OHA Drinking Water Services
OR41
PWS ID: 01136 ---- REES TRAINING CENTER
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 0.57 0.5Y
Jul 01, 2025 DIST-A 1 1 0.67 0.4Y
Apr 01, 2025 DIST-A 1 1 0.45 0.3Y
Jan 01, 2025 DIST-A 1 1 0.18 0.2Y
Oct 01, 2024 DIST-A 1 0 0Y
Oct 01, 2017 DIST-A 1 0 0.1Y
Jul 01, 2017 DIST-A 1 1 0.09 0.2Y
Apr 01, 2017 DIST-A 1 1 0.06 0.4Y
Jan 01, 2017 DIST-A 1 1 0.16 0.6Y
Dec 01, 2016 DIST-A 2 0 0.7Y
Nov 01, 2016 DIST-A 1 1 0.23 0.7Y
Oct 01, 2016 DIST-A 2 2 0.86 0.7Y
Sep 01, 2016 DIST-A 2 2 0.50 0.7Y
Aug 01, 2016 DIST-A 2 2 0.90 0.7Y
Jul 01, 2016 DIST-A 2 2 0.7 0.7Y
Jun 01, 2016 DIST-A 2 2 1 0.5Y
May 01, 2016 DIST-A 2 3 1.2 0.5Y
Apr 01, 2016 DIST-A 2 2 1.06 0.4Y
Jan 01, 2016 DIST-A 1 1 0.26 0.3Y
Oct 01, 2015 DIST-A 1 1 0.64 0.3Y
Jul 01, 2015 DIST-A 1 1 0.12 0.2Y
Apr 01, 2015 DIST-A 1 1 0.09 0.2Y
Jan 01, 2015 DIST-A 1 1 0.51 0.3Y
Oct 01, 2014 DIST-A 1 1 0.21 0.2Y
Jul 01, 2014 DIST-A 1 1 0.08 0.3Y
Apr 01, 2014 DIST-A 1 1 0.23 0.3Y
Jan 01, 2014 DIST-A 1 1 0.36 0.4Y
Oct 01, 2013 DIST-A 1 1 0.44 0.4Y
Jul 01, 2013 DIST-A 1 3 0.19 0.3Y
Apr 01, 2013 DIST-A 1 1 0.5 0.4Y
Jan 01, 2013 DIST-A 1 1 0.3 0.3Y
Oct 01, 2012 DIST-A 1 1 0.3 0.3Y
Jul 01, 2012 DIST-A 1 1 0.4 0.2Y
Apr 01, 2012 DIST-A 1 1 0.2 0.6Y
Jan 01, 2012 DIST-A 1 1 0.2 0.6Y
Oct 01, 2011 DIST-A 1 1 0.02 0.6Y
Jul 01, 2011 DIST-A 1 1 2 0.7Y
Apr 01, 2011 DIST-A 1 1 0.2 0.2Y
Jan 01, 2011 DIST-A 1 1 0.2 0.2Y
Dec 01, 2010 DIST-A 5 0 0.2Y
Oct 01, 2010 DIST-A 5 2 0.1 0.2Y
Jul 01, 2010 DIST-A 1 3 0.2 0.2Y
Apr 01, 2010 DIST-A 1 3 0.2 0.2Y
Jan 01, 2010 DIST-A 1 3 0.2 0.2Y
Oct 01, 2009 DIST-A 1 2 0.2 0.2Y
Jul 01, 2009 DIST-A 1 2 0.2 0.2Y
Apr 01, 2009 DIST-A 1 4 0.2 0.2Y
Jan 01, 2009 DIST-A 1 3 0.2 0.2Y
Oct 01, 2008 DIST-A 1 3 0.2 0.2Y
Jul 01, 2008 DIST-A 1 4 0.2 0.2Y
Apr 01, 2008 DIST-A 1 3 0.2 0.3Y
Jan 01, 2008 DIST-A 1 3 0.2 0.3Y
Oct 01, 2007 DIST-A 1 5 0.3 0.3Y
Jul 01, 2007 DIST-A 5 7 0.3 0.3Y
Apr 01, 2007 DIST-A 1 2 0.3 0.2Y
Jan 01, 2007 DIST-A 1 2 0.30 0.2Y
Oct 01, 2006 DIST-A 1 3 0.2 0.2Y
Jul 01, 2006 DIST-A 1 2 0.2 0.2Y
Apr 01, 2006 DIST-A 1 2 0.2 0.2Y
Jan 01, 2006 DIST-A 1 3 0.3 0.2Y
Oct 01, 2005 DIST-A 1 3 0.3 0.2Y
Jul 01, 2005 DIST-A 1 3 0.2 0.2Y
Apr 01, 2005 DIST-A 1 3 0.2 0.2Y
Jan 01, 2005 DIST-A 1 3 0.2 0.2Y
Oct 01, 2004 DIST-A 1 2 0.3 0.3Y