UNITY, CITY OF
PWS #: 01450     ----     System Status:Active    System Type: C    Population: 71

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 01/01/2018 -
GWR:  SRC-AB:  1 Assessment sample(s)  per Year to be taken beginning 01/01/2018 -
DIST-A:  1 Routine sample(s)  per Month to be taken beginning 10/01/2015 -
 
(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:  3 Triggered sample(s) to be taken and reported  10/05/2022 - 10/16/2022
       1 at SRC-AA - SCHOOL WELL (WELL #1)
       1 at SRC-AB - FOREST SERVICE WELL (WELL
       1 at SRC-AC - RANGER STATION WELL (WELL
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TCR:  3 Repeat sample(s) within 24 hours of a TC+ Routine Sample to be reported   10/06/2022 - 10/16/2022  at DIST-A  
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TCR:  3 Repeat sample(s) within 24 hours of a TC+ Routine Sample to be reported   08/04/2022 - 08/14/2022  at DIST-A  
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GWR:  2 Triggered sample(s) to be taken and reported  08/03/2022 - 08/14/2022
       1 at SRC-AA - SCHOOL WELL (WELL #1)
       1 at SRC-AC - RANGER STATION WELL (WELL
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GWR:  2 Triggered sample(s) to be taken and reported  09/08/2021 - 09/19/2021
       1 at SRC-AA - SCHOOL WELL (WELL #1)
       1 at SRC-AB - FOREST SERVICE WELL (WELL
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TCR:  3 Repeat sample(s) within 24 hours of a TC+ Routine Sample to be reported   09/09/2021 - 09/19/2021  at DIST-A  
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GWR:  2 Triggered sample(s) to be taken and reported  08/05/2020 - 08/16/2020
       1 at SRC-AA - SCHOOL WELL (WELL #1)
       1 at SRC-AB - FOREST SERVICE WELL (WELL
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TCR:  3 Repeat sample(s) within 24 hours of a TC+ Routine Sample to be reported   08/06/2020 - 08/16/2020  at DIST-A  
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GWR:  2 Triggered sample(s) to be taken and reported  05/06/2020 - 05/17/2020
       1 at SRC-AA - SCHOOL WELL (WELL #1)
       1 at SRC-AB - FOREST SERVICE WELL (WELL
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TCR:  3 Repeat sample(s) within 24 hours of a TC+ Routine Sample to be reported   05/07/2020 - 05/17/2020  at DIST-A  
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GWR:  3 Triggered sample(s) to be taken and reported  10/05/2016 - 10/16/2016
       1 at SRC-AA - SCHOOL WELL (WELL #1)
       1 at SRC-AB - FOREST SERVICE WELL (WELL
       1 at SRC-AC - RANGER STATION WELL (WELL
-----
TCR:  3 Repeat sample(s) within 24 hours of a TC+ Routine Sample to be reported   10/06/2016 - 10/16/2016  at DIST-A  
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GWR:  3 Triggered sample(s) to be taken and reported  09/07/2016 - 09/18/2016
       1 at SRC-AA - SCHOOL WELL (WELL #1)
       1 at SRC-AB - FOREST SERVICE WELL (WELL
       1 at SRC-AC - RANGER STATION WELL (WELL
-----
TCR:  3 Repeat sample(s) within 24 hours of a TC+ Routine Sample to be reported   09/08/2016 - 09/18/2016  at DIST-A  
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GWR:  3 Triggered sample(s) to be taken and reported  08/03/2016 - 08/14/2016
       1 at SRC-AA - SCHOOL WELL (WELL #1)
       1 at SRC-AB - FOREST SERVICE WELL (WELL
       1 at SRC-AC - RANGER STATION WELL (WELL
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TCR:  3 Repeat sample(s) within 24 hours of a TC+ Routine Sample to be reported   08/04/2016 - 08/14/2016  at DIST-A  
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TCR:  3 Repeat sample(s) within 24 hours of a TC+ Routine Sample to be reported   07/07/2016 - 07/17/2016  at DIST-A  
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GWR:  3 Triggered sample(s) to be taken and reported  07/06/2016 - 07/17/2016
       1 at SRC-AA - SCHOOL WELL (WELL #1)
       1 at SRC-AB - FOREST SERVICE WELL (WELL
       1 at SRC-AC - RANGER STATION WELL (WELL
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GWR:  3 Triggered sample(s) to be taken and reported  05/04/2016 - 05/15/2016
       1 at SRC-AA - SCHOOL WELL (WELL #1)
       1 at SRC-AB - FOREST SERVICE WELL (WELL
       1 at SRC-AC - RANGER STATION WELL (WELL
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TCR:  3 Repeat sample(s) within 24 hours of a TC+ Routine Sample to be reported   05/05/2016 - 05/15/2016  at DIST-A  
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TCR:  5 Temporary Routine sample(s) per Month to be taken   09/01/2015 - 09/30/2015  at DIST-A  
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TCR:  1 Routine sample(s) per Month to be taken   11/01/2013 - 08/31/2015  at DIST-A  
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GWR:  3 Triggered sample(s) to be taken and reported  08/05/2015 - 08/20/2015
       1 at SRC-AA - SCHOOL WELL (WELL #1)
       1 at SRC-AB - FOREST SERVICE WELL (WELL
       1 at SRC-AC - RANGER STATION WELL (WELL
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TCR:  4 Repeat sample(s) within 24 hours of a TC+ Routine Sample to be reported   08/06/2015 - 08/20/2015  at DIST-A  
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TCR:  5 Temporary Routine sample(s) per Month to be taken   10/01/2013 - 10/31/2013  at DIST-A  
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TCR:  1 Routine sample(s) per Month to be taken   08/01/2009 - 09/30/2013  at DIST-A  
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GWR:  3 Triggered sample(s) to be taken and reported  09/04/2013 - 09/19/2013
       1 at SRC-AA - SCHOOL WELL (WELL #1)
       1 at SRC-AB - FOREST SERVICE WELL (WELL
       1 at SRC-AC - RANGER STATION WELL (WELL
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TCR:  4 Repeat sample(s) within 24 hours of a TC+ Routine Sample to be reported   09/05/2013 - 09/19/2013  at DIST-A  
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TCR:  5 Temporary Routine sample(s) per Month to be taken   07/01/2009 - 07/31/2009  at DIST-A  
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TCR:  4 Repeat sample(s) within 24 hours of a TC+ Routine Sample to be reported   06/25/2009 - 07/09/2009  at DIST-A  
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TCR:  1 Routine sample(s) per Month to be taken   04/01/2009 - 06/30/2009  at DIST-A  
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TCR:  5 Temporary Routine sample(s) per Month to be taken   03/01/2009 - 03/31/2009  at DIST-A  
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TCR:  4 Repeat sample(s) within 24 hours of a TC+ Routine Sample to be reported   02/18/2009 - 03/04/2009  at DIST-A  
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TCR:  1 Routine sample(s) per Month to be taken   11/01/2008 - 02/28/2009  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   09/24/2008 - 10/08/2008  at DIST-A  
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TCR:  1 Routine sample(s) per Month to be taken   11/01/2001 - 09/30/2008  at DIST-A  
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TCR:  5 Temporary Routine sample(s) per Month to be taken   10/01/2001 - 10/31/2001  at DIST-A  
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TCR:  4 Repeat sample(s) within 24 hours of a TC+ Routine Sample to be reported   09/28/2001 - 10/18/2001  at DIST-A  
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TCR:  5 Temporary Routine sample(s) per Month to be taken   09/01/2001 - 09/30/2001  at DIST-A  
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TCR:  4 Repeat sample(s) within 24 hours of a TC+ Routine Sample to be reported   08/22/2001 - 09/21/2001  at DIST-A  
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TCR:  1 Routine sample(s) per Month to be taken   01/01/1991 - 08/31/2001  at DIST-A  
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Hide schedules prior to 2020

Instructions and Notes
1) If no prior sample schedules appear, then no prior schedules exist within the database.
 
2) 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.
 
3) 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:  Bill Goss/Amy Word, (541) 276-8006.


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