OHA Drinking Water Services
OR41
PWS ID: 00507 ---- MAPLETON 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
Mar 01, 2026 DIST-A 1 1 1.32 1.2Y
Feb 01, 2026 DIST-A 1 1 1.13 1.2Y
Jan 01, 2026 DIST-A 1 1 2.14 1.2Y
Dec 01, 2025 DIST-A 1 1 1.08 1.2Y
Nov 01, 2025 DIST-A 1 1 1.67 1.2Y
Oct 01, 2025 DIST-A 1 1 1.34 1.1Y
Sep 01, 2025 DIST-A 1 1 1.53 1.0Y
Aug 01, 2025 DIST-A 1 1 1.17 0.9Y
Jul 01, 2025 DIST-A 1 1 0.57 0.9Y
Jun 01, 2025 DIST-A 1 1 1 0.9Y
May 01, 2025 DIST-A 1 1 0.79 0.8Y
Apr 01, 2025 DIST-A 1 1 1.14 0.9Y
Mar 01, 2025 DIST-A 1 1 0.92 0.9Y
Feb 01, 2025 DIST-A 1 1 1.2 1.0Y
Jan 01, 2025 DIST-A 1 1 1.49 1.0Y
Dec 01, 2024 DIST-A 1 1 1.31 1.0Y
Nov 01, 2024 DIST-A 1 1 0.4 0.9Y
Oct 01, 2024 DIST-A 1 1 0.65 0.9Y
Sep 01, 2024 DIST-A 1 2 0.64 0.9Y
Aug 01, 2024 DIST-A 1 2 0.5 0.9Y
Jul 01, 2024 DIST-A 1 2 0.6 0.9Y
Jun 01, 2024 DIST-A 1 2 0.52 0.9Y
May 01, 2024 DIST-A 1 2 1.0 0.9Y
Apr 01, 2024 DIST-A 1 2 1.92 0.9Y
Mar 01, 2024 DIST-A 1 1 1.86 0.8Y
Feb 01, 2024 DIST-A 1 2 1.20 0.8Y
Jan 01, 2024 DIST-A 1 2 1.10 0.8Y
Dec 01, 2023 DIST-A 1 2 0.57 0.8Y
Nov 01, 2023 DIST-A 1 2 0.57 0.9Y
Oct 01, 2023 DIST-A 1 1 0.71 0.9Y
Sep 01, 2023 DIST-A 1 1 0.53 0.9Y
Aug 01, 2023 DIST-A 1 1 0.52 1.0Y
Jul 01, 2023 DIST-A 1 1 0.48 1.0Y
Jun 01, 2023 DIST-A 1 1 0.62 1.0Y
Apr 01, 2023 DIST-A 1 1 0.68 1.0Y
Mar 01, 2023 DIST-A 1 1 1.36 1.1Y
Feb 01, 2023 DIST-A 1 1 1.36 1.1Y
Jan 01, 2023 DIST-A 1 1 1.09 1.1Y
Dec 01, 2022 DIST-A 1 1 1.57 1.2Y
Nov 01, 2022 DIST-A 1 1 0.71 1.2Y
Oct 01, 2022 DIST-A 1 1 1.43 1.3Y
Sep 01, 2022 DIST-A 1 1 0.88 1.2Y
Aug 01, 2022 DIST-A 1 1 1.18 1.2Y
Jul 01, 2022 DIST-A 1 1 0.36 1.2Y
Jun 01, 2022 DIST-A 1 1 0.41 1.2Y
May 01, 2022 DIST-A 1 1 1.16 1.2Y
Apr 01, 2022 DIST-A 1 1 1.51 1.2Y
Mar 01, 2022 DIST-A 1 1 1.74 1.1Y
Feb 01, 2022 DIST-A 1 1 1.56 1.0Y
Jan 01, 2022 DIST-A 1 1 1.71 0.9Y
Dec 01, 2021 DIST-A 1 1 1.97 0.9Y
Nov 01, 2021 DIST-A 1 5 1.14 0.8Y
Oct 01, 2021 DIST-A 1 1 0.54 0.8Y
Sep 01, 2021 DIST-A 1 1 1.47 0.8Y
Aug 01, 2021 DIST-A 1 1 0.81 0.8Y
Jul 01, 2021 DIST-A 1 1 0.15 0.8Y
Jun 01, 2021 DIST-A 1 1 0.83 0.8Y
May 01, 2021 DIST-A 1 1 0.48 0.8Y
Apr 01, 2021 DIST-A 1 1 0.64 0.9Y
Mar 01, 2021 DIST-A 1 1 0.3 0.9Y
Feb 01, 2021 DIST-A 1 1 0.8 1.0Y
Jan 01, 2021 DIST-A 1 1 1.1 1.1Y
Dec 01, 2020 DIST-A 1 3 1.5 1.1Y
Nov 01, 2020 DIST-A 1 1 0.4 1.1Y
Oct 01, 2020 DIST-A 1 1 1.2 1.1Y
Sep 01, 2020 DIST-A 1 1 0.9 1.1Y
Aug 01, 2020 DIST-A 1 1 0.8 1.1Y
Jul 01, 2020 DIST-A 1 1 1.2 1.0Y
Jun 01, 2020 DIST-A 1 1 0.74 1.0Y
May 01, 2020 DIST-A 1 1 0.8 1.1Y
Apr 01, 2020 DIST-A 1 1 1.6 1.1Y
Mar 01, 2020 DIST-A 1 1 1.1 1.1Y
Feb 01, 2020 DIST-A 1 1 1.5 1.1Y
Jan 01, 2020 DIST-A 1 1 1 1.0Y
Dec 01, 2019 DIST-A 1 1 1.6 1.0Y
Nov 01, 2019 DIST-A 1 1 0.3 1.0Y
Oct 01, 2019 DIST-A 1 1 1.4 0.9Y
Sep 01, 2019 DIST-A 1 1 1.2 0.8Y
Aug 01, 2019 DIST-A 1 1 0.02 0.8Y
Jul 01, 2019 DIST-A 1 1 1.1 0.8Y
Jun 01, 2019 DIST-A 1 1 1.3 0.8Y
May 01, 2019 DIST-A 1 1 1.4 0.9Y
Apr 01, 2019 DIST-A 1 1 1.1 0.9Y
Mar 01, 2019 DIST-A 1 1 1.4 0.8Y
Feb 01, 2019 DIST-A 1 1 0.5 0.8Y
Jan 01, 2019 DIST-A 1 1 0.3 0.9Y
Dec 01, 2018 DIST-A 1 1 1.4 0.9Y
Nov 01, 2018 DIST-A 1 1 0.21 0.8Y
Oct 01, 2018 DIST-A 1 1 0.02 0.8Y
Sep 01, 2018 DIST-A 1 1 1.1 0.9Y
Aug 01, 2018 DIST-A 1 1 0.2 0.8Y
Jul 01, 2018 DIST-A 1 1 1.2 0.9Y
Jun 01, 2018 DIST-A 1 1 1.4 0.8Y
May 01, 2018 DIST-A 1 1 1.4 0.8Y
Apr 01, 2018 DIST-A 1 1 0.8 0.8Y
Mar 01, 2018 DIST-A 1 1 1.4 0.8Y
Feb 01, 2018 DIST-A 1 1 1 0.8Y
Jan 01, 2018 DIST-A 1 1 0.7 0.8Y
Dec 01, 2017 DIST-A 1 1 0.4 0.9Y
Nov 01, 2017 DIST-A 1 1 0.03 0.9Y
Oct 01, 2017 DIST-A 1 1 0.8 1.0Y
Aug 01, 2017 DIST-A 1 1 0.4 1.0Y
Jul 01, 2017 DIST-A 1 1 0.8 1.0Y
Jun 01, 2017 DIST-A 1 1 0.9 1.0Y
May 01, 2017 DIST-A 1 1 1.2 1.0Y
Apr 01, 2017 DIST-A 1 1 1 0.9Y
Mar 01, 2017 DIST-A 1 1 1.5 1.0Y
Feb 01, 2017 DIST-A 1 1 1.4 0.9Y
Jan 01, 2017 DIST-A 1 1 1.4 0.9Y
Dec 01, 2016 DIST-A 1 1 0.2 0.9Y
Nov 01, 2016 DIST-A 1 1 1.9 1.0Y
Oct 01, 2016 DIST-A 1 1 0.5 0.8Y
Aug 01, 2016 DIST-A 1 1 0.02 0.9Y
Jul 01, 2016 DIST-A 1 1 0.9 0.9Y
Jun 01, 2016 DIST-A 1 1 0.9 0.9Y
May 01, 2016 DIST-A 1 1 0.5 0.9Y
Apr 01, 2016 DIST-A 1 1 1.4 0.9Y
Mar 01, 2016 DIST-A 1 1 1 0.9Y
Feb 01, 2016 DIST-A 1 1 1.4 0.9Y
Jan 01, 2016 DIST-A 1 1 1.7 0.9Y
Dec 01, 2015 DIST-A 1 1 0.6 0.8Y
Nov 01, 2015 DIST-A 1 1 0.2 0.8Y
Oct 01, 2015 DIST-A 1 1 0.8 0.8Y
Aug 01, 2015 DIST-A 1 1 0.8 0.7Y
Jul 01, 2015 DIST-A 1 1 0.9 0.7Y
Jun 01, 2015 DIST-A 1 1 0.8 0.6Y
May 01, 2015 DIST-A 1 1 0.5 0.6Y
Apr 01, 2015 DIST-A 1 1 0.9 0.6Y
Mar 01, 2015 DIST-A 1 1 1.5 0.6Y
Feb 01, 2015 DIST-A 1 1 1 0.6Y
Jan 01, 2015 DIST-A 1 1 0.4 0.6Y
Dec 01, 2014 DIST-A 1 1 0.6 0.6Y
Nov 01, 2014 DIST-A 1 1 0.8 0.7Y
Oct 01, 2014 DIST-A 1 1 0.2 0.7Y
Sep 01, 2014 DIST-A 1 1 0.3 0.8Y
Aug 01, 2014 DIST-A 1 1 0.3 0.9Y
Jul 01, 2014 DIST-A 1 1 0.2 0.9Y
Jun 01, 2014 DIST-A 1 1 0.4 1.0Y
May 01, 2014 DIST-A 1 1 1.2 1.1Y
Mar 01, 2014 DIST-A 1 1 1 1.0Y
Feb 01, 2014 DIST-A 1 1 0.9 1.0Y
Dec 01, 2013 DIST-A 1 1 1.6 1.0Y
Nov 01, 2013 DIST-A 1 1 1.4 0.9Y
Oct 01, 2013 DIST-A 1 1 0.5 0.9Y
Sep 01, 2013 DIST-A 1 1 1.1 0.8Y
Aug 01, 2013 DIST-A 1 1 0.9 0.7Y
Jul 01, 2013 DIST-A 1 1 0.8 0.7Y
Jun 01, 2013 DIST-A 1 1 1.3 0.7Y
May 01, 2013 DIST-A 1 1 0.3 0.6Y
Apr 01, 2013 DIST-A 1 1 1.1 0.6Y
Mar 01, 2013 DIST-A 1 1 1.3 0.7Y
Feb 01, 2013 DIST-A 1 1 0.4 0.6Y
Jan 01, 2013 DIST-A 1 1 1.3 0.7Y
Dec 01, 2012 DIST-A 1 1 0.9 0.7Y
Nov 01, 2012 DIST-A 1 1 0.4 0.6Y
Oct 01, 2012 DIST-A 1 1 0.02 0.6Y
Sep 01, 2012 DIST-A 1 1 0.2 0.7Y
Aug 01, 2012 DIST-A 1 1 0.2 0.8Y
Jul 01, 2012 DIST-A 1 1 0.5 0.8Y
Jun 01, 2012 DIST-A 1 1 0.2000 0.9Y
May 01, 2012 DIST-A 1 1 0.9000 0.8Y
Apr 01, 2012 DIST-A 1 1 1.8000 0.8Y
Mar 01, 2012 DIST-A 1 1 0.7000 0.8Y
Feb 01, 2012 DIST-A 1 1 1.2000 0.9Y
Jan 01, 2012 DIST-A 1 1 1.4000 0.9Y
Dec 01, 2011 DIST-A 1 1 0.2000 0.9Y
Nov 01, 2011 DIST-A 1 1 0.4000 1.0Y
Oct 01, 2011 DIST-A 1 1 1.1000 1.0Y
Sep 01, 2011 DIST-A 1 1 1.0000 0.9Y
Aug 01, 2011 DIST-A 1 1 0.2000 0.9Y
Jul 01, 2011 DIST-A 1 1 1.3000 0.9Y
Jun 01, 2011 DIST-A 1 1 0 0.9Y
May 01, 2011 DIST-A 1 1 0.8000 1.0Y
Apr 01, 2011 DIST-A 1 1 1.3000 1.0Y
Mar 01, 2011 DIST-A 1 1 1.5000 1.0Y
Feb 01, 2011 DIST-A 1 1 1.5000 1.0Y
Jan 01, 2011 DIST-A 1 1 1.6000 0.9Y
Dec 01, 2010 DIST-A 1 1 1.5000 0.8Y
Nov 01, 2010 DIST-A 1 1 0.2000 0.8Y
Oct 01, 2010 DIST-A 1 1 0.2000 0.8Y
Sep 01, 2010 DIST-A 1 1 0.9000 0.8Y
Aug 01, 2010 DIST-A 1 1 0.6000 0.8Y
Jul 01, 2010 DIST-A 1 1 1.1000 0.8Y
Jun 01, 2010 DIST-A 1 1 1.3000 0.8Y
May 01, 2010 DIST-A 1 1 0.7000 0.7Y
Apr 01, 2010 DIST-A 1 1 0.9000 0.7Y
Mar 01, 2010 DIST-A 1 1 1.1000 0.7Y
Feb 01, 2010 DIST-A 1 1 0.6000 0.7Y
Jan 01, 2010 DIST-A 1 1 0.6000 0.7Y
Dec 01, 2009 DIST-A 1 1 1.3000 1Y
Nov 01, 2009 DIST-A 1 1 0.3000 1Y
Oct 01, 2009 DIST-A 1 1 0.5000 1Y
Sep 01, 2009 DIST-A 1 1 1.1000 1Y
Aug 01, 2009 DIST-A 1 1 0.4000 1Y
Jul 01, 2009 DIST-A 1 1 0.4000 1Y
Jun 01, 2009 DIST-A 1 1 1.0000 1Y
May 01, 2009 DIST-A 1 1 0Y
Apr 01, 2009 DIST-A 5 5 0.8000 0Y
Mar 01, 2009 DIST-A 5 5 1.0600 0Y
Feb 01, 2009 DIST-A 1 1 0.6000 0Y
Jan 01, 2009 DIST-A 1 1 0.8000 0Y
Dec 01, 2008 DIST-A 1 1 0Y
Nov 01, 2008 DIST-A 1 1 0.6000 1Y
Oct 01, 2008 DIST-A 1 1 0.3000 1Y
Sep 01, 2008 DIST-A 1 1 0.3000 0Y
Aug 01, 2008 DIST-A 1 1 0.5000 1Y
Jul 01, 2008 DIST-A 1 1 0.2000 1Y
Jun 01, 2008 DIST-A 1 1 1Y
May 01, 2008 DIST-A 1 1 0.0300 1Y
Apr 01, 2008 DIST-A 1 1 0.5000 1Y
Mar 01, 2008 DIST-A 1 1 1.0000 1Y
Feb 01, 2008 DIST-A 1 1 0.5000 1Y
Jan 01, 2008 DIST-A 1 1 1.2000 1Y
Dec 01, 2007 DIST-A 1 1 1.3000 1Y
Nov 01, 2007 DIST-A 1 1 0.2200 1Y
Oct 01, 2007 DIST-A 1 1 0.2000 1Y
Sep 01, 2007 DIST-A 1 1 1.0000 1Y
Aug 01, 2007 DIST-A 1 1 1.1000 1Y
Jul 01, 2007 DIST-A 1 1 0.5000 1Y
Jun 01, 2007 DIST-A 1 1 0.2000 1Y
May 01, 2007 DIST-A 1 1 0.6000 1Y
Apr 01, 2007 DIST-A 1 1 0.6000 1Y
Mar 01, 2007 DIST-A 1 2 0.9800 1Y
Feb 01, 2007 DIST-A 1 1 0.9000 1Y
Jan 01, 2007 DIST-A 1 1 0.8000 1Y
Dec 01, 2006 DIST-A 1 1 1.2000 1Y
Nov 01, 2006 DIST-A 1 1 0.4000 1Y
Oct 01, 2006 DIST-A 1 1 0.2000 1Y
Sep 01, 2006 DIST-A 1 1 0.4000 1Y
Aug 01, 2006 DIST-A 1 1 0.2000 1Y
Jul 01, 2006 DIST-A 1 1 0.5000 1Y
Jun 01, 2006 DIST-A 1 1 1.0000 1Y
May 01, 2006 DIST-A 1 1 0.5000 1Y
Apr 01, 2006 DIST-A 1 1 0.6000 1Y
Mar 01, 2006 DIST-A 1 1 0.8000 1Y
Feb 01, 2006 DIST-A 1 1 0.8000 1Y
Jan 01, 2006 DIST-A 1 1 1.0000 1Y
Dec 01, 2005 DIST-A 1 1 1.4000 1Y
Nov 01, 2005 DIST-A 1 1 1.7000 1Y
Oct 01, 2005 DIST-A 1 1 0.2000 1Y
Sep 01, 2005 DIST-A 1 1 0.9000 1Y
Aug 01, 2005 DIST-A 1 1 1.2000 1Y
Jul 01, 2005 DIST-A 1 1 1.1000 1Y
Jun 01, 2005 DIST-A 1 1 0.4000 1Y
May 01, 2005 DIST-A 1 1 0.5000 1Y
Apr 01, 2005 DIST-A 1 1 0.4000 1Y
Mar 01, 2005 DIST-A 1 1 0.8000 1Y
Feb 01, 2005 DIST-A 1 1 0.3000 0Y
Jan 01, 2005 DIST-A 1 1 0.5000 1Y
Dec 01, 2004 DIST-A 1 1 0.7000 1Y
Nov 01, 2004 DIST-A 1 1 0.0400 0Y
Oct 01, 2004 DIST-A 1 1 0.5000 1Y
Sep 01, 2004 DIST-A 1 1 0.9000 1Y