OHA Drinking Water Services
OR41
PWS ID: 00792 ---- SCAPPOOSE, 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, 2026 DIST-A 10 10 0.8 0.9Y
Jan 01, 2026 DIST-A 10 10 0.9 0.9Y
Dec 01, 2025 DIST-A 10 10 0.8 0.9Y
Nov 01, 2025 DIST-A 10 10 0.9 1.0Y
Oct 01, 2025 DIST-A 10 10 0.85 1.0Y
Sep 01, 2025 DIST-A 10 10 0.84 1.0Y
Aug 01, 2025 DIST-A 10 10 0.84 1.0Y
Jul 01, 2025 DIST-A 10 10 1.03 1.0Y
Jun 01, 2025 DIST-A 10 10 1.06 1.0Y
May 01, 2025 DIST-A 10 10 1 0.9Y
Apr 01, 2025 DIST-A 10 10 0.97 0.9Y
Mar 01, 2025 DIST-A 10 10 0.9 0.9Y
Feb 01, 2025 DIST-A 10 10 1.05 0.9Y
Jan 01, 2025 DIST-A 10 10 0.95 0.9Y
Dec 01, 2024 DIST-A 10 10 1.02 0.9Y
Nov 01, 2024 DIST-A 10 10 1 0.9Y
Oct 01, 2024 DIST-A 10 10 1.11 0.9Y
Sep 01, 2024 DIST-A 10 10 0.80 0.9Y
Aug 01, 2024 DIST-A 10 10 0.79 0.9Y
Jul 01, 2024 DIST-A 10 10 0.88 0.9Y
Jun 01, 2024 DIST-A 10 10 0.82 0.9Y
May 01, 2024 DIST-A 10 10 0.98 0.9Y
Apr 01, 2024 DIST-A 10 10 1 0.8Y
Mar 01, 2024 DIST-A 10 10 0.88 0.8Y
Feb 01, 2024 DIST-A 10 10 0.85 0.8Y
Jan 01, 2024 DIST-A 10 10 0.91 0.8Y
Dec 01, 2023 DIST-A 10 10 0.97 0.8Y
Nov 01, 2023 DIST-A 10 10 0.84 0.8Y
Oct 01, 2023 DIST-A 10 10 0.75 0.8Y
Sep 01, 2023 DIST-A 10 10 0.83 0.8Y
Aug 01, 2023 DIST-A 10 10 0.72 0.7Y
Jul 01, 2023 DIST-A 10 10 0.91 0.8Y
Jun 01, 2023 DIST-A 10 10 0.74 0.7Y
May 01, 2023 DIST-A 10 10 0.76 0.7Y
Apr 01, 2023 DIST-A 10 10 0.66 0.7Y
Mar 01, 2023 DIST-A 10 10 0.83 0.7Y
Feb 01, 2023 DIST-A 10 10 0.7 0.7Y
Jan 01, 2023 DIST-A 10 8 0.71 0.7Y
Dec 01, 2022 DIST-A 7 8 0.78 0.7Y
Nov 01, 2022 DIST-A 8 8 0.74 0.7Y
Oct 01, 2022 DIST-A 8 8 0.86 0.7Y
Sep 01, 2022 DIST-A 8 8 0.56 0.7Y
Aug 01, 2022 DIST-A 8 8 0.76 0.7Y
Jul 01, 2022 DIST-A 8 8 0.71 0.7Y
Jun 01, 2022 DIST-A 8 8 0.62 0.7Y
May 01, 2022 DIST-A 8 8 0.7 0.7Y
Apr 01, 2022 DIST-A 8 8 0.72 0.6Y
Mar 01, 2022 DIST-A 8 8 0.68 0.6Y
Feb 01, 2022 DIST-A 8 8 0.55 0.6Y
Jan 01, 2022 DIST-A 8 8 0.75 0.7Y
Dec 01, 2021 DIST-A 8 8 0.8 0.7Y
Nov 01, 2021 DIST-A 8 8 0.68 0.7Y
Oct 01, 2021 DIST-A 8 8 0.63 0.6Y
Sep 01, 2021 DIST-A 8 8 0.65 0.6Y
Aug 01, 2021 DIST-A 8 8 0.6 0.6Y
Jul 01, 2021 DIST-A 8 8 0.66 0.6Y
Jun 01, 2021 DIST-A 8 8 0.44 0.6Y
May 01, 2021 DIST-A 8 8 0.59 0.7Y
Apr 01, 2021 DIST-A 8 8 0.69 0.7Y
Mar 01, 2021 DIST-A 8 8 0.7 0.7Y
Feb 01, 2021 DIST-A 8 8 0.73 0.7Y
Jan 01, 2021 DIST-A 8 8 0.78 0.7Y
Dec 01, 2020 DIST-A 8 8 0.67 0.7Y
Nov 01, 2020 DIST-A 8 8 0.63 0.6Y
Oct 01, 2020 DIST-A 8 8 0.58 0.6Y
Sep 01, 2020 DIST-A 8 8 0.61 0.6Y
Aug 01, 2020 DIST-A 8 8 0.65 0.6Y
Jul 01, 2020 DIST-A 8 8 0.66 0.7Y
Jun 01, 2020 DIST-A 8 8 0.64 0.6Y
May 01, 2020 DIST-A 8 8 0.72 0.7Y
Apr 01, 2020 DIST-A 8 8 0.81 0.7Y
Mar 01, 2020 DIST-A 8 8 0.7 0.6Y
Feb 01, 2020 DIST-A 8 8 0.56 0.6Y
Jan 01, 2020 DIST-A 8 8 0.58 0.6Y
Dec 01, 2019 DIST-A 8 8 0.63 0.6Y
Nov 01, 2019 DIST-A 8 8 0.5 0.6Y
Oct 01, 2019 DIST-A 8 8 0.7 0.6Y
Sep 01, 2019 DIST-A 8 8 0.63 0.6Y
Aug 01, 2019 DIST-A 8 8 0.7 0.6Y
Jul 01, 2019 DIST-A 8 8 0.56 0.6Y
Jun 01, 2019 DIST-A 8 8 0.76 0.6Y
May 01, 2019 DIST-A 8 8 0.7 0.6Y
Apr 01, 2019 DIST-A 8 8 0.67 0.6Y
Mar 01, 2019 DIST-A 8 8 0.58 0.6Y
Feb 01, 2019 DIST-A 8 8 0.6 0.6Y
Jan 01, 2019 DIST-A 8 8 0.52 0.5Y
Dec 01, 2018 DIST-A 8 8 0.52 0.5Y
Nov 01, 2018 DIST-A 8 8 0.62 0.6Y
Oct 01, 2018 DIST-A 8 8 0.46 0.5Y
Sep 01, 2018 DIST-A 8 8 0.54 0.6Y
Aug 01, 2018 DIST-A 8 8 0.72 0.6Y
Jul 01, 2018 DIST-A 8 8 0.55 0.5Y
Jun 01, 2018 DIST-A 8 8 0.58 0.5Y
May 01, 2018 DIST-A 8 8 0.52 0.5Y
Apr 01, 2018 DIST-A 8 8 0.57 0.6Y
Mar 01, 2018 DIST-A 8 8 0.5 0.6Y
Feb 01, 2018 DIST-A 8 8 0.42 0.6Y
Jan 01, 2018 DIST-A 8 8 0.58 0.6Y
Dec 01, 2017 DIST-A 8 8 0.6 0.6Y
Nov 01, 2017 DIST-A 8 8 0.43 0.6Y
Oct 01, 2017 DIST-A 8 8 0.64 0.6Y
Sep 01, 2017 DIST-A 8 8 0.5 0.6Y
Aug 01, 2017 DIST-A 8 8 0.6 0.6Y
Jul 01, 2017 DIST-A 8 8 0.59 0.6Y
Jun 01, 2017 DIST-A 8 8 0.61 0.6Y
May 01, 2017 DIST-A 8 8 0.6 0.6Y
Apr 01, 2017 DIST-A 8 8 0.6 0.6Y
Mar 01, 2017 DIST-A 8 8 0.5 0.6Y
Feb 01, 2017 DIST-A 8 8 0.5 0.6Y
Jan 01, 2017 DIST-A 8 8 0.5 0.6Y
Dec 01, 2016 DIST-A 8 8 0.58 0.6Y
Nov 01, 2016 DIST-A 8 8 0.53 0.6Y
Oct 01, 2016 DIST-A 8 8 0.5 0.6Y
Sep 01, 2016 DIST-A 8 8 0.6 0.6Y
Aug 01, 2016 DIST-A 8 8 0.59 0.6Y
Jul 01, 2016 DIST-A 8 8 0.65 0.6Y
Jun 01, 2016 DIST-A 8 8 0.7 0.6Y
May 01, 2016 DIST-A 8 8 0.7 0.6Y
Apr 01, 2016 DIST-A 8 8 0.5 0.6Y
Mar 01, 2016 DIST-A 8 8 0.56 0.6Y
Feb 01, 2016 DIST-A 8 8 0.65 0.6Y
Jan 01, 2016 DIST-A 8 8 0.6 0.6Y
Dec 01, 2015 DIST-A 8 8 0.7 0.6Y
Nov 01, 2015 DIST-A 8 8 0.6 0.6Y
Oct 01, 2015 DIST-A 8 8 0.7 0.6Y
Sep 01, 2015 DIST-A 8 8 0.6 0.6Y
Aug 01, 2015 DIST-A 8 8 0.63 0.6Y
Jul 01, 2015 DIST-A 8 8 0.5 0.6Y
Jun 01, 2015 DIST-A 8 8 0.55 0.6Y
May 01, 2015 DIST-A 8 8 0.7 0.6Y
Apr 01, 2015 DIST-A 8 8 0.74 0.6Y
Mar 01, 2015 DIST-A 8 8 0.7 0.6Y
Feb 01, 2015 DIST-A 8 8 0.6 0.5Y
Jan 01, 2015 DIST-A 8 9 0.6 0.5Y
Dec 01, 2014 DIST-A 8 8 0.6 0.5Y
Nov 01, 2014 DIST-A 8 8 0.6 0.5Y
Oct 01, 2014 DIST-A 8 8 0.6 0.5Y
Sep 01, 2014 DIST-A 8 8 0.6 0.5Y
Aug 01, 2014 DIST-A 8 8 0.3 0.5Y
Jul 01, 2014 DIST-A 8 8 0.6 0.5Y
Jun 01, 2014 DIST-A 8 8 0.45 0.5Y
May 01, 2014 DIST-A 8 8 0.5 0.5Y
Apr 01, 2014 DIST-A 8 8 0.58 0.5Y
Mar 01, 2014 DIST-A 8 8 0.5 0.5Y
Feb 01, 2014 DIST-A 8 8 0.5 0.5Y
Jan 01, 2014 DIST-A 8 8 0.6 0.6Y
Dec 01, 2013 DIST-A 8 8 0.7 0.6Y
Nov 01, 2013 DIST-A 8 8 0.5 0.5Y
Oct 01, 2013 DIST-A 8 8 0.5 0.6Y
Sep 01, 2013 DIST-A 8 8 0.49 0.6Y
Aug 01, 2013 DIST-A 7 8 0.5 0.6Y
Jul 01, 2013 DIST-A 7 8 0.5 0.6Y
Jun 01, 2013 DIST-A 7 8 0.6 0.6Y
May 01, 2013 DIST-A 7 8 0.6 0.6Y
Apr 01, 2013 DIST-A 7 8 0.6 0.6Y
Mar 01, 2013 DIST-A 7 8 0.5 0.5Y
Feb 01, 2013 DIST-A 7 8 0.6 0.6Y
Jan 01, 2013 DIST-A 7 8 0.6 0.6Y
Dec 01, 2012 DIST-A 7 8 0.6 0.5Y
Nov 01, 2012 DIST-A 7 8 0.6 0.5Y
Oct 01, 2012 DIST-A 7 8 0.5 0.5Y
Sep 01, 2012 DIST-A 7 8 0.5 0.5Y
Aug 01, 2012 DIST-A 7 8 0.5 0.5Y
Jul 01, 2012 DIST-A 7 8 0.6 0.5Y
Jun 01, 2012 DIST-A 7 8 0.5 0.5Y
May 01, 2012 DIST-A 7 8 0.6 0.5Y
Apr 01, 2012 DIST-A 7 8 0.5 0.5Y
Mar 01, 2012 DIST-A 7 8 0.6 0.6Y
Feb 01, 2012 DIST-A 7 8 0.5 0.6Y
Jan 01, 2012 DIST-A 7 8 0.5 0.5Y
Dec 01, 2011 DIST-A 7 8 0.5 0.5Y
Nov 01, 2011 DIST-A 7 8 0.4 0.6Y
Oct 01, 2011 DIST-A 7 6 0.4833 0.6Y
Sep 01, 2011 DIST-A 7 6 0.5667 0.5Y
Aug 01, 2011 DIST-A 7 8 0.5875 0.5Y
Jul 01, 2011 DIST-A 7 8 0.6100 0.5Y
Jun 01, 2011 DIST-A 7 8 0.6 0.5Y
May 01, 2011 DIST-A 7 8 0.5975 0.5Y
Apr 01, 2011 DIST-A 7 6 0.6967 0.5Y
Mar 01, 2011 DIST-A 7 8 0.5988 0.5Y
Feb 01, 2011 DIST-A 7 8 0.4250 0.5Y
Jan 01, 2011 DIST-A 7 8 0.5 0.5Y
Dec 01, 2010 DIST-A 7 8 0.6 0.5Y
Nov 01, 2010 DIST-A 7 8 0.4 0.4Y
Oct 01, 2010 DIST-A 7 8 0.4 0.5Y
Sep 01, 2010 DIST-A 7 9 0.4 0.5Y
Aug 01, 2010 DIST-A 7 8 0.4 0.5Y
Jul 01, 2010 DIST-A 7 8 0.5 0.5Y
Jun 01, 2010 DIST-A 7 8 0.5 0.5Y
May 01, 2010 DIST-A 7 8 0.52 0.5Y
Apr 01, 2010 DIST-A 7 6 0.45 0.4Y
Mar 01, 2010 DIST-A 7 8 0.43 0.4Y
Feb 01, 2010 DIST-A 7 8 0.4 0.4Y
Jan 01, 2010 DIST-A 7 8 0.4 0.4Y
Dec 01, 2009 DIST-A 7 10 0.5 0.4Y
Nov 01, 2009 DIST-A 7 8 0.5 0.4Y
Oct 01, 2009 DIST-A 7 8 0.5 0.4Y
Sep 01, 2009 DIST-A 7 8 0.4 0.4Y
Aug 01, 2009 DIST-A 7 8 0.5 0.4Y
Jul 01, 2009 DIST-A 7 7 0.4 0.4Y
Jun 01, 2009 DIST-A 7 8 0.4 0.4Y
May 01, 2009 DIST-A 7 7 0.4Y
Apr 01, 2009 DIST-A 7 10 0.4 0.4Y
Mar 01, 2009 DIST-A 7 8 0.5 0.4Y
Feb 01, 2009 DIST-A 7 8 0.5 0.4Y
Jan 01, 2009 DIST-A 7 8 0.4 0.4Y
Dec 01, 2008 DIST-A 7 8 0.5250 0.4Y
Nov 01, 2008 DIST-A 7 7 0.4Y
Oct 01, 2008 DIST-A 7 10 0.4 0.4Y
Sep 01, 2008 DIST-A 7 8 0.4 0.4Y
Aug 01, 2008 DIST-A 7 8 0.6 0.5Y
Jul 01, 2008 DIST-A 10 11 0.5 0.5Y
Jun 01, 2008 DIST-A 7 7 0.5Y
May 01, 2008 DIST-A 7 8 0.3 0.5Y
Apr 01, 2008 DIST-A 7 8 0.5 0.5Y
Mar 01, 2008 DIST-A 7 8 0.4 0.5Y
Feb 01, 2008 DIST-A 7 8 0.5 0.5Y
Jan 01, 2008 DIST-A 7 8 0.5 0.5Y
Dec 01, 2007 DIST-A 7 7 0.6 0.5Y
Nov 01, 2007 DIST-A 7 10 0.5 0.5Y
Oct 01, 2007 DIST-A 7 8 0.5 0.5Y
Sep 01, 2007 DIST-A 7 8 0.5 0.5Y
Aug 01, 2007 DIST-A 7 8 0.6 0.5Y
Jul 01, 2007 DIST-A 7 8 0.5 0.5Y
Jun 01, 2007 DIST-A 7 8 0.5 0.4Y
May 01, 2007 DIST-A 7 10 0.5 0.4Y
Apr 01, 2007 DIST-A 7 8 0.5 0.4Y
Mar 01, 2007 DIST-A 6 10 0.4 0.4Y
Feb 01, 2007 DIST-A 6 8 0.5 0.4Y
Jan 01, 2007 DIST-A 6 8 0.4 0.4Y
Dec 01, 2006 DIST-A 6 8 0.5 0.4Y
Nov 01, 2006 DIST-A 6 8 0.4 0.4Y
Oct 01, 2006 DIST-A 6 6 0.4 0.4Y
Sep 01, 2006 DIST-A 6 6 0.5 0.4Y
Aug 01, 2006 DIST-A 6 8 0.4 0.4Y
Jul 01, 2006 DIST-A 6 8 0.4 0.4Y
Jun 01, 2006 DIST-A 6 8 0.3 0.4Y
May 01, 2006 DIST-A 6 8 0.5 0.5Y
Apr 01, 2006 DIST-A 6 6 0.5 0.5Y
Mar 01, 2006 DIST-A 6 7 0.5 0.5Y
Feb 01, 2006 DIST-A 6 8 0.4 0.5Y
Jan 01, 2006 DIST-A 6 8 0.4 0.5Y
Dec 01, 2005 DIST-A 6 6 0.4 0.5Y
Nov 01, 2005 DIST-A 6 5 0.5 0.5Y
Oct 01, 2005 DIST-A 6 6 0.4 0.5Y
Sep 01, 2005 DIST-A 6 8 0.4 0.5Y
Aug 01, 2005 DIST-A 6 6 0.4 0.5Y
Jul 01, 2005 DIST-A 6 8 0.5 0.5Y
Jun 01, 2005 DIST-A 6 8 0.5 0.6Y
May 01, 2005 DIST-A 6 8 0.6 0.6Y
Apr 01, 2005 DIST-A 6 6 0.5 0.5Y
Mar 01, 2005 DIST-A 6 8 0.5 0.6Y
Feb 01, 2005 DIST-A 6 8 0.4 0.6Y
Jan 01, 2005 DIST-A 6 8 0.6 0.6Y
Dec 01, 2004 DIST-A 6 8 0.5 0.6Y
Nov 01, 2004 DIST-A 6 8 0.6 0.6Y
Oct 01, 2004 DIST-A 6 8 0.6 0.6Y
Sep 01, 2004 DIST-A 6 8 0.6 0.6Y