OHA Drinking Water Services
OR41
PWS ID: 94431 ---- JLR
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 2 0.14 0.5Y
Oct 01, 2025 DIST-A 1 1 0.9 0.6Y
Jul 01, 2025 DIST-A 1 1 0.49 0.8Y
Jan 01, 2025 DIST-A 1 1 0.43 0.6Y
Oct 01, 2024 DIST-A 1 1 1.6 0.7Y
Jul 01, 2024 DIST-A 1 1 0.05 0.4Y
Apr 01, 2024 DIST-A 1 1 0.2 0.5Y
Jan 01, 2024 DIST-A 1 1 1.1 0.4Y
Jul 01, 2023 DIST-A 1 1 0.12 0.1Y
Apr 01, 2023 DIST-A 1 1 0.13 0.2Y
Jan 01, 2023 DIST-A 1 1 0.06 0.3Y
Oct 01, 2022 DIST-A 1 1 0.21 0.3Y
Jul 01, 2022 DIST-A 1 1 0.37 0.2Y
Apr 01, 2022 DIST-A 1 1 0.4 0.7Y
Jan 01, 2022 DIST-A 1 1 0.08 0.9Y
Oct 01, 2021 DIST-A 1 1 0.07 1.0Y
Jul 01, 2021 DIST-A 1 1 2.1 1.3Y
Apr 01, 2021 DIST-A 1 1 1.5 1.0Y
Jan 01, 2021 DIST-A 1 1 0.4 0.4Y
Oct 01, 2017 DIST-A 1 0 0Y
Jul 01, 2017 DIST-A 1 0 0Y
Apr 01, 2017 DIST-A 3 0 0Y
Jan 01, 2017 DIST-A 4 0 0Y
Oct 01, 2016 DIST-A 1 0 0Y
Jul 01, 2016 DIST-A 1 0 0Y
Apr 01, 2016 DIST-A 1 0 0Y
Mar 01, 2016 DIST-A 1 0 0Y
Feb 01, 2016 DIST-A 5 0 0Y
Jan 01, 2016 DIST-A 5 1 0.01 0Y
Oct 01, 2015 DIST-A 1 0 0.1Y
Jul 01, 2015 DIST-A 1 1 0.05 0.1Y
Jun 01, 2015 DIST-A 5 0 0Y
Apr 01, 2015 DIST-A 5 0 0Y
Jan 01, 2015 DIST-A 1 0 0Y
Oct 01, 2014 DIST-A 1 0 0Y
Jul 01, 2014 DIST-A 1 0 0Y
Apr 01, 2014 DIST-A 1 0 0Y
Jan 01, 2014 DIST-A 1 0 0Y
Oct 01, 2013 DIST-A 1 0 0Y
Jul 01, 2013 DIST-A 1 0 0Y
Apr 01, 2013 DIST-A 1 0 0Y
Jan 01, 2013 DIST-A 1 0 0.2Y
Oct 01, 2012 DIST-A 1 0 0.2Y
Jul 01, 2012 DIST-A 1 0 0.2Y
Jun 01, 2012 DIST-A 5 2 0.2 0.2Y
Apr 01, 2012 DIST-A 5 2 0.2 0.2Y
Jan 01, 2012 DIST-A 1 0 0Y
Oct 01, 2011 DIST-A 1 0 0Y
Jul 01, 2011 DIST-A 1 0 0Y
Apr 01, 2011 DIST-A 1 0 0Y
Jan 01, 2011 DIST-A 1 0 0Y
Oct 01, 2010 DIST-A 1 0 0Y
Jul 01, 2010 DIST-A 1 0 0Y
Apr 01, 2010 DIST-A 1 0 0Y
Jan 01, 2010 DIST-A 1 0 0Y
Oct 01, 2009 DIST-A 1 0 0Y
Jul 01, 2009 DIST-A 1 0 0Y
Apr 01, 2009 DIST-A 1 0 0Y
Jan 01, 2009 DIST-A 1 0 0Y
Oct 01, 2008 DIST-A 1 0 0Y
Jul 01, 2008 DIST-A 1 0 0Y
Apr 01, 2008 DIST-A 1 0 0Y
Jan 01, 2008 DIST-A 1 0 0Y
Oct 01, 2007 DIST-A 1 0 0Y
Jul 01, 2007 DIST-A 1 0 0.1Y
Apr 01, 2007 DIST-A 1 0 0.1Y
Jan 01, 2007 DIST-A 1 0 0.3Y
Oct 01, 2006 DIST-A 1 1 0.1 0.3Y
Jul 01, 2006 DIST-A 1 1 0.1 0.4Y
Apr 01, 2006 DIST-A 1 1 0.6 0.5Y
Jan 01, 2006 DIST-A 1 0 0.4Y
Oct 01, 2005 DIST-A 1 1 0.4 0.3Y
Jul 01, 2005 DIST-A 1 1 0.4 0.3Y
Apr 01, 2005 DIST-A 1 1 0.3 0.3Y
Jan 01, 2005 DIST-A 1 1 0.2 0.3Y
Oct 01, 2004 DIST-A 1 1 0.3 0.3Y