OHA Drinking Water Services
OR41
PWS ID: 01426 ---- VALLEY VISTA WATER IMPROV DIST
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 05/28/1991 07/05/1991 A SODIUM 64.98 20 MG/L -1912784 Alert Chem IOC0 1991-07-05
TCR ARCHIVE 08/02/1993 08/09/1993 COLIFORM (TCR) Present Present Routine 93-6469 Alert TCR0 1993-08-09
IOC ARCHIVE 09/07/1993 03/08/1994 A SODIUM 96.7 20 MG/L 93-7907 Alert Chem IOC0 1994-03-08
TCR ARCHIVE 10/04/1993 10/13/1993 COLIFORM (TCR) Present Present Routine 93-8998 Alert TCR0 1993-10-13
TCR ARCHIVE 12/01/1993 12/07/1993 COLIFORM (TCR) Present Present Routine 93-10820 Alert TCR0 1993-12-07
TCR ARCHIVE 08/01/1994 08/08/1994 COLIFORM (TCR) Present Present Routine 94-7646 Alert TCR0 1994-08-08
TCR ARCHIVE 08/03/1994 08/09/1994 COLIFORM (TCR) Present Present Repeat 94-7763 Alert TCR0 1994-08-09
TCR ARCHIVE 08/04/1994 08/09/1994 COLIFORM (TCR) Present Present Repeat 94-7837 Alert TCR0 1994-08-09
TCR ARCHIVE 10/03/1994 10/12/1994 COLIFORM (TCR) Present Present Routine 94-9996 Alert TCR0 1994-10-12
TCR ARCHIVE 10/06/1994 10/12/1994 COLIFORM (TCR) Present Present Repeat 94-10149 Alert TCR0 1994-10-12
TCR ARCHIVE 08/02/1996 08/08/1996 COLIFORM (TCR) Present Present Routine 96-7269 Alert TCR0 1996-08-08
TCR ARCHIVE 08/06/1996 08/13/1996 COLIFORM (TCR) Present Present Repeat 96-7387 Alert TCR0 1996-08-13
TCR ARCHIVE 08/06/1996 08/13/1996 COLIFORM (TCR) Present Present Routine 96-7388 Alert TCR0 1996-08-13
TCR ARCHIVE 09/03/1996 11/05/1996 COLIFORM (TCR) Present Present Routine 96-8625 Alert TCR0 1996-11-05
TCR ARCHIVE 10/02/1996 10/07/1996 COLIFORM (TCR) Present Present Routine 96-9687 Alert TCR0 1996-10-07
TCR ARCHIVE 10/07/1996 10/15/1996 COLIFORM (TCR) Present Present Repeat 96-9920 Alert TCR0 1996-10-15
TCR ARCHIVE 10/07/1996 10/15/1996 COLIFORM (TCR) Present Present Repeat 96-9922 Alert TCR0 1996-10-15
TCR ARCHIVE 10/07/1996 10/15/1996 COLIFORM (TCR) Present Present Repeat 96-9923 Alert TCR0 1996-10-15
TCR ARCHIVE 11/05/1996 11/13/1996 COLIFORM (TCR) Present Present Routine 96-10955 Alert TCR0 1996-11-13
TCR ARCHIVE 01/06/1997 01/09/1997 COLIFORM (TCR) Present Present Routine 97-219 Alert TCR0 1997-01-09
TCR ARCHIVE 08/01/1997 08/06/1997 COLIFORM (TCR) Present Present Routine 97-7900 Alert TCR0 1997-08-06
TCR ARCHIVE 08/04/1997 08/08/1997 COLIFORM (TCR) Present Present Repeat 97-7940 Alert TCR0 1997-08-08
TCR ARCHIVE 08/04/1997 08/08/1997 COLIFORM (TCR) Present Present Repeat 97-7941 Alert TCR0 1997-08-08
TCR ARCHIVE 08/04/1997 08/08/1997 COLIFORM (TCR) Present Present Repeat 97-7942 Alert TCR0 1997-08-08
TCR ARCHIVE 08/04/1997 08/08/1997 COLIFORM (TCR) Present Present Repeat 97-7943 Alert TCR0 1997-08-08
TCR ARCHIVE 08/20/1997 08/26/1997 COLIFORM (TCR) Present Present Repeat 97-8659 Alert TCR0 1997-08-26
TCR ARCHIVE 08/20/1997 08/26/1997 COLIFORM (TCR) Present Present Repeat 97-8660 Alert TCR0 1997-08-26
TCR ARCHIVE 08/12/1998 08/18/1998 COLIFORM (TCR) Present Present Routine 98-9160 Alert TCR0 1998-08-18
TCR ARCHIVE 08/20/1998 08/24/1998 COLIFORM (TCR) Present Present Repeat 989556 Alert TCR0 1998-08-24
TCR ARCHIVE 08/20/1998 08/24/1998 COLIFORM (TCR) Present Present Repeat 989557 Alert TCR0 1998-08-24
TCR ARCHIVE 09/11/1998 09/18/1998 COLIFORM (TCR) Present Present Routine 9810418 Alert TCR0 1998-09-18
TCR ARCHIVE 09/11/1998 09/18/1998 COLIFORM (TCR) Present Present Routine 9810420 Alert TCR0 1998-09-18
TCR ARCHIVE 09/11/1998 09/18/1998 COLIFORM (TCR) Present Present Routine 9810421 Alert TCR0 1998-09-18
TCR ARCHIVE 09/11/1998 09/18/1998 COLIFORM (TCR) Present Present Routine 9810422 Alert TCR0 1998-09-18
IOC ARCHIVE 09/23/1998 11/13/1998 A CHROMIUM 0.06 0.1 MG/L 98-10931 Alert Chem IOC0 1998-11-13
IOC ARCHIVE 09/23/1998 11/13/1998 A SODIUM 60 20 MG/L 98-10931 Alert Chem IOC0 1998-11-13
TCR ARCHIVE 05/06/1999 05/10/1999 COLIFORM (TCR) Present Present Routine 990511001A Alert TCR0 1999-05-10
TCR ARCHIVE 08/05/1999 08/11/1999 COLIFORM (TCR) Present Present Routine 990812801 Alert TCR0 1999-08-11
TCR ARCHIVE 08/12/1999 08/18/1999 COLIFORM (TCR) Present Present Repeat 990832301A Alert TCR0 1999-08-18
TCR ARCHIVE 08/12/1999 08/18/1999 COLIFORM (TCR) Present Present Repeat 990832303A Alert TCR0 1999-08-18
TCR ARCHIVE 08/12/1999 08/18/1999 COLIFORM (TCR) Present Present Repeat 990832305A Alert TCR0 1999-08-18
TCR ARCHIVE 09/03/1999 09/09/1999 COLIFORM (TCR) Present Present Routine 990911802 Alert TCR0 1999-09-09
TCR ARCHIVE 09/03/1999 09/09/1999 COLIFORM (TCR) Present Present Routine 990911803 Alert TCR0 1999-09-09
TCR ARCHIVE 09/03/1999 09/09/1999 COLIFORM (TCR) Present Present Routine 990911804 Alert TCR0 1999-09-09
TCR ARCHIVE 09/03/1999 09/09/1999 COLIFORM (TCR) Present Present Routine 990911805 Alert TCR0 1999-09-09
TCR ARCHIVE 10/04/1999 10/12/1999 COLIFORM (TCR) Present Present Routine 991003801 Alert TCR0 1999-10-12
TCR ARCHIVE 11/04/1999 11/10/1999 COLIFORM (TCR) Present Present Routine 991113801 Alert TCR0 1999-11-10
TCR ARCHIVE 08/01/2000 08/07/2000 COLIFORM (TCR) Present Present Routine 000803401A Alert TCR0 2000-08-07
TCR ARCHIVE 08/14/2000 08/18/2000 COLIFORM (TCR) Present Present Repeat 000832001A Alert TCR0 2000-08-18
TCR ARCHIVE 08/14/2000 08/18/2000 COLIFORM (TCR) Present Present Repeat 000832002A Alert TCR0 2000-08-18
TCR ARCHIVE 08/14/2000 08/18/2000 COLIFORM (TCR) Present Present Repeat 000832003 Alert TCR0 2000-08-18
TCR ARCHIVE 08/14/2000 08/18/2000 COLIFORM (TCR) Present Present Repeat 000832004 Alert TCR0 2000-08-18
TCR ARCHIVE 08/24/2000 08/30/2000 COLIFORM (TCR) Present Present Repeat 000857101A Alert TCR0 2000-08-30
TCR ARCHIVE 08/24/2000 08/30/2000 COLIFORM (TCR) Present Present Repeat 000857102A Alert TCR0 2000-08-30
TCR ARCHIVE 08/24/2000 08/30/2000 COLIFORM (TCR) Present Present Repeat 000857103 Alert TCR0 2000-08-30
TCR ARCHIVE 08/24/2000 08/30/2000 COLIFORM (TCR) Present Present Repeat 000857104 Alert TCR0 2000-08-30
TCR ARCHIVE 10/02/2000 10/26/2000 COLIFORM (TCR) Present Present Routine 001004303A Alert TCR0 2000-10-26
TCR ARCHIVE 06/12/2001 06/18/2001 COLIFORM (TCR) Present Present Routine 010624501A Alert TCR0 2001-06-18
TCR ARCHIVE 08/02/2001 08/13/2001 COLIFORM (TCR) Present Present Routine 010807901A Alert TCR0 2001-08-13
TCR ARCHIVE 09/04/2001 09/10/2001 COLIFORM (TCR) Present Present Routine 010703801A Alert TCR0 2001-09-10
TCR ARCHIVE 09/10/2001 09/17/2001 COLIFORM (TCR) Present Present Repeat 010915903A Alert TCR0 2001-09-17
TCR ARCHIVE 09/10/2001 09/17/2001 COLIFORM (TCR) Present Present Repeat 010915904A Alert TCR0 2001-09-17
TCR ARCHIVE 09/10/2001 09/17/2001 COLIFORM (TCR) Present Present Repeat 010915905A Alert TCR0 2001-09-17
TCR ARCHIVE 10/02/2001 10/09/2001 COLIFORM (TCR) Present Present Routine 011005901A Alert TCR0 2001-10-09
TCR ARCHIVE 10/02/2001 10/09/2001 COLIFORM (TCR) Present Present Routine 011005902A Alert TCR0 2001-10-09
TCR ARCHIVE 10/02/2001 10/09/2001 COLIFORM (TCR) Present Present Routine 011005904A Alert TCR0 2001-10-09
TCR ARCHIVE 10/02/2001 10/10/2001 COLIFORM (TCR) Present Present Repeat 011005905A Alert TCR0 2001-10-10
ARS ARCHIVE 11/26/2001 01/11/2002 A ARSENIC 0.015 0.01 MG/L 0111445 Alert Chem ARS0 2002-01-11
IOC ARCHIVE 11/26/2001 08/27/2002 A SODIUM 104 20 MG/L 0111445 Alert Chem IOC0 2002-08-27
TCR ARCHIVE 08/01/2002 08/09/2002 COLIFORM (TCR) Present Present Routine 020802701A Alert TCR0 2002-08-09
TCR ARCHIVE 08/06/2002 08/12/2002 COLIFORM (TCR) Present Present Repeat 020812701A Alert TCR0 2002-08-12
TCR ARCHIVE 08/06/2002 08/12/2002 COLIFORM (TCR) Present Present Repeat 020812702H Alert TCR0 2002-08-12
TCR ARCHIVE 08/06/2002 08/12/2002 COLIFORM (TCR) Present Present Repeat 020812703A Alert TCR0 2002-08-12
TCR ARCHIVE 08/06/2002 08/12/2002 COLIFORM (TCR) Present Present Repeat 020812704A Alert TCR0 2002-08-12
TCR ARCHIVE 09/04/2002 09/09/2002 COLIFORM (TCR) Present Present Routine 020908601A Alert TCR0 2002-09-09
TCR ARCHIVE 09/04/2002 09/09/2002 COLIFORM (TCR) Present Present Routine 020908602A Alert TCR0 2002-09-09
TCR ARCHIVE 09/04/2002 09/09/2002 COLIFORM (TCR) Present Present Routine 020908603A Alert TCR0 2002-09-09
TCR ARCHIVE 09/04/2002 09/09/2002 COLIFORM (TCR) Present Present Routine 020908604A Alert TCR0 2002-09-09
TCR ARCHIVE 09/04/2002 09/09/2002 COLIFORM (TCR) Present Present Routine 020908605A Alert TCR0 2002-09-09
TCR COLI366 07/01/2003 07/15/2003 DIST-A COLIFORM (TCR) Present Present Routine 030703401A Alert TCR0 2003-07-15
TCR COLI447 08/01/2003 08/06/2003 DIST-A COLIFORM (TCR) Present Present Routine 030802501A Alert TCR0 2003-08-06
TCR COLI571 09/02/2003 09/10/2003 DIST-A COLIFORM (TCR) Present Present Routine 030904201A Alert TCR0 2003-09-10
TCR COLI571 09/02/2003 09/10/2003 DIST-A COLIFORM (TCR) Present Present Routine 030904202A Alert TCR0 2003-09-10
TCR COLI571 09/02/2003 09/10/2003 DIST-A COLIFORM (TCR) Present Present Routine 030904203A Alert TCR0 2003-09-10
TCR COLI571 09/02/2003 09/10/2003 DIST-A COLIFORM (TCR) Present Present Routine 030904204A Alert TCR0 2003-09-10
TCR COLI571 09/02/2003 09/10/2003 DIST-A COLIFORM (TCR) Present Present Routine 030904205A Alert TCR0 2003-09-10
TCR COLI673 10/02/2003 10/08/2003 DIST-A COLIFORM (TCR) Present Present Routine 031007201A Alert TCR0 2003-10-08
TCR COLI1288 07/01/2004 07/13/2004 DIST-A COLIFORM (TCR) Present Present Routine 040703401A Alert TCR0 2004-07-13
TCR COLI1384 08/09/2004 08/16/2004 DIST-A COLIFORM (TCR) Present Present Routine 040821902A Alert TCR0 2004-08-16
TCR COLI1384 08/09/2004 08/16/2004 DIST-A COLIFORM (TCR) Present Present Routine 040821904A Alert TCR0 2004-08-16
TCR COLI1384 08/09/2004 08/16/2004 DIST-A COLIFORM (TCR) Present Present Routine 040821905A Alert TCR0 2004-08-16
TCR COLI1546 10/04/2004 10/11/2004 DIST-A COLIFORM (TCR) Present Present Routine 041006601A Alert TCR0 2004-10-11
TCR COLI1546 10/04/2004 10/11/2004 DIST-A COLIFORM (TCR) Present Present Routine 041006602A Alert TCR0 2004-10-11
TCR COLI1546 10/04/2004 10/11/2004 DIST-A COLIFORM (TCR) Present Present Routine 041006603A Alert TCR0 2004-10-11
TCR COLI1546 10/04/2004 10/11/2004 DIST-A COLIFORM (TCR) Present Present Routine 041006605A Alert TCR0 2004-10-11
TCR COLI1614 10/20/2004 10/27/2004 DIST-A COLIFORM (TCR) Present Present Repeat 041039302A Alert TCR0 2004-10-27
ARS CHEM1122 12/14/2004 01/20/2005 EP-A ARSENIC 0.0121 0.01 MG/L 0412375-01C Alert Chem CMCL ARS0 2005-01-20
TCR COLI2136 07/01/2005 07/06/2005 DIST-A COLIFORM (TCR) Present Present Routine 0507016-01A Alert TCR0 2005-07-06
ARS CHEM1753 07/26/2005 09/29/2005 EP-A ARSENIC 0.0128 0.01 MG/L 0507586-01A Alert Chem CMCL ARS0 2005-09-29
ARS CHEM1753 07/26/2005 09/29/2005 EP-A ARSENIC 0.0208 0.01 MG/L 0507588-01A Alert Chem CMCL ARS0 2005-09-29
ARS CHEM1878 12/02/2005 01/11/2006 EP-A ARSENIC 0.0228 0.01 MG/L 0512051-01B Alert Chem CMCL ARS0 2006-01-11
ARS CHEM3252 12/02/2008 12/09/2008 12/09/2008 0 EP-A ARSENIC 0.014 0.01 MG/L 081205001B-I Alert Chem CMCL ARS0 2008-12-09
ARS CHEM3406 02/16/2009 03/19/2009 03/20/2009 1 EP-A ARSENIC 0.0253 0.01 MG/L 090229401A-I Alert Chem CMCL ARS0 2009-03-19
ARS CHEM3406 02/16/2009 03/19/2009 03/20/2009 1 EP-A ARSENIC 0.018 0.01 MG/L 090229901A-I Alert Chem CMCL ARS0 2009-03-19
ARS CHEM3506 05/11/2009 05/15/2009 05/22/2009 7 EP-A ARSENIC 0.0276 0.01 MG/L 090524801A-I Alert Chem CMCL ARS0 2009-05-15
ARS CHEM3882 12/16/2009 12/30/2009 12/30/2009 0 EP-A ARSENIC 0.0148 0.01 MG/L 091243501A-I Alert Chem CMCL ARS0 2009-12-30
ARS CHEM4133 06/02/2010 06/10/2010 06/15/2010 5 EP-A ARSENIC 0.0252 0.01 MG/L 100607901B-I Alert Chem CMCL ARS0 2010-06-10
ARS CHEM4219 07/06/2010 07/08/2010 07/15/2010 7 EP-A ARSENIC 0.0194 0.01 MG/L 100708001B-I Alert Chem CMCL ARS0 2010-07-08
Notice - Sodium CHEM4307 07/06/2010 08/17/2010 EP-A SODIUM 64.8 20 MG/L 100708001B Notice Sodium 2010-08-17
ARS CHEM4437 10/05/2010 10/20/2010 10/20/2010 0 EP-A ARSENIC 0.0123 0.01 MG/L 101016101B-I Alert Chem CMCL ARS0 2010-10-20
ARS CHEM4676 01/04/2011 01/11/2011 01/12/2011 1 EP-A ARSENIC 0.0196 0.01 MG/L 110103501B-I Alert Chem CMCL ARS0 2011-01-11
ARS CHEM4933 06/30/2011 07/07/2011 07/08/2011 1 EP-A ARSENIC 0.0141 0.01 MG/L 110692401A-I Alert Chem CMCL ARS0 2011-07-07
Notice - Source COLI11359 12/20/2012 12/24/2012 SRC-AB COLIFORM (TCR) Present Present Assessment 121255601A Notice Source 2012-12-24
TCR COLI11806 07/08/2013 07/11/2013 08/21/2013 41 DIST-A COLIFORM (TCR) Present Present Routine 130719101A Alert TCR0 2013-07-11
Notice - Source COLI18113 08/12/2018 08/20/2018 SRC-AB COLIFORM (TCR) Present Present Assessment 180882002A Notice Source 2018-08-20
Notice - Source COLI18113 08/17/2018 08/20/2018 SRC-AA COLIFORM (TCR) Present Present Assessment 180882001A Notice Source 2018-08-20
Notice - Sodium CHEM8274 03/05/2019 03/22/2019 EP-A SODIUM 47.4 20 MG/L 190311001B-I Notice Sodium 2019-03-22
Notice - Source COLI19191 08/23/2019 08/26/2019 SRC-AA COLIFORM (TCR) Present Present Assessment 1908124801A Notice Source 2019-08-26
Notice - Source COLI19191 08/23/2019 08/26/2019 SRC-AB COLIFORM (TCR) Present Present Assessment 1908124802A Notice Source 2019-08-26
TCR COLI20509 11/03/2020 11/04/2020 11/04/2020 0 DIST-A COLIFORM (TCR) Present Present Routine 2011011401 Alert TCR0 2020-11-04
Notice - Source COLI20531 11/06/2020 11/09/2020 11/09/2020 0 SRC-AA COLIFORM (TCR) Present Present Triggered 2011035201 Notice Source 2020-11-09
Notice - Source COLI20707 12/28/2020 12/30/2020 01/04/2021 5 SRC-AA COLIFORM (TCR) Present Present Assessment 2012136101 Notice Source 2020-12-30
TCR COLI21347 09/02/2021 09/03/2021 09/03/2021 0 DIST-A COLIFORM (TCR) Present Present Routine 2109007801 Alert TCR0 2021-09-03
Notice - Source COLI21384 09/13/2021 09/14/2021 09/14/2021 0 SRC-AB COLIFORM (TCR) Present Present Triggered 2109048402 Notice Source 2021-09-14
Notice - Source TCR-1489 12/11/2023 12/13/2023 12/14/2023 1 SRC-AA COLIFORM (TCR) Present Present Assessment 23120483-01 Notice Source 2023-12-13
Notice - Source TCR-2196 06/21/2024 06/24/2024 06/28/2024 4 SRC-AB COLIFORM (TCR) Present Present Assessment 24060933-02 Notice Source 2024-06-24


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