OHA Drinking Water Services
OR41
PWS ID: 90034 ---- CAMP ARRAH WANNA
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 0.6Y
Oct 01, 2025 DIST-A 1 1 0.45 0.8Y
Jul 01, 2025 DIST-A 1 1 0.56 0.7Y
Apr 01, 2025 DIST-A 1 1 1.48 0.7Y
Oct 01, 2024 DIST-A 1 1 0.19 0.4Y
Jul 01, 2024 DIST-A 1 1 0.38 0.8Y
Apr 01, 2024 DIST-A 1 1 0.6 0.7Y
Oct 01, 2023 DIST-A 1 1 1.4 1.3Y
Jul 01, 2023 DIST-A 1 1 0.03 1.0Y
Apr 01, 2023 DIST-A 1 1 0.35 1.2Y
Jan 01, 2023 DIST-A 1 1 3.5 1.2Y
Oct 01, 2022 DIST-A 1 1 0.08 0.5Y
Jul 01, 2022 DIST-A 1 1 0.79 0.9Y
Apr 01, 2022 DIST-A 1 1 0.67 0.8Y
Jan 01, 2022 DIST-A 1 1 0.26 0.6Y
Oct 01, 2021 DIST-A 1 1 1.7 0.6Y
Jul 01, 2021 DIST-A 1 1 0.53 0.2Y
Apr 01, 2021 DIST-A 1 1 0.02 0Y
Jan 01, 2021 DIST-A 1 1 0.07 0Y
Oct 01, 2020 DIST-A 1 1 0.03 0.1Y
Jan 01, 2020 DIST-A 1 1 0.08 0.4Y
Oct 01, 2019 DIST-A 1 1 0.67 0.5Y
Jul 01, 2019 DIST-A 1 1 0.59 0.9Y
Jan 01, 2019 DIST-A 1 1 0.21 0.6Y
Oct 01, 2018 DIST-A 1 1 1.76 0.7Y
Jul 01, 2018 DIST-A 1 1 0.27 0.5Y
Apr 01, 2018 DIST-A 1 1 0.16 0.5Y
Jan 01, 2018 DIST-A 1 1 0.66 0.6Y
Oct 01, 2017 DIST-A 1 1 0.74 0.5Y
Jul 01, 2017 DIST-A 1 1 0.61 0.6Y
Apr 01, 2017 DIST-A 1 1 0.32 0.7Y
Jan 01, 2017 DIST-A 1 1 0.48 0.7Y
Oct 01, 2016 DIST-A 1 1 1.07 0.8Y
Jul 01, 2016 DIST-A 1 1 0.74 0.7Y
Apr 01, 2016 DIST-A 1 1 0.36 0.7Y
Jan 01, 2016 DIST-A 1 1 0.95 0.8Y
Oct 01, 2015 DIST-A 1 1 0.7 0.6Y
Jul 01, 2015 DIST-A 1 1 0.86 0.5Y
Apr 01, 2015 DIST-A 1 1 0.55 0.7Y
Jan 01, 2015 DIST-A 1 1 0.33 0.7Y
Oct 01, 2014 DIST-A 1 1 0.26 0.8Y
Jul 01, 2014 DIST-A 1 1 1.53 0.9Y
Apr 01, 2014 DIST-A 1 1 0.83 0.6Y
Jan 01, 2014 DIST-A 1 1 0.47 0.6Y
Jul 01, 2013 DIST-A 1 1 0.52 1.0Y
Apr 01, 2013 DIST-A 1 1 0.86 1.1Y
Jan 01, 2013 DIST-A 1 1 1.17 1.1Y
Oct 01, 2012 DIST-A 1 1 1.59 1.0Y
Jul 01, 2012 DIST-A 1 1 0.64 0.7Y
Apr 01, 2012 DIST-A 1 1 1.1000 1.1Y
Jan 01, 2012 DIST-A 1 1 0.7500 0.9Y
Oct 01, 2011 DIST-A 1 1 0.4700 1.0Y
Jul 01, 2011 DIST-A 1 1 1.9600 1.4Y
Apr 01, 2011 DIST-A 1 1 0.3400 1.2Y
Jan 01, 2011 DIST-A 1 1 1.4200 1.5Y
Oct 01, 2010 DIST-A 1 1 2.0600 1.1Y
Jul 01, 2010 DIST-A 1 1 0.9300 1.1Y
Apr 01, 2010 DIST-A 1 1 1.5500 1.3Y
Jan 01, 2010 DIST-A 1 1 0 1.2Y
Oct 01, 2009 DIST-A 1 1 1.9300 1.6Y
Jul 01, 2009 DIST-A 1 2 1.7150 1.4Y
Apr 01, 2009 DIST-A 1 1 1.1000 1.7Y
Jan 01, 2009 DIST-A 1 0 2.1Y
Oct 01, 2008 DIST-A 1 0 1.7Y
Jul 01, 2008 DIST-A 1 1 2.2000 1.7Y
Apr 01, 2008 DIST-A 1 1 2.0000 1.5Y
Jan 01, 2008 DIST-A 1 1 0.9000 1.0Y
Oct 01, 2007 DIST-A 1 1 1.5000 0.9Y
Jul 01, 2007 DIST-A 5 0 0.1Y
May 01, 2007 DIST-A 5 0 0Y
Apr 01, 2007 DIST-A 13 5 0 0Y
Jan 01, 2007 DIST-A 5 5 0.1000 0.1Y
Oct 01, 2006 DIST-A 5 0 0Y
Jul 01, 2006 DIST-A 5 6 0.0167 0.1Y
Apr 01, 2006 DIST-A 1 1 0.1000 0.1Y
Jan 01, 2006 DIST-A 1 1 0 0.1Y
Oct 01, 2005 DIST-A 1 1 0.3000 0.1Y
Jul 01, 2005 DIST-A 1 0 0Y
Jun 01, 2005 DIST-A 1 1 0 0.2Y
Apr 01, 2005 DIST-A 5 0 0.2Y
Jan 01, 2005 DIST-A 5 5 0 0.2Y
Oct 01, 2004 DIST-A 1 1 0 0.3Y