OHA Drinking Water Services
OR41
PWS ID: 00248 ---- DALLAS, 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
Feb 01, 2024 DIST-A 15 15 1 0.8Y
Jan 01, 2024 DIST-A 15 15 0.99 0.8Y
Dec 01, 2023 DIST-A 15 15 0.77 0.8Y
Nov 01, 2023 DIST-A 15 15 0.60 0.8Y
Oct 01, 2023 DIST-A 15 15 0.7 0.8Y
Sep 01, 2023 DIST-A 15 15 0.73 0.8Y
Aug 01, 2023 DIST-A 15 15 0.8 0.8Y
Jul 01, 2023 DIST-A 15 15 0.86 0.8Y
Jun 01, 2023 DIST-A 15 15 0.91 0.8Y
May 01, 2023 DIST-A 15 15 0.82 0.7Y
Apr 01, 2023 DIST-A 15 15 0.86 0.7Y
Mar 01, 2023 DIST-A 15 15 0.8 0.7Y
Feb 01, 2023 DIST-A 15 15 0.83 0.7Y
Jan 01, 2023 DIST-A 15 15 0.80 0.7Y
Dec 01, 2022 DIST-A 15 15 0.6 0.7Y
Nov 01, 2022 DIST-A 15 15 0.63 0.8Y
Oct 01, 2022 DIST-A 15 15 0.56 0.7Y
Sep 01, 2022 DIST-A 15 15 0.68 0.8Y
Aug 01, 2022 DIST-A 15 15 0.8 0.8Y
Jul 01, 2022 DIST-A 15 15 0.8 0.8Y
Jun 01, 2022 DIST-A 15 15 0.69 0.8Y
May 01, 2022 DIST-A 15 15 0.83 0.8Y
Apr 01, 2022 DIST-A 15 15 0.7 0.8Y
Mar 01, 2022 DIST-A 15 15 0.86 0.8Y
Feb 01, 2022 DIST-A 15 15 0.99 0.8Y
Jan 01, 2022 DIST-A 15 15 0.84 0.8Y
Dec 01, 2021 DIST-A 15 15 0.66 0.8Y
Nov 01, 2021 DIST-A 15 15 0.58 0.8Y
Oct 01, 2021 DIST-A 15 15 0.64 0.8Y
Sep 01, 2021 DIST-A 15 15 0.69 0.8Y
Aug 01, 2021 DIST-A 15 15 0.74 0.8Y
Jul 01, 2021 DIST-A 15 15 0.88 0.8Y
Jun 01, 2021 DIST-A 15 15 0.93 0.8Y
May 01, 2021 DIST-A 15 15 1 0.8Y
Apr 01, 2021 DIST-A 15 15 0.83 0.8Y
Mar 01, 2021 DIST-A 15 15 0.82 0.8Y
Feb 01, 2021 DIST-A 15 15 1.01 0.8Y
Jan 01, 2021 DIST-A 15 15 0.87 0.8Y
Dec 01, 2020 DIST-A 15 15 0.80 0.8Y
Nov 01, 2020 DIST-A 15 15 0.46 0.8Y
Oct 01, 2020 DIST-A 15 15 0.60 0.8Y
Sep 01, 2020 DIST-A 15 15 0.84 0.8Y
Aug 01, 2020 DIST-A 15 15 0.85 0.8Y
Jul 01, 2020 DIST-A 15 15 1 0.8Y
Jun 01, 2020 DIST-A 15 15 0.8 0.8Y
May 01, 2020 DIST-A 15 15 0.78 0.8Y
Apr 01, 2020 DIST-A 15 15 0.88 0.8Y
Mar 01, 2020 DIST-A 15 15 0.95 0.8Y
Feb 01, 2020 DIST-A 15 15 0.97 0.8Y
Jan 01, 2020 DIST-A 15 15 0.83 0.8Y
Dec 01, 2019 DIST-A 15 15 0.71 0.8Y
Nov 01, 2019 DIST-A 15 15 0.67 0.8Y
Oct 01, 2019 DIST-A 15 15 0.62 0.8Y
Sep 01, 2019 DIST-A 18 18 0.71 0.8Y
Aug 01, 2019 DIST-A 18 18 0.81 0.8Y
Jul 01, 2019 DIST-A 15 15 0.83 0.8Y
Jun 01, 2019 DIST-A 15 15 0.89 0.8Y
May 01, 2019 DIST-A 15 15 0.9 0.8Y
Apr 01, 2019 DIST-A 15 15 0.88 0.9Y
Mar 01, 2019 DIST-A 15 15 0.87 0.9Y
Feb 01, 2019 DIST-A 15 15 0.94 0.9Y
Jan 01, 2019 DIST-A 15 15 0.88 0.9Y
Dec 01, 2018 DIST-A 15 15 0.77 0.9Y
Nov 01, 2018 DIST-A 15 15 0.6 0.9Y
Oct 01, 2018 DIST-A 15 15 0.7 0.9Y
Sep 01, 2018 DIST-A 15 15 0.86 0.9Y
Aug 01, 2018 DIST-A 15 15 0.83 0.9Y
Jul 01, 2018 DIST-A 15 15 0.9 0.9Y
Jun 01, 2018 DIST-A 15 15 1.01 0.9Y
May 01, 2018 DIST-A 15 15 1 0.9Y
Apr 01, 2018 DIST-A 15 15 1.0 0.9Y
Mar 01, 2018 DIST-A 15 15 1 0.9Y
Feb 01, 2018 DIST-A 15 15 0.95 0.9Y
Jan 01, 2018 DIST-A 15 15 0.9 0.9Y
Dec 01, 2017 DIST-A 15 15 1.0 1.0Y
Nov 01, 2017 DIST-A 15 15 0.9 1.0Y
Oct 01, 2017 DIST-A 18 18 0.81 0.9Y
Sep 01, 2017 DIST-A 15 15 0.84 0.9Y
Aug 01, 2017 DIST-A 15 15 0.92 0.9Y
Jul 01, 2017 DIST-A 18 18 1 1.0Y
Jun 01, 2017 DIST-A 15 15 1 0.9Y
May 01, 2017 DIST-A 15 15 1 0.9Y
Apr 01, 2017 DIST-A 15 15 1 0.9Y
Mar 01, 2017 DIST-A 15 15 1 0.9Y
Feb 01, 2017 DIST-A 15 15 1 0.9Y
Jan 01, 2017 DIST-A 15 15 1 0.9Y
Dec 01, 2016 DIST-A 15 15 1.0 0.9Y
Nov 01, 2016 DIST-A 15 15 0.8 0.9Y
Oct 01, 2016 DIST-A 15 15 0.77 0.9Y
Sep 01, 2016 DIST-A 15 15 0.9 1.0Y
Aug 01, 2016 DIST-A 15 15 1 1.0Y
Jul 01, 2016 DIST-A 15 15 0.9 1.0Y
Jun 01, 2016 DIST-A 15 17 1 1.0Y
May 01, 2016 DIST-A 15 17 1 1.0Y
Apr 01, 2016 DIST-A 15 17 1.0 1.0Y
Mar 01, 2016 DIST-A 15 17 1 0.9Y
Feb 01, 2016 DIST-A 15 17 0.93 0.9Y
Jan 01, 2016 DIST-A 15 17 1 0.9Y
Dec 01, 2015 DIST-A 15 17 1.0 0.9Y
Nov 01, 2015 DIST-A 15 17 0.8 0.9Y
Oct 01, 2015 DIST-A 15 17 0.9 1.0Y
Sep 01, 2015 DIST-A 15 17 1 1.0Y
Aug 01, 2015 DIST-A 15 17 0.9 1.0Y
Jul 01, 2015 DIST-A 15 17 0.91 1.0Y
Jun 01, 2015 DIST-A 15 17 1.0 1.0Y
May 01, 2015 DIST-A 15 17 1 1.0Y
Apr 01, 2015 DIST-A 15 16 0.9 1.0Y
Mar 01, 2015 DIST-A 15 17 0.9 1.0Y
Feb 01, 2015 DIST-A 15 17 1.04 1.0Y
Jan 01, 2015 DIST-A 15 17 1 1.0Y
Dec 01, 2014 DIST-A 15 17 1.0 1.0Y
Nov 01, 2014 DIST-A 15 17 1 1.0Y
Oct 01, 2014 DIST-A 15 17 0.9 1.0Y
Sep 01, 2014 DIST-A 15 17 0.9 1.0Y
Aug 01, 2014 DIST-A 15 17 1 1.0Y
Jul 01, 2014 DIST-A 15 17 1 1.0Y
Jun 01, 2014 DIST-A 15 17 1 1.0Y
May 01, 2014 DIST-A 15 17 1 1.0Y
Apr 01, 2014 DIST-A 15 17 1 1.0Y
Mar 01, 2014 DIST-A 15 17 1 1.0Y
Feb 01, 2014 DIST-A 15 17 1 1.0Y
Jan 01, 2014 DIST-A 15 17 1 1.0Y
Dec 01, 2013 DIST-A 15 17 1 1.0Y
Nov 01, 2013 DIST-A 15 17 1 1.0Y
Oct 01, 2013 DIST-A 15 17 0.9 1.0Y
Sep 01, 2013 DIST-A 15 17 0.9 1.0Y
Aug 01, 2013 DIST-A 15 17 0.9 1.0Y
Jul 01, 2013 DIST-A 15 17 1 1.0Y
Jun 01, 2013 DIST-A 15 17 1 1.0Y
May 01, 2013 DIST-A 15 17 1 1.0Y
Apr 01, 2013 DIST-A 15 17 1 1.0Y
Mar 01, 2013 DIST-A 15 17 1 1.0Y
Feb 01, 2013 DIST-A 15 17 1 1.0Y
Jan 01, 2013 DIST-A 15 17 1 1.0Y
Dec 01, 2012 DIST-A 15 17 1.0 1.0Y
Nov 01, 2012 DIST-A 15 17 1 0.9Y
Oct 01, 2012 DIST-A 15 17 1 0.9Y
Sep 01, 2012 DIST-A 15 17 0.8 0.9Y
Aug 01, 2012 DIST-A 15 17 0.9 0.9Y
Jul 01, 2012 DIST-A 15 17 1 0.9Y
Jun 01, 2012 DIST-A 15 17 1 0.9Y
May 01, 2012 DIST-A 15 17 0.8 0.9Y
Apr 01, 2012 DIST-A 15 17 0.95 0.9Y
Mar 01, 2012 DIST-A 15 17 1.05 0.9Y
Feb 01, 2012 DIST-A 15 17 0.92 0.9Y
Jan 01, 2012 DIST-A 15 17 1.11 0.9Y
Dec 01, 2011 DIST-A 15 17 0.83 0.9Y
Nov 01, 2011 DIST-A 15 17 0.88 0.9Y
Oct 01, 2011 DIST-A 15 17 0.84 0.9Y
Sep 01, 2011 DIST-A 15 17 0.93 0.9Y
Aug 01, 2011 DIST-A 15 17 0.94 0.9Y
Jul 01, 2011 DIST-A 15 17 0.94 0.9Y
Jun 01, 2011 DIST-A 15 17 1.03 0.9Y
May 01, 2011 DIST-A 15 17 0.89 0.9Y
Apr 01, 2011 DIST-A 15 17 0.81 0.9Y
Mar 01, 2011 DIST-A 15 17 0.92 1.0Y
Feb 01, 2011 DIST-A 15 17 0.95 1.0Y
Jan 01, 2011 DIST-A 15 17 0.99 1.0Y
Dec 01, 2010 DIST-A 15 17 1.0 1.0Y
Nov 01, 2010 DIST-A 15 17 0.90 1.0Y
Oct 01, 2010 DIST-A 15 17 1.06 1.0Y
Sep 01, 2010 DIST-A 15 17 0.89 1.0Y
Aug 01, 2010 DIST-A 15 17 0.93 1.0Y
Jul 01, 2010 DIST-A 15 17 0.99 1.0Y
Jun 01, 2010 DIST-A 15 17 0.93 1.0Y
May 01, 2010 DIST-A 15 17 1.00 1.0Y
Apr 01, 2010 DIST-A 15 17 0.95 0.9Y
Mar 01, 2010 DIST-A 15 17 0.95 0.9Y
Feb 01, 2010 DIST-A 15 17 0.95 0.9Y
Jan 01, 2010 DIST-A 15 17 0.99 0.9Y
Dec 01, 2009 DIST-A 15 17 0.97 0.9Y
Nov 01, 2009 DIST-A 15 17 0.92 0.9Y
Oct 01, 2009 DIST-A 15 17 0.95 0.9Y
Sep 01, 2009 DIST-A 15 17 1.02 0.9Y
Aug 01, 2009 DIST-A 15 17 0.97 0.9Y
Jul 01, 2009 DIST-A 15 17 1.11 0.9Y
Jun 01, 2009 DIST-A 15 17 1.1 0.9Y
May 01, 2009 DIST-A 15 15 0.9Y
Apr 01, 2009 DIST-A 15 17 1.1 1.0Y
Mar 01, 2009 DIST-A 15 17 0.96 1.0Y
Feb 01, 2009 DIST-A 15 17 0.99 1.0Y
Jan 01, 2009 DIST-A 15 17 1.00 1.0Y
Dec 01, 2008 DIST-A 15 17 .93 1.0Y
Nov 01, 2008 DIST-A 15 17 1.01 1.0Y
Oct 01, 2008 DIST-A 15 17 .78 1.0Y
Sep 01, 2008 DIST-A 15 17 .88 1.0Y
Aug 01, 2008 DIST-A 15 17 .93 1.0Y
Jul 01, 2008 DIST-A 15 17 1.20 1.0Y
Jun 01, 2008 DIST-A 15 17 0.98 1.0Y
May 01, 2008 DIST-A 15 17 0.91 1.0Y
Apr 01, 2008 DIST-A 15 17 0.95 1.0Y
Mar 01, 2008 DIST-A 15 17 0.93 1.0Y
Feb 01, 2008 DIST-A 15 17 0.90 1.1Y
Jan 01, 2008 DIST-A 15 17 1.09 1.1Y
Dec 01, 2007 DIST-A 15 17 1.20 1.1Y
Nov 01, 2007 DIST-A 15 17 1.12 1.0Y
Oct 01, 2007 DIST-A 15 17 1.07 1.0Y
Sep 01, 2007 DIST-A 15 17 0.92 1.0Y
Aug 01, 2007 DIST-A 15 17 1.18 1.0Y
Jul 01, 2007 DIST-A 15 17 1.12 1.0Y
Jun 01, 2007 DIST-A 15 17 1.08 1.0Y
May 01, 2007 DIST-A 15 17 0.98 1.0Y
Apr 01, 2007 DIST-A 15 17 0.96 1.0Y
Mar 01, 2007 DIST-A 0 17 1.06 1.0Y
Feb 01, 2007 DIST-A 0 17 1.04 1.0Y
Jan 01, 2007 DIST-A 15 17 0.96 1.0Y
Dec 01, 2006 DIST-A 15 17 0.93 1.0Y
Nov 01, 2006 DIST-A 0 17 0.92 1.0Y
Oct 01, 2006 DIST-A 15 17 0.87 1.0Y
Sep 01, 2006 DIST-A 15 17 0.98 1.0Y
Aug 01, 2006 DIST-A 15 17 1.04 1.0Y
Jul 01, 2006 DIST-A 15 17 1.0 1.0Y
Jun 01, 2006 DIST-A 15 17 0.96 1.0Y
May 01, 2006 DIST-A 15 17 0.87 1.0Y
Apr 01, 2006 DIST-A 15 17 0.95 1.0Y
Mar 01, 2006 DIST-A 15 17 1.00 1.0Y
Feb 01, 2006 DIST-A 15 17 1.06 1.0Y
Jan 01, 2006 DIST-A 15 17 1.00 1.0Y
Dec 01, 2005 DIST-A 15 17 .96 1.0Y
Nov 01, 2005 DIST-A 15 17 1 1.0Y
Oct 01, 2005 DIST-A 15 17 .75 1.0Y
Sep 01, 2005 DIST-A 15 17 .96 1.0Y
Aug 01, 2005 DIST-A 15 17 .97 1.0Y
Jul 01, 2005 DIST-A 15 17 1.04 1.0Y
Jun 01, 2005 DIST-A 15 17 .97 1.0Y
May 01, 2005 DIST-A 15 17 0.89 1.0Y
Apr 01, 2005 DIST-A 15 17 0.96 1.0Y
Mar 01, 2005 DIST-A 15 17 1.06 1.0Y
Feb 01, 2005 DIST-A 15 17 1.02 1.0Y
Jan 01, 2005 DIST-A 15 17 1.13 1.0Y
Dec 01, 2004 DIST-A 15 17 1.12 1.0Y
Nov 01, 2004 DIST-A 15 17 0.96 1.0Y
Oct 01, 2004 DIST-A 15 17 0.92 1.0Y
Sep 01, 2004 DIST-A 15 17 .93 1.0Y
 




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