OHA Drinking Water Services
OR41
PWS ID: 05108 ---- TROLLERS COVE WATER ASSN
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
Sep 01, 2025 DIST-A 1 1 1.9 1.3Y
Aug 01, 2025 DIST-A 1 1 1.8 1.2Y
Jul 01, 2025 DIST-A 1 1 1.9 1.1Y
Jun 01, 2025 DIST-A 1 1 1.3 0.8Y
May 01, 2025 DIST-A 1 1 0.3 0.5Y
Apr 01, 2025 DIST-A 1 1 0.8 0.8Y
Mar 01, 2019 DIST-A 1 1 0.6 1.0Y
Jan 01, 2019 DIST-A 1 1 0.6 1.1Y
Oct 01, 2018 DIST-A 1 1 0.6 1.6Y
Jul 01, 2018 DIST-A 1 1 0.6 2.1Y
Apr 01, 2018 DIST-A 1 1 2.6 2.6Y
Jan 01, 2018 DIST-A 1 1 2.6 2.6Y
Oct 01, 2017 DIST-A 1 1 2.5 2.5Y
Jul 01, 2017 DIST-A 1 1 2.6 2.6Y
Apr 01, 2017 DIST-A 1 1 2.6 2.5Y
Jan 01, 2017 DIST-A 1 1 2.5 2.5Y
Oct 01, 2016 DIST-A 1 1 2.6 2.6Y
Jul 01, 2016 DIST-A 1 1 2.5 2.6Y
Apr 01, 2016 DIST-A 1 1 2.6 2.6Y
Jan 01, 2016 DIST-A 1 1 2.6 2.6Y
Oct 01, 2015 DIST-A 1 1 2.7 2.7Y
Jul 01, 2015 DIST-A 1 1 2.6 2.7Y
Apr 01, 2015 DIST-A 1 1 2.6 2.7Y
Jan 01, 2015 DIST-A 1 1 2.7 2.7Y
Dec 01, 2014 DIST-A 1 0 2.7Y
Nov 01, 2014 DIST-A 1 0 2.7Y
Oct 01, 2014 DIST-A 1 1 2.7 2.7Y
Sep 01, 2014 DIST-A 1 0 2.7Y
Aug 01, 2014 DIST-A 1 0 2.7Y
Jul 01, 2014 DIST-A 1 1 2.6 2.7Y
Jun 01, 2014 DIST-A 1 0 2.7Y
May 01, 2014 DIST-A 5 5 2.66 2.7Y
Apr 01, 2014 DIST-A 5 5 2.8 2.6Y
Mar 01, 2014 DIST-A 1 0 2.6Y
Feb 01, 2014 DIST-A 1 0 2.6Y
Jan 01, 2014 DIST-A 1 1 2.5 2.6Y
Dec 01, 2013 DIST-A 1 0 2.6Y
Nov 01, 2013 DIST-A 1 0 2.6Y
Oct 01, 2013 DIST-A 1 1 2.7 2.6Y
Sep 01, 2013 DIST-A 1 0 2.6Y
Aug 01, 2013 DIST-A 1 0 2.6Y
Jul 01, 2013 DIST-A 1 1 2.6 2.6Y
Jun 01, 2013 DIST-A 1 0 2.6Y
May 01, 2013 DIST-A 1 0 2.6Y
Apr 01, 2013 DIST-A 1 1 2.5 2.6Y
Mar 01, 2013 DIST-A 1 0 2.6Y
Feb 01, 2013 DIST-A 1 0 2.6Y
Jan 01, 2013 DIST-A 1 1 2.7 2.6Y
Dec 01, 2012 DIST-A 1 0 2.6Y
Nov 01, 2012 DIST-A 1 0 2.6Y
Oct 01, 2012 DIST-A 1 1 2.5 2.6Y
Sep 01, 2012 DIST-A 1 0 2.6Y
Aug 01, 2012 DIST-A 1 0 2.6Y
Jul 01, 2012 DIST-A 1 1 2.6 2.6Y
Jun 01, 2012 DIST-A 1 0 2.7Y
May 01, 2012 DIST-A 1 0 2.7Y
Apr 01, 2012 DIST-A 1 1 2.6 2.7Y
Mar 01, 2012 DIST-A 1 0 2.7Y
Feb 01, 2012 DIST-A 1 0 2.7Y
Jan 01, 2012 DIST-A 1 1 2.6 2.7Y
Dec 01, 2011 DIST-A 1 0 2.7Y
Nov 01, 2011 DIST-A 1 0 2.7Y
Oct 01, 2011 DIST-A 1 1 2.7 2.7Y
Sep 01, 2011 DIST-A 1 0 2.8Y
Aug 01, 2011 DIST-A 1 0 2.8Y
Jul 01, 2011 DIST-A 1 1 2.7 2.8Y
Jun 01, 2011 DIST-A 1 0 2.8Y
May 01, 2011 DIST-A 1 0 2.8Y
Apr 01, 2011 DIST-A 1 1 2.7 2.8Y
Mar 01, 2011 DIST-A 1 0 2.8Y
Feb 01, 2011 DIST-A 1 0 2.8Y
Jan 01, 2011 DIST-A 1 1 2.8 2.8Y
Dec 01, 2010 DIST-A 1 0 2.7Y
Nov 01, 2010 DIST-A 1 0 2.7Y
Oct 01, 2010 DIST-A 1 1 2.8 2.7Y
Sep 01, 2010 DIST-A 1 0 2.7Y
Aug 01, 2010 DIST-A 1 0 2.7Y
Jul 01, 2010 DIST-A 1 1 2.7 2.7Y
Jun 01, 2010 DIST-A 1 0 2.7Y
May 01, 2010 DIST-A 1 0 2.7Y
Apr 01, 2010 DIST-A 1 1 2.7 2.7Y
Feb 01, 2010 DIST-A 5 0 2.7Y
Jan 01, 2010 DIST-A 5 5 2.7 2.7Y
 



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