PWS ID: 00356 ---- GRASS VALLEY WATER SYSTEM

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, SODIUM = Sodium*
*Non-alert (water quality notice)
Results:  18 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
COLI15929 09/08/2016 09/12/2016 DIST-A well faucet COLI COLIFORM, TOTAL (TCR) Present Present Present09/12/2016
CHEM5396 06/11/2012 06/20/2012 EP-A EP FOR WELLS #1 & #3 SODIUM* SODIUM 20.620
COLI6451 07/09/2009 07/13/2009 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present07/13/2009
COLI6451 07/09/2009 07/13/2009 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present07/13/2009
COLI6424 07/07/2009 07/09/2009 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present07/09/2009
COLI4208 06/21/2007 06/22/2007 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
CHEM2427 12/20/2006 04/09/2007 EP-A EP FOR WELLS #1 & #3 CHEM DI(2-ETHYLHEXYL) - PHTHALATE 0.00180.0006 0.00604/09/2007
COLI1527 09/29/2004 10/04/2004 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI1527 09/29/2004 10/04/2004 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI1521 09/27/2004 09/30/2004 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI790 09/09/2003 11/12/2003 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI761 09/02/2003 11/06/2003 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI724 10/21/2003 10/24/2003 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI540 08/28/2003 09/03/2003 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI540 08/28/2003 09/03/2003 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI540 08/28/2003 09/03/2003 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI532 08/25/2003 09/02/2003 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI532 08/25/2003 09/02/2003 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
09/04/2000Coliform
12/02/1998Coliform
04/08/1998Coliform
04/01/1998Coliform
01/07/1998Coliform
12/03/1997Coliform
11/26/1997Coliform
11/05/1997Coliform
10/01/1997Coliform
05/07/1997Coliform
07/11/1995Coliform
09/07/1993Coliform



For further information on this public water system, click on the area of interest below:
System Info :: Report for Lenders :: Alerts :: Violations :: Compliance & Enforcement :: Contacts & Advisories :: Site Visits :: Public Notice
Coliform Summary :: Coliform Results :: Sampling Schedule for Coliform :: Groundwater/GWUDI Source Details :: Plan Review
Chemical Group Summary :: Latest Chemical Results :: Entry Point Detects :: Single Analyte Results 
Chemical Schedule Summary :: Chemical Schedule Details
Lead & Copper :: Corrosion Control (LCR) :: Nitrate :: Arsenic :: Radionuclides :: GWR 4-Log :: LT2 :: Cyanotoxins
DBPs :: TOC & Alkalinity :: DBP Sample Sites :: FANLs :: MRDL :: Turbidity :: SWTR :: RAA :: LRAA For SDWIS: 3321