OHA Drinking Water Services
OR41
PWS ID: 93759 ---- PRATUM ELEMENTARY
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
 Alert Level MCL Units Sample Type Lab Sample ID SelectAtype FilterAlertDate
IOC ARCHIVE 12/19/1995 01/29/1996 AA SODIUM 35.1 20 MG/L 12141-1 Alert Chem IOC0 1996-01-29
TCR ARCHIVE 03/14/1996 03/21/1996 COLIFORM (TCR) Present Present Routine P1270 Alert TCR0 1996-03-21
TCR ARCHIVE 03/19/1996 03/25/1996 COLIFORM (TCR) Present Present Repeat P1296 Alert TCR0 1996-03-25
TCR ARCHIVE 03/19/1996 03/25/1996 COLIFORM (TCR) Present Present Repeat P1297 Alert TCR0 1996-03-25
TCR ARCHIVE 03/19/1996 03/25/1996 COLIFORM (TCR) Present Present Repeat P1298 Alert TCR0 1996-03-25
TCR ARCHIVE 03/19/1996 03/25/1996 COLIFORM (TCR) Present Present Repeat P1299 Alert TCR0 1996-03-25
TCR ARCHIVE 06/19/1998 07/02/1998 COLIFORM (TCR) Present Present Routine 980619BB1 Alert TCR0 1998-07-02
IOC ARCHIVE 07/28/1998 08/13/1998 AA SODIUM 53 20 MG/L 980728BRAA Alert Chem IOC0 1998-08-13
VOC ARCHIVE 07/28/1998 08/13/1998 AA DICHLOROMETHANE 0.0009 0.005 MG/L 980728BRAA Alert Chem VOC0 1998-08-13
IOC ARCHIVE 07/26/2001 08/16/2001 AA SODIUM 34 20 MG/L A10726AWAA Alert Chem IOC0 2001-08-16
ARS CHEM1105 11/09/2004 01/14/2005 02/14/2007 761 EP-A ARSENIC 0.0258 0.01 MG/L 20041109-051 Alert Chem CMCL ARS0 2005-01-14
ARS CHEM2390 03/01/2007 03/16/2007 03/16/2007 0 EP-A ARSENIC 0.0207 0.01 MG/L 20070301040 Alert Chem CMCL ARS0 2007-03-16
VOC CHEM2643 09/11/2007 10/09/2007 EP-A CHLOROBENZENE 0.0012 0.1 MG/L 070924101D Alert Chem VOC0 2007-10-09
VOC CHEM2643 09/11/2007 10/09/2007 EP-A TOLUENE 0.0007 1 MG/L 070924101D Alert Chem VOC0 2007-10-09
VOC CHEM2643 09/11/2007 10/09/2007 EP-A STYRENE 0.0014 0.1 MG/L 070924101D Alert Chem VOC0 2007-10-09
VOC CHEM2773 12/07/2007 01/15/2008 01/16/2008 1 EP-A STYRENE 0.0014 0.1 MG/L 071218701A Alert Chem VOC0 2008-01-15
VOC CHEM2939 03/31/2008 05/02/2008 05/02/2008 0 EP-A TETRACHLOROETHYLENE 0.001 0.005 MG/L 20080331005-V Alert Chem VOC0 2008-05-02
VOC CHEM3060 06/13/2008 08/06/2008 08/11/2008 5 EP-A TOLUENE 0.0026 1 MG/L 20080613002-V Alert Chem VOC0 2008-08-06
ARS CHEM3152 09/03/2008 09/25/2008 09/29/2008 4 EP-A ARSENIC 0.0112 0.01 MG/L 20080903023-A Alert Chem CMCL ARS0 2008-09-25
VOC CHEM3214 09/03/2008 10/21/2008 EP-A TOLUENE 0.0035 1 MG/L 20080903022-V Alert Chem VOC0 2008-10-21
ARS CHEM3325 11/07/2008 01/20/2009 01/22/2009 2 EP-A ARSENIC 0.0107 0.01 MG/L 20081107036-I Alert Chem CMCL ARS0 2009-01-20
VOC CHEM3331 12/11/2008 01/22/2009 01/28/2009 6 EP-A CIS-1,2-DICHLOROETHYLENE 0.002 0.07 MG/L 20081211007-V Alert Chem VOC0 2009-01-22
VOC CHEM3331 12/11/2008 01/22/2009 01/28/2009 6 EP-A TETRACHLOROETHYLENE 0.0017 0.005 MG/L 20081211007-V Alert Chem VOC0 2009-01-22
TCR COLI6127 02/17/2009 02/19/2009 02/20/2009 1 DIST-A COLIFORM (TCR) Present Present Routine 20090217011 Alert TCR0 2009-02-19
ARS CHEM3415 02/17/2009 03/23/2009 02/22/2009 -29 EP-A ARSENIC 0.0152 0.01 MG/L 20090217020-I Alert Chem CMCL ARS0 2009-03-23
TCR COLI6134 02/23/2009 02/25/2009 02/25/2009 0 DIST-A COLIFORM (TCR) Present Present Repeat 20090223020 Alert TCR0 2009-02-25
TCR COLI6134 02/23/2009 02/25/2009 02/25/2009 0 DIST-A COLIFORM (TCR) Present Present Repeat 20090223021 Alert TCR0 2009-02-25
TCR COLI6134 02/23/2009 02/25/2009 02/25/2009 0 DIST-A COLIFORM (TCR) Present Present Repeat 20090223022 Alert TCR0 2009-02-25
ARS CHEM3554 05/20/2009 06/24/2009 06/24/2009 0 EP-A ARSENIC 0.0113 0.01 MG/L 20090520036-I Alert Chem CMCL ARS0 2009-06-24
ARS CHEM3744 09/25/2009 10/08/2009 10/12/2009 4 EP-A ARSENIC 0.0113 0.01 MG/L 20090925018-I Alert Chem CMCL ARS0 2009-10-08
ARS CHEM3842 11/10/2009 11/25/2009 11/30/2009 5 EP-A ARSENIC 0.0167 0.01 MG/L 20091110049-I Alert Chem CMCL ARS0 2009-11-25
Notice - Sodium CHEM4536 10/12/2010 11/12/2010 EP-A SODIUM 34.4 20 MG/L 101034901B-I Notice Sodium 2010-11-12
ARS CHEM5537 09/19/2012 09/27/2012 09/28/2012 1 EP-A ARSENIC 0.016 0.01 MG/L 20120919036-I Alert Chem CMCL ARS0 2012-09-27
ARS CHEM5644 12/05/2012 12/20/2012 12/20/2012 0 EP-A ARSENIC 0.0212 0.01 MG/L 20121205045-I Alert Chem CMCL ARS0 2012-12-20
ARS CHEM5710 02/08/2013 02/28/2013 02/28/2013 0 EP-A ARSENIC 0.0177 0.01 MG/L 20130208019-I Alert Chem CMCL ARS0 2013-02-28
TCR COLI11653 05/08/2013 05/10/2013 05/13/2013 3 DIST-A COLIFORM (TCR) Present Present Routine 20130508036 Alert TCR0 2013-05-10
Notice - Sodium CHEM5869 07/09/2013 07/24/2013 EP-A SODIUM 64 20 MG/L 130721901C-I Notice Sodium 2013-07-24
TCR COLI18186 09/06/2018 09/11/2018 09/11/2018 0 DIST-A COLIFORM (TCR) Present Present Routine 20180906053 Alert TCR0 2018-09-11
TCR COLI18212 09/14/2018 09/18/2018 09/18/2018 0 DIST-A COLIFORM (TCR) Present Present Repeat 20180914054 Alert TCR0 2018-09-18
TCR COLI18212 09/14/2018 09/18/2018 09/18/2018 0 DIST-A COLIFORM (TCR) Present Present Repeat 20180914056 Alert TCR0 2018-09-18
TCR COLI18212 09/14/2018 09/18/2018 09/18/2018 0 DIST-A COLIFORM (TCR) Present Present Repeat 20180914057 Alert TCR0 2018-09-18
TCR COLI19876 05/28/2020 06/01/2020 06/01/2020 0 DIST-A COLIFORM (TCR) Present Present Routine 20200528025 Alert TCR0 2020-06-01
TCR COLI19900 06/03/2020 06/05/2020 06/05/2020 0 DIST-A COLIFORM (TCR) Present Present Repeat 20200603034 Alert TCR0 2020-06-05
TCR COLI19900 06/03/2020 06/05/2020 06/05/2020 0 DIST-A COLIFORM (TCR) Present Present Repeat 20200603035 Alert TCR0 2020-06-05
TCR COLI19900 06/03/2020 06/05/2020 06/05/2020 0 DIST-A COLIFORM (TCR) Present Present Repeat 20200603036 Alert TCR0 2020-06-05
Notice - Source COLI19900 06/03/2020 06/05/2020 06/05/2020 0 SRC-AA COLIFORM (TCR) Present Present Triggered 20200603037 Notice Source 2020-06-05
Notice - Sodium IOC-35 08/09/2023 08/31/2023 EP-A SODIUM 66.9 20 MG/L 23080458-01A-I Notice Sodium 2023-08-31


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