OHA Drinking Water Services
OR41
PWS ID: 93722 ---- RAINIER SD #13
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
Jan 01, 2026 DIST-A 1 1 0.4 0.4Y
Oct 01, 2025 DIST-A 1 1 0.4 0.4Y
Jul 01, 2025 DIST-A 1 1 0.4 0.4Y
Apr 01, 2025 DIST-A 1 1 0.4 0.4Y
Jan 01, 2025 DIST-A 1 1 0.4 0.4Y
Oct 01, 2024 DIST-A 1 1 0.4 0.4Y
Jul 01, 2024 DIST-A 1 1 0.4 0.4Y
Apr 01, 2024 DIST-A 1 1 0.4 0.4Y
Jan 01, 2024 DIST-A 1 1 0.4 0.4Y
Oct 01, 2023 DIST-A 1 1 0.4 0.4Y
Jul 01, 2023 DIST-A 1 1 0.4 0.4Y
Apr 01, 2023 DIST-A 1 1 0.4 0.4Y
Jan 01, 2023 DIST-A 1 1 0.4 0.4Y
Oct 01, 2022 DIST-A 1 1 0.4 0.4Y
Apr 01, 2022 DIST-A 1 1 0.4 0.4Y
Jan 01, 2022 DIST-A 1 1 0.4 0.4Y
Oct 01, 2021 DIST-A 1 1 0.4 0.4Y
Jul 01, 2021 DIST-A 1 1 0.4 0.4Y
Apr 01, 2021 DIST-A 1 1 0.4 0.4Y
Jan 01, 2021 DIST-A 1 1 0.4 0.4Y
Oct 01, 2020 DIST-A 1 1 0.4 0.4Y
Jul 01, 2020 DIST-A 1 1 0.4 0.4Y
Apr 01, 2020 DIST-A 1 1 0.4 0.4Y
Jan 01, 2020 DIST-A 1 1 0.4 0.4Y
Oct 01, 2019 DIST-A 1 1 0.4 0.4Y
Jul 01, 2019 DIST-A 1 1 0.4 0.4Y
Apr 01, 2019 DIST-A 1 1 0.4 0.4Y
Jan 01, 2019 DIST-A 1 1 0.4 0.4Y
Oct 01, 2018 DIST-A 1 1 0.4 0.4Y
Jul 01, 2018 DIST-A 1 1 0.4 0.4Y
Apr 01, 2018 DIST-A 1 1 0.4 0.4Y
Jan 01, 2018 DIST-A 1 1 0.4 0.4Y
Oct 01, 2017 DIST-A 1 1 0.4 0.3Y
Jul 01, 2017 DIST-A 1 1 0.4 0.3Y
Apr 01, 2017 DIST-A 1 1 0.4 0.3Y
Jan 01, 2017 DIST-A 1 1 0.04 0.3Y
Oct 01, 2016 DIST-A 1 1 0.4 0.4Y
Jul 01, 2016 DIST-A 1 1 0.5 0.4Y
Apr 01, 2016 DIST-A 1 1 0.4 0.4Y
Jan 01, 2016 DIST-A 1 1 0.4 0.4Y
Oct 01, 2015 DIST-A 1 1 0.4 0.4Y
Jul 01, 2015 DIST-A 1 1 0.4 0.4Y
Apr 01, 2015 DIST-A 1 1 0.4 0.4Y
Jan 01, 2015 DIST-A 1 1 0.4 0.4Y
Oct 01, 2014 DIST-A 1 1 0.4 0.4Y
Jul 01, 2014 DIST-A 1 1 0.4 0.4Y
Apr 01, 2014 DIST-A 1 1 0.4 0.4Y
Jan 01, 2014 DIST-A 1 1 0.4 0.4Y
Oct 01, 2013 DIST-A 1 1 0.4 0.4Y
Jul 01, 2013 DIST-A 1 1 0.4 0.4Y
Apr 01, 2013 DIST-A 1 1 0.4 0.4Y
Jan 01, 2013 DIST-A 1 1 0.4 0.4Y
Oct 01, 2012 DIST-A 1 1 0.5 0.4Y
Jul 01, 2012 DIST-A 1 1 0.4 0.4Y
Apr 01, 2012 DIST-A 1 1 0.4000 0.5Y
Jan 01, 2012 DIST-A 1 1 0.4000 0.6Y
Oct 01, 2011 DIST-A 1 1 0.4300 0.6Y
Jul 01, 2011 DIST-A 1 1 0.8000 0.6Y
Apr 01, 2011 DIST-A 1 1 0.6000 0.5Y
Oct 01, 2010 DIST-A 1 1 0.4000 0.4Y
Jul 01, 2010 DIST-A 1 1 0.4000 0.4Y
Apr 01, 2010 DIST-A 1 1 0.6000 0.4Y
Jan 01, 2010 DIST-A 1 2 0.4000 0.4Y
Oct 01, 2009 DIST-A 1 1 0.4000 0.4Y
Jul 01, 2009 DIST-A 1 1 0.4000 0Y
Apr 01, 2009 DIST-A 1 1 0.4000 0Y
Jan 01, 2009 DIST-A 1 1 0.4000 0Y
Oct 01, 2008 DIST-A 1 1 0.4000 0Y
Jul 01, 2008 DIST-A 5 0 0Y
Apr 01, 2008 DIST-A 5 9 0.3444 0Y
Jan 01, 2008 DIST-A 1 1 0.5000 0Y
Oct 01, 2007 DIST-A 1 1 0.4000 0Y
Jul 01, 2007 DIST-A 1 1 0.4000 0Y
Apr 01, 2007 DIST-A 1 1 0.4000 0Y
Jan 01, 2007 DIST-A 1 1 0.4000 0Y
Oct 01, 2006 DIST-A 1 1 0.4000 0Y
Jul 01, 2006 DIST-A 1 1 0.4000 0Y
Apr 01, 2006 DIST-A 1 1 0.4000 0Y
Jan 01, 2006 DIST-A 1 1 0.4000 0Y
Oct 01, 2005 DIST-A 1 0 0Y
Jul 01, 2005 DIST-A 1 0 0Y
Apr 01, 2005 DIST-A 1 0 0Y
Jan 01, 2005 DIST-A 1 0 0Y
Oct 01, 2004 DIST-A 1 0 0Y