OHA Drinking Water Services
OR41
PWS ID: 00257 ---- DETROIT WATER SYSTEM
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
May 01, 2025 DIST-A 1 0 0.3Y
Apr 01, 2025 DIST-A 1 1 0.19 0.3Y
Mar 01, 2025 DIST-A 1 1 0.33 0.3Y
Feb 01, 2025 DIST-A 1 1 0.17 0.3Y
Jan 01, 2025 DIST-A 1 1 0.3 0.4Y
Dec 01, 2024 DIST-A 1 1 0.35 0.4Y
Nov 01, 2024 DIST-A 1 1 0.41 0.4Y
Oct 01, 2024 DIST-A 1 0 0Y
Sep 01, 2020 DIST-A 1 2 0.59 0.7Y
Aug 01, 2020 DIST-A 1 2 0.6 0.7Y
Jul 01, 2020 DIST-A 1 2 0.5 0.7Y
Jun 01, 2020 DIST-A 1 2 0.57 0.7Y
May 01, 2020 DIST-A 1 1 1.15 0.8Y
Apr 01, 2020 DIST-A 1 1 0.31 0.7Y
Mar 01, 2020 DIST-A 1 1 0.34 0.7Y
Feb 01, 2020 DIST-A 1 1 0.69 0.7Y
Jan 01, 2020 DIST-A 1 1 1.1 0.7Y
Dec 01, 2019 DIST-A 1 1 0.75 0.7Y
Nov 01, 2019 DIST-A 1 1 1 0.8Y
Oct 01, 2019 DIST-A 1 1 0.41 0.7Y
Sep 01, 2019 DIST-A 1 1 0.65 0.7Y
Aug 01, 2019 DIST-A 1 2 0.9 0.7Y
Jul 01, 2019 DIST-A 1 0 0.7Y
Jun 01, 2019 DIST-A 1 2 1 0.7Y
May 01, 2019 DIST-A 1 2 0.76 0.7Y
Apr 01, 2019 DIST-A 1 1 0.27 0.7Y
Mar 01, 2019 DIST-A 1 1 0.6 0.7Y
Feb 01, 2019 DIST-A 1 0 0.7Y
Jan 01, 2019 DIST-A 1 1 1.12 0.7Y
Dec 01, 2018 DIST-A 1 1 0.9 0.7Y
Nov 01, 2018 DIST-A 1 1 0.4 0.7Y
Oct 01, 2018 DIST-A 1 1 0.64 0.8Y
Sep 01, 2018 DIST-A 1 1 0.42 0.8Y
Aug 01, 2018 DIST-A 1 2 0.45 0.8Y
Jul 01, 2018 DIST-A 1 2 1.05 0.8Y
Jun 01, 2018 DIST-A 1 2 0.85 0.7Y
May 01, 2018 DIST-A 1 1 0.74 0.6Y
Apr 01, 2018 DIST-A 1 1 0.65 0.6Y
Mar 01, 2018 DIST-A 1 0 0.7Y
Feb 01, 2018 DIST-A 1 0 0.7Y
Jan 01, 2018 DIST-A 1 1 1 0.7Y
Dec 01, 2017 DIST-A 1 0 0.6Y
Nov 01, 2017 DIST-A 1 1 1.1 0.6Y
Oct 01, 2017 DIST-A 1 0 0.6Y
Sep 01, 2017 DIST-A 1 1 0.3 0.6Y
Aug 01, 2017 DIST-A 1 2 0.4 0.6Y
Jul 01, 2017 DIST-A 1 2 0.32 0.7Y
Jun 01, 2017 DIST-A 1 2 0.31 0.7Y
May 01, 2017 DIST-A 1 2 1 0.7Y
Apr 01, 2017 DIST-A 1 1 0.98 0.7Y
Mar 01, 2017 DIST-A 1 1 0.64 0.7Y
Feb 01, 2017 DIST-A 1 0 0.7Y
Jan 01, 2017 DIST-A 1 1 0.52 0.7Y
Dec 01, 2016 DIST-A 1 1 0.65 0.7Y
Nov 01, 2016 DIST-A 1 1 1.18 0.7Y
Oct 01, 2016 DIST-A 1 1 0.31 0.6Y
Sep 01, 2016 DIST-A 1 2 0.51 0.7Y
Aug 01, 2016 DIST-A 1 2 0.95 0.7Y
Jul 01, 2016 DIST-A 1 2 0.46 0.7Y
Jun 01, 2016 DIST-A 1 2 0.92 0.7Y
May 01, 2016 DIST-A 1 2 0.51 0.6Y
Apr 01, 2016 DIST-A 1 1 0.86 0.6Y
Mar 01, 2016 DIST-A 1 1 0.95 0.6Y
Feb 01, 2016 DIST-A 1 1 0.67 0.6Y
Jan 01, 2016 DIST-A 1 1 0.6 0.7Y
Dec 01, 2015 DIST-A 1 1 0.37 0.7Y
Nov 01, 2015 DIST-A 1 0 0.8Y
Oct 01, 2015 DIST-A 1 1 0.61 0.8Y
Sep 01, 2015 DIST-A 1 2 0.88 0.7Y
Aug 01, 2015 DIST-A 1 2 0.5 0.8Y
Jul 01, 2015 DIST-A 1 2 0.78 0.8Y
Jun 01, 2015 DIST-A 1 2 0.42 0.8Y
May 01, 2015 DIST-A 1 2 0.5 0.9Y
Apr 01, 2015 DIST-A 1 1 0.41 0.8Y
Mar 01, 2015 DIST-A 1 1 1.28 0.8Y
Feb 01, 2015 DIST-A 1 1 1.11 0.8Y
Jan 01, 2015 DIST-A 1 1 0.7 0.8Y
Dec 01, 2014 DIST-A 1 1 1.21 0.8Y
Nov 01, 2014 DIST-A 1 0 0.8Y
Oct 01, 2014 DIST-A 1 1 0.47 0.8Y
Sep 01, 2014 DIST-A 1 2 1.09 0.8Y
Aug 01, 2014 DIST-A 1 1 0.59 0.8Y
Jul 01, 2014 DIST-A 1 1 0.95 0.9Y
Jun 01, 2014 DIST-A 1 1 1.09 0.8Y
May 01, 2014 DIST-A 1 2 0.36 0.8Y
Apr 01, 2014 DIST-A 1 1 0.32 0.8Y
Mar 01, 2014 DIST-A 1 1 1.04 0.8Y
Feb 01, 2014 DIST-A 1 1 1.05 0.8Y
Jan 01, 2014 DIST-A 1 1 1.07 0.8Y
Dec 01, 2013 DIST-A 1 1 1.09 0.8Y
Nov 01, 2013 DIST-A 1 1 0.89 0.8Y
Oct 01, 2013 DIST-A 1 1 0.67 0.8Y
Sep 01, 2013 DIST-A 1 2 1.00 0.9Y
Aug 01, 2013 DIST-A 1 2 1.2 0.9Y
Jul 01, 2013 DIST-A 1 2 0.38 0.8Y
Jun 01, 2013 DIST-A 1 2 0.27 0.9Y
May 01, 2013 DIST-A 1 2 0.5 0.9Y
Apr 01, 2013 DIST-A 1 1 0.98 0.9Y
Mar 01, 2013 DIST-A 1 1 1.01 0.8Y
Feb 01, 2013 DIST-A 1 1 0.7 0.8Y
Jan 01, 2013 DIST-A 1 1 1.25 0.9Y
Dec 01, 2012 DIST-A 1 1 1.22 0.9Y
Nov 01, 2012 DIST-A 1 1 0.79 0.8Y
Oct 01, 2012 DIST-A 1 1 1.25 0.8Y
Sep 01, 2012 DIST-A 1 2 0.8 0.7Y
Aug 01, 2012 DIST-A 1 2 0.74 0.6Y
Jul 01, 2012 DIST-A 1 0 0.6Y
Jun 01, 2012 DIST-A 1 0 0.6Y
May 01, 2012 DIST-A 1 2 0.3 0.5Y
Apr 01, 2012 DIST-A 1 1 0.4 0.5Y
Mar 01, 2012 DIST-A 1 1 0.87 0.5Y
Feb 01, 2012 DIST-A 1 1 1.27 0.4Y
Jan 01, 2012 DIST-A 1 1 0.91 0.3Y
Dec 01, 2011 DIST-A 1 0 0.2Y
Nov 01, 2011 DIST-A 1 1 0.31 0.3Y
Oct 01, 2011 DIST-A 1 1 0.4200 0.3Y
Sep 01, 2011 DIST-A 1 1 0.3300 0.2Y
Aug 01, 2011 DIST-A 1 2 0.4350 0.2Y
Jul 01, 2011 DIST-A 1 2 0.3000 0.2Y
Jun 01, 2011 DIST-A 1 1 0 0.2Y
May 01, 2011 DIST-A 1 2 0.3150 0.3Y
Apr 01, 2011 DIST-A 1 1 0.3000 0.3Y
Mar 01, 2011 DIST-A 1 1 0.2900 0.3Y
Feb 01, 2011 DIST-A 1 1 0 0.3Y
Jan 01, 2011 DIST-A 1 1 0 0.4Y
Dec 01, 2010 DIST-A 1 1 0.37 0.4Y
Nov 01, 2010 DIST-A 1 1 0.22 0.4Y
Oct 01, 2010 DIST-A 1 1 0 0.4Y
Sep 01, 2010 DIST-A 1 2 0.4 0.4Y
Aug 01, 2010 DIST-A 1 2 0.50 0.4Y
Jul 01, 2010 DIST-A 1 2 0.33 0.5Y
Jun 01, 2010 DIST-A 1 2 1.0000 0.5Y
May 01, 2010 DIST-A 1 2 0.5 0.4Y
Apr 01, 2010 DIST-A 1 1 0.31 0.4Y
Mar 01, 2010 DIST-A 1 1 0.3 0.4Y
Feb 01, 2010 DIST-A 1 1 0.37 0.4Y
Jan 01, 2010 DIST-A 1 1 0.32 0.4Y
Dec 01, 2009 DIST-A 1 1 0.36 0.4Y
Nov 01, 2009 DIST-A 1 1 0.3 0.3Y
Oct 01, 2009 DIST-A 1 1 0.51 0.3Y
Sep 01, 2009 DIST-A 1 2 0.51 0.3Y
Aug 01, 2009 DIST-A 1 2 0.63 0.3Y
Jul 01, 2009 DIST-A 1 2 0.4 0.3Y
Jun 01, 2009 DIST-A 1 2 0.37 0.3Y
May 01, 2009 DIST-A 1 1 0.2Y
Apr 01, 2009 DIST-A 1 1 0.27 0.3Y
Mar 01, 2009 DIST-A 1 1 0.34 0.3Y
Feb 01, 2009 DIST-A 1 1 0.4 0.3Y
Jan 01, 2009 DIST-A 1 1 0.3 0.3Y
Dec 01, 2008 DIST-A 1 1 0.3Y
Nov 01, 2008 DIST-A 1 1 0.4Y
Oct 01, 2008 DIST-A 1 1 0.3 0.4Y
Sep 01, 2008 DIST-A 1 2 0.4 0.4Y
Aug 01, 2008 DIST-A 1 2 0.5 0.4Y
Jul 01, 2008 DIST-A 1 2 0.48 0.4Y
Jun 01, 2008 DIST-A 1 1 0.4Y
May 01, 2008 DIST-A 1 2 0.42 0.4Y
Apr 01, 2008 DIST-A 1 2 0.5 0.4Y
Mar 01, 2008 DIST-A 1 2 0.53 0.4Y
Feb 01, 2008 DIST-A 1 1 0.4 0.4Y
Jan 01, 2008 DIST-A 1 1 0.4 0.4Y
Dec 01, 2007 DIST-A 1 1 0.4 0.4Y
Nov 01, 2007 DIST-A 1 1 0.5 0.4Y
Oct 01, 2007 DIST-A 1 1 0.5 0.4Y
Sep 01, 2007 DIST-A 1 1 0.5 0.4Y
Aug 01, 2007 DIST-A 1 1 0.4 0.3Y
Jul 01, 2007 DIST-A 1 1 0.4 0.3Y
Jun 01, 2007 DIST-A 1 1 0.3 0.3Y
May 01, 2007 DIST-A 1 1 0.4 0.3Y
Apr 01, 2007 DIST-A 1 1 0.3 0.3Y
Mar 01, 2007 DIST-A 1 1 0.3 0.3Y
Feb 01, 2007 DIST-A 1 1 0.2 0.3Y
Jan 01, 2007 DIST-A 1 1 0.4 0.4Y
Dec 01, 2006 DIST-A 1 1 0.3 0.4Y
Nov 01, 2006 DIST-A 1 1 0.4 0.4Y
Oct 01, 2006 DIST-A 1 1 0.4 0.4Y
Sep 01, 2006 DIST-A 1 0 0.4Y
Aug 01, 2006 DIST-A 1 1 0.4 0.4Y
Jul 01, 2006 DIST-A 1 1 0.3 0.4Y
Jun 01, 2006 DIST-A 1 1 0.3 0.4Y
May 01, 2006 DIST-A 1 1 0.3 0.4Y
Apr 01, 2006 DIST-A 1 1 0.4 0.4Y
Mar 01, 2006 DIST-A 1 1 0.4 0.4Y
Feb 01, 2006 DIST-A 1 1 0.4 0.4Y
Jan 01, 2006 DIST-A 1 1 0.4 0.4Y
Dec 01, 2005 DIST-A 1 1 0.4 0.4Y
Nov 01, 2005 DIST-A 1 1 0.5 0.4Y
Oct 01, 2005 DIST-A 1 1 0.5 0.4Y
Sep 01, 2005 DIST-A 1 1 0.4 0.4Y
Aug 01, 2005 DIST-A 1 1 0.3 0.4Y
Jul 01, 2005 DIST-A 1 1 0.3 0.3Y
Jun 01, 2005 DIST-A 1 1 0.3 0.4Y
May 01, 2005 DIST-A 1 1 0.3 0.4Y
Apr 01, 2005 DIST-A 1 1 0.6 0.4Y
Mar 01, 2005 DIST-A 1 1 0.4 0.3Y
Feb 01, 2005 DIST-A 1 1 0.2 0.3Y
Jan 01, 2005 DIST-A 1 0 0.4Y
Dec 01, 2004 DIST-A 1 1 0.4 0.4Y
Nov 01, 2004 DIST-A 1 1 0.6 0.3Y
Oct 01, 2004 DIST-A 1 0 0.3Y
Sep 01, 2004 DIST-A 1 1 0.2 0.3Y
 



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