OHA Drinking Water Services
PWS ID: 01426 ---- VALLEY VISTA WATER IMPROV DIST

Alerts indicate water quality tests with analytical results greater than the detection limit or one-half of the maximum allowable contaminant level which may require some follow-up actions by Drinking Water Services. See the Contacts link for reports on follow-up actions. Alerts are not water quality violations. Violations for this water system can be found here.

Alert Type Abbreviations:  CHEM = Chemical, COLI = Coliform, SOURCE = Coliform source sample*, SODIUM = Sodium*
*Non-alert (water quality notice)
Results:  43 alerts found for this water system.Show response time
Water Quality Alerts
Alert ID Sample
Date		 Alert
Date		 Source
ID		 Source Name Alert
Type		 Contaminant Result Alert
Level		 MCL Contact
Report
COLI20707 12/28/2020 12/30/2020 SRC-AA Well #1 SOURCE* COLIFORM, TOTAL (TCR) Present Present Present01/04/2021
COLI20531 11/06/2020 11/09/2020 SRC-AA Well 1 Sill Cock SOURCE* COLIFORM, TOTAL (TCR) Present Present Present11/09/2020
COLI20509 11/03/2020 11/04/2020 DIST-A 375 Robleda Dr COLI COLIFORM, TOTAL (TCR) Present Present Present11/04/2020
COLI19191 08/23/2019 08/26/2019 SRC-AA 415 Robleda Dr Well #1 SOURCE* COLIFORM, TOTAL (TCR) Present Present Present
COLI19191 08/23/2019 08/26/2019 SRC-AB 415 Robleda Dr Well #2 SOURCE* COLIFORM, TOTAL (TCR) Present Present Present
CHEM8274 03/05/2019 03/22/2019 EP-A EP FOR WELLFIELD SODIUM* SODIUM 47.420
COLI18113 08/17/2018 08/20/2018 SRC-AA Well #1 SOURCE* COLIFORM, TOTAL (TCR) Present Present Present
COLI18113 08/12/2018 08/20/2018 SRC-AB Well #2 SOURCE* COLIFORM, TOTAL (TCR) Present Present Present
COLI11806 07/08/2013 07/11/2013 DIST-A 295 robleda dr os sill cock COLI COLIFORM, TOTAL (TCR) Present Present Present08/21/2013
COLI11359 12/20/2012 12/24/2012 SRC-AB well #2 SOURCE* COLIFORM, TOTAL (TCR) Present Present Present
CHEM4933 06/30/2011 07/07/2011 EP-A EP FOR WELLFIELD CHEM ARSENIC 0.01410.0105 0.0107/08/2011
CHEM4676 01/04/2011 01/11/2011 EP-A EP FOR WELLFIELD CHEM ARSENIC 0.01960.0105 0.0101/12/2011
CHEM4437 10/05/2010 10/20/2010 EP-A EP FOR WELLFIELD CHEM ARSENIC 0.01230.0105 0.0110/20/2010
CHEM4307 07/06/2010 08/17/2010 EP-A EP FOR WELLFIELD SODIUM* SODIUM 64.820
CHEM4219 07/06/2010 07/08/2010 EP-A EP FOR WELLFIELD CHEM ARSENIC 0.01940.0105 0.0107/15/2010
CHEM4133 06/02/2010 06/10/2010 EP-A EP FOR WELLFIELD CHEM ARSENIC 0.02520.0105 0.0106/15/2010
CHEM3882 12/16/2009 12/30/2009 EP-A EP FOR WELLFIELD CHEM ARSENIC 0.01480.0105 0.0112/30/2009
CHEM3506 05/11/2009 05/15/2009 EP-A EP FOR WELLFIELD CHEM ARSENIC 0.02760.0105 0.0105/22/2009
CHEM3406 02/16/2009 03/19/2009 EP-A EP FOR WELLFIELD CHEM ARSENIC 0.0180.0105 0.0103/20/2009
CHEM3406 02/16/2009 03/19/2009 EP-A EP FOR WELLFIELD CHEM ARSENIC 0.02530.0105 0.0103/20/2009
CHEM3252 12/02/2008 12/09/2008 EP-A EP FOR WELLFIELD CHEM ARSENIC 0.0140.0105 0.0112/09/2008
CHEM1878 12/02/2005 01/11/2006 EP-A EP FOR WELLFIELD CHEM ARSENIC 0.02280.0105 0.01
CHEM1753 07/26/2005 09/29/2005 EP-A EP FOR WELLFIELD CHEM ARSENIC 0.01280.0105 0.01
CHEM1753 07/26/2005 09/29/2005 EP-A EP FOR WELLFIELD CHEM ARSENIC 0.02080.0105 0.01
COLI2136 07/01/2005 07/06/2005 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
CHEM1122 12/14/2004 01/20/2005 EP-A EP FOR WELLFIELD CHEM ARSENIC 0.01210.0105 0.01
COLI1614 10/20/2004 10/27/2004 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI1546 10/04/2004 10/11/2004 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI1546 10/04/2004 10/11/2004 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI1546 10/04/2004 10/11/2004 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI1546 10/04/2004 10/11/2004 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI1384 08/09/2004 08/16/2004 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI1384 08/09/2004 08/16/2004 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI1384 08/09/2004 08/16/2004 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI1288 07/01/2004 07/13/2004 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI673 10/02/2003 10/08/2003 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI571 09/02/2003 09/10/2003 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI571 09/02/2003 09/10/2003 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI571 09/02/2003 09/10/2003 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI571 09/02/2003 09/10/2003 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI571 09/02/2003 09/10/2003 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI447 08/01/2003 08/06/2003 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI366 07/01/2003 07/15/2003 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
*Non-alert (water quality notice)


Archived Alerts (SWS database)
Date Source Chemical Results mg/l MCL mg/l
11/26/2001A--WELLFIELDArsenic0.015 0.05
09/23/1998A--WELLFIELDChromium0.06 0.1
09/04/2002Coliform
08/06/2002Coliform
08/01/2002Coliform
10/02/2001Coliform
09/10/2001Coliform
09/04/2001Coliform
08/02/2001Coliform
06/12/2001Coliform
10/02/2000Coliform
08/24/2000Coliform
08/14/2000Coliform
08/01/2000Coliform
11/04/1999Coliform
10/04/1999Coliform
09/03/1999Coliform
08/12/1999Coliform
08/05/1999Coliform
05/06/1999Coliform
09/11/1998Coliform
08/20/1998Coliform
08/12/1998Coliform
08/20/1997Coliform
08/04/1997Coliform
08/01/1997Coliform
01/06/1997Coliform
11/05/1996Coliform
10/07/1996Coliform
10/02/1996Coliform
09/03/1996Coliform
08/06/1996Coliform
08/02/1996Coliform
10/06/1994Coliform
10/03/1994Coliform
08/04/1994Coliform
08/03/1994Coliform
08/01/1994Coliform
12/01/1993Coliform
10/04/1993Coliform
08/02/1993Coliform
11/26/2001A--WELLFIELDSodium104
09/23/1998A--WELLFIELDSodium60
09/07/1993A--WELLFIELDSodium96.7
05/28/1991A--WELLFIELD (WELLS #1 & #2)Sodium64.98


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