OHA Drinking Water Services
OR41
PWS ID: 05097 ---- WHISPERING PINES
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 0.05 0.3Y
Jul 01, 2025 DIST-A 1 1 0.05 0.3Y
Apr 01, 2025 DIST-A 1 1 1 0.3Y
Jan 01, 2025 DIST-A 1 1 0.05 0.1Y
Oct 01, 2024 DIST-A 1 1 0.05 0.1Y
Jul 01, 2024 DIST-A 1 1 0.05 0.1Y
Apr 01, 2024 DIST-A 1 1 0.05 0.5Y
Jul 01, 2023 DIST-A 1 1 1 0.5Y
Apr 01, 2023 DIST-A 1 1 0.05 0.5Y
Oct 01, 2022 DIST-A 1 2 0.3 0.8Y
Jul 01, 2022 DIST-A 1 1 1 1.0Y
Apr 01, 2022 DIST-A 1 1 1 1.0Y
Oct 01, 2021 DIST-A 1 1 1 0.7Y
Jul 01, 2021 DIST-A 1 2 1 0.7Y
Apr 01, 2021 DIST-A 1 1 0.05 0.5Y
Oct 01, 2020 DIST-A 1 2 1 0.5Y
Apr 01, 2020 DIST-A 1 1 0.05 0.5Y
Oct 01, 2019 DIST-A 1 1 1 0.7Y
Apr 01, 2019 DIST-A 1 1 0.5 0.5Y
Jan 01, 2019 DIST-A 1 1 0.5 0.5Y
Oct 01, 2018 DIST-A 1 0 1.5Y
Jul 01, 2018 DIST-A 3 0 1.0Y
Apr 01, 2018 DIST-A 4 0 1.0Y
Jan 01, 2018 DIST-A 1 1 1.5 0.8Y
Oct 01, 2017 DIST-A 1 1 0.5 0.5Y
Jul 01, 2017 DIST-A 1 1 1 0.5Y
Apr 01, 2017 DIST-A 1 1 0.05 0.1Y
Jan 01, 2017 DIST-A 1 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
Jan 01, 2016 DIST-A 1 0 0Y
Oct 01, 2015 DIST-A 1 0 0Y
Jul 01, 2015 DIST-A 1 0 0Y
Apr 01, 2015 DIST-A 1 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 0Y
Oct 01, 2012 DIST-A 1 0 0Y
Jul 01, 2012 DIST-A 1 0 0Y
Apr 01, 2012 DIST-A 1 0 0Y
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
Feb 01, 2011 DIST-A 5 0 0Y
Jan 01, 2011 DIST-A 5 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