OHA Drinking Water Services
OR41
PWS ID: 00408 ---- JEFFERSON, 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
Mar 01, 2026 DIST-A 4 4 0.77 0.7Y
Feb 01, 2026 DIST-A 4 4 0.8 0.7Y
Jan 01, 2026 DIST-A 4 4 0.77 0.7Y
Dec 01, 2025 DIST-A 4 4 0.7 0.7Y
Nov 01, 2025 DIST-A 4 4 0.7 0.7Y
Oct 01, 2025 DIST-A 4 4 0.76 0.7Y
Sep 01, 2025 DIST-A 4 4 0.77 0.7Y
Aug 01, 2025 DIST-A 4 4 0.7 0.7Y
Jul 01, 2025 DIST-A 4 4 0.70 0.7Y
Jun 01, 2025 DIST-A 4 4 0.73 0.8Y
May 01, 2025 DIST-A 4 4 0.7 0.8Y
Apr 01, 2025 DIST-A 4 4 0.6 0.8Y
Mar 01, 2025 DIST-A 4 4 0.74 0.8Y
Feb 01, 2025 DIST-A 4 4 0.76 0.8Y
Jan 01, 2025 DIST-A 4 4 0.81 0.8Y
Dec 01, 2024 DIST-A 4 4 0.8 0.8Y
Nov 01, 2024 DIST-A 4 4 0.75 0.8Y
Oct 01, 2024 DIST-A 4 4 0.8 0.8Y
Sep 01, 2024 DIST-A 4 4 0.7 0.8Y
Aug 01, 2024 DIST-A 4 4 0.85 0.8Y
Jul 01, 2024 DIST-A 4 4 0.9 0.8Y
Jun 01, 2024 DIST-A 4 4 0.72 0.8Y
May 01, 2024 DIST-A 4 4 0.8 0.8Y
Apr 01, 2024 DIST-A 4 4 0.8 0.8Y
Mar 01, 2024 DIST-A 4 4 0.75 0.8Y
Feb 01, 2024 DIST-A 4 4 0.84 0.7Y
Jan 01, 2024 DIST-A 4 4 0.87 0.7Y
Dec 01, 2023 DIST-A 4 4 0.8 0.7Y
Nov 01, 2023 DIST-A 4 4 0.78 0.7Y
Oct 01, 2023 DIST-A 4 4 0.7 0.7Y
Sep 01, 2023 DIST-A 4 4 0.7 0.7Y
Aug 01, 2023 DIST-A 4 4 0.7 0.7Y
Jul 01, 2023 DIST-A 4 4 0.69 0.7Y
Jun 01, 2023 DIST-A 4 4 0.74 0.7Y
May 01, 2023 DIST-A 4 4 0.80 0.7Y
Apr 01, 2023 DIST-A 4 4 0.73 0.7Y
Mar 01, 2023 DIST-A 4 4 0.6 0.7Y
Feb 01, 2023 DIST-A 4 4 0.73 0.7Y
Jan 01, 2023 DIST-A 4 4 0.7 0.7Y
Dec 01, 2022 DIST-A 4 4 0.67 0.7Y
Nov 01, 2022 DIST-A 4 4 0.8 0.7Y
Oct 01, 2022 DIST-A 4 4 0.69 0.7Y
Sep 01, 2022 DIST-A 4 4 0.70 0.7Y
Aug 01, 2022 DIST-A 4 4 0.69 0.7Y
Jul 01, 2022 DIST-A 4 4 0.7 0.7Y
Jun 01, 2022 DIST-A 4 4 0.71 0.7Y
May 01, 2022 DIST-A 4 4 0.7 0.7Y
Apr 01, 2022 DIST-A 3 3 0.67 0.7Y
Mar 01, 2022 DIST-A 3 3 0.7 0.7Y
Feb 01, 2022 DIST-A 3 3 0.7 0.7Y
Jan 01, 2022 DIST-A 3 3 0.70 0.7Y
Dec 01, 2021 DIST-A 3 3 0.7 0.7Y
Nov 01, 2021 DIST-A 3 3 0.6 0.7Y
Oct 01, 2021 DIST-A 3 3 0.68 0.7Y
Sep 01, 2021 DIST-A 3 3 0.61 0.7Y
Aug 01, 2021 DIST-A 3 3 0.70 0.7Y
Jul 01, 2021 DIST-A 3 3 0.62 0.7Y
Jun 01, 2021 DIST-A 3 3 0.64 0.6Y
May 01, 2021 DIST-A 3 3 0.6 0.6Y
Apr 01, 2021 DIST-A 3 3 0.7 0.7Y
Mar 01, 2021 DIST-A 3 3 0.82 0.7Y
Feb 01, 2021 DIST-A 3 3 0.7 0.7Y
Jan 01, 2021 DIST-A 3 3 0.6 0.7Y
Dec 01, 2020 DIST-A 3 3 0.66 0.7Y
Nov 01, 2020 DIST-A 3 3 0.64 0.7Y
Oct 01, 2020 DIST-A 3 3 0.60 0.7Y
Sep 01, 2020 DIST-A 3 3 0.58 0.7Y
Aug 01, 2020 DIST-A 3 3 0.66 0.7Y
Jul 01, 2020 DIST-A 3 3 0.6 0.7Y
Jun 01, 2020 DIST-A 3 3 0.6 0.7Y
May 01, 2020 DIST-A 3 3 0.69 0.7Y
Apr 01, 2020 DIST-A 3 3 0.79 0.7Y
Mar 01, 2020 DIST-A 3 3 0.70 0.7Y
Feb 01, 2020 DIST-A 3 3 0.73 0.7Y
Jan 01, 2020 DIST-A 3 3 0.74 0.7Y
Dec 01, 2019 DIST-A 3 3 0.72 0.7Y
Nov 01, 2019 DIST-A 3 3 0.68 0.7Y
Oct 01, 2019 DIST-A 3 3 0.66 0.7Y
Sep 01, 2019 DIST-A 3 3 0.7 0.7Y
Aug 01, 2019 DIST-A 3 3 0.68 0.7Y
Jul 01, 2019 DIST-A 3 3 0.7 0.7Y
Jun 01, 2019 DIST-A 3 3 0.72 0.7Y
May 01, 2019 DIST-A 3 3 0.73 0.7Y
Apr 01, 2019 DIST-A 3 3 0.7 0.7Y
Mar 01, 2019 DIST-A 3 3 0.71 0.7Y
Feb 01, 2019 DIST-A 3 3 0.67 0.7Y
Jan 01, 2019 DIST-A 3 3 0.79 0.7Y
Dec 01, 2018 DIST-A 3 3 0.75 0.7Y
Nov 01, 2018 DIST-A 3 3 0.78 0.7Y
Oct 01, 2018 DIST-A 3 3 0.75 0.7Y
Sep 01, 2018 DIST-A 3 3 0.7 0.7Y
Aug 01, 2018 DIST-A 3 3 0.76 0.7Y
Jul 01, 2018 DIST-A 3 3 0.67 0.7Y
Jun 01, 2018 DIST-A 3 3 0.67 0.7Y
May 01, 2018 DIST-A 3 3 0.78 0.7Y
Apr 01, 2018 DIST-A 3 3 0.77 0.7Y
Mar 01, 2018 DIST-A 3 3 0.75 0.7Y
Feb 01, 2018 DIST-A 3 3 0.72 0.7Y
Jan 01, 2018 DIST-A 3 3 0.75 0.7Y
Dec 01, 2017 DIST-A 3 3 0.72 0.7Y
Nov 01, 2017 DIST-A 3 4 0.7 0.7Y
Oct 01, 2017 DIST-A 3 3 0.7 0.7Y
Sep 01, 2017 DIST-A 3 3 0.71 0.7Y
Aug 01, 2017 DIST-A 3 3 0.68 0.7Y
Jul 01, 2017 DIST-A 3 3 0.68 0.7Y
Jun 01, 2017 DIST-A 3 3 0.70 0.7Y
May 01, 2017 DIST-A 3 3 0.73 0.7Y
Apr 01, 2017 DIST-A 3 3 0.8 0.7Y
Mar 01, 2017 DIST-A 3 3 0.81 0.7Y
Feb 01, 2017 DIST-A 3 3 0.72 0.7Y
Jan 01, 2017 DIST-A 3 3 0.70 0.7Y
Dec 01, 2016 DIST-A 3 3 0.75 0.7Y
Nov 01, 2016 DIST-A 3 3 0.69 0.7Y
Oct 01, 2016 DIST-A 3 3 0.64 0.7Y
Sep 01, 2016 DIST-A 3 3 0.74 0.7Y
Aug 01, 2016 DIST-A 3 3 0.65 0.7Y
Jul 01, 2016 DIST-A 3 3 0.69 0.6Y
Jun 01, 2016 DIST-A 3 3 0.64 0.6Y
May 01, 2016 DIST-A 3 3 0.64 0.6Y
Apr 01, 2016 DIST-A 3 3 0.7 0.6Y
Mar 01, 2016 DIST-A 3 3 0.73 0.6Y
Feb 01, 2016 DIST-A 3 3 0.7 0.6Y
Jan 01, 2016 DIST-A 3 3 0.71 0.6Y
Dec 01, 2015 DIST-A 3 3 0.69 0.5Y
Nov 01, 2015 DIST-A 3 3 0.5 0.5Y
Oct 01, 2015 DIST-A 3 3 0.65 0.5Y
Sep 01, 2015 DIST-A 3 3 0.51 0.5Y
Aug 01, 2015 DIST-A 3 3 0.6 0.5Y
Jul 01, 2015 DIST-A 5 5 0.6 0.5Y
Jun 01, 2015 DIST-A 6 5 0.5 0.5Y
May 01, 2015 DIST-A 3 3 0.5 0.5Y
Apr 01, 2015 DIST-A 3 3 0.5 0.5Y
Mar 01, 2015 DIST-A 3 3 0.5 0.5Y
Feb 01, 2015 DIST-A 3 3 0.5 0.5Y
Jan 01, 2015 DIST-A 3 3 0.5 0.5Y
Dec 01, 2014 DIST-A 3 3 0.5 0.5Y
Nov 01, 2014 DIST-A 3 3 0.5 0.5Y
Oct 01, 2014 DIST-A 3 3 0.5 0.5Y
Sep 01, 2014 DIST-A 3 3 0.5 0.5Y
Aug 01, 2014 DIST-A 3 3 0.5 0.5Y
Jul 01, 2014 DIST-A 3 3 0.5 0.5Y
Jun 01, 2014 DIST-A 3 3 0.5 0.5Y
May 01, 2014 DIST-A 3 3 0.5 0.5Y
Apr 01, 2014 DIST-A 3 3 0.5 0.5Y
Mar 01, 2014 DIST-A 3 3 0.5 0.5Y
Feb 01, 2014 DIST-A 3 3 0.5 0.5Y
Jan 01, 2014 DIST-A 3 3 0.5 0.5Y
Dec 01, 2013 DIST-A 3 3 0.4 0.5Y
Nov 01, 2013 DIST-A 3 3 0.4 0.5Y
Oct 01, 2013 DIST-A 3 3 0.4 0.5Y
Sep 01, 2013 DIST-A 3 3 0.4 0.5Y
Aug 01, 2013 DIST-A 3 3 0.5 0.5Y
Jul 01, 2013 DIST-A 3 3 0.5 0.5Y
Jun 01, 2013 DIST-A 3 3 0.5 0.5Y
May 01, 2013 DIST-A 3 3 0.5 0.5Y
Apr 01, 2013 DIST-A 3 3 0.5 0.5Y
Mar 01, 2013 DIST-A 3 3 0.5 0.5Y
Feb 01, 2013 DIST-A 3 3 0.5 0.5Y
Jan 01, 2013 DIST-A 3 3 0.5 0.5Y
Dec 01, 2012 DIST-A 3 3 0.5 0.5Y
Nov 01, 2012 DIST-A 3 3 0.5 0.5Y
Oct 01, 2012 DIST-A 3 3 0.5 0.5Y
Sep 01, 2012 DIST-A 3 3 0.5 0.5Y
Aug 01, 2012 DIST-A 3 3 0.5 0.5Y
Jul 01, 2012 DIST-A 3 3 0.5 0.5Y
Jun 01, 2012 DIST-A 3 3 0.5 0.5Y
May 01, 2012 DIST-A 3 3 0.5 0.5Y
Apr 01, 2012 DIST-A 3 3 0.5 0.5Y
Mar 01, 2012 DIST-A 3 3 0.5 0.5Y
Feb 01, 2012 DIST-A 3 3 0.5 0.5Y
Jan 01, 2012 DIST-A 3 3 0.5 0.5Y
Dec 01, 2011 DIST-A 3 3 0.5 0.5Y
Nov 01, 2011 DIST-A 3 3 0.5 0.5Y
Oct 01, 2011 DIST-A 3 3 0.5000 0.5Y
Sep 01, 2011 DIST-A 3 3 0.5000 0.5Y
Aug 01, 2011 DIST-A 3 2 0.5000 0.5Y
Jul 01, 2011 DIST-A 3 2 0.5000 0.5Y
Jun 01, 2011 DIST-A 3 1 0.5000 0.5Y
May 01, 2011 DIST-A 3 0 0 0.5Y
Apr 01, 2011 DIST-A 3 2 0.5000 0.5Y
Mar 01, 2011 DIST-A 3 1 0.5000 0.5Y
Feb 01, 2011 DIST-A 3 2 0.5000 0.5Y
Jan 01, 2011 DIST-A 3 2 0.5000 0.5Y
Dec 01, 2010 DIST-A 3 3 0.5 0.5Y
Nov 01, 2010 DIST-A 3 3 0.5 0.5Y
Oct 01, 2010 DIST-A 2 2 0.5 0.5Y
Sep 01, 2010 DIST-A 2 2 0.5 0.5Y
Aug 01, 2010 DIST-A 2 2 0.5 0.5Y
Jul 01, 2010 DIST-A 2 2 0.5 0.5Y
Jun 01, 2010 DIST-A 2 2 0.5 0.5Y
May 01, 2010 DIST-A 2 2 0.5 0.5Y
Apr 01, 2010 DIST-A 2 2 0.5 0.5Y
Mar 01, 2010 DIST-A 2 2 0.5 0.5Y
Feb 01, 2010 DIST-A 2 2 0.5 0.5Y
Jan 01, 2010 DIST-A 2 2 0.5 0.5Y
Dec 01, 2009 DIST-A 2 2 0.5 0.5Y
Nov 01, 2009 DIST-A 2 2 0.5 0.4Y
Oct 01, 2009 DIST-A 2 2 0.5 0.4Y
Sep 01, 2009 DIST-A 2 2 0.5 0.4Y
Aug 01, 2009 DIST-A 2 2 0.5 0.4Y
Jul 01, 2009 DIST-A 2 2 0.5 0.4Y
Jun 01, 2009 DIST-A 2 1 0.5 0.4Y
May 01, 2009 DIST-A 2 2 0.3Y
Apr 01, 2009 DIST-A 2 2 0.5 0.4Y
Mar 01, 2009 DIST-A 2 2 0.5 0.4Y
Feb 01, 2009 DIST-A 2 2 0.5 0.4Y
Jan 01, 2009 DIST-A 2 2 0.5 0.4Y
Dec 01, 2008 DIST-A 2 2 0.4Y
Nov 01, 2008 DIST-A 2 2 0.4Y
Oct 01, 2008 DIST-A 2 2 0.5 0.5Y
Sep 01, 2008 DIST-A 2 2 0.5 0.5Y
Aug 01, 2008 DIST-A 2 2 0.5 0.5Y
Jul 01, 2008 DIST-A 2 2 0.5 0.5Y
Jun 01, 2008 DIST-A 2 2 0.5Y
May 01, 2008 DIST-A 2 2 0.5 0.5Y
Apr 01, 2008 DIST-A 2 2 0.5 0.5Y
Mar 01, 2008 DIST-A 2 2 0.5 0.5Y
Feb 01, 2008 DIST-A 2 2 0.5 0.5Y
Jan 01, 2008 DIST-A 2 2 0.6 0.5Y
Dec 01, 2007 DIST-A 2 2 0.5 0.5Y
Nov 01, 2007 DIST-A 2 2 0.5 0.5Y
Oct 01, 2007 DIST-A 2 2 0.5 0.5Y
Sep 01, 2007 DIST-A 2 2 0.5 0.5Y
Aug 01, 2007 DIST-A 2 2 0.5 0.5Y
Jul 01, 2007 DIST-A 2 2 0.5 0.5Y
Jun 01, 2007 DIST-A 2 2 0.5 0.5Y
May 01, 2007 DIST-A 2 2 0.5 0.5Y
Apr 01, 2007 DIST-A 2 2 0.5 0.5Y
Mar 01, 2007 DIST-A 2 2 0.5 0.5Y
Feb 01, 2007 DIST-A 2 2 0.5 0.5Y
Jan 01, 2007 DIST-A 2 2 0.5 0.5Y
Dec 01, 2006 DIST-A 2 2 0.5 0.5Y
Nov 01, 2006 DIST-A 2 2 0.5 0.5Y
Oct 01, 2006 DIST-A 2 2 0.5 0.5Y
Sep 01, 2006 DIST-A 5 5 0.5 0.5Y
Aug 01, 2006 DIST-A 5 6 0.6 0.5Y
Jul 01, 2006 DIST-A 2 2 0.5 0.5Y
Jun 01, 2006 DIST-A 2 2 0.5 0.5Y
May 01, 2006 DIST-A 2 2 0.5 0.5Y
Apr 01, 2006 DIST-A 2 2 0.5 0.5Y
Mar 01, 2006 DIST-A 2 2 0.5 0.5Y
Feb 01, 2006 DIST-A 2 2 0.5 0.5Y
Jan 01, 2006 DIST-A 2 2 0.5 0.5Y
Dec 01, 2005 DIST-A 2 2 0.5 0.5Y
Nov 01, 2005 DIST-A 2 2 0.5 0.5Y
Oct 01, 2005 DIST-A 2 2 0.5 0.5Y
Sep 01, 2005 DIST-A 2 2 0.5 0.5Y
Aug 01, 2005 DIST-A 2 2 0.5 0.5Y
Jul 01, 2005 DIST-A 2 2 0.5 0.5Y
Jun 01, 2005 DIST-A 2 2 0.5 0.5Y
May 01, 2005 DIST-A 2 2 0.5 0.5Y
Apr 01, 2005 DIST-A 2 2 0.5 0.5Y
Mar 01, 2005 DIST-A 2 2 0.5 0.5Y
Feb 01, 2005 DIST-A 2 2 0.5 0.5Y
Jan 01, 2005 DIST-A 2 2 0.5 0.5Y
Dec 01, 2004 DIST-A 2 2 0.5 0.5Y
Nov 01, 2004 DIST-A 2 2 0.5 0.5Y
Oct 01, 2004 DIST-A 2 2 0.5 0.4Y
Sep 01, 2004 DIST-A 2 2 0.5 0.4Y