OHA Drinking Water Services
OR41
PWS ID: 94418 ---- BPA-CELILO/BIG EDDY
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, 2025 DIST-A 1 2 1.4 0.6Y
Aug 01, 2025 DIST-A 1 2 0.3 0.5Y
Jul 01, 2025 DIST-A 1 6 0.2 0.5Y
Apr 01, 2025 DIST-A 1 4 0.3 0.5Y
Jan 01, 2025 DIST-A 1 2 0.5 0.5Y
Oct 01, 2024 DIST-A 1 2 1 0.5Y
Aug 01, 2024 DIST-A 3 3 0.2 0.3Y
Jul 01, 2024 DIST-A 4 8 0.2 0.3Y
Apr 01, 2024 DIST-A 1 2 0.3 0.2Y
Jan 01, 2024 DIST-A 1 2 0.4 0.2Y
Oct 01, 2023 DIST-A 1 2 0.1 0.1Y
Jul 01, 2023 DIST-A 1 2 0.2 0.2Y
Apr 01, 2023 DIST-A 1 2 0.1 0.2Y
Jan 01, 2023 DIST-A 1 2 0.2 0.2Y
Oct 01, 2022 DIST-A 1 2 0.3 0.2Y
Jul 01, 2022 DIST-A 1 2 0.2 0.2Y
Apr 01, 2022 DIST-A 1 2 0 0.1Y
Jan 01, 2022 DIST-A 1 2 0.2 0.2Y
Oct 01, 2021 DIST-A 1 2 0.2 0.2Y
Jul 01, 2021 DIST-A 1 2 0 0.2Y
Apr 01, 2021 DIST-A 1 2 0.3 0.2Y
Jan 01, 2021 DIST-A 1 2 0.2 0.2Y
Oct 01, 2020 DIST-A 1 2 0.2 0.2Y
Jul 01, 2020 DIST-A 1 2 0.1 0.2Y
Apr 01, 2020 DIST-A 1 1 0.4 0.3Y
Jan 01, 2020 DIST-A 1 2 0.2 0.2Y
Oct 01, 2019 DIST-A 1 2 0.3 0.2Y
Jul 01, 2019 DIST-A 1 1 0.25 0.2Y
Apr 01, 2019 DIST-A 1 1 0.1 0.2Y
Jan 01, 2019 DIST-A 1 2 0.3 0.2Y
Oct 01, 2018 DIST-A 1 2 0.2 0.1Y
Jul 01, 2018 DIST-A 1 2 0.10 0.1Y
Apr 01, 2018 DIST-A 1 2 0.1 0.1Y
Jan 01, 2018 DIST-A 1 2 0.14 0.1Y
Oct 01, 2017 DIST-A 1 2 0.20 0.2Y
Jul 01, 2017 DIST-A 1 2 0.1 0.2Y
Apr 01, 2017 DIST-A 1 2 0.13 0.2Y
Jan 01, 2017 DIST-A 1 2 0.4 0.2Y
Oct 01, 2016 DIST-A 1 2 0.1 0.2Y
Jul 01, 2016 DIST-A 1 2 0.1 0.2Y
Apr 01, 2016 DIST-A 1 2 0.3 0.3Y
Jan 01, 2016 DIST-A 1 2 0.3 0.3Y
Oct 01, 2015 DIST-A 1 2 0.3 0.3Y
Jul 01, 2015 DIST-A 1 2 0.2 0.3Y
Apr 01, 2015 DIST-A 1 2 0.5 0.2Y
Jan 01, 2015 DIST-A 1 2 0.2 0.2Y
Oct 01, 2014 DIST-A 1 2 0.2 0.2Y
Jul 01, 2014 DIST-A 1 2 0.01 0.2Y
Apr 01, 2014 DIST-A 1 2 0.4 0.2Y
Jan 01, 2014 DIST-A 1 2 0.2 0.1Y
Oct 01, 2013 DIST-A 1 2 0.1 0.1Y
Jul 01, 2013 DIST-A 1 2 0.2 0.2Y
Apr 01, 2013 DIST-A 1 2 0.1 0.1Y
Jan 01, 2013 DIST-A 1 2 0.2 0.2Y
Oct 01, 2012 DIST-A 1 2 0.2 0.2Y
Jul 01, 2012 DIST-A 1 2 0.1 0.2Y
Apr 01, 2012 DIST-A 1 2 0.2 0.3Y
Jan 01, 2012 DIST-A 1 2 0.3 0.3Y
Oct 01, 2011 DIST-A 1 2 0.2 0.3Y
Jul 01, 2011 DIST-A 1 2 0.3 0.3Y
Apr 01, 2011 DIST-A 1 2 0.4 0.3Y
Jan 01, 2011 DIST-A 1 2 0.2 0.3Y
Oct 01, 2010 DIST-A 1 2 0.3 0.3Y
Jul 01, 2010 DIST-A 1 2 0.4 0.4Y
Apr 01, 2010 DIST-A 1 2 0.3 0.3Y
Jan 01, 2010 DIST-A 1 2 0.2 0.3Y
Oct 01, 2009 DIST-A 1 2 0.5 0.3Y
Jul 01, 2009 DIST-A 1 2 0.2 0.2Y
Apr 01, 2009 DIST-A 1 2 0.2 0.1Y
Jan 01, 2009 DIST-A 1 2 0.3 0.1Y
Oct 01, 2008 DIST-A 1 2 0.1 0.1Y
Jul 01, 2008 DIST-A 1 2 0 0.2Y
Apr 01, 2008 DIST-A 1 2 0 0.2Y
Jan 01, 2008 DIST-A 1 2 0.5 0.3Y
Oct 01, 2007 DIST-A 1 2 0.3 0.3Y
Jul 01, 2007 DIST-A 1 2 0.1 0.3Y
Apr 01, 2007 DIST-A 1 2 0.4 0.4Y
Jan 01, 2007 DIST-A 1 2 0.3 0.5Y
Oct 01, 2006 DIST-A 1 2 0.5 0.5Y
Jul 01, 2006 DIST-A 1 2 0.5 0.4Y
Apr 01, 2006 DIST-A 1 2 0.7 0.4Y
Jan 01, 2006 DIST-A 1 2 0.15 0.3Y
Oct 01, 2005 DIST-A 1 2 0.4 0.3Y
Jul 01, 2005 DIST-A 1 2 0.15 0.3Y
Apr 01, 2005 DIST-A 1 2 0.5 0.3Y
Jan 01, 2005 DIST-A 1 2 0.2 0.2Y
Oct 01, 2004 DIST-A 1 2 0.3 0.2Y