OHA Drinking Water Services
OR41
PWS ID: 94717 ---- COLUMBIA RIVER PUD
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 7.2 -- -- -- 3 Years Aug 30, 2001
EP-A 7.2 -- -- -- * Aug 30, 2001


Test Results
Period Facility Excursions
This Period
Total Excursions
For 6-Month
Monitoring Period
Date Received
 
Feb 2024 (pdf) EP-A 0 0 Mar 01, 2024
Jan 2024 (pdf) EP-A 0 Feb 01, 2024
Dec 2023 (pdf) EP-A 0 0 Jan 03, 2024
Nov 2023 (pdf) EP-A 0 Nov 30, 2023
Oct 2023 (pdf) EP-A 0 Nov 01, 2023
Sep 2023 (pdf) EP-A 0 Oct 03, 2023
Aug 2023 (pdf) EP-A 0 Sep 01, 2023
Jul 2023 (pdf) EP-A 0 Aug 01, 2023
Jun 2023 (pdf) EP-A 0 0 Jul 25, 2023
May 2023 (pdf) EP-A 0 Jul 25, 2023
Apr 2023 (pdf) EP-A 0 May 02, 2023
Mar 2023 (pdf) EP-A 0 Apr 04, 2023
Feb 2023 (pdf) EP-A 0 Mar 08, 2023
Jan 2023 (pdf) EP-A 0 Jan 26, 2023
Dec 2022 (pdf) EP-A 0 0 Jan 03, 2023
Nov 2022 (pdf) EP-A 0 Dec 01, 2022
Oct 2022 (pdf) EP-A 0 Nov 01, 2022
Sep 2022 (pdf) EP-A 0 Oct 05, 2022
Aug 2022 (pdf) EP-A 0 Sep 01, 2022
Jul 2022 (pdf) EP-A 0 Aug 10, 2022
Jun 2022 (pdf) EP-A 0 0 Jul 05, 2022
May 2022 (pdf) EP-A 0 Jun 01, 2022
Apr 2022 (pdf) EP-A 0 May 16, 2022
Mar 2022 (pdf) EP-A 0 Apr 12, 2022
Feb 2022 (pdf) EP-A 0 Mar 02, 2022
Jan 2022 (pdf) EP-A 0 Jan 31, 2022
Dec 2021 (pdf) EP-A 0 0 Jan 05, 2022
Nov 2021 (pdf) EP-A 0 Nov 29, 2021
Oct 2021 (pdf) EP-A 0 Oct 29, 2021 - Requirement not met*
Sep 2021 (pdf) EP-A 0 Sep 24, 2021
Aug 2021 (pdf) EP-A 0 Aug 27, 2021
Jul 2021 (pdf) EP-A 0 Jul 28, 2021 - Requirement not met*
Jun 2021 (pdf) EP-A 0 0 Jul 02, 2021
May 2021 (pdf) EP-A 0 May 28, 2021
Apr 2021 (pdf) EP-A 0 Apr 29, 2021
Mar 2021 (pdf) EP-A 0 Mar 26, 2021
Feb 2021 (pdf) EP-A 0 Feb 26, 2021
Jan 2021 (pdf) EP-A 0 Feb 01, 2021
Dec 2020 EP-A 0 0 Dec 29, 2020
Nov 2020 EP-A 0 Dec 01, 2020
Oct 2020 EP-A 0 Oct 26, 2020
Sep 2020 EP-A 0 Sep 25, 2020
Aug 2020 EP-A 0 Aug 28, 2020
Jul 2020 EP-A 0 Jul 31, 2020
Jun 2020 EP-A 0 0 Jul 01, 2020
May 2020 EP-A 0 May 29, 2020
Apr 2020 EP-A 0 May 01, 2020
Mar 2020 EP-A 0 Apr 08, 2020
Feb 2020 DIST-A 0 Mar 02, 2020
Feb 2020 EP-A 0 Apr 08, 2020
Jan 2020 DIST-A 0 Jan 31, 2020
Dec 2019 DIST-A 0 0 Dec 31, 2019
Nov 2019 DIST-A 0 Dec 09, 2019
Oct 2019 DIST-A 0 Nov 06, 2019
Sep 2019 DIST-A 0 Oct 03, 2019
Aug 2019 DIST-A 0 Sep 03, 2019
Jul 2019 DIST-A 0 Aug 01, 2019
Jun 2019 DIST-A 0 0 Jun 28, 2019
May 2019 DIST-A 0 Jun 03, 2019
Apr 2019 DIST-A 0 May 02, 2019
Mar 2019 DIST-A 0 Apr 03, 2019
Feb 2019 EP-A 0 Mar 01, 2019
Jan 2019 EP-A 0 Feb 04, 2019
Dec 2018 EP-A 0 0 Dec 31, 2018
Nov 2018 EP-A 0 Nov 30, 2018
Oct 2018 EP-A 0 Nov 01, 2018
Sep 2018 EP-A 0 Sep 28, 2018
Aug 2018 EP-A 0 Aug 31, 2018
Jul 2018 EP-A 0 Jul 30, 2018
Jun 2018 EP-A 0 0 Jul 05, 2018
May 2018 EP-A 0 Jun 01, 2018
Apr 2018 EP-A 0 May 02, 2018
Mar 2018 EP-A 0 Apr 06, 2018
Feb 2018 EP-A 0 Mar 07, 2018
Jan 2018 EP-A 0 Feb 02, 2018
Dec 2017 EP-A 0 0 Jan 02, 2018
Nov 2017 EP-A 0 Nov 29, 2017
Oct 2017 EP-A 0 Oct 30, 2017
Sep 2017 EP-A 0 Oct 02, 2017
Aug 2017 EP-A 0 Aug 31, 2017
Jul 2017 EP-A 0 Aug 03, 2017
Jun 2017 EP-A 0 0 Jun 29, 2017
May 2017 EP-A 0 May 30, 2017
Apr 2017 EP-A 0 May 01, 2017
Mar 2017 EP-A 0 Apr 03, 2017
Feb 2017 EP-A 0 Mar 02, 2017
Jan 2017 EP-A 0 Feb 01, 2017
Dec 2016 EP-A 0 0 Dec 29, 2016
Nov 2016 EP-A 0 Dec 05, 2016
Oct 2016 EP-A 0 Oct 31, 2016
Sep 2016 EP-A 0 Sep 29, 2016
Aug 2016 EP-A 0 Aug 29, 2016
Jul 2016 EP-A 0 Aug 01, 2016
Jun 2016 EP-A 0 0 Jul 07, 2016
May 2016 EP-A 0 May 31, 2016
Apr 2016 EP-A 0 May 05, 2016
Mar 2016 EP-A 0 Apr 04, 2016
Feb 2016 EP-A 0 Mar 07, 2016
Jan 2016 EP-A 0 Feb 01, 2016
Dec 2015 EP-A 0 0 Dec 31, 2015
Nov 2015 EP-A 0 Dec 02, 2015
Oct 2015 EP-A 0 Nov 06, 2015
Sep 2015 EP-A 0 Oct 02, 2015
Aug 2015 EP-A 0 Aug 31, 2015
Jul 2015 EP-A 0 Jul 31, 2015
Jun 2015 EP-A 0 0 Jun 01, 2015
May 2015 EP-A 0 Jun 03, 2015
Apr 2015 EP-A 0 May 01, 2015
Mar 2015 EP-A 0 Apr 03, 2015
Feb 2015 EP-A 0 Mar 06, 2015
Jan 2015 EP-A 0 Feb 04, 2015
Dec 2014 EP-A 0 0 Jan 02, 2015
Nov 2014 EP-A 0 Nov 28, 2014
Oct 2014 EP-A 0 Oct 31, 2014
Sep 2014 EP-A 0 Oct 02, 2014
Aug 2014 EP-A 0 Sep 03, 2014
Jul 2014 EP-A 0 Jul 31, 2014
Jun 2014 EP-A 0 0 Jun 26, 2014
May 2014 EP-A 0 Jun 02, 2014
Apr 2014 EP-A 0 May 01, 2014
Mar 2014 EP-A 0 Mar 27, 2014
Feb 2014 EP-A 0 Feb 28, 2014
Jan 2014 EP-A 0 Feb 04, 2014
Dec 2013 EP-A 0 19 Dec 31, 2013
Nov 2013 EP-A 0 Dec 03, 2013
Oct 2013 EP-A 14 Nov 06, 2013
Sep 2013 EP-A 5 Oct 10, 2013
Aug 2013 EP-A 0 Aug 30, 2013
Jul 2013 EP-A 0 Jul 26, 2013
Jun 2013 EP-A 0 0 Jun 27, 2013
May 2013 EP-A 0 Jun 04, 2013
Apr 2013 EP-A 0 Apr 25, 2013
Mar 2013 EP-A 0 Mar 28, 2013
Feb 2013 EP-A 0 Mar 01, 2013
Jan 2013 EP-A 0 Feb 04, 2013
Dec 2012 EP-A 0 0 Jan 03, 2013
Nov 2012 EP-A 0 Dec 05, 2012
Oct 2012 EP-A 0 Nov 05, 2012
Sep 2012 EP-A 0 Oct 01, 2012
Aug 2012 EP-A 0 Sep 07, 2012
Jul 2012 EP-A 0 Aug 09, 2012
Jun 2012 EP-A 0 0 Jun 27, 2012
May 2012 EP-A 0 Jun 05, 2012
Apr 2012 EP-A 0 Jun 05, 2012
Mar 2012 EP-A 0 Mar 30, 2012
Feb 2012 EP-A 0 Mar 09, 2012
Jan 2012 EP-A 0 Jan 31, 2012
Dec 2011 EP-A 0 0 Jan 11, 2012
Nov 2011 EP-A 0 Dec 02, 2011
Oct 2011 EP-A 0 Oct 26, 2011
Sep 2011 EP-A 0 Oct 06, 2011
Aug 2011 EP-A 0 Sep 08, 2011
Jul 2011 EP-A 0 Jul 28, 2011
Jun 2011 EP-A 0 0 Jul 08, 2011
May 2011 EP-A 0 Jun 07, 2011
Apr 2011 EP-A 0 May 03, 2011
Feb 2011 EP-A 0 Mar 08, 2011
Jan 2011 EP-A 0 Feb 16, 2011
Dec 2010 EP-A 0 0 Jan 07, 2011
Nov 2010 EP-A 0 Dec 01, 2010
Oct 2010 EP-A 0 Oct 28, 2010
Sep 2010 EP-A 0 Sep 29, 2010
Aug 2010 EP-A 0 Aug 31, 2010
Jul 2010 EP-A 0 Aug 04, 2010
Apr 2010 EP-A 0 0 May 05, 2010
Mar 2010 EP-A 0 Apr 01, 2010
Aug 2009 EP-A 0 0 Sep 08, 2009
Jul 2009 EP-A 0 Aug 17, 2009
Jun 2009 EP-A 0 0 Jul 06, 2009
May 2009 EP-A 0 May 28, 2009
Apr 2009 EP-A 0 Apr 30, 2009
Mar 2009 EP-A 0 Apr 30, 2009
Feb 2009 EP-A 0 Mar 06, 2009
Dec 2008 EP-A 0 0 Jan 22, 2009
Nov 2008 EP-A 0 Dec 01, 2008
Oct 2008 EP-A 0 Nov 05, 2008
Sep 2008 EP-A 0 Oct 13, 2008
Aug 2008 EP-A 0 Sep 19, 2008
Jul 2008 EP-A 0 Aug 04, 2008
Jun 2008 EP-A 0 0 Aug 04, 2008
May 2008 EP-A 0 Jun 19, 2008
Mar 2008 DIST-A 0 Apr 01, 2008
Mar 2008 EP-A 0 Apr 01, 2008
Feb 2008 EP-A 0 Feb 27, 2008
Jan 2008 EP-A 0 Jan 30, 2008
Dec 2007 EP-A 0 0 Jan 10, 2008
Nov 2007 EP-A 0 Dec 07, 2007
Oct 2007 EP-A 0 Nov 02, 2007
Aug 2007 EP-A 0 Sep 05, 2007
Jul 2007 EP-A 0 Aug 08, 2007
Jun 2007 EP-A 0 0 Jun 29, 2007
Apr 2007 EP-A 0 May 04, 2007
Mar 2007 EP-A 0 Apr 05, 2007
Feb 2007 EP-A 0 Mar 01, 2007
Jan 2007 EP-A 0 Jan 30, 2007
Dec 2006 EP-A 0 1 Jan 04, 2007
Nov 2006 EP-A 0 Dec 14, 2006
Oct 2006 EP-A 1 Nov 06, 2006
Sep 2006 EP-A 0 Oct 04, 2006
Aug 2006 EP-A 0 Oct 04, 2006
Jul 2006 EP-A 0 Aug 02, 2006
Jun 2006 EP-A 0 0 Jul 07, 2006
May 2006 EP-A 0 Jun 13, 2006
Apr 2006 EP-A 0 May 11, 2006
Mar 2006 EP-A 0 Mar 31, 2006
Feb 2006 EP-A 0 Mar 09, 2006
Jan 2006 EP-A 0 Feb 01, 2006
Dec 2005 EP-A 0 0 Jan 04, 2006
Nov 2005 EP-A 0 Nov 30, 2005
Oct 2005 EP-A 0 Nov 04, 2005
Sep 2005 EP-A 0 Sep 30, 2005
Aug 2005 EP-A 0 Aug 30, 2005
Jul 2005 EP-A 0 Aug 02, 2005
Jun 2005 EP-A 0 0 Jul 12, 2005
May 2005 EP-A 0 Jun 07, 2005
Apr 2005 EP-A 0 Apr 26, 2005
Mar 2005 EP-A 0 Apr 06, 2005
Jan 2005 EP-A 0 Jan 27, 2005
Dec 2004 EP-A 0 6 Jan 04, 2005
Nov 2004 EP-A 0 Dec 02, 2004
Oct 2004 EP-A 0 Dec 02, 2004
Sep 2004 EP-A 0 Oct 04, 2004
Aug 2004 EP-A 6 Sep 16, 2004
Jul 2004 EP-A 0 Sep 16, 2004
Jun 2004 EP-A 0 0 Jun 30, 2004
May 2004 EP-A 0 Jun 30, 2004
Apr 2004 EP-A 0 May 20, 2004
Feb 2004 EP-A 0 Feb 24, 2004
Dec 2003 EP-A 0 0 Jan 13, 2004
Nov 2003 EP-A 0 Nov 26, 2003
Sep 2003 EP-A 0 Sep 30, 2003
Aug 2003 EP-A 0 Sep 03, 2003
Jul 2003 EP-A 0 Jul 31, 2003
Jun 2003 EP-A 0 0 Jul 31, 2003
May 2003 EP-A 0 Jun 05, 2003
Apr 2003 EP-A 0 Jun 05, 2003
Mar 2003 EP-A 0 Mar 28, 2003
Feb 2003 EP-A 0 Feb 27, 2003
Jan 2003 EP-A 0 Jan 30, 2003
Dec 2002 EP-A 0 0 Jan 03, 2003
Nov 2002 EP-A 0 Dec 05, 2002
Oct 2002 EP-A 0 Dec 05, 2002
Sep 2002 EP-A 0 Oct 22, 2002
Aug 2002 EP-A 0 Sep 10, 2002
Jul 2002 EP-A 0 Aug 13, 2002
Jun 2002 EP-A 0 0 Jul 11, 2002
May 2002 EP-A 0 Jun 04, 2002
Apr 2002 EP-A 0 May 01, 2002
Mar 2002 EP-A 0 Mar 29, 2002
Feb 2002 EP-A 0 Feb 28, 2002
Jan 2002 EP-A 0 Jan 31, 2002
Dec 2001 EP-A 0 0 Dec 28, 2001
Nov 2001 EP-A 0 Dec 05, 2001
Oct 2001 EP-A 0 Nov 08, 2001



More information for this water system: SDWIS ID 1907
System Info  ::  Report for Lenders  ::  Alerts  ::  Violations  ::  Compliance & Enforcement  ::  Contacts & Advisories  ::  Site Visits  ::  Public Notice
Coliform Summary  ::  Coliform Results  ::  Coliform Schedules  ::  LT2  ::  GW/GWUDI Source Details  ::  Plan Review  ::  Annual Fee
Chemical Summary  ::  Chemical Results  ::  Chemical Schedules  ::  Chemical Schedule Summary  ::  Arsenic RAA  ::  Cyanotoxins  ::  PFAS
Lead & Copper  ::  Corrosion Control (LCR)  ::  DBP Sample Sites  ::  FANLs  ::  MRDL  ::  GWR 4-Log  ::  Turbidity  ::  SWTR  ::  LRAA
Something missing? The new Chemical Results page replaces many pages, including arsenic and nitrate.

Information for all water systems:
Water System Inventory  ::  Water System Surveys  ::  Outstanding Performers  ::  Treatment Plant Inspections  ::  Treatment  ::  Plan Reviews
Alerts  ::  Violations  ::  Compliance & Enforcement  ::  Deficiencies  ::  System Scores  ::  Exceedances  ::  Public Notices
Water Advisories  ::  Contact Reports  ::  Cyanotoxins  ::  PFAS  ::  Post-wildfire VOCs  ::  Fluoride

Introduction  ::  Data Search Options  ::  Water System Search  ::  DWS Home  ::  DWS Rules

Need help? Email Drinking Water Services for assistance.Staff/Partner Login