PWS ID: 00878 ---- TIGARD, 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, SOURCE = Coliform source sample*, LCR = Lead and copper 90th percentile
*Non-alert (water quality notice)
Results:  47 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
CHEM9054 05/06/2020 09/04/2020 EP-H EP FOR ASR WELL 2 CHEM BROMATE 0.0180.005 0.0109/14/2020
CHEM9048 05/06/2020 09/02/2020 EP-C EP FOR ASR WELL 1 CHEM BROMATE 0.0190.005 0.0109/14/2020
CHEM3140 02/22/2006 08/29/2008 DIST-A Distribution System CHEM TOTAL TRIHALOMETHANES (TTHM) 0.08380.08 0.08
CHEM3140 02/22/2006 08/29/2008 EP-H EP FOR ASR WELL 2 CHEM 1,1-DICHLOROETHYLENE 0.00060.0005 0.007
CHEM5629 10/16/2012 12/07/2012 EP-H EP FOR ASR WELL 2 CHEM DI(2-ETHYLHEXYL) - PHTHALATE 0.00170.0006 0.00612/12/2012
CHEM3140 02/22/2006 08/29/2008 EP-H EP FOR ASR WELL 2 CHEM XYLENES 0.00080.0005 10
COLI11195 11/19/2012 11/21/2012 DIST-A 17070 sw riverdell #4 COLI COLIFORM, E. COLI Present Present Present11/21/2012
COLI11190 11/19/2012 11/20/2012 DIST-A 17084 sw riverdell COLI COLIFORM, E. COLI Present Present Present11/20/2012
COLI17255 10/02/2017 10/04/2017 DIST-A 12200 SW Walnut St. COLI COLIFORM, TOTAL (TCR) Present Present Present10/03/2017
COLI17218 09/25/2017 09/26/2017 DIST-A 16408 SW Titan Ln. COLI COLIFORM, TOTAL (TCR) Present Present Present09/26/2017
COLI13922 02/10/2015 02/12/2015 DIST-A 13070 sw roshak rd COLI COLIFORM, TOTAL (TCR) Present Present Present02/12/2015
COLI13435 10/10/2014 10/14/2014 DIST-A 12920 sw pine view COLI COLIFORM, TOTAL (TCR) Present Present Present10/13/2014
COLI13435 10/10/2014 10/14/2014 DIST-A 12898 sw pine view COLI COLIFORM, TOTAL (TCR) Present Present Present10/13/2014
COLI13421 10/09/2014 10/10/2014 DIST-A 12898 sw pineview COLI COLIFORM, TOTAL (TCR) Present Present Present10/10/2014
COLI13416 10/08/2014 10/09/2014 DIST-A 12797 sw da vinci ln COLI COLIFORM, TOTAL (TCR) Present Present Present10/09/2014
COLI11195 11/19/2012 11/21/2012 DIST-A 17070 sw riverdell #4 COLI COLIFORM, TOTAL (TCR) Present Present Present11/21/2012
COLI11190 11/19/2012 11/20/2012 DIST-A 13500 sw 121st ave COLI COLIFORM, TOTAL (TCR) Present Present Present11/20/2012
COLI11190 11/19/2012 11/20/2012 DIST-A 17084 sw riverdell COLI COLIFORM, TOTAL (TCR) Present Present Present11/20/2012
COLI10605 06/25/2012 06/26/2012 DIST-A #39 COLI COLIFORM, TOTAL (TCR) Present Present Present06/27/2012
COLI9511 08/16/2011 08/17/2011 DIST-A 7110 sw fir loop COLI COLIFORM, TOTAL (TCR) Present Present Present08/17/2011
COLI9396 07/18/2011 07/19/2011 DIST-A 13789 sw rosy ct #47 COLI COLIFORM, TOTAL (TCR) Present Present Present07/20/2011
COLI8928 01/24/2011 01/25/2011 DIST-A 14636 sw chardonnay #45 COLI COLIFORM, TOTAL (TCR) Present Present Present01/25/2011
COLI8192 09/08/2010 09/09/2010 SRC-DA well 2 SOURCE* COLIFORM, TOTAL (TCR) Present Present Present
COLI8184 09/07/2010 09/08/2010 SRC-DA SRC-DA WELL 2 SOURCE* COLIFORM, TOTAL (TCR) Present Present Present
COLI7027 10/26/2009 11/03/2009 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present11/04/2009
COLI3815 12/05/2006 12/06/2006 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI2062 05/09/2005 06/07/2005 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI2062 05/09/2005 06/07/2005 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI1642 10/11/2004 11/08/2004 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present
CHEM6177 11/18/2013 01/15/2014 LCR LEAD 90TH % VALUE 0.01590.0155 01/15/2014
CHEM2381 11/02/2006 03/16/2007 LCR LEAD 90TH % VALUE 0.0170.0155
CHEM1588 09/14/2000 05/11/2005 LCR LEAD 90TH % VALUE 0.0220.0155
CHEM1588 11/09/2001 05/11/2005 LCR LEAD 90TH % VALUE 0.020.0155
CHEM1313 05/10/2001 03/21/2005 LCR LEAD 90TH % VALUE 0.0170.0155
CHEM1313 06/12/1993 03/21/2005 LCR LEAD 90TH % VALUE 0.0170.0155
CHEM1313 08/27/1993 03/21/2005 LCR LEAD 90TH % VALUE 0.0210.0155
CHEM1313 11/05/1998 03/21/2005 LCR LEAD 90TH % VALUE 0.0190.0155
CHEM1313 05/12/1999 03/21/2005 LCR LEAD 90TH % VALUE 0.0210.0155
CHEM293 01/21/2003 01/23/2003 LCR LEAD 90TH % VALUE 0.0170.0155
CHEM1628 12/09/2002 06/03/2005 DIST-A Distribution System CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.0610.06 0.06
CHEM1628 12/09/2002 06/03/2005 DIST-A Distribution System CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.0650.06 0.06
CHEM1628 12/09/2002 06/03/2005 DIST-A Distribution System CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.0640.06 0.06
CHEM1141 11/08/2004 01/28/2005 DIST-A Distribution System CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.04630.06 0.06
CHEM1141 11/08/2004 01/28/2005 DIST-A Distribution System CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.04750.06 0.06
CHEM1141 11/08/2004 01/28/2005 DIST-A Distribution System CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.04910.06 0.06
CHEM1141 11/08/2004 01/28/2005 DIST-A Distribution System CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.04670.06 0.06
CHEM1628 03/03/2003 06/03/2005 DIST-A Distribution System CHEM TOTAL TRIHALOMETHANES (TTHM) 0.2820.08 0.08
*Non-alert (water quality notice)


Archived Alerts (SWS database)
Date Source Chemical Results mg/l MCL mg/l
11/25/2002Coliform
09/26/2000Coliform
10/22/1999Coliform
08/31/1998Coliform
03/31/1994Coliform



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 :: Annual Fee
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: 4076