OHA Drinking Water Services
OR41
PWS ID: 93995 ---- SWISS KRONO OR LLC
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 0.34 0.3Y
Jul 01, 2025 DIST-A 1 1 0.28 0.3Y
Apr 01, 2025 DIST-A 1 1 0.24 0.2Y
Jan 01, 2025 DIST-A 1 1 0.29 0.3Y
Oct 01, 2024 DIST-A 1 1 0.23 0.2Y
Jul 01, 2024 DIST-A 1 1 0.22 0.2Y
Apr 01, 2024 DIST-A 1 1 0.29 0.2Y
Jan 01, 2024 DIST-A 1 1 0.26 0.2Y
Oct 01, 2023 DIST-A 1 1 0.18 0.2Y
Jul 01, 2023 DIST-A 1 1 0.14 0.3Y
Apr 01, 2023 DIST-A 1 1 0.31 0.3Y
Jan 01, 2023 DIST-A 1 1 0.31 0.3Y
Oct 01, 2022 DIST-A 1 1 0.34 0.3Y
Jul 01, 2022 DIST-A 1 1 0.31 0.3Y
Apr 01, 2022 DIST-A 1 1 0.41 0.3Y
Jan 01, 2022 DIST-A 1 1 0.34 0.3Y
Oct 01, 2021 DIST-A 1 1 0.16 0.3Y
Jul 01, 2021 DIST-A 1 1 0.3 0.2Y
Jan 01, 2021 DIST-A 1 1 0.33 0.2Y
Oct 01, 2020 DIST-A 1 1 0.07 0.2Y
Jul 01, 2020 DIST-A 1 1 0.14 0.2Y
Apr 01, 2020 DIST-A 1 1 0.33 0.3Y
Jan 01, 2020 DIST-A 1 1 0.2 0.2Y
Oct 01, 2019 DIST-A 1 1 0.28 0.2Y
Jul 01, 2019 DIST-A 1 1 0.34 0.2Y
Apr 01, 2019 DIST-A 1 1 0.14 0.2Y
Jan 01, 2019 DIST-A 1 1 0.16 0.2Y
Oct 01, 2018 DIST-A 1 1 0.16 0.2Y
Jul 01, 2018 DIST-A 1 1 0.25 0.3Y
Apr 01, 2018 DIST-A 1 1 0.23 0.3Y
Jan 01, 2018 DIST-A 1 1 0.29 0.3Y
Oct 01, 2017 DIST-A 1 1 0.29 0.2Y
Jul 01, 2017 DIST-A 1 1 0.24 0.3Y
Apr 01, 2017 DIST-A 1 1 0.25 0.2Y
Jan 01, 2017 DIST-A 1 1 0.21 0.2Y
Oct 01, 2016 DIST-A 1 1 0.34 0.2Y
Jul 01, 2016 DIST-A 1 1 0.18 0.2Y
Apr 01, 2016 DIST-A 1 1 0.07 0.2Y
Jan 01, 2016 DIST-A 1 1 0.36 0.2Y
Oct 01, 2015 DIST-A 1 1 0.26 0.2Y
Jul 01, 2015 DIST-A 1 1 0.14 0.2Y
Apr 01, 2015 DIST-A 1 1 0.21 0.2Y
Jan 01, 2015 DIST-A 1 1 0.13 0.2Y
Oct 01, 2014 DIST-A 1 2 0.18 0.2Y
Jul 01, 2014 DIST-A 1 1 0.16 0.2Y
Apr 01, 2014 DIST-A 1 1 0.31 0.2Y
Jan 01, 2014 DIST-A 1 1 0.2 0.2Y
Oct 01, 2013 DIST-A 1 1 0.12 0.2Y
Jul 01, 2013 DIST-A 1 1 0.2 0.2Y
Apr 01, 2013 DIST-A 1 1 0.17 0.2Y
Jan 01, 2013 DIST-A 1 1 0.21 0.2Y
Oct 01, 2012 DIST-A 1 1 0.17 0.2Y
Jul 01, 2012 DIST-A 1 1 0.17 0.2Y
Apr 01, 2012 DIST-A 1 1 0.3000 0.2Y
Jan 01, 2012 DIST-A 1 1 0.2500 0.2Y
Oct 01, 2011 DIST-A 1 1 0.1700 0.2Y
Jul 01, 2011 DIST-A 1 1 0.2300 0.2Y
Apr 01, 2011 DIST-A 1 1 0.2600 0.2Y
Jan 01, 2011 DIST-A 1 1 0.1800 0.2Y
Oct 01, 2010 DIST-A 1 1 0.1600 0.2Y
Jul 01, 2010 DIST-A 1 1 0.2100 0.2Y
Apr 01, 2010 DIST-A 1 1 0.1500 0.2Y
Jan 01, 2010 DIST-A 1 1 0.2200 0.2Y
Oct 01, 2009 DIST-A 1 0 0Y
Jul 01, 2009 DIST-A 1 1 0.2300 0Y
Apr 01, 2009 DIST-A 1 1 0.1200 0Y
Jan 01, 2009 DIST-A 1 1 0.1000 0Y
Oct 01, 2008 DIST-A 1 1 0.2100 0Y
Jul 01, 2008 DIST-A 1 1 0.1000 0Y
Apr 01, 2008 DIST-A 1 1 0.1200 0Y
Jan 01, 2008 DIST-A 1 1 0.1500 0Y
Oct 01, 2007 DIST-A 1 1 0.0400 0Y
Jul 01, 2007 DIST-A 1 1 0.0800 0Y
Apr 01, 2007 DIST-A 1 1 0.1900 0Y
Jan 01, 2007 DIST-A 1 1 0.2000 0Y
Oct 01, 2006 DIST-A 1 1 0.1000 0Y
Jul 01, 2006 DIST-A 1 0 0Y
Apr 01, 2006 DIST-A 1 1 0.1500 0Y
Jan 01, 2006 DIST-A 1 1 0.0800 0Y
Oct 01, 2005 DIST-A 1 1 0.0500 0Y
Jul 01, 2005 DIST-A 1 1 0.1100 0Y
Apr 01, 2005 DIST-A 1 1 0.0700 0Y
Jan 01, 2005 DIST-A 1 1 0.0800 0Y
Oct 01, 2004 DIST-A 1 1 0.1400 0Y