIST-A 10 10 0.2 0.2Y
Aug 01, 2012 DIST-A 10 10 0.3 0.2Y
Jul 01, 2012 DIST-A 10 10 0.2 0.2Y
Jun 01, 2012 DIST-A 10 10 0.4 0.2Y
May 01, 2012 DIST-A 10 10 0.26 0.2Y
Apr 01, 2012 DIST-A 10 10 0.1 0.2Y
Mar 01, 2012 DIST-A 10 10 0.3 0.2Y
Feb 01, 2012 DIST-A 10 10 0.20 0.2Y
Jan 01, 2012 DIST-A 10 10 0.2 0.2Y
Dec 01, 2011 DIST-A 10 10 0.1 0.2Y
Nov 01, 2011 DIST-A 10 10 0.13 0.2Y
Oct 01, 2011 DIST-A 10 10 0.2 0.2Y
Sep 01, 2011 DIST-A 10 10 0.2 0.2Y
Aug 01, 2011 DIST-A 10 10 0.3 0.2Y
Jul 01, 2011 DIST-A 10 10 0.2 0.2Y
Jun 01, 2011 DIST-A 10 10 0.2 0.2Y
May 01, 2011 DIST-A 10 10 0.19 0.2Y
Apr 01, 2011 DIST-A 10 10 0.13 0.2Y
Mar 01, 2011 DIST-A 10 10 0.07 0.2Y
Feb 01, 2011 DIST-A 10 10 0.5 0.2Y
Jan 01, 2011 DIST-A 10 10 0.23 0.2Y
Dec 01, 2010 DIST-A 10 10 0.03 0.2Y
Nov 01, 2010 DIST-A 10 10 0.17 0.2Y
Oct 01, 2010 DIST-A 10 10 0.3 0.1Y
Sep 01, 2010 DIST-A 10 10 0.09 0.1Y
Aug 01, 2010 DIST-A 10 10 0.19 0.1Y
Jul 01, 2010 DIST-A 10 10 0.1 0.1Y
Jun 01, 2010 DIST-A 10 10 0.1 0.1Y
May 01, 2010 DIST-A 10 10 0.07 0.1Y
Apr 01, 2010 DIST-A 10 10 0.10 0.1Y
Mar 01, 2010 DIST-A 10 10 0.16 0.1Y
Feb 01, 2010 DIST-A 10 10 0.3 0.1Y
Jan 01, 2010 DIST-A 10 10 0.25 0.1Y
Dec 01, 2009 DIST-A 10 10 0 0.1Y
Nov 01, 2009 DIST-A 10 10 0.03 0.1Y
Oct 01, 2009 DIST-A 10 10 0.02 0.1Y
Sep 01, 2009 DIST-A 10 10 0.10 0.1Y
Aug 01, 2009 DIST-A 10 8 0.11 0.1Y
Jul 01, 2009 DIST-A 10 13 0.2 0.1Y
Jun 01, 2009 DIST-A 10 10 0.1 0.1Y
May 01, 2009 DIST-A 10 10 0.1 0.1Y
Apr 01, 2009 DIST-A 10 11 0.2 0.2Y
Mar 01, 2009 DIST-A 10 10 0.02 0.2Y
Feb 01, 2009 DIST-A 10 10 0.12 0.2Y
Jan 01, 2009 DIST-A 10 10 0.14 0.2Y
Dec 01, 2008 DIST-A 10 9 0.08 0.2Y
Nov 01, 2008 DIST-A 10 10 0.1 0.2Y
Oct 01, 2008 DIST-A 10 10 0.14 0.2Y
Sep 01, 2008 DIST-A 10 10 0.13 0.2Y
Aug 01, 2008 DIST-A 10 10 0.17 0.2Y
Jul 01, 2008 DIST-A 10 16 0.2 0.2Y
Jun 01, 2008 DIST-A 10 10 0.2 0.2Y
May 01, 2008 DIST-A 10 10 0.3 0.3Y
Apr 01, 2008 DIST-A 10 10 0.3 0.2Y
Mar 01, 2008 DIST-A 10 10 0.10 0.3Y
Feb 01, 2008 DIST-A 10 10 0.4 0.3Y
Jan 01, 2008 DIST-A 10 10 0.26 0.3Y
Dec 01, 2007 DIST-A 10 10 0.14 0.3Y
Nov 01, 2007 DIST-A 10 10 0.2 0.3Y
Oct 01, 2007 DIST-A 10 10 0.2 0.3Y
Sep 01, 2007 DIST-A 10 10 0.24 0.3Y
Aug 01, 2007 DIST-A 10 10 0.3 0.3Y
Jul 01, 2007 DIST-A 10 10 0.3 0.3Y
Jun 01, 2007 DIST-A 10 10 0.3 0.3Y
May 01, 2007 DIST-A 10 10 0.21 0.3Y
Apr 01, 2007 DIST-A 10 9 0.45 0.3Y
Mar 01, 2007 DIST-A 10 10 0.1 0.3Y
Feb 01, 2007 DIST-A 10 10 0.4 0.3Y
Jan 01, 2007 DIST-A 10 10 0.3 0.3Y
Dec 01, 2006 DIST-A 10 10 0.20 0.3Y
Nov 01, 2006 DIST-A 10 10 0.23 0.3Y
Oct 01, 2006 DIST-A 10 10 0.39 0.3Y
Sep 01, 2006 DIST-A 10 10 0.06 0.3Y
Aug 01, 2006 DIST-A 10 7 0.27 0.3Y
Jul 01, 2006 DIST-A 10 13 0.26 0.3Y
Jun 01, 2006 DIST-A 10 10 0.28 0.3Y
May 01, 2006 DIST-A 10 10 0.32 0.4Y
Apr 01, 2006 DIST-A 10 10 0.4 0.4Y
Mar 01, 2006 DIST-A 10 10 0.47 0.4Y
Feb 01, 2006 DIST-A 10 10 0.36 0.3Y
Jan 01, 2006 DIST-A 10 10 0.3 0.3Y
Dec 01, 2005 DIST-A 10 10 0.3 0.4Y
Nov 01, 2005 DIST-A 10 10 0.25 0.4Y
Oct 01, 2005 DIST-A 10 10 0.53 0.4Y
Sep 01, 2005 DIST-A 10 10 0.33 0.4Y
Aug 01, 2005 DIST-A 10 10 0.27 0.4Y
Jul 01, 2005 DIST-A 10 10 0.38 0.4Y
Jun 01, 2005 DIST-A 10 7 0.40 0.4Y
May 01, 2005 DIST-A 10 10 0.4 0.4Y
Apr 01, 2005 DIST-A 10 10 0.4 0.4Y
Mar 01, 2005 DIST-A 10 10 0.22 0.3Y
Feb 01, 2005 DIST-A 10 10 0.41 0.4Y
Jan 01, 2005 DIST-A 10 10 0.57 0.4Y
Dec 01, 2004 DIST-A 10 10 0.42 0.3Y
Nov 01, 2004 DIST-A 10 7 0.36 0.3Y
Oct 01, 2004 DIST-A 10 10 0.40 0.3Y
Sep 01, 2004 DIST-A 10 10 0.39 0.3Y
 



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