OHA Drinking Water Services
OR41
PWS ID: 00368 ---- HELIX, CITY OF
Water Quality Alerts

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Alert Date Range: From to
Alert Type
 Alert ID Sample Date Alert Date Contact
Report		 Response
Time (Days)		 Location Analyte
 Result
 Current
Alert Level		 Current
MCL		 Units Sample Type Lab Sample ID SelectAtype FilterAlertDate
IOC ARCHIVE 04/13/1994 06/10/1994 AA SODIUM 24 20 MG/L 940413PPAA Alert Chem IOC0 1994-06-10
NO3 ARCHIVE 09/06/1994 10/20/1994 A NITRATE 5.3 5 10 MG/L 940906PE*A Alert Chem NO30 1994-10-20
NO3 ARCHIVE 07/05/1995 09/12/1995 AB NITRATE 13 5 10 MG/L 950706ARAA Alert Chem NO30 1995-09-12
TCR ARCHIVE 07/11/1996 07/17/1996 COLIFORM (TCR) Present Present Routine 960711PO11 Alert TCR0 1996-07-17
TCR ARCHIVE 10/16/1996 10/28/1996 COLIFORM (TCR) Present Present Routine 961016PS15 Alert TCR0 1996-10-28
TCR ARCHIVE 10/18/1996 10/28/1996 COLIFORM (TCR) Present Present Routine 961018PF18 Alert TCR0 1996-10-28
TCR ARCHIVE 10/21/1996 10/28/1996 COLIFORM (TCR) Present Present Repeat 961021PH30 Alert TCR0 1996-10-28
TCR ARCHIVE 12/09/1997 12/15/1997 COLIFORM (TCR) Present Present Routine 971210PO19 Alert TCR0 1997-12-15
TCR ARCHIVE 12/12/1997 12/22/1997 COLIFORM (TCR) Present Present Repeat 971212PC18 Alert TCR0 1997-12-22
TCR ARCHIVE 12/15/1997 12/29/1997 COLIFORM (TCR) Present Present Repeat 971215PG42 Alert TCR0 1997-12-29
TCR ARCHIVE 12/15/1997 12/29/1997 COLIFORM (TCR) Present Present Repeat 971215PG44 Alert TCR0 1997-12-29
IOC ARCHIVE 12/18/1997 01/08/1998 AA SODIUM 23 20 MG/L 971218CAA Alert Chem IOC0 1998-01-08
NO3 ARCHIVE 11/17/1998 11/27/1998 A NITRATE 8.8 5 10 MG/L 981117AZ*A Alert Chem NO30 1998-11-27
TCR ARCHIVE 06/19/2000 06/26/2000 COLIFORM (TCR) Present Present Routine 00620PI518 Alert TCR0 2000-06-26
TCR ARCHIVE 09/05/2001 09/13/2001 COLIFORM (TCR) Present Present Routine 10906PB12 Alert TCR0 2001-09-13
TCR ARCHIVE 09/19/2001 09/24/2001 COLIFORM (TCR) Present Present Repeat 10919PK325 Alert TCR0 2001-09-24
TCR ARCHIVE 10/25/2001 10/30/2001 COLIFORM (TCR) Present Present Routine 11025PH513 Alert TCR0 2001-10-30
TCR ARCHIVE 10/31/2001 11/07/2001 COLIFORM (TCR) Present Present Repeat 11031PC33 Alert TCR0 2001-11-07
TCR COLI2012 05/17/2005 05/23/2005 DIST-A COLIFORM (TCR) Present Present Routine M0050518PH111 Alert TCR0 2005-05-23
TCR COLI2216 07/18/2005 07/26/2005 DIST-A COLIFORM (TCR) Present Present Routine M0050719PJ111 Alert TCR0 2005-07-26
TCR COLI4489 09/05/2007 09/07/2007 DIST-A COLIFORM (TCR) Present Present Routine M0070906PH112 Alert TCR0 2007-09-07
Notice - Sodium CHEM3893 07/13/2009 01/13/2010 EP-A SODIUM 21.8 20 MG/L 090715017001-I Notice Sodium 2010-01-13
TCR COLI6866 09/30/2009 10/02/2009 DIST-A COLIFORM (TCR) Present Present Routine 0910010602 Alert TCR0 2009-10-02
TCR COLI6910 10/06/2009 10/08/2009 10/08/2009 0 DIST-A COLIFORM (TCR) Present Present Routine 474999 Alert TCR0 2009-10-08
TCR COLI6928 10/08/2009 10/13/2009 10/13/2009 0 DIST-A COLIFORM (TCR) Present Present Repeat 475231 Alert TCR0 2009-10-13
TCR COLI6928 10/08/2009 10/13/2009 10/13/2009 0 DIST-A COLIFORM (TCR) Present Present Repeat 475237 Alert TCR0 2009-10-13
TCR COLI7028 11/02/2009 11/04/2009 11/06/2009 2 DIST-A COLIFORM (TCR) Present Present Routine 476612 Alert TCR0 2009-11-04
TCR COLI7028 11/02/2009 11/04/2009 11/06/2009 2 DIST-A COLIFORM (TCR) Present Present Routine 476613 Alert TCR0 2009-11-04
TCR COLI7028 11/02/2009 11/04/2009 11/06/2009 2 DIST-A COLIFORM (TCR) Present Present Routine 476615 Alert TCR0 2009-11-04
TCR COLI7686 06/01/2010 06/03/2010 06/04/2010 1 DIST-A COLIFORM (TCR) Present Present Routine 489202 Alert TCR0 2010-06-03
TCR COLI11469 02/04/2013 02/05/2013 02/05/2012 -366 DIST-A E. COLI Present 0 Routine 130204H1 Alert TCR0 2013-02-05
TCR COLI11469 02/04/2013 02/05/2013 02/05/2012 -366 DIST-A COLIFORM (TCR) Present Present Routine 130204H1 Alert TCR0 2013-02-05
TCR COLI14317 07/06/2015 07/08/2015 07/08/2015 0 DIST-A COLIFORM (TCR) Present Present Routine 150706K1 Alert TCR0 2015-07-08
TCR COLI14336 07/08/2015 07/10/2015 DIST-A E. COLI Present 0 Repeat 150708K2 Alert TCR0 2015-07-10
TCR COLI14336 07/08/2015 07/10/2015 DIST-A COLIFORM (TCR) Present Present Repeat 150708C2 Alert TCR0 2015-07-10
TCR COLI14336 07/08/2015 07/10/2015 DIST-A COLIFORM (TCR) Present Present Repeat 150708K2 Alert TCR0 2015-07-10
TCR COLI14361 07/09/2015 07/13/2015 07/10/2015 -3 DIST-A COLIFORM (TCR) Present Present Repeat 150709G1 Alert TCR0 2015-07-13
TCR COLI14361 07/09/2015 07/13/2015 07/10/2015 -3 DIST-A COLIFORM (TCR) Present Present Repeat 150709G3 Alert TCR0 2015-07-13
TCR COLI14361 07/09/2015 07/13/2015 07/10/2015 -3 DIST-A COLIFORM (TCR) Present Present Repeat 150709G4 Alert TCR0 2015-07-13
TCR COLI14361 07/09/2015 07/13/2015 07/10/2015 -3 DIST-A COLIFORM (TCR) Present Present Repeat 150709G5 Alert TCR0 2015-07-13
TCR COLI14472 08/03/2015 08/05/2015 08/04/2015 -1 DIST-A COLIFORM (TCR) Present Present Routine 150803C1 Alert TCR0 2015-08-05
TCR COLI14472 08/03/2015 08/05/2015 08/04/2015 -1 DIST-A COLIFORM (TCR) Present Present Routine 150803C2 Alert TCR0 2015-08-05
TCR COLI14609 09/01/2015 09/03/2015 09/03/2015 0 DIST-A COLIFORM (TCR) Present Present Routine 150901H3 Alert TCR0 2015-09-03
TCR COLI15687 07/05/2016 07/06/2016 07/06/2016 0 DIST-A COLIFORM (TCR) Present Present Routine 160705L1 Alert TCR0 2016-07-06
TCR COLI15694 07/06/2016 07/08/2016 07/07/2016 -1 DIST-A COLIFORM (TCR) Present Present Repeat 160706R1 Alert TCR0 2016-07-08
TCR COLI15694 07/06/2016 07/08/2016 07/07/2016 -1 DIST-A COLIFORM (TCR) Present Present Repeat 160706R3 Alert TCR0 2016-07-08
TCR COLI15694 07/06/2016 07/08/2016 07/07/2016 -1 DIST-A COLIFORM (TCR) Present Present Repeat 160706R4 Alert TCR0 2016-07-08
Notice - Source COLI15694 07/06/2016 07/08/2016 07/07/2016 -1 SRC-AA COLIFORM (TCR) Present Present Triggered 160706R2 Notice Source 2016-07-08
TCR COLI16146 10/19/2016 10/21/2016 10/20/2016 -1 DIST-A COLIFORM (TCR) Present Present Routine 161019F1 Alert TCR0 2016-10-21
TCR COLI16173 10/26/2016 10/27/2016 DIST-A E. COLI Present 0 Repeat 161026D2 Alert TCR0 2016-10-27
TCR COLI16173 10/26/2016 10/27/2016 DIST-A COLIFORM (TCR) Present Present Repeat 161026D2 Alert TCR0 2016-10-27
TCR COLI16974 08/02/2017 08/03/2017 08/03/2017 0 DIST-A COLIFORM (TCR) Present Present Routine 170802D1 Alert TCR0 2017-08-03
TCR COLI17006 08/07/2017 08/09/2017 08/09/2017 0 DIST-A COLIFORM (TCR) Present Present Repeat 170807B2 Alert TCR0 2017-08-09
TCR COLI17006 08/07/2017 08/09/2017 08/09/2017 0 DIST-A COLIFORM (TCR) Present Present Repeat 170807B3 Alert TCR0 2017-08-09
TCR COLI17006 08/07/2017 08/09/2017 08/09/2017 0 DIST-A COLIFORM (TCR) Present Present Repeat 170807B4 Alert TCR0 2017-08-09
TCR COLI17254 10/02/2017 10/04/2017 10/05/2017 1 DIST-A COLIFORM (TCR) Present Present Routine 171002A1 Alert TCR0 2017-10-04
Notice - Sodium CHEM8750 10/23/2019 12/19/2019 EP-A SODIUM 24.4 20 MG/L 910240601-I Notice Sodium 2019-12-19
TCR COLI20375 10/06/2020 10/08/2020 10/07/2020 -1 DIST-A COLIFORM (TCR) Present Present Routine T0J060401 Alert TCR0 2020-10-08
TCR COLI20403 10/08/2020 10/12/2020 10/07/2020 -5 DIST-A COLIFORM (TCR) Present Present Repeat T0J080302 Alert TCR0 2020-10-12
TCR COLI20403 10/08/2020 10/12/2020 10/07/2020 -5 DIST-A COLIFORM (TCR) Present Present Repeat T0J080303 Alert TCR0 2020-10-12
TCR COLI20403 10/08/2020 10/12/2020 10/07/2020 -5 DIST-A COLIFORM (TCR) Present Present Repeat T0J080304 Alert TCR0 2020-10-12
TCR COLI20742 01/11/2021 01/14/2021 01/14/2021 0 DIST-A COLIFORM (TCR) Present Present Routine T1A110201 Alert TCR0 2021-01-14
TCR COLI20752 01/14/2021 01/15/2021 01/15/2021 0 DIST-A E. COLI Present 0 Repeat T1A140103 Alert TCR0 2021-01-15
TCR COLI20752 01/14/2021 01/15/2021 01/15/2021 0 DIST-A COLIFORM (TCR) Present Present Repeat T1A140101 Alert TCR0 2021-01-15
TCR COLI20752 01/14/2021 01/15/2021 01/15/2021 0 DIST-A COLIFORM (TCR) Present Present Repeat T1A140103 Alert TCR0 2021-01-15
TCR COLI20753 01/15/2021 01/19/2021 01/15/2021 -4 DIST-A COLIFORM (TCR) Present Present Repeat T1A150302 Alert TCR0 2021-01-19
TCR COLI20753 01/15/2021 01/19/2021 01/15/2021 -4 DIST-A COLIFORM (TCR) Present Present Repeat T1A150303 Alert TCR0 2021-01-19
TCR COLI21277 08/11/2021 08/13/2021 08/16/2021 3 DIST-A COLIFORM (TCR) Present Present Routine T1H110101 Alert TCR0 2021-08-13
TCR COLI21286 08/12/2021 08/16/2021 08/16/2021 0 DIST-A COLIFORM (TCR) Present Present Repeat T1H120302 Alert TCR0 2021-08-16


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