Current Open Coliform Sample Schedule
(subject to change based upon future test results)
GWR: SRC-AA: 1 Assessment sample(s) per Year to be taken beginning 01/01/2020 -
DIST-A: 1 Routine sample(s) per Month to be taken beginning 02/01/2016 -
(A begin date of 01/01/1991 indicates the year the Total Coliform Rule was established)
Public water systems that use chlorine or chloramines must measure the
residual disinfectant level at the same points in the distribution system and at the same time when total coliforms are sampled.
Repeat, Temporary Routine, and Prior Coliform Sample Schedules
(Schedules in bold reflect current schedules)
GWR: 1 Triggered sample(s) to be taken and reported 09/13/2022 - 09/24/2022
1 at SRC-AA - WELL #3
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TCR: 3 Repeat sample(s) within 24 hours of a TC+ Routine Sample to be reported 09/14/2022 - 09/24/2022 at DIST-A
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GWR: 1 Triggered sample(s) to be taken and reported 10/30/2019 - 11/10/2019
1 at SRC-AA - WELL #3
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TCR: 3 Repeat sample(s) within 24 hours of a TC+ Routine Sample to be reported 10/31/2019 - 11/10/2019 at DIST-A
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TCR: 3 Repeat sample(s) within 24 hours of a TC+ Routine Sample to be reported 08/30/2019 - 09/09/2019 at DIST-A
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GWR: 1 Triggered sample(s) to be taken and reported 08/29/2019 - 09/09/2019
1 at SRC-AA - WELL #3
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GWR: 1 Triggered sample(s) to be taken and reported 07/29/2019 - 08/09/2019
1 at SRC-AA - WELL #3
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TCR: 3 Repeat sample(s) within 24 hours of a TC+ Routine Sample to be reported 07/30/2019 - 08/09/2019 at DIST-A
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GWR: 1 Triggered sample(s) to be taken and reported 05/20/2019 - 05/31/2019
1 at SRC-AA - WELL #3
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TCR: 3 Repeat sample(s) within 24 hours of a TC+ Routine Sample to be reported 05/21/2019 - 05/31/2019 at DIST-A
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GWR: 1 Triggered sample(s) to be taken and reported 03/19/2019 - 03/30/2019
1 at SRC-AA - WELL #3
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TCR: 3 Repeat sample(s) within 24 hours of a TC+ Routine Sample to be reported 03/20/2019 - 03/30/2019 at DIST-A
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GWR: 1 Triggered sample(s) to be taken and reported 10/02/2018 - 10/13/2018
1 at SRC-AA - WELL #3
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TCR: 3 Repeat sample(s) within 24 hours of a TC+ Routine Sample to be reported 10/03/2018 - 10/13/2018 at DIST-A
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GWR: 1 Triggered sample(s) to be taken and reported 09/04/2018 - 09/15/2018
1 at SRC-AA - WELL #3
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TCR: 3 Repeat sample(s) within 24 hours of a TC+ Routine Sample to be reported 09/05/2018 - 09/15/2018 at DIST-A
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GWR: 1 Triggered sample(s) to be taken and reported 08/06/2018 - 08/17/2018
1 at SRC-AA - WELL #3
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TCR: 3 Repeat sample(s) within 24 hours of a TC+ Routine Sample to be reported 08/07/2018 - 08/17/2018 at DIST-A
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GWR: 1 Triggered sample(s) to be taken and reported 09/11/2017 - 09/22/2017
1 at SRC-AA - WELL #3
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TCR: 3 Repeat sample(s) within 24 hours of a TC+ Routine Sample to be reported 09/12/2017 - 09/22/2017 at DIST-A
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GWR: 1 Triggered sample(s) to be taken and reported 08/03/2017 - 08/14/2017
1 at SRC-AA - WELL #3
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TCR: 3 Repeat sample(s) within 24 hours of a TC+ Routine Sample to be reported 08/04/2017 - 08/14/2017 at DIST-A
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GWR: 1 Triggered sample(s) to be taken and reported 07/19/2016 - 07/30/2016
1 at SRC-AA - WELL #3
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TCR: 3 Repeat sample(s) within 24 hours of a TC+ Routine Sample to be reported 07/20/2016 - 07/30/2016 at DIST-A
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TCR: 5 Temporary Routine sample(s) per Month to be taken 01/01/2016 - 01/31/2016 at DIST-A
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TCR: 5 Temporary Routine sample(s) per Month to be taken 12/01/2015 - 12/31/2015 at DIST-A
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GWR: 1 Triggered sample(s) to be taken and reported 12/15/2015 - 12/30/2015
1 at SRC-AA - WELL #3
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TCR: 4 Repeat sample(s) within 24 hours of a TC+ Routine Sample to be reported 12/16/2015 - 12/30/2015 at DIST-A
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GWR: 1 Triggered sample(s) to be taken and reported 12/09/2015 - 12/24/2015
1 at SRC-AA - WELL #3
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TCR: 4 Repeat sample(s) within 24 hours of a TC+ Routine Sample to be reported 12/10/2015 - 12/24/2015 at DIST-A
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TCR: 1 Routine sample(s) per Month to be taken 10/01/2013 - 11/30/2015 at DIST-A
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GWR: 1 Triggered sample(s) to be taken and reported 11/10/2015 - 11/25/2015
1 at SRC-AA - WELL #3
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TCR: 4 Repeat sample(s) within 24 hours of a TC+ Routine Sample to be reported 11/11/2015 - 11/25/2015 at DIST-A
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TCR: 5 Temporary Routine sample(s) per Month to be taken 09/01/2013 - 09/30/2013 at DIST-A
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TCR: 1 Routine sample(s) per Month to be taken 11/01/2012 - 08/31/2013 at DIST-A
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GWR: 1 Triggered sample(s) to be taken and reported 08/05/2013 - 08/20/2013
1 at SRC-AA - WELL #3
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TCR: 4 Repeat sample(s) within 24 hours of a TC+ Routine Sample to be reported 08/06/2013 - 08/20/2013 at DIST-A
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TCR: 5 Temporary Routine sample(s) per Month to be taken 10/01/2012 - 10/31/2012 at DIST-A
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GWR: 1 Triggered sample(s) to be taken and reported 09/25/2012 - 10/10/2012
1 at SRC-AA - WELL #3
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TCR: 4 Repeat sample(s) within 24 hours of a TC+ Routine Sample to be reported 09/26/2012 - 10/10/2012 at DIST-A
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TCR: 5 Temporary Routine sample(s) per Month to be taken 09/01/2012 - 09/30/2012 at DIST-A
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GWR: 1 Triggered sample(s) to be taken and reported 08/27/2012 - 09/11/2012
1 at SRC-AA - WELL #3
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TCR: 4 Repeat sample(s) within 24 hours of a TC+ Routine Sample to be reported 08/28/2012 - 09/11/2012 at DIST-A
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TCR: 1 Routine sample(s) per Month to be taken 11/01/2011 - 08/31/2012 at DIST-A
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TCR: 5 Temporary Routine sample(s) per Month to be taken 10/01/2011 - 10/31/2011 at DIST-A
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TCR: 5 Temporary Routine sample(s) per Month to be taken 09/01/2011 - 09/30/2011 at DIST-A
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GWR: 1 Triggered sample(s) to be taken and reported 09/06/2011 - 09/21/2011 at SRC-AA WELL #3
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TCR: 4 Repeat sample(s) within 24 hours of a TC+ Routine Sample to be reported 09/07/2011 - 09/21/2011 at DIST-A
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TCR: 1 Routine sample(s) per Month to be taken 01/01/2011 - 08/31/2011 at DIST-A
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GWR: 1 Triggered sample(s) to be taken and reported 08/02/2011 - 08/17/2011 at SRC-AA WELL #3
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TCR: 4 Repeat sample(s) within 24 hours of a TC+ Routine Sample to be reported 08/03/2011 - 08/17/2011 at DIST-A
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TCR: 1 Routine sample(s) per Month to be taken 12/01/2010 - 12/31/2010 at DIST-A
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TCR: 5 Temporary Routine sample(s) per Month to be taken 11/01/2010 - 11/30/2010 at DIST-A
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TCR: 4 Repeat sample(s) within 24 hours of a TC+ Routine Sample to be reported 10/22/2010 - 11/05/2010 at DIST-A
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GWR: 1 Triggered sample(s) to be taken and reported 10/21/2010 - 11/05/2010 at SRC-AA WELL #3
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TCR: 5 Temporary Routine sample(s) per Month to be taken 10/01/2010 - 10/31/2010 at DIST-A
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TCR: 4 Repeat sample(s) within 24 hours of a TC+ Routine Sample to be reported 09/21/2010 - 10/05/2010 at DIST-A
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GWR: 1 Triggered sample(s) to be taken and reported 09/20/2010 - 10/04/2010 at SRC-AA WELL #3
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TCR: 1 Routine sample(s) per Month to be taken 09/01/2010 - 09/30/2010 at DIST-A
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TCR: 5 Temporary Routine sample(s) per Month to be taken 08/01/2010 - 08/31/2010 at DIST-A
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TCR: 5 Temporary Routine sample(s) per Month to be taken 07/01/2010 - 07/31/2010 at DIST-A
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TCR: 4 Repeat sample(s) within 24 hours of a TC+ Routine Sample to be reported 07/08/2010 - 07/22/2010 at DIST-A
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GWR: 1 Triggered sample(s) to be taken and reported 07/07/2010 - 07/21/2010 at SRC-AA WELL #3
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TCR: 1 Routine sample(s) per Month to be taken 10/01/2009 - 06/30/2010 at DIST-A
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TCR: 4 Repeat sample(s) within 24 hours of a TC+ Routine Sample to be reported 06/16/2010 - 06/30/2010 at DIST-A
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GWR: 1 Triggered sample(s) to be taken and reported 06/15/2010 - 06/29/2010 at SRC-AA WELL #3
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TCR: 1 Routine sample(s) per Month to be taken 09/01/2009 - 09/30/2009 at DIST-A
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TCR: 1 Routine sample(s) per Month to be taken 12/01/2008 - 08/31/2009 at DIST-A
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TCR: 5 Temporary Routine sample(s) per Month to be taken 11/01/2008 - 11/30/2008 at DIST-A
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TCR: 5 Temporary Routine sample(s) per Month to be taken 10/01/2008 - 10/31/2008 at DIST-A
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TCR: 4 Repeat sample(s) within 24 hours of a TC+ Routine Sample to be reported 10/07/2008 - 10/21/2008 at DIST-A
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TCR: 1 Routine sample(s) per Month to be taken 09/01/2008 - 09/30/2008 at DIST-A
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TCR: 4 Repeat sample(s) within 24 hours of a TC+ Routine Sample to be reported 09/16/2008 - 09/30/2008 at DIST-A
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TCR: 5 Temporary Routine sample(s) per Month to be taken 08/01/2008 - 08/31/2008 at DIST-A
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TCR: 4 Repeat sample(s) within 24 hours of a TC+ Routine Sample to be reported 07/30/2008 - 08/13/2008 at DIST-A
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TCR: 1 Routine sample(s) per Month to be taken 07/01/2008 - 07/31/2008 at DIST-A
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TCR: 1 Routine sample(s) per Month to be taken 10/01/2007 - 06/30/2008 at DIST-A
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TCR: 5 Temporary Routine sample(s) per Month to be taken 09/01/2007 - 09/30/2007 at DIST-A
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TCR: 1 Routine sample(s) per Month to be taken 09/01/2006 - 08/31/2007 at DIST-A
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TCR: 4 Repeat sample(s) within 24 hours of a TC+ Routine Sample to be reported 08/09/2007 - 08/23/2007 at DIST-A
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TCR: 5 Temporary Routine sample(s) per Month to be taken 08/01/2006 - 08/31/2006 at DIST-A
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TCR: 1 Routine sample(s) per Month to be taken 10/01/2004 - 07/31/2006 at DIST-A
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TCR: 4 Repeat sample(s) within 24 hours of a TC+ Routine Sample to be reported 07/12/2006 - 07/26/2006 at DIST-A
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TCR: 5 Temporary Routine sample(s) per Month to be taken 09/01/2004 - 09/30/2004 at DIST-A
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TCR: 1 Routine sample(s) per Month to be taken 05/01/2002 - 08/31/2004 at DIST-A
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TCR: 4 Repeat sample(s) within 24 hours of a TC+ Routine Sample to be reported 08/03/2004 - 08/17/2004 at DIST-A
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TCR: 1 Routine sample(s) per Month to be taken 09/01/2001 - 04/30/2002 at DIST-A
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TCR: 5 Temporary Routine sample(s) per Month to be taken 08/01/2001 - 08/31/2001 at DIST-A
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TCR: 4 Repeat sample(s) within 24 hours of a TC+ Routine Sample to be reported 07/24/2001 - 08/16/2001 at DIST-A
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TCR: 1 Routine sample(s) per Month to be taken 01/01/1991 - 07/31/2001 at DIST-A
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Hide schedules prior to 2021
Instructions and Notes
- If no prior sample schedules appear, then no prior schedules exist within the database.
- Schedules for Oregon very small systems might not appear. If the system is active, samples must be collected for the presence of coliform bacteria once per month or once per quarter depending on water type, seasonal operating cycle, or previous sampling results.
- If a sample tests positive for total coliform or E. coli, a minimum of 3 repeat samples must be collected. At water systems where quarterly monitoring takes place, 3 routine samples must be collected the month following one in which a routine sample tested positive for the presence of total coliform or E. coli.
Any time a sample tests positive for the presence of coliform bacteria, the system's operator should contact their regulator. For this water system, that is:
DRINKING WATER SERVICES
Bill Goss/Amy Word
(541) 276-8006
