OHA Drinking Water Services
PWS ID: 00869 ---- THE DALLES, CITY OF

Corrosion Control (LCR)

Minimums Required For This System
Facility pH Alkalinity Phosphate Silicate Required Frequency Last Modified
 
-- indicates that the system is not required to test for that parameter
* Entry point readings can be taken daily but are required at least every 14 days.
DIST-A 7.0 -- 0.4 -- 3 Years Mar 08, 2017
EP-A 7.0 -- 0.4 -- * Jan 23, 2019
EP-B 7.8 -- 0.4 -- * Sep 22, 2021
EP-C 7.8 -- 0.4 -- * Jan 23, 2019
EP-D 7.6 -- 0.4 -- * Jan 23, 2019


Test Results
Period Facility Excursions
This Period		 Total Excursions
For 6-Month
Monitoring Period		 Date Received
 
Oct 2021 (pdf) EP-A 0 0 Nov 08, 2021
Oct 2021 (pdf) EP-B 0 Nov 08, 2021
Oct 2021 (pdf) EP-C 0 Nov 08, 2021
Oct 2021 (pdf) EP-D 0 Nov 08, 2021 - Requirement not met*
Sep 2021 (pdf) EP-A 0 Oct 04, 2021
Sep 2021 (pdf) EP-B 0 Oct 04, 2021
Sep 2021 (pdf) EP-C 0 Oct 04, 2021
Sep 2021 (pdf) EP-D 0 Oct 04, 2021
Aug 2021 (pdf) EP-A 0 Sep 09, 2021
Aug 2021 (pdf) EP-B 0 Sep 09, 2021
Aug 2021 (pdf) EP-C 0 Sep 09, 2021
Aug 2021 (pdf) EP-D 0 Sep 09, 2021
Jul 2021 (pdf) DIST-A 0 Sep 02, 2021
Jul 2021 (pdf) EP-A 0 Aug 04, 2021
Jul 2021 (pdf) EP-B 0 Aug 04, 2021
Jul 2021 (pdf) EP-C 0 Aug 04, 2021
Jul 2021 (pdf) EP-D 0 Aug 04, 2021
Jun 2021 (pdf) EP-A 0 0 Jul 09, 2021
Jun 2021 (pdf) EP-B 0 Jul 09, 2021
Jun 2021 (pdf)
Jun 2021 Amended (pdf)		 EP-C 0 Jul 09, 2021
Jun 2021 (pdf) EP-D 0 Jul 09, 2021
May 2021 (pdf) EP-A 0 Jun 07, 2021
May 2021 (pdf) EP-B 0 Jun 07, 2021
May 2021 (pdf) EP-C 0 Jun 07, 2021
May 2021 (pdf) EP-D 0 Jun 07, 2021
Apr 2021 (pdf) EP-A 0 May 05, 2021
Apr 2021 (pdf) EP-B 0 May 05, 2021
Apr 2021 (pdf) EP-C 0 May 05, 2021
Apr 2021 (pdf) EP-D 0 May 05, 2021
Mar 2021 (pdf) EP-A 0 Apr 06, 2021
Mar 2021 (pdf) EP-B 0 Apr 06, 2021
Mar 2021 (pdf) EP-C 0 Apr 06, 2021
Mar 2021 (pdf) EP-D 0 Apr 06, 2021
Feb 2021 (pdf) EP-A 0 Mar 03, 2021
Feb 2021 (pdf) EP-B 0 Mar 03, 2021
Feb 2021 (pdf) EP-C 0 Mar 03, 2021
Feb 2021 (pdf) EP-D 0 Mar 03, 2021
Jan 2021 (pdf) EP-A 0 Feb 04, 2021
Jan 2021 (pdf) EP-B 0 Feb 04, 2021
Jan 2021 (pdf) EP-C 0 Feb 04, 2021
Jan 2021 (pdf) EP-D 0 Feb 04, 2021
Dec 2020 EP-A 0 2 Jan 06, 2021
Dec 2020 EP-B 0 Jan 06, 2021
Dec 2020 EP-C 0 Jan 06, 2021
Dec 2020 EP-D 0 Jan 06, 2021
Nov 2020 EP-A 0 Dec 09, 2020
Nov 2020 EP-B 0 Dec 09, 2020
Nov 2020 EP-C 0 Dec 09, 2020
Nov 2020 EP-D 0 Dec 09, 2020
Oct 2020 EP-A 0 Nov 02, 2020
Oct 2020 EP-B 0 Nov 02, 2020
Oct 2020 EP-C 0 Nov 02, 2020
Oct 2020 EP-D 0 Nov 02, 2020
Sep 2020 EP-A 0 Oct 02, 2020
Sep 2020 EP-B 0 Oct 02, 2020
Sep 2020 EP-C 0 Oct 02, 2020
Sep 2020 EP-D 0 Oct 02, 2020
Aug 2020 EP-A 0 Sep 04, 2020
Aug 2020 EP-B 0 Sep 04, 2020
Aug 2020 EP-C 2 Sep 04, 2020
Aug 2020 EP-D 0 Sep 04, 2020
Jul 2020 EP-A 0 Aug 04, 2020
Jul 2020 EP-B 0 Aug 04, 2020
Jul 2020 EP-C 0 Aug 04, 2020
Jul 2020 EP-D 0 Aug 04, 2020
Jun 2020 EP-A 0 0 Jul 10, 2020
Jun 2020 EP-B 0 Jul 10, 2020
Jun 2020 EP-C 0 Jul 10, 2020
Jun 2020 EP-D 0 Jul 10, 2020
May 2020 EP-A 0 Jun 04, 2020
May 2020 EP-B 0 Jun 04, 2020
May 2020 EP-C 0 Jun 04, 2020
May 2020 EP-D 0 Jun 04, 2020
Apr 2020 EP-A 0 May 04, 2020
Apr 2020 EP-B 0 May 04, 2020
Apr 2020 EP-C 0 May 04, 2020
Apr 2020 EP-D 0 May 04, 2020
Mar 2020 EP-A 0 Apr 06, 2020
Mar 2020 EP-B 0 Apr 06, 2020
Mar 2020 EP-C 0 Apr 06, 2020
Mar 2020 EP-D 0 Apr 06, 2020
Feb 2020 EP-A 0 Mar 03, 2020
Feb 2020 EP-B 0 Mar 03, 2020
Feb 2020 EP-C 0 Mar 03, 2020
Feb 2020 EP-D 0 Mar 03, 2020
Jan 2020 EP-A 0 Feb 07, 2020
Jan 2020 EP-B 0 Feb 07, 2020
Dec 2019 EP-A 0 1 Jan 09, 2020
Dec 2019 EP-B 0 Jan 09, 2020
Nov 2019 EP-A 0 Dec 09, 2019
Oct 2019 EP-A 0 Nov 06, 2019
Sep 2019 EP-A 0 Oct 04, 2019
Sep 2019 EP-C 0 Oct 24, 2019
Sep 2019 EP-D 0 Oct 04, 2019
Aug 2019 EP-A 1 Sep 06, 2019
Aug 2019 EP-C 0 Sep 06, 2019
Aug 2019 EP-D 0 Sep 06, 2019
Jul 2019 EP-A 0 Aug 06, 2019
Jul 2019 EP-C 0 Aug 06, 2019
Jul 2019 EP-D 0 Aug 06, 2019
Jun 2019 EP-A 0 0 Jul 02, 2019
Jun 2019 EP-C 0 Jul 02, 2019
Jun 2019 EP-D 0 Jul 02, 2019
May 2019 EP-A 0 Jun 04, 2019
May 2019 EP-C 0 Jun 04, 2019
Apr 2019 EP-A 0 May 06, 2019
Apr 2019 EP-C 0 May 06, 2019
Mar 2019 EP-A 0 Apr 03, 2019
Feb 2019 EP-A 0 Mar 01, 2019
Jan 2019 EP-A 0 Feb 08, 2019
Dec 2018 EP-A 0 3 Jan 10, 2019
Nov 2018 EP-A 0 Dec 10, 2018
Nov 2018 EP-C 0 Dec 10, 2018
Oct 2018 EP-A 0 Nov 02, 2018
Oct 2018 EP-C 0 Nov 02, 2018
Oct 2018 EP-D 0 Nov 02, 2018
Sep 2018 EP-A 0 Oct 09, 2018
Sep 2018 EP-C 0 Oct 09, 2018
Sep 2018 EP-D 0 Oct 09, 2018
Aug 2018 EP-A 0 Sep 10, 2018
Aug 2018 EP-C 0 Sep 10, 2018
Aug 2018 EP-D 0 Sep 10, 2018
Jul 2018 DIST-A 3 Dec 19, 2018
Jul 2018 EP-A 0 Aug 06, 2018
Jul 2018 EP-C 0 Aug 06, 2018
Jul 2018 EP-D 0 Aug 06, 2018
Jun 2018 EP-A 0 0 Jul 06, 2018
Jun 2018 EP-C 0 Jul 06, 2018
Jun 2018 EP-D 0 Jul 06, 2018
May 2018 EP-A 0 Jun 04, 2018
May 2018 EP-C 0 Jun 04, 2018
May 2018 EP-D 0 Jun 04, 2018
Apr 2018 EP-A 0 May 04, 2018
Mar 2018 EP-A 0 Apr 09, 2018
Feb 2018 EP-A 0 Mar 02, 2018
Jan 2018 EP-A 0 Feb 07, 2018
Dec 2017 EP-A 0 1 Jan 05, 2018
Nov 2017 EP-A 0 Dec 08, 2017
Oct 2017 EP-A 0 Nov 03, 2017
Sep 2017 EP-A 0 Oct 09, 2017
Aug 2017 EP-A 0 Sep 01, 2017
Jul 2017 EP-A 0 Aug 04, 2017
Jul 2017 EP-C 0 Aug 04, 2017
Jul 2017 EP-D 1 Aug 04, 2017
Jun 2017 EP-A 0 0 Jul 07, 2017
May 2017 EP-A 0 Jun 08, 2017
Apr 2017 EP-A 0 May 09, 2017
Mar 2017 EP-A 0 Apr 06, 2017
Feb 2017 EP-A 0 Mar 10, 2017
Jan 2017 EP-A 0 Feb 03, 2017
Dec 2016 EP-A 0 0 Jan 09, 2017
Nov 2016 EP-A 0 Dec 06, 2016
Oct 2016 EP-A 0 Nov 07, 2016
Sep 2016 EP-A 0 Oct 05, 2016
Aug 2016 EP-A 0 Sep 09, 2016
Jul 2016 EP-A 0 Aug 08, 2016
Jun 2016 EP-A 0 0 Jul 05, 2016
May 2016 EP-A 0 Jun 07, 2016
Apr 2016 EP-A 0 May 09, 2016
Mar 2016 EP-A 0 Apr 08, 2016
Feb 2016 EP-A 0 Mar 09, 2016
Jan 2016 EP-A 0 Feb 10, 2016
Dec 2015 EP-A 0 0 Jan 05, 2016
Nov 2015 EP-A 0 Dec 08, 2015
Oct 2015 EP-A 0 Nov 05, 2015
Sep 2015 EP-A 0 Oct 09, 2015
Aug 2015 EP-A 0 Sep 09, 2015
Jul 2015 DIST-A 0 Aug 25, 2015
Jul 2015 EP-A 0 Aug 10, 2015
Jun 2015 EP-A 0 0 Jul 08, 2015
May 2015 EP-A 0 Jun 03, 2015
Apr 2015 EP-A 0 May 05, 2015
Mar 2015 EP-A 0 Apr 06, 2015
Feb 2015 EP-A 0 Mar 09, 2015
Jan 2015 EP-A 0 Feb 03, 2015
Dec 2014 EP-A 0 0 Jan 09, 2015
Nov 2014 EP-A 0 Dec 04, 2014
Oct 2014 EP-A 0 Nov 05, 2014
Sep 2014 EP-A 0 Oct 06, 2014
Aug 2014 EP-A 0 Sep 05, 2014
Jul 2014 EP-A 0 Aug 08, 2014
Jun 2014 EP-A 0 0 Jul 07, 2014
May 2014 EP-A 0 Jun 06, 2014
Apr 2014 EP-A 0 May 06, 2014
Mar 2014 EP-A 0 Apr 02, 2014
Feb 2014 EP-A 0 Mar 06, 2014
Jan 2014 EP-A 0 Feb 10, 2014
Dec 2013 EP-A 0 0 Jan 06, 2014
Nov 2013 EP-A 0 Dec 05, 2013
Oct 2013 EP-A 0 Nov 01, 2013
Sep 2013 EP-A 0 Oct 03, 2013
Aug 2013 EP-A 0 Sep 05, 2013
Jul 2013 EP-A 0 Aug 07, 2013
Jun 2013 EP-A 0 0 Jul 08, 2013
May 2013 EP-A 0 Jun 04, 2013
Apr 2013 EP-A 0 May 06, 2013
Mar 2013 EP-A 0 Apr 04, 2013
Feb 2013 EP-A 0 Mar 04, 2013
Jan 2013 EP-A 0 Feb 05, 2013
Dec 2012 EP-A 0 0 Jan 03, 2013
Nov 2012 EP-A 0 Dec 10, 2012
Oct 2012 EP-A 0 Nov 06, 2012
Sep 2012 EP-A 0 Oct 03, 2012
Aug 2012 DIST-A 0 Sep 07, 2012
Aug 2012 EP-A 0 Sep 07, 2012
Jul 2012 EP-A 0 Aug 06, 2012
Jun 2012 EP-A 0 0 Jul 09, 2012
May 2012 EP-A 0 Jun 04, 2012
Apr 2012 EP-A 0 May 03, 2012
Mar 2012 EP-A 0 Apr 06, 2012
Feb 2012 EP-A 0 Mar 05, 2012
Jan 2012 EP-A 0 Feb 07, 2012
Dec 2011 EP-A 0 0 Jan 04, 2012
Nov 2011 EP-A 0 Dec 05, 2011
Oct 2011 EP-A 0 Nov 04, 2011
Sep 2011 EP-A 0 Oct 05, 2011
Aug 2011 EP-A 0 Sep 02, 2011
Jul 2011 EP-A 0 Aug 04, 2011
Jun 2011 EP-A 0 0 Jul 01, 2011
May 2011 EP-A 0 Jun 01, 2011
Apr 2011 EP-A 0 May 02, 2011
Mar 2011 EP-A 0 Apr 01, 2011
Feb 2011 EP-A 0 Mar 02, 2011
Jan 2011 EP-A 0 Feb 02, 2011
Dec 2010 EP-A 0 0 Jan 04, 2011
Nov 2010 EP-A 0 Dec 01, 2010
Oct 2010 EP-A 0 Nov 01, 2010
Sep 2010 EP-A 0 Oct 01, 2010
Aug 2010 EP-A 0 Sep 01, 2010
Jul 2010 EP-A 0 Aug 02, 2010
Jun 2010 EP-A 0 0 Jul 01, 2010
May 2010 EP-A 0 Jun 02, 2010
Apr 2010 EP-A 0 May 03, 2010
Mar 2010 EP-A 0 Apr 05, 2010
Feb 2010 EP-A 0 Mar 02, 2010
Jan 2010 EP-A 0 Feb 02, 2010
Dec 2009 EP-A 0 0 Jan 02, 2010
Nov 2009 EP-A 0 Dec 01, 2009
Oct 2009 EP-A 0 Nov 03, 2009
Sep 2009 EP-A 0 Oct 02, 2009
Aug 2009 DIST-A 0 Sep 09, 2009
Aug 2009 EP-A 0 Sep 02, 2009
Jul 2009 EP-A 0 Aug 03, 2009
Jun 2009 EP-A 0 0 Jul 02, 2009
May 2009 EP-A 0 Jun 03, 2009
Apr 2009 EP-A 0 May 04, 2009
Mar 2009 EP-A 0 Apr 06, 2009
Feb 2009 EP-A 0 Mar 02, 2009
Jan 2009 EP-A 0 Feb 03, 2009
Dec 2008 EP-A 0 0 Jan 05, 2009
Nov 2008 EP-A 0 Dec 04, 2008
Oct 2008 EP-A 0 Nov 05, 2008
Sep 2008 EP-A 0 Oct 03, 2008
Aug 2008 EP-A 0 Sep 04, 2008
Jul 2008 EP-A 0 Aug 06, 2008
Jun 2008 EP-A 0 0 Jul 03, 2008
May 2008 EP-A 0 Jun 03, 2008
Apr 2008 EP-A 0 May 05, 2008
Mar 2008 EP-A 0 Apr 07, 2008
Feb 2008 EP-A 0 Mar 10, 2008
Jan 2008 EP-A 0 Feb 08, 2008
Dec 2007 EP-A 0 0 Jan 09, 2008
Nov 2007 EP-A 0 Dec 10, 2007
Oct 2007 EP-A 0 Nov 08, 2007
Sep 2007 EP-A 0 Oct 10, 2007
Aug 2007 EP-A 0 Sep 10, 2007
Jul 2007 EP-A 0 Aug 10, 2007
Jun 2007 EP-A 0 0 Jul 09, 2007
May 2007 EP-A 0 Jun 08, 2007
Apr 2007 EP-A 0 May 09, 2007
Mar 2007 EP-A 0 Apr 09, 2007
Feb 2007 EP-A 0 Mar 06, 2007
Jan 2007 EP-A 0 Feb 05, 2007
Dec 2006 EP-A 0 0 Jan 08, 2007
Nov 2006 EP-A 0 Dec 05, 2006
Oct 2006 EP-A 0 Nov 06, 2006
Sep 2006 EP-A 0 Oct 10, 2006
Aug 2006 DIST-A 0 Sep 11, 2006
Aug 2006 EP-A 0 Sep 07, 2006
Jul 2006 EP-A 0 Aug 08, 2006
Jun 2006 EP-A 0 0 Jul 10, 2006
May 2006 EP-A 0 Jun 06, 2006
Apr 2006 EP-A 0 May 05, 2006
Mar 2006 EP-A 0 Apr 05, 2006
Feb 2006 EP-A 0 Mar 08, 2006
Jan 2006 EP-A 0 Feb 08, 2006
Dec 2005 EP-A 0 0 Jan 06, 2006
Nov 2005 EP-A 0 Dec 08, 2005
Oct 2005 EP-A 0 Nov 08, 2005
Sep 2005 EP-A 0 Oct 07, 2005
Aug 2005 EP-A 0 Sep 07, 2005
Jul 2005 EP-A 0 Aug 05, 2005
Jun 2005 EP-A 0 0 Jul 07, 2005
May 2005 EP-A 0 Jun 06, 2005
Apr 2005 EP-A 0 May 04, 2005
Mar 2005 EP-A 0 Apr 06, 2005
Feb 2005 EP-A 0 Mar 09, 2005
Jan 2005 EP-A 0 Feb 07, 2005
Dec 2004 EP-A 0 0 Jan 10, 2005
Nov 2004 EP-A 0 Dec 09, 2004
Oct 2004 EP-A 0 Nov 05, 2004
Sep 2004 EP-A 0 Oct 08, 2004
Aug 2004 EP-A 0 Sep 07, 2004
Jul 2004 EP-A 0 Aug 09, 2004
Jun 2004 EP-A 0 0 Jul 08, 2004
May 2004 EP-A 0 Jun 09, 2004
Apr 2004 EP-A 0 May 06, 2004
Mar 2004 EP-A 0 Apr 06, 2004
Feb 2004 EP-A 0 Mar 09, 2004
Jan 2004 EP-A 0 Feb 10, 2004
Dec 2003 EP-A 0 0 Jan 09, 2004
Nov 2003 EP-A 0 Dec 09, 2003
Oct 2003 EP-A 0 Nov 06, 2003
Sep 2003 DIST-A 0 Oct 08, 2003
Sep 2003 EP-A 0 Oct 06, 2003
Aug 2003 EP-A 0 Sep 08, 2003
Jul 2003 EP-A 0 Aug 08, 2003
Jun 2003 EP-A 0 0 Jul 08, 2003
May 2003 EP-A 0 Jun 03, 2003
Apr 2003 EP-A 0 May 08, 2003
Mar 2003 EP-A 0 Apr 09, 2003
Feb 2003 EP-A 0 Mar 06, 2003
Jan 2003 EP-A 0 Feb 06, 2003
Dec 2002 EP-A 0 0 Jan 07, 2003
Nov 2002 EP-A 0 Dec 09, 2002
Oct 2002 EP-A 0 Nov 18, 2002
Sep 2002 EP-A 0 Oct 11, 2002
Aug 2002 EP-A 0 Sep 10, 2002
Jul 2002 EP-A 0 Aug 07, 2002
Jun 2002 EP-A 0 0 Jul 12, 2002
May 2002 EP-A 0 Jun 10, 2002
Apr 2002 EP-A 0 May 10, 2002
Mar 2002 EP-A 0 Apr 11, 2002
Feb 2002 EP-A 0 Mar 11, 2002
Jan 2002 EP-A 0 Feb 12, 2002
Dec 2001 EP-A 0 0 Jan 11, 2002
Nov 2001 EP-A 0 Dec 10, 2001
Oct 2001 EP-A 0 Nov 08, 2001
Sep 2001 EP-A 0 Oct 09, 2001
Aug 2001 EP-A 0 Sep 10, 2001
Jul 2001 EP-A 0 Aug 10, 2001
Jun 2001 EP-A 0 0 Jul 10, 2001
May 2001 EP-A 0 Jun 01, 2001
Apr 2001 EP-A 0 May 07, 2001
Mar 2001 EP-A 0 Apr 10, 2001
Feb 2001 EP-A 0 Mar 06, 2001
Jan 2001 EP-A 0 Feb 08, 2001
Dec 2000 EP-A 0 0 Jan 08, 2001
Nov 2000 EP-A 0 Dec 07, 2000
Oct 2000 EP-A 0 Nov 06, 2000
Sep 2000 EP-A 0 Oct 05, 2000
Aug 2000 EP-A 0 Sep 11, 2000
Jul 2000 EP-A 0 Aug 09, 2000
Jun 2000 EP-A 0 0 Jul 11, 2000
May 2000 EP-A 0 Jul 07, 2000
Apr 2000 EP-A 0 May 03, 2000
Mar 2000 EP-A 0 Apr 11, 2000
Feb 2000 EP-A 0 Mar 07, 2000
Jan 2000 EP-A 0 Feb 07, 2000
Dec 1999 EP-A 0 0 Dec 01, 1999
Nov 1999 EP-A 0 Dec 09, 1999
Oct 1999 EP-A 0 Oct 01, 1999
Sep 1999 EP-A 0 Sep 01, 1999
Aug 1999 EP-A 0 Aug 01, 1999
Jul 1999 EP-A 0 Jul 01, 1999
Jun 1999 EP-A 0 0 Jun 01, 1999
May 1999 EP-A 0 Jun 14, 1999
Apr 1999 EP-A 0 Apr 01, 1999
Mar 1999 EP-A 0 Apr 07, 1999
Feb 1999 EP-A 0 Mar 09, 1999
Jan 1999 EP-A 0 Feb 08, 1999
Jun 1998 EP-A 0 0 Aug 05, 1998


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