OHA Drinking Water Services
OR41
PWS ID: 00667 ---- RALEIGH WATER DISTRICT
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 5 5 0.84 1.3Y
Sep 01, 2024 DIST-A 5 5 1.24 1.3Y
Aug 01, 2024 DIST-A 5 5 1.56 1.4Y
Jul 01, 2024 DIST-A 5 5 1.24 1.4Y
Jun 01, 2024 DIST-A 5 5 1.68 1.4Y
May 01, 2024 DIST-A 5 5 1.48 1.4Y
Apr 01, 2024 DIST-A 5 5 1.56 1.4Y
Mar 01, 2024 DIST-A 5 5 1.4 1.4Y
Feb 01, 2024 DIST-A 5 5 1.12 1.4Y
Jan 01, 2024 DIST-A 5 5 1.12 1.4Y
Dec 01, 2023 DIST-A 5 5 1.32 1.4Y
Nov 01, 2023 DIST-A 5 5 0.96 1.4Y
Oct 01, 2023 DIST-A 5 5 1.28 1.4Y
Sep 01, 2023 DIST-A 5 5 1.52 1.4Y
Aug 01, 2023 DIST-A 5 5 1.8 1.4Y
Jul 01, 2023 DIST-A 5 5 1.44 1.4Y
Jun 01, 2023 DIST-A 5 5 1.48 1.5Y
May 01, 2023 DIST-A 5 5 1.56 1.5Y
Apr 01, 2023 DIST-A 5 5 1.32 1.4Y
Mar 01, 2023 DIST-A 5 5 1.36 1.4Y
Feb 01, 2023 DIST-A 5 5 1.52 1.4Y
Jan 01, 2023 DIST-A 5 5 1.28 1.4Y
Dec 01, 2022 DIST-A 5 5 1.36 1.4Y
Nov 01, 2022 DIST-A 5 5 1.02 1.3Y
Oct 01, 2022 DIST-A 5 5 1.24 1.3Y
Sep 01, 2022 DIST-A 5 5 1.36 1.2Y
Aug 01, 2022 DIST-A 5 5 2.08 1.1Y
Jul 01, 2022 DIST-A 5 5 2.08 1.1Y
Jun 01, 2022 DIST-A 5 5 1.48 1.0Y
May 01, 2022 DIST-A 5 5 1.28 1.0Y
Apr 01, 2022 DIST-A 5 5 1 1.0Y
Mar 01, 2022 DIST-A 5 5 1.2 1.0Y
Feb 01, 2022 DIST-A 5 5 1.16 1.0Y
Jan 01, 2022 DIST-A 5 5 1.04 1.0Y
Dec 01, 2021 DIST-A 5 5 0.8 1.0Y
Nov 01, 2021 DIST-A 5 5 0.4 1.1Y
Oct 01, 2021 DIST-A 5 5 0.44 1.2Y
Sep 01, 2021 DIST-A 5 5 0.5 1.3Y
Aug 01, 2021 DIST-A 5 5 1.4 1.5Y
Jul 01, 2021 DIST-A 5 5 1.4 1.5Y
Jun 01, 2021 DIST-A 5 5 1.2 1.5Y
May 01, 2021 DIST-A 5 5 1.48 1.6Y
Jan 01, 2021 DIST-A 5 5 1.08 1.4Y
Dec 01, 2020 DIST-A 5 5 1.76 1.4Y
Nov 01, 2020 DIST-A 5 5 1.54 1.3Y
Oct 01, 2020 DIST-A 5 5 1.62 1.3Y
Sep 01, 2020 DIST-A 5 5 1.88 1.2Y
Aug 01, 2020 DIST-A 5 5 1.78 1.2Y
Jul 01, 2020 DIST-A 5 5 1.54 1.2Y
Jun 01, 2020 DIST-A 5 5 1.3 1.2Y
May 01, 2020 DIST-A 5 5 1.36 1.2Y
Apr 01, 2020 DIST-A 5 5 1.12 1.2Y
Mar 01, 2020 DIST-A 5 5 1.12 1.2Y
Feb 01, 2020 DIST-A 5 5 1.11 1.2Y
Jan 01, 2020 DIST-A 5 6 0.78 1.2Y
Dec 01, 2019 DIST-A 5 5 0.85 1.2Y
Nov 01, 2019 DIST-A 5 5 0.93 1.2Y
Oct 01, 2019 DIST-A 5 5 1.12 1.3Y
Sep 01, 2019 DIST-A 5 5 1.54 1.3Y
Aug 01, 2019 DIST-A 5 5 1.56 1.3Y
Jul 01, 2019 DIST-A 5 5 1.2 1.3Y
Jun 01, 2019 DIST-A 5 5 1.28 1.4Y
May 01, 2019 DIST-A 5 5 1.3 1.4Y
Apr 01, 2019 DIST-A 5 5 1.06 1.4Y
Mar 01, 2019 DIST-A 5 5 1.1 1.4Y
Feb 01, 2019 DIST-A 5 5 1.56 1.4Y
Jan 01, 2019 DIST-A 5 5 0.6 1.4Y
Dec 01, 2018 DIST-A 5 5 1.5 1.5Y
Nov 01, 2018 DIST-A 5 5 1.44 1.4Y
Oct 01, 2018 DIST-A 5 5 1.6 1.4Y
Sep 01, 2018 DIST-A 5 5 1.48 1.4Y
Aug 01, 2018 DIST-A 5 5 1.74 1.4Y
Jul 01, 2018 DIST-A 5 5 1.82 1.4Y
Jun 01, 2018 DIST-A 5 5 1.56 1.3Y
May 01, 2018 DIST-A 5 5 1.46 1.3Y
Apr 01, 2018 DIST-A 5 5 1.46 1.4Y
Mar 01, 2018 DIST-A 5 5 0.74 1.3Y
Feb 01, 2018 DIST-A 5 5 1.26 1.4Y
Jan 01, 2018 DIST-A 5 5 1.38 1.4Y
Dec 01, 2017 DIST-A 5 5 1.36 1.4Y
Nov 01, 2017 DIST-A 5 5 0.92 1.4Y
Oct 01, 2017 DIST-A 5 5 1.12 1.4Y
Sep 01, 2017 DIST-A 5 5 1.5 1.4Y
Aug 01, 2017 DIST-A 5 5 1.7 1.4Y
Jul 01, 2017 DIST-A 5 5 1.6 1.4Y
Jun 01, 2017 DIST-A 5 5 1.5 1.4Y
May 01, 2017 DIST-A 5 5 1.7 1.4Y
Apr 01, 2017 DIST-A 5 5 1.4 1.4Y
Mar 01, 2017 DIST-A 5 5 1.5 1.4Y
Feb 01, 2017 DIST-A 5 5 1.5 1.4Y
Jan 01, 2017 DIST-A 5 5 1.3 1.4Y
Dec 01, 2016 DIST-A 5 5 0.9 1.4Y
Nov 01, 2016 DIST-A 5 5 0.99 1.4Y
Oct 01, 2016 DIST-A 5 5 1.3 1.4Y
Sep 01, 2016 DIST-A 5 5 1.6 1.4Y
Aug 01, 2016 DIST-A 5 5 1.9 1.4Y
Jul 01, 2016 DIST-A 5 5 1.5 1.4Y
Jun 01, 2016 DIST-A 5 5 1.7 1.4Y
May 01, 2016 DIST-A 5 5 1.8 1.5Y
Apr 01, 2016 DIST-A 5 5 1.3 1.4Y
Mar 01, 2016 DIST-A 5 5 1.1 1.4Y
Feb 01, 2016 DIST-A 5 5 0.9 1.4Y
Jan 01, 2016 DIST-A 5 5 1.58 1.4Y
Dec 01, 2015 DIST-A 5 5 1.5 1.4Y
Nov 01, 2015 DIST-A 5 5 0.3 1.3Y
Oct 01, 2015 DIST-A 5 5 1.6 1.4Y
Sep 01, 2015 DIST-A 5 5 1.64 1.4Y
Aug 01, 2015 DIST-A 5 5 2.1 1.4Y
Jul 01, 2015 DIST-A 5 5 1.55 1.4Y
Jun 01, 2015 DIST-A 5 5 2 1.4Y
May 01, 2015 DIST-A 5 5 1.4 1.3Y
Apr 01, 2015 DIST-A 5 5 1.25 1.4Y
Mar 01, 2015 DIST-A 5 5 1.2 1.3Y
Feb 01, 2015 DIST-A 5 5 1.11 1.3Y
Jan 01, 2015 DIST-A 5 5 0.55 1.4Y
Dec 01, 2014 DIST-A 5 5 1.25 1.5Y
Nov 01, 2014 DIST-A 5 5 1.5 1.6Y
Oct 01, 2014 DIST-A 5 5 1.03 1.5Y
Sep 01, 2014 DIST-A 5 5 1.7 1.5Y
Aug 01, 2014 DIST-A 5 5 1.75 1.4Y
Jul 01, 2014 DIST-A 5 5 1.7 1.3Y
Jun 01, 2014 DIST-A 5 5 1.75 1.2Y
May 01, 2014 DIST-A 5 5 1.48 1.1Y
Apr 01, 2014 DIST-A 5 5 0.26 1.1Y
Mar 01, 2014 DIST-A 5 5 1.73 1.1Y
Feb 01, 2014 DIST-A 5 5 1.86 1.0Y
Jan 01, 2014 DIST-A 5 5 2.2 0.9Y
Dec 01, 2013 DIST-A 5 5 1.72 0.7Y
Nov 01, 2013 DIST-A 5 5 1.01 0.6Y
Oct 01, 2013 DIST-A 5 5 0.78 0.6Y
Sep 01, 2013 DIST-A 5 5 0.36 0.5Y
Aug 01, 2013 DIST-A 5 5 0.48 0.6Y
Jul 01, 2013 DIST-A 5 5 0.94 0.6Y
Jun 01, 2013 DIST-A 5 5 0.84 0.5Y
May 01, 2013 DIST-A 5 5 0.55 0.5Y
Apr 01, 2013 DIST-A 5 5 0.87 0.5Y
Mar 01, 2013 DIST-A 5 5 0.62 0.5Y
Feb 01, 2013 DIST-A 5 5 0.51 0.5Y
Jan 01, 2013 DIST-A 5 5 0.23 0.5Y
Dec 01, 2012 DIST-A 5 5 0.18 0.6Y
Nov 01, 2012 DIST-A 5 5 0.56 0.6Y
Oct 01, 2012 DIST-A 5 5 0.36 0.6Y
Sep 01, 2012 DIST-A 5 5 0.72 0.5Y
Aug 01, 2012 DIST-A 5 5 0.37 0.5Y
Jul 01, 2012 DIST-A 5 5 0.4400 0.6Y
Jun 01, 2012 DIST-A 5 5 0.5300 0.6Y
May 01, 2012 DIST-A 5 5 0.7000 0.6Y
Apr 01, 2012 DIST-A 5 5 0.9300 0.6Y
Mar 01, 2012 DIST-A 5 5 0.8680 0.6Y
Feb 01, 2012 DIST-A 5 5 0.6400 0.6Y
Jan 01, 2012 DIST-A 5 5 0.3900 0.6Y
Dec 01, 2011 DIST-A 5 5 0.6500 0.6Y
Nov 01, 2011 DIST-A 5 5 0.0100 0.6Y
Oct 01, 2011 DIST-A 5 5 0.1840 0.7Y
Sep 01, 2011 DIST-A 5 5 0.5000 0.7Y
Aug 01, 2011 DIST-A 5 5 1.1000 0.7Y
Jul 01, 2011 DIST-A 5 5 0.5100 0.6Y
Jun 01, 2011 DIST-A 5 5 0.7400 0.7Y
May 01, 2011 DIST-A 5 5 0.8100 0.6Y
Apr 01, 2011 DIST-A 5 5 0.8900 0.6Y
Mar 01, 2011 DIST-A 5 5 0.6300 0.6Y
Feb 01, 2011 DIST-A 5 5 0.6100 0.6Y
Jan 01, 2011 DIST-A 5 5 0.8100 0.6Y
Dec 01, 2010 DIST-A 5 5 0.5600 0.6Y
Nov 01, 2010 DIST-A 5 5 0.5400 0.6Y
Oct 01, 2010 DIST-A 5 5 0.1600 0.6Y
Sep 01, 2010 DIST-A 5 5 0.5700 0.6Y
Aug 01, 2010 DIST-A 5 5 0.4500 0.6Y
Jul 01, 2010 DIST-A 5 5 1.0400 0.6Y
Jun 01, 2010 DIST-A 5 5 0.5600 0.6Y
May 01, 2010 DIST-A 5 5 0.8900 0.6Y
Apr 01, 2010 DIST-A 5 5 0.6200 0.6Y
Mar 01, 2010 DIST-A 5 5 0.5000 0.6Y
Feb 01, 2010 DIST-A 5 5 0.7000 0.6Y
Jan 01, 2010 DIST-A 5 5 0.5100 0.6Y
Dec 01, 2009 DIST-A 5 5 0.3900 0.6Y
Nov 01, 2009 DIST-A 5 5 0.5700 0.7Y
Oct 01, 2009 DIST-A 5 5 0.5700 0.7Y
Sep 01, 2009 DIST-A 5 5 0.6000 0.7Y
Aug 01, 2009 DIST-A 5 5 0.5900 0.7Y
Jul 01, 2009 DIST-A 5 5 0.4800 0.7Y
Jun 01, 2009 DIST-A 5 5 0.7300 0.7Y
May 01, 2009 DIST-A 5 5 0.4600 0.6Y
Apr 01, 2009 DIST-A 5 5 0.9000 0.6Y
Mar 01, 2009 DIST-A 5 5 0.8900 0.6Y
Feb 01, 2009 DIST-A 5 5 0.2900 0.5Y
Jan 01, 2009 DIST-A 5 5 1.1400 0.6Y
Dec 01, 2008 DIST-A 5 5 0.5900 0.5Y
Nov 01, 2008 DIST-A 5 5 0.5700 0.5Y
Oct 01, 2008 DIST-A 5 5 0.6500 0.5Y
Sep 01, 2008 DIST-A 5 5 0.5600 0.4Y
Aug 01, 2008 DIST-A 5 5 0.7100 0.4Y
Jul 01, 2008 DIST-A 5 5 0.4100 0.4Y
Jun 01, 2008 DIST-A 5 5 0.4900 0.4Y
May 01, 2008 DIST-A 5 5 0.2900 0.3Y
Apr 01, 2008 DIST-A 5 5 0.5200 0.3Y
Mar 01, 2008 DIST-A 5 5 0.2500 0.3Y
Feb 01, 2008 DIST-A 5 5 0.4600 0.3Y
Jan 01, 2008 DIST-A 5 5 0.3400 0.3Y
Dec 01, 2007 DIST-A 5 5 0.6700 0.3Y
Nov 01, 2007 DIST-A 5 5 0.0700 0.3Y
Oct 01, 2007 DIST-A 5 5 0.1900 0.3Y
Sep 01, 2007 DIST-A 5 5 0.1300 0.4Y
Aug 01, 2007 DIST-A 5 5 0.4600 0.4Y
Jul 01, 2007 DIST-A 5 5 0.3400 0.4Y
Jun 01, 2007 DIST-A 5 5 0.2800 0.4Y
May 01, 2007 DIST-A 5 5 0.4500 0.4Y
Apr 01, 2007 DIST-A 5 5 0.2000 0.5Y
Mar 01, 2007 DIST-A 5 5 0.2300 0.6Y
Feb 01, 2007 DIST-A 5 5 0.0200 0.6Y
Jan 01, 2007 DIST-A 5 5 0.4800 0.6Y
Dec 01, 2006 DIST-A 5 5 0.6300 0.6Y
Nov 01, 2006 DIST-A 5 5 0.5300 0.6Y
Oct 01, 2006 DIST-A 5 5 0.9200 0.6Y
Sep 01, 2006 DIST-A 5 5 0.0200 0.6Y
Aug 01, 2006 DIST-A 5 5 0.4000 0.6Y
Jul 01, 2006 DIST-A 5 5 0.0200 0.6Y
Jun 01, 2006 DIST-A 5 5 0.7500 0.6Y
May 01, 2006 DIST-A 5 5 1.2800 0.6Y
Apr 01, 2006 DIST-A 5 5 1.5600 0.5Y
Mar 01, 2006 DIST-A 5 5 0.7900 0.5Y
Feb 01, 2006 DIST-A 5 5 0.1800 0.4Y
Jan 01, 2006 DIST-A 5 5 0.4000 0.4Y
Dec 01, 2005 DIST-A 5 5 0.3400 0.5Y
Nov 01, 2005 DIST-A 5 5 0.5800 0.5Y
Oct 01, 2005 DIST-A 5 5 0.3800 0.5Y
Sep 01, 2005 DIST-A 5 5 0.2600 0.4Y
Aug 01, 2005 DIST-A 5 5 0.1900 0.5Y
Jul 01, 2005 DIST-A 5 5 0.8400 0.6Y
Jun 01, 2005 DIST-A 5 5 0.6100 0.5Y
May 01, 2005 DIST-A 5 5 0.3000 0.5Y
Apr 01, 2005 DIST-A 5 5 0.9200 0.5Y
Mar 01, 2005 DIST-A 5 5 0.1300 0.5Y
Feb 01, 2005 DIST-A 5 5 0.2900 0.5Y
Jan 01, 2005 DIST-A 5 5 0.7500 0.6Y
Dec 01, 2004 DIST-A 5 5 0.5600 0.5Y
Nov 01, 2004 DIST-A 5 5 0.3100 0.5Y
Oct 01, 2004 DIST-A 5 5 0.1000 0.6Y
Sep 01, 2004 DIST-A 5 5 0.9300 0.7Y
 




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