PWS ID: 00200 ---- COBURG, CITY OF

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
Results:  55 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
CHEM8868 02/26/2020 03/05/2020 EP-A EP FOR WELLS #1 & #2 CHEM NITRATE (AS N) 6.775 1003/05/2020
CHEM8090 09/19/2018 09/26/2018 EP-A EP FOR WELLS #1 & #2 CHEM NITRATE (AS N) 5.255 1009/26/2018
CHEM8090 09/19/2018 09/26/2018 EP-A EP FOR WELLS #1 & #2 CHEM NITRATE (AS N) 6.315 1009/26/2018
CHEM6626 02/06/2015 02/18/2015 EP-A EP FOR WELLS #1 & #2 CHEM NITRATE (AS N) 5.185 1002/18/2015
CHEM6246 02/10/2014 03/26/2014 EP-A EP FOR WELLS #1 & #2 CHEM NITRATE (AS N) 5.45 1003/27/2014
CHEM5716 02/04/2013 03/11/2013 EP-A EP FOR WELLS #1 & #2 CHEM NITRATE (AS N) 5.55 1003/22/2012
CHEM5648 12/10/2012 12/24/2012 EP-A EP FOR WELLS #1 & #2 CHEM NITRATE (AS N) 55 1012/26/2012
CHEM5304 03/01/2012 03/08/2012 SRC-AB WELL #2 (LANE7553) CHEM NITRATE (AS N) 5.95 1003/22/2012
CHEM5047 09/02/2011 09/20/2011 SRC-AB WELL #2 (LANE7553) CHEM NITRATE (AS N) 6.15 1009/21/2011
CHEM4998 08/04/2011 08/19/2011 EP-A EP FOR WELLS #1 & #2 CHEM NITRATE (AS N) 65 1008/22/2011
CHEM4971 07/07/2011 07/26/2011 EP-A EP FOR WELLS #1 & #2 CHEM NITRATE (AS N) 5.55 1007/26/2011
CHEM4902 06/02/2011 06/13/2011 EP-A EP FOR WELLS #1 & #2 CHEM NITRATE (AS N) 5.65 1006/16/2011
CHEM4863 05/03/2011 05/17/2011 EP-A EP FOR WELLS #1 & #2 CHEM NITRATE (AS N) 5.15 1005/17/2011
CHEM4838 04/07/2011 04/15/2011 EP-A EP FOR WELLS #1 & #2 CHEM NITRATE (AS N) 5.45 10
CHEM4756 02/03/2011 02/10/2011 EP-A EP FOR WELLS #1 & #2 CHEM NITRATE (AS N) 6.55 1002/14/2011
CHEM4729 01/06/2011 01/20/2011 EP-A EP FOR WELLS #1 & #2 CHEM NITRATE (AS N) 65 1001/10/2011
CHEM4729 01/06/2011 01/20/2011 EP-A EP FOR WELLS #1 & #2 CHEM NITRATE (AS N) 6.25 1001/10/2011
CHEM4547 11/04/2010 11/15/2010 EP-A EP FOR WELLS #1 & #2 CHEM NITRATE (AS N) 5.25 1011/18/2010
CHEM4500 07/01/2010 10/29/2010 EP-A EP FOR WELLS #1 & #2 CHEM NITRATE (AS N) 5.65 1011/01/2010
CHEM4387 09/02/2010 09/29/2010 EP-A EP FOR WELLS #1 & #2 CHEM NITRATE (AS N) 5.25 1010/05/2010
CHEM3950 02/04/2010 02/17/2010 EP-A EP FOR WELLS #1 & #2 CHEM NITRATE (AS N) 5.45 1002/18/2010
CHEM3913 01/14/2010 01/21/2010 EP-A EP FOR WELLS #1 & #2 CHEM NITRATE (AS N) 5.45 1001/21/2010
CHEM3903 01/07/2010 01/14/2010 EP-A EP FOR WELLS #1 & #2 CHEM NITRATE (AS N) 65 1001/13/2010
CHEM3861 12/03/2009 12/10/2009 EP-A EP FOR WELLS #1 & #2 CHEM NITRATE (AS N) 5.55 1012/10/2009
CHEM3796 10/01/2009 10/27/2009 EP-A EP FOR WELLS #1 & #2 CHEM NITRATE (AS N) 5.15 1010/27/2009
CHEM3796 10/01/2009 10/27/2009 EP-A EP FOR WELLS #1 & #2 CHEM NITRATE (AS N) 5.45 1010/27/2009
CHEM3796 10/09/2009 10/27/2009 EP-A EP FOR WELLS #1 & #2 CHEM NITRATE (AS N) 55 1010/27/2009
03/01/2007 10/02/2009 EP-A EP FOR WELLS #1 & #2 CHEM NITRATE (AS N) 5.25 10
06/08/2007 10/02/2009 EP-A EP FOR WELLS #1 & #2 CHEM NITRATE (AS N) 5.45 10
07/02/2007 10/02/2009 EP-A EP FOR WELLS #1 & #2 CHEM NITRATE (AS N) 5.25 10
01/03/2008 10/02/2009 EP-A EP FOR WELLS #1 & #2 CHEM NITRATE (AS N) 5.35 10
02/07/2008 10/02/2009 EP-A EP FOR WELLS #1 & #2 CHEM NITRATE (AS N) 5.15 10
05/03/2007 10/02/2009 EP-A EP FOR WELLS #1 & #2 CHEM NITRATE (AS N) 5.15 10
12/04/2008 10/02/2009 EP-A EP FOR WELLS #1 & #2 CHEM NITRATE (AS N) 5.25 10
04/02/2009 10/02/2009 EP-A EP FOR WELLS #1 & #2 CHEM NITRATE (AS N) 5.45 10
12/06/2007 10/02/2009 EP-A EP FOR WELLS #1 & #2 CHEM NITRATE (AS N) 5.35 10
CHEM3430 03/05/2009 03/31/2009 EP-A EP FOR WELLS #1 & #2 CHEM NITRATE (AS N) 5.95 1004/09/2009
CHEM3099 09/04/2008 09/23/2008 EP-A EP FOR WELLS #1 & #2 CHEM NITRATE (AS N) 5.75 10
CHEM3072 08/07/2008 08/27/2008 EP-A EP FOR WELLS #1 & #2 CHEM NITRATE (AS N) 5.95 10
CHEM3035 07/09/2008 07/23/2008 EP-A EP FOR WELLS #1 & #2 CHEM NITRATE (AS N) 5.55 10
CHEM2999 06/05/2008 06/27/2008 EP-A EP FOR WELLS #1 & #2 CHEM NITRATE (AS N) 5.75 10
CHEM2951 05/01/2008 05/14/2008 EP-A EP FOR WELLS #1 & #2 CHEM NITRATE (AS N) 5.55 10
CHEM2907 04/03/2008 04/15/2008 EP-A EP FOR WELLS #1 & #2 CHEM NITRATE (AS N) 5.85 10
CHEM2874 03/06/2008 03/18/2008 EP-A EP FOR WELLS #1 & #2 CHEM NITRATE (AS N) 5.95 10
CHEM2588 08/03/2007 08/22/2007 EP-A EP FOR WELLS #1 & #2 CHEM NITRATE (AS N) 5.55 10
CHEM2414 02/01/2007 04/02/2007 EP-A EP FOR WELLS #1 & #2 CHEM NITRATE (AS N) 5.85 10
CHEM2011 05/04/2006 06/13/2006 SRC-AB WELL #2 (LANE7553) CHEM NITRATE (AS N) 5.65 10
CHEM824 07/01/2004 08/11/2004 SRC-AB WELL #2 (BACK-UP) CHEM NITRATE (AS N) 5.85 10
CHEM366 04/01/2003 04/17/2003 SRC-AB WELL #2 (BACK-UP) CHEM NITRATE (AS N) 6.35 10
COLI878 11/13/2003 12/14/2003 DIST-A Distribution System COLI COLIFORM, E. COLI Present Present Present
COLI19950 06/17/2020 06/19/2020 DIST-A 91611 N Coburg Rd bath sink COLI COLIFORM, TOTAL (TCR) Present Present Present06/19/2020
COLI19931 06/15/2020 06/17/2020 DIST-A 91611 N Coburd Rd bath sink COLI COLIFORM, TOTAL (TCR) Present Present Present06/17/2020
COLI10179 02/02/2012 02/06/2012 DIST-A pw shop lab COLI COLIFORM, TOTAL (TCR) Present Present Present02/07/2012
COLI1044 03/01/2004 03/09/2004 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI878 11/13/2003 12/14/2003 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present


Archived Alerts (SWS database)
Date Source Chemical Results mg/l MCL mg/l
08/08/1996Coliform
06/05/2001AB--WELL #2 (BACK-UP)Nitrate5.1 10
03/07/1994A--EP FOR WELLS #1 & #2Nitrate5.6 10
01/10/1994A--EP FOR WELLS #1 & #2Nitrate5.7 10



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: 3270