OHA Drinking Water Services
OR41
PWS ID: 95037 ---- TANGENT BUSINESS PARK
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 1.65 1.0Y
Jul 01, 2025 DIST-A 1 1 0.46 0.4Y
Apr 01, 2025 DIST-A 1 1 0.97 0.6Y
Jan 01, 2025 DIST-A 1 1 0.25 0.5Y
Oct 01, 2024 DIST-A 1 1 0.09 0.6Y
Jul 01, 2024 DIST-A 1 1 0.97 0.9Y
Apr 01, 2024 DIST-A 1 1 0.53 0.8Y
Jan 01, 2024 DIST-A 1 1 0.66 0.8Y
Oct 01, 2023 DIST-A 1 1 1.27 0.9Y
Jul 01, 2023 DIST-A 1 1 0.55 0.6Y
Apr 01, 2023 DIST-A 1 1 0.9 0.6Y
Jan 01, 2023 DIST-A 1 1 0.78 0.5Y
Oct 01, 2022 DIST-A 1 1 0.31 0.4Y
Jul 01, 2022 DIST-A 1 1 0.38 0.3Y
Apr 01, 2022 DIST-A 1 1 0.46 0.2Y
Jan 01, 2022 DIST-A 1 1 0.26 0.3Y
Oct 01, 2021 DIST-A 1 1 0.15 0.3Y
Jul 01, 2021 DIST-A 1 1 0.1 0.4Y
Apr 01, 2021 DIST-A 1 1 0.67 0.5Y
Jan 01, 2021 DIST-A 1 1 0.43 0.4Y
Oct 01, 2020 DIST-A 1 1 0.56 0.3Y
Jul 01, 2020 DIST-A 1 1 0.4 0.3Y
Apr 01, 2020 DIST-A 1 1 0.19 0.5Y
Jan 01, 2020 DIST-A 1 1 0.2 0.8Y
Oct 01, 2019 DIST-A 1 1 0.33 0.9Y
Jul 01, 2019 DIST-A 1 1 1.47 1.2Y
Apr 01, 2019 DIST-A 1 1 1.34 1.0Y
Jan 01, 2019 DIST-A 1 1 0.37 0.8Y
Oct 01, 2018 DIST-A 1 1 1.56 0.8Y
Jul 01, 2018 DIST-A 1 1 0.73 0.5Y
Apr 01, 2018 DIST-A 1 1 0.46 0.6Y
Jan 01, 2018 DIST-A 1 1 0.57 0.7Y
Oct 01, 2017 DIST-A 1 1 0.34 0.6Y
Jul 01, 2017 DIST-A 1 1 1.14 0.7Y
Apr 01, 2017 DIST-A 1 1 0.59 0.5Y
Jan 01, 2017 DIST-A 1 1 0.46 0.5Y
Oct 01, 2016 DIST-A 1 1 0.47 0.5Y
Jul 01, 2016 DIST-A 1 1 0.44 0.5Y
Apr 01, 2016 DIST-A 1 1 0.52 1.8Y
Jan 01, 2016 DIST-A 1 1 0.37 2.0Y
Oct 01, 2015 DIST-A 1 1 0.86 2.2Y
Jul 01, 2015 DIST-A 1 1 5.6 2.0Y
Apr 01, 2015 DIST-A 1 1 1.19 0.6Y
Jan 01, 2015 DIST-A 1 1 1.05 0.6Y
Oct 01, 2014 DIST-A 1 1 0.13 0.7Y
Jul 01, 2014 DIST-A 1 1 0.08 0.9Y
Apr 01, 2014 DIST-A 1 1 1.23 1.0Y
Jan 01, 2014 DIST-A 1 1 1.18 0.9Y
Oct 01, 2013 DIST-A 1 1 0.97 1.1Y
Jul 01, 2013 DIST-A 1 1 0.55 1.2Y
Apr 01, 2013 DIST-A 1 1 0.82 1.1Y
Jan 01, 2013 DIST-A 1 1 1.95 1.2Y
Oct 01, 2012 DIST-A 1 1 1.3 1.2Y
Jul 01, 2012 DIST-A 1 1 0.21 0.8Y
Apr 01, 2012 DIST-A 1 1 1.4900 1.2Y
Jan 01, 2012 DIST-A 1 1 1.6600 1.1Y
Oct 01, 2011 DIST-A 1 1 0 0.9Y
Jul 01, 2011 DIST-A 1 1 1.5000 1.0Y
Apr 01, 2011 DIST-A 1 1 1.3000 0.6Y
Jan 01, 2011 DIST-A 1 1 0.6000 0.4Y
Oct 01, 2010 DIST-A 1 1 0.6000 0.3Y
Jul 01, 2010 DIST-A 1 1 0 0.3Y
Apr 01, 2010 DIST-A 1 1 0.4000 0.3Y
Jan 01, 2010 DIST-A 1 1 0.2000 0.5Y
Nov 01, 2009 DIST-A 5 5 0.5400 1Y
Oct 01, 2009 DIST-A 5 5 1.3600 1Y
Jul 01, 2009 DIST-A 1 1 0 1Y
Apr 01, 2009 DIST-A 1 1 0.9000 1Y
Jan 01, 2009 DIST-A 1 1 0.6000 1Y
Oct 01, 2008 DIST-A 1 1 0.9000 1Y
Jul 01, 2008 DIST-A 1 1 0.6000 1Y
Apr 01, 2008 DIST-A 1 1 0 1Y
Jan 01, 2008 DIST-A 1 0 1Y
Oct 01, 2007 DIST-A 1 1 1.5000 1Y
Jul 01, 2007 DIST-A 1 1 0.1000 0Y
Apr 01, 2007 DIST-A 1 1 1.5000 1Y
Jan 01, 2007 DIST-A 1 1 0.1000 0Y
Oct 01, 2006 DIST-A 1 1 0.2000 0Y
Jul 01, 2006 DIST-A 1 1 0.5000 0Y
Apr 01, 2006 DIST-A 1 1 0.2000 0Y
Jan 01, 2006 DIST-A 1 1 0.1000 0Y
Oct 01, 2005 DIST-A 1 1 0 0Y
Jul 01, 2005 DIST-A 1 1 0.1000 0Y
Apr 01, 2005 DIST-A 1 1 0.4000 0Y
Jan 01, 2005 DIST-A 1 1 0.1000 0Y
Oct 01, 2004 DIST-A 1 1 0.1000 0Y