OHA Drinking Water Services
OR41
PWS ID: 91211 ---- PACIFIC HIGH SCHOOL SD 2J
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 1 0.33 0.4Y
Jul 01, 2025 DIST-A 1 1 0.39 0.4Y
Apr 01, 2025 DIST-A 1 1 0.41 0.5Y
Jan 01, 2025 DIST-A 1 1 0.4 0.4Y
Oct 01, 2024 DIST-A 1 1 0.41 0.4Y
Jul 01, 2024 DIST-A 1 1 0.59 0.3Y
Apr 01, 2024 DIST-A 1 1 0.25 0.3Y
Jan 01, 2024 DIST-A 1 1 0.3 0.3Y
Oct 01, 2023 DIST-A 1 1 0.21 2.1Y
Jul 01, 2023 DIST-A 1 1 0.34 2.1Y
Apr 01, 2023 DIST-A 1 1 0.37 2.1Y
Jan 01, 2023 DIST-A 1 1 7.38 2.1Y
Oct 01, 2022 DIST-A 1 1 0.41 0.4Y
Jul 01, 2022 DIST-A 1 1 0.34 0.4Y
Apr 01, 2022 DIST-A 1 1 0.29 0.4Y
Jan 01, 2022 DIST-A 1 1 0.53 0.4Y
Oct 01, 2021 DIST-A 1 1 0.49 0.4Y
Jul 01, 2021 DIST-A 1 1 0.39 0.4Y
Apr 01, 2021 DIST-A 1 1 0.35 0.4Y
Jan 01, 2021 DIST-A 1 1 0.4 0.3Y
Oct 01, 2020 DIST-A 1 1 0.37 0.4Y
Jul 01, 2020 DIST-A 1 1 0.33 0.4Y
Apr 01, 2020 DIST-A 1 1 0.3 0.4Y
Jan 01, 2020 DIST-A 1 1 0.42 0.4Y
Oct 01, 2019 DIST-A 1 1 0.43 0.4Y
Jul 01, 2019 DIST-A 1 1 0.57 0.4Y
Apr 01, 2019 DIST-A 1 1 0.3 0.4Y
Jan 01, 2019 DIST-A 1 1 0.38 0.4Y
Oct 01, 2018 DIST-A 1 1 0.53 0.4Y
Jul 01, 2018 DIST-A 1 1 0.4 0.4Y
Apr 01, 2018 DIST-A 1 1 0.35 0.4Y
Jan 01, 2018 DIST-A 1 1 0.4 0.4Y
Oct 01, 2017 DIST-A 1 1 0.38 0.4Y
Jul 01, 2017 DIST-A 1 1 0.58 0.5Y
Apr 01, 2017 DIST-A 1 1 0.31 0.6Y
Jan 01, 2017 DIST-A 1 1 0.49 0.6Y
Oct 01, 2016 DIST-A 1 1 0.64 0.6Y
Jul 01, 2016 DIST-A 1 1 0.83 0.6Y
Jun 01, 2016 DIST-A 1 1 0.54 0.5Y
May 01, 2016 DIST-A 1 0 0.5Y
Apr 01, 2016 DIST-A 1 0 0.5Y
Jan 01, 2016 DIST-A 1 1 0.42 0.5Y
Oct 01, 2015 DIST-A 1 1 0.49 0.5Y
Jul 01, 2015 DIST-A 1 1 0.74 0.6Y
Apr 01, 2015 DIST-A 1 1 0.61 0.6Y
Jan 01, 2015 DIST-A 1 1 0.47 0.5Y
Oct 01, 2014 DIST-A 1 1 0.56 0.6Y
Jul 01, 2014 DIST-A 1 1 0.62 0.6Y
Apr 01, 2014 DIST-A 1 1 0.41 0.6Y
Jan 01, 2014 DIST-A 1 1 0.72 0.7Y
Oct 01, 2013 DIST-A 1 1 0.62 0.8Y
Jul 01, 2013 DIST-A 1 1 0.86 0.9Y
Apr 01, 2013 DIST-A 1 1 0.86 0.9Y
Jan 01, 2013 DIST-A 1 1 0.82 0.7Y
Oct 01, 2012 DIST-A 1 1 1.04 0.5Y
Jul 01, 2012 DIST-A 1 1 0.37 0.3Y
Apr 01, 2012 DIST-A 1 1 0.36 0.3Y
Jan 01, 2012 DIST-A 1 1 0.27 0.3Y
Oct 01, 2011 DIST-A 1 1 0.13 0.4Y
Jul 01, 2011 DIST-A 1 1 0.29 0.5Y
Apr 01, 2011 DIST-A 1 1 0.69 0.5Y
Jan 01, 2011 DIST-A 1 1 0.5 0.5Y
Oct 01, 2010 DIST-A 1 1 0.3 0.5Y
Jul 01, 2010 DIST-A 1 1 0.68 0.4Y
Apr 01, 2010 DIST-A 1 1 0.5 0.5Y
Jan 01, 2010 DIST-A 1 1 0.49 0.7Y
Oct 01, 2009 DIST-A 1 1 0.27 0.8Y
Jul 01, 2009 DIST-A 1 1 1.64 1.1Y
Apr 01, 2009 DIST-A 1 1 1.08 0.9Y
Jan 01, 2009 DIST-A 1 1 0.86 0.6Y
Oct 01, 2008 DIST-A 1 0 0.3Y
Jul 01, 2008 DIST-A 1 1 0.7 0.4Y
Apr 01, 2008 DIST-A 1 1 0.17 0.3Y
Jan 01, 2008 DIST-A 1 0 0.3Y
Oct 01, 2007 DIST-A 1 1 0.41 0.2Y
Jul 01, 2007 DIST-A 1 0 0.2Y
Apr 01, 2007 DIST-A 1 1 0.13 0.2Y
Jan 01, 2007 DIST-A 1 1 0.18 0.9Y
Oct 01, 2006 DIST-A 1 0 1.0Y
Jul 01, 2006 DIST-A 1 1 0.17 0.7Y
Apr 01, 2006 DIST-A 1 1 2.1 0.7Y
Jan 01, 2006 DIST-A 1 1 0.21 0.2Y
Oct 01, 2005 DIST-A 1 1 0.14 0.2Y
Jul 01, 2005 DIST-A 1 1 0.2 0.2Y
Apr 01, 2005 DIST-A 1 1 0.19 0.3Y
Jan 01, 2005 DIST-A 1 1 0.31 0.3Y
Oct 01, 2004 DIST-A 1 0 0.2Y