OHA Drinking Water Services
OR41
PWS ID: 00399 ---- INDEPENDENCE 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
Feb 01, 2026 DIST-A 10 11 0.5 0.6Y
Jan 01, 2026 DIST-A 10 12 0.6 0.6Y
Dec 01, 2025 DIST-A 10 15 0.5 0.6Y
Nov 01, 2025 DIST-A 10 12 0.5 0.6Y
Oct 01, 2025 DIST-A 10 15 0.6 0.6Y
Sep 01, 2025 DIST-A 10 12 0.6 0.6Y
Aug 01, 2025 DIST-A 10 12 0.6 0.6Y
Jul 01, 2025 DIST-A 10 15 0.6 0.6Y
Jun 01, 2025 DIST-A 10 12 0.6 0.6Y
May 01, 2025 DIST-A 10 12 0.6 0.6Y
Apr 01, 2025 DIST-A 10 15 0.6 0.6Y
Mar 01, 2025 DIST-A 10 12 0.6 0.6Y
Feb 01, 2025 DIST-A 10 12 0.6 0.6Y
Jan 01, 2025 DIST-A 10 12 0.6 0.6Y
Dec 01, 2024 DIST-A 10 16 0.6 0.6Y
Nov 01, 2024 DIST-A 10 13 0.6 0.6Y
Oct 01, 2024 DIST-A 10 15 0.6 0.6Y
Sep 01, 2024 DIST-A 10 12 0.6 0.6Y
Aug 01, 2024 DIST-A 10 12 0.6 0.6Y
Jul 01, 2024 DIST-A 10 15 0.6 0.6Y
Jun 01, 2024 DIST-A 10 12 0.7 0.6Y
May 01, 2024 DIST-A 10 15 0.6 0.6Y
Apr 01, 2024 DIST-A 10 12 0.6 0.6Y
Mar 01, 2024 DIST-A 10 12 0.6 0.6Y
Feb 01, 2024 DIST-A 10 12 0.6 0.6Y
Jan 01, 2024 DIST-A 10 15 0.6 0.6Y
Dec 01, 2023 DIST-A 10 12 0.6 0.6Y
Nov 01, 2023 DIST-A 10 13 0.7 0.6Y
Oct 01, 2023 DIST-A 10 15 0.6 0.6Y
Sep 01, 2023 DIST-A 10 12 0.6 0.6Y
Aug 01, 2023 DIST-A 10 15 0.6 0.6Y
Jul 01, 2023 DIST-A 10 12 0.6 0.6Y
Jun 01, 2023 DIST-A 10 12 0.6 0.6Y
May 01, 2023 DIST-A 10 15 0.5 0.6Y
Apr 01, 2023 DIST-A 10 12 0.6 0.6Y
Mar 01, 2023 DIST-A 10 15 0.6 0.5Y
Feb 01, 2023 DIST-A 10 12 0.6 0.5Y
Jan 01, 2023 DIST-A 10 12 0.5 0.5Y
Dec 01, 2022 DIST-A 10 12 0.6 0.5Y
Nov 01, 2022 DIST-A 10 15 0.6 0.5Y
Oct 01, 2022 DIST-A 10 12 0.6 0.5Y
Sep 01, 2022 DIST-A 10 12 0.6 0.5Y
Aug 01, 2022 DIST-A 10 15 0.5 0.5Y
Jul 01, 2022 DIST-A 10 12 0.5 0.5Y
Jun 01, 2022 DIST-A 10 15 0.5 0.5Y
May 01, 2022 DIST-A 10 12 0.5 0.5Y
Apr 01, 2022 DIST-A 10 12 0.5 0.5Y
Mar 01, 2022 DIST-A 10 15 0.5 0.5Y
Feb 01, 2022 DIST-A 10 16 0.5 0.4Y
Jan 01, 2022 DIST-A 10 12 0.4 0.4Y
Dec 01, 2021 DIST-A 10 15 0.5 0.5Y
Nov 01, 2021 DIST-A 10 12 0.4 0.4Y
Oct 01, 2021 DIST-A 10 12 0.5 0.4Y
Sep 01, 2021 DIST-A 10 15 0.5 0.4Y
Aug 01, 2021 DIST-A 10 12 0.4 0.4Y
Jul 01, 2021 DIST-A 10 12 0.5 0.4Y
Jun 01, 2021 DIST-A 10 15 0.4 0.4Y
May 01, 2021 DIST-A 10 12 0.4 0.4Y
Apr 01, 2021 DIST-A 10 12 0.5 0.4Y
Mar 01, 2021 DIST-A 10 15 0.4 0.4Y
Feb 01, 2021 DIST-A 10 12 0.4 0.4Y
Jan 01, 2021 DIST-A 10 12 0.5 0.4Y
Dec 01, 2020 DIST-A 10 15 0.4 0.4Y
Nov 01, 2020 DIST-A 10 12 0.4 0.4Y
Oct 01, 2020 DIST-A 10 12 0.4 0.4Y
Sep 01, 2020 DIST-A 10 15 0.4 0.4Y
Aug 01, 2020 DIST-A 10 12 0.5 0.4Y
Jul 01, 2020 DIST-A 10 15 0.4 0.4Y
Jun 01, 2020 DIST-A 10 12 0.4 0.4Y
May 01, 2020 DIST-A 10 12 0.4 0.5Y
Apr 01, 2020 DIST-A 10 15 0.5 0.5Y
Mar 01, 2020 DIST-A 10 12 0.4 0.5Y
Feb 01, 2020 DIST-A 10 12 0.4 0.5Y
Jan 01, 2020 DIST-A 10 12 0.5 0.5Y
Dec 01, 2019 DIST-A 10 14 0.4 0.5Y
Nov 01, 2019 DIST-A 10 12 0.4 0.5Y
Oct 01, 2019 DIST-A 10 15 0.4 0.5Y
Sep 01, 2019 DIST-A 10 12 0.5 0.5Y
Aug 01, 2019 DIST-A 10 12 0.5 0.5Y
Jul 01, 2019 DIST-A 10 15 0.5 0.5Y
Jun 01, 2019 DIST-A 10 12 0.5 0.5Y
May 01, 2019 DIST-A 10 15 0.5 0.5Y
Apr 01, 2019 DIST-A 10 12 0.5 0.5Y
Mar 01, 2019 DIST-A 10 12 0.5 0.4Y
Feb 01, 2019 DIST-A 10 12 0.5 0.4Y
Jan 01, 2019 DIST-A 10 15 0.5 0.4Y
Dec 01, 2018 DIST-A 10 12 0.4 0.4Y
Nov 01, 2018 DIST-A 10 12 0.4 0.4Y
Oct 01, 2018 DIST-A 10 15 0.5 0.4Y
Sep 01, 2018 DIST-A 10 12 0.5 0.4Y
Aug 01, 2018 DIST-A 10 15 0.4 0.4Y
Jul 01, 2018 DIST-A 10 12 0.5 0.4Y
Jun 01, 2018 DIST-A 10 12 0.4 0.4Y
May 01, 2018 DIST-A 10 15 0.4 0.4Y
Apr 01, 2018 DIST-A 10 12 0.4 0.4Y
Mar 01, 2018 DIST-A 10 12 0.4 0.4Y
Feb 01, 2018 DIST-A 10 12 0.4 0.4Y
Jan 01, 2018 DIST-A 10 15 0.4 0.4Y
Dec 01, 2017 DIST-A 10 12 0.4 0.4Y
Nov 01, 2017 DIST-A 10 15 0.4 0.4Y
Oct 01, 2017 DIST-A 10 12 0.4 0.4Y
Sep 01, 2017 DIST-A 10 12 0.4 0.4Y
Aug 01, 2017 DIST-A 10 15 0.4 0.4Y
Jul 01, 2017 DIST-A 10 12 0.4 0.4Y
Jun 01, 2017 DIST-A 10 12 0.4 0.4Y
May 01, 2017 DIST-A 10 14 0.4 0.4Y
Apr 01, 2017 DIST-A 10 12 0.4 0.4Y
Mar 01, 2017 DIST-A 10 15 0.4 0.4Y
Feb 01, 2017 DIST-A 10 12 0.4 0.4Y
Jan 01, 2017 DIST-A 10 11 0.4 0.4Y
Dec 01, 2016 DIST-A 10 12 0.4 0.4Y
Nov 01, 2016 DIST-A 10 15 0.3 0.4Y
Oct 01, 2016 DIST-A 10 12 0.4 0.4Y
Sep 01, 2016 DIST-A 10 12 0.4 0.4Y
Aug 01, 2016 DIST-A 10 15 0.4 0.4Y
Jul 01, 2016 DIST-A 10 12 0.4 0.4Y
Jun 01, 2016 DIST-A 10 15 0.4 0.4Y
May 01, 2016 DIST-A 10 12 0.4 0.4Y
Apr 01, 2016 DIST-A 10 12 0.4 0.4Y
Mar 01, 2016 DIST-A 10 15 0.4 0.4Y
Feb 01, 2016 DIST-A 10 12 0.3 0.4Y
Jan 01, 2016 DIST-A 13 15 0.3 0.4Y
Dec 01, 2015 DIST-A 10 15 0.4 0.4Y
Nov 01, 2015 DIST-A 10 12 0.4 0.4Y
Oct 01, 2015 DIST-A 10 15 0.3 0.4Y
Sep 01, 2015 DIST-A 10 11 0.4 0.4Y
Aug 01, 2015 DIST-A 10 12 0.3 0.4Y
Jul 01, 2015 DIST-A 10 15 0.3 0.4Y
Jun 01, 2015 DIST-A 10 12 0.4 0.4Y
May 01, 2015 DIST-A 10 12 0.4 0.4Y
Apr 01, 2015 DIST-A 10 15 0.4 0.4Y
Mar 01, 2015 DIST-A 10 11 0.5 0.4Y
Feb 01, 2015 DIST-A 10 11 0.4 0.4Y
Jan 01, 2015 DIST-A 10 12 0.4 0.4Y
Dec 01, 2014 DIST-A 10 15 0.4 0.4Y
Nov 01, 2014 DIST-A 10 12 0.3 0.4Y
Oct 01, 2014 DIST-A 10 15 0.4 0.4Y
Sep 01, 2014 DIST-A 10 12 0.3 0.4Y
Aug 01, 2014 DIST-A 13 15 1 0.4Y
Jul 01, 2014 DIST-A 10 15 0.4 0.3Y
Jun 01, 2014 DIST-A 10 12 0.4 0.3Y
May 01, 2014 DIST-A 10 15 0.4 0.3Y
Apr 01, 2014 DIST-A 10 12 0.4 0.3Y
Mar 01, 2014 DIST-A 13 15 0.3 0.3Y
Feb 01, 2014 DIST-A 10 12 0.4 0.3Y
Jan 01, 2014 DIST-A 10 15 0.4 0.3Y
Dec 01, 2013 DIST-A 10 12 0 0.3Y
Nov 01, 2013 DIST-A 10 12 0.2 0.3Y
Oct 01, 2013 DIST-A 10 15 0.1 0.3Y
Sep 01, 2013 DIST-A 10 12 0.3 0.3Y
Aug 01, 2013 DIST-A 10 15 0.1 0.3Y
Jul 01, 2013 DIST-A 10 12 0.2 0.4Y
Jun 01, 2013 DIST-A 10 12 0.4 0.4Y
May 01, 2013 DIST-A 10 15 0.4 0.4Y
Apr 01, 2013 DIST-A 10 12 0.4 0.4Y
Mar 01, 2013 DIST-A 10 12 0.4 0.4Y
Feb 01, 2013 DIST-A 10 12 0.4 0.4Y
Jan 01, 2013 DIST-A 10 12 0.4 0.4Y
Dec 01, 2012 DIST-A 10 12 0.4 0.4Y
Nov 01, 2012 DIST-A 10 15 0.3 0.4Y
Oct 01, 2012 DIST-A 10 12 0.48 0.4Y
Sep 01, 2012 DIST-A 10 12 0.3 0.4Y
Aug 01, 2012 DIST-A 10 12 0.3 0.4Y
Jul 01, 2012 DIST-A 10 12 0.30 0.4Y
Jun 01, 2012 DIST-A 10 12 0.38 0.4Y
May 01, 2012 DIST-A 10 12 0.3 0.4Y
Apr 01, 2012 DIST-A 10 11 0.5 0.4Y
Mar 01, 2012 DIST-A 9 15 0.4 0.4Y
Feb 01, 2012 DIST-A 9 11 0.5 0.4Y
Jan 01, 2012 DIST-A 9 11 0.4 0.4Y
Dec 01, 2011 DIST-A 9 10 0.5 0.4Y
Nov 01, 2011 DIST-A 9 12 0.4 0.4Y
Oct 01, 2011 DIST-A 9 12 0.4 0.5Y
Sep 01, 2011 DIST-A 9 12 0.4 0.5Y
Aug 01, 2011 DIST-A 9 12 0.4 0.5Y
Jul 01, 2011 DIST-A 9 9 0.4 0.5Y
Jun 01, 2011 DIST-A 9 12 0.5 0.5Y
May 01, 2011 DIST-A 9 12 0.5 0.5Y
Apr 01, 2011 DIST-A 9 12 0.5 0.5Y
Mar 01, 2011 DIST-A 9 9 0.4 0.5Y
Feb 01, 2011 DIST-A 9 9 0.5 0.5Y
Jan 01, 2011 DIST-A 9 9 0.5 0.5Y
Dec 01, 2010 DIST-A 9 12 0.5 0.4Y
Nov 01, 2010 DIST-A 9 12 0.6 0.5Y
Oct 01, 2010 DIST-A 9 9 0.5 0.4Y
Sep 01, 2010 DIST-A 9 9 0.3 0.4Y
Aug 01, 2010 DIST-A 9 9 0.5 0.5Y
Jul 01, 2010 DIST-A 9 12 0.5 0.4Y
Jun 01, 2010 DIST-A 9 9 0.4 0.4Y
May 01, 2010 DIST-A 9 9 0.4 0.5Y
Apr 01, 2010 DIST-A 9 9 0.4 0.5Y
Mar 01, 2010 DIST-A 9 9 0.4 0.5Y
Feb 01, 2010 DIST-A 9 12 0.4 0.5Y
Jan 01, 2010 DIST-A 9 9 0 0.4Y
Dec 01, 2009 DIST-A 9 12 1 0.5Y
Nov 01, 2009 DIST-A 9 9 0.5 0.4Y
Oct 01, 2009 DIST-A 9 9 0.5 0.4Y
Sep 01, 2009 DIST-A 9 9 0.4 0.4Y
Aug 01, 2009 DIST-A 9 9 0.46 0.4Y
Jul 01, 2009 DIST-A 12 20 0.5 0.4Y
Jun 01, 2009 DIST-A 9 12 0.5 0.4Y
May 01, 2009 DIST-A 9 9 0.42 0.4Y
Apr 01, 2009 DIST-A 9 15 0.4 0.4Y
Mar 01, 2009 DIST-A 9 12 0.4 0.4Y
Feb 01, 2009 DIST-A 9 12 0.3 0.4Y
Jan 01, 2009 DIST-A 9 12 0.4 0.5Y
Dec 01, 2008 DIST-A 9 9 0.5 0.5Y
Nov 01, 2008 DIST-A 9 9 0.4 0.4Y
Oct 01, 2008 DIST-A 9 15 0.5 0.4Y
Sep 01, 2008 DIST-A 9 12 0.4 0.4Y
Aug 01, 2008 DIST-A 9 12 0.5 0.4Y
Jul 01, 2008 DIST-A 9 12 0.5 0.4Y
Jun 01, 2008 DIST-A 9 12 0.5 0.4Y
May 01, 2008 DIST-A 9 11 0.4 0.4Y
Apr 01, 2008 DIST-A 9 9 0.4 0.3Y
Mar 01, 2008 DIST-A 9 11 0.5 0.3Y
Feb 01, 2008 DIST-A 9 9 0.5 0.3Y
Jan 01, 2008 DIST-A 9 10 0.3 0.3Y
Dec 01, 2007 DIST-A 9 12 0.4 0.3Y
Nov 01, 2007 DIST-A 9 12 0.3 0.3Y
Oct 01, 2007 DIST-A 9 12 0.3 0.3Y
Sep 01, 2007 DIST-A 9 11 0.3 0.3Y
Aug 01, 2007 DIST-A 9 12 0.3 0.3Y
Jul 01, 2007 DIST-A 9 12 0.4 0.3Y
Jun 01, 2007 DIST-A 9 10 0.2 0.3Y
May 01, 2007 DIST-A 8 14 0.3 0.3Y
Apr 01, 2007 DIST-A 8 8 0.3 0.4Y
Mar 01, 2007 DIST-A 8 10 0.3 0.4Y
Feb 01, 2007 DIST-A 8 8 0.3 0.4Y
Jan 01, 2007 DIST-A 8 8 0.4 0.4Y
Dec 01, 2006 DIST-A 8 8 0.3 0.4Y
Nov 01, 2006 DIST-A 8 10 0.3 0.4Y
Oct 01, 2006 DIST-A 8 8 0.3 0.4Y
Sep 01, 2006 DIST-A 8 8 0.3 0.4Y
Aug 01, 2006 DIST-A 8 9 0.3 0.4Y
Jul 01, 2006 DIST-A 8 8 0.5 0.4Y
Jun 01, 2006 DIST-A 8 10 0.4 0.4Y
May 01, 2006 DIST-A 8 8 0.5 0.4Y
Apr 01, 2006 DIST-A 8 6 0.4 0.4Y
Mar 01, 2006 DIST-A 8 11 0.5 0.4Y
Feb 01, 2006 DIST-A 8 9 0.3 0.3Y
Jan 01, 2006 DIST-A 8 8 0.4 0.3Y
Dec 01, 2005 DIST-A 8 10 0.3 0.3Y
Nov 01, 2005 DIST-A 8 8 0.3 0.3Y
Oct 01, 2005 DIST-A 8 8 0.4 0.3Y
Sep 01, 2005 DIST-A 7 11 0.4 0.3Y
Aug 01, 2005 DIST-A 7 10 0.3 0.3Y
Jul 01, 2005 DIST-A 7 9 0.3 0.3Y
Jun 01, 2005 DIST-A 7 12 0.4 0.3Y
May 01, 2005 DIST-A 7 10 0.3 0.3Y
Apr 01, 2005 DIST-A 7 10 0.3 0.3Y
Mar 01, 2005 DIST-A 7 10 0.3 0.3Y
Feb 01, 2005 DIST-A 7 8 0.3 0.4Y
Jan 01, 2005 DIST-A 7 8 0.3 0.4Y
Dec 01, 2004 DIST-A 7 10 0.3 0.4Y
Nov 01, 2004 DIST-A 7 8 0.4 0.4Y
Oct 01, 2004 DIST-A 7 9 0.3 0.4Y
Sep 01, 2004 DIST-A 7 10 0.3 0.4Y