OHA Drinking Water Services
PWS ID: 00954 ---- WILSONVILLE, 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, SPECIAL = Coliform special sample*, SODIUM = Sodium*
*Non-alert (water quality notice)
Results:  24 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
CHEM9464 07/27/2021 09/21/2021 EP-H EP FOR WILLAMETTE RIVER CHEM DI(2-ETHYLHEXYL) - PHTHALATE 0.000960.0006 0.006
COLI19937 06/16/2020 06/17/2020 DIST-A 8063 Fairway Dr COLI COLIFORM, TOTAL (TCR) Present Present Present06/18/2020
COLI19629 12/22/2019 12/24/2019 DIST-A finished COLI COLIFORM, E. COLI Present Present Present12/24/2019
COLI19629 12/22/2019 12/24/2019 DIST-A finished COLI COLIFORM, TOTAL (TCR) Present Present Present12/24/2019
COLI17468 11/21/2017 11/22/2017 DIST-A 29832 Camelot St COLI COLIFORM, TOTAL (TCR) Present Present Present11/22/2017
CHEM6799 04/08/2015 07/22/2015 EP-H EP FOR WILLAMETTE RIVER CHEM DI(2-ETHYLHEXYL) - PHTHALATE 0.00110.0006 0.00607/23/2015
COLI12298 10/10/2013 10/11/2013 DIST-A 9935 commerce circle COLI COLIFORM, TOTAL (TCR) Present Present Present10/10/2013
COLI8664 11/18/2010 11/19/2010 DIST-A 7070 ARBOR LAKE DR COLI COLIFORM, TOTAL (TCR) Present Present Present
COLI6633 07/29/2009 08/17/2009 DIST-A Distribution System SPECIAL* COLIFORM, TOTAL (TCR) Present Present Present
COLI6418 06/09/2009 07/08/2009 DIST-A Distribution System COLI COLIFORM, TOTAL (TCR) Present Present Present07/17/2009
CHEM3556 04/08/2009 06/25/2009 EP-H EP FOR WILLAMETTE RIVER CHEM BENZO (A) PYRENE 0.0000330.00002 0.0002
CHEM2144 07/12/2006 08/28/2006 EP-B EP FOR WEIDMAN WELL CHEM 1,1-DICHLOROETHYLENE 0.00110.0005 0.007
CHEM2144 04/19/2006 08/28/2006 EP-H EP FOR WILLAMETTE RIVER CHEM BROMODICHLOROMETHANE 0.001740
CHEM2144 04/19/2006 08/28/2006 EP-H EP FOR WILLAMETTE RIVER CHEM CHLOROFORM 0.003680
CHEM2081 02/08/2006 06/23/2006 EP-B EP FOR WEIDMAN WELL CHEM 1,1-DICHLOROETHYLENE 0.00090.0005 0.007
CHEM1921 11/07/2005 02/10/2006 EP-F EP FOR CANYON CREEK CHEM BARIUM 112.5 2
CHEM1921 11/07/2005 02/10/2006 EP-C EP FOR CHARBONNEAU WELLS SODIUM* SODIUM 33.120
CHEM1165 02/01/2005 03/17/2005 DIST-A Distribution System CHEM TOTAL HALOACETIC ACIDS (HAA5) 0.0860.06 0.06
CHEM1117 10/20/2004 01/20/2005 EP-H EP FOR WILLAMETTE RIVER CHEM HEXACHLOROBENZENE 0.0001270.0001 0.001
CHEM114 06/25/2002 10/02/2002 EP-D EP FOR GESELLSHAFT WELL CHEM DI(2-ETHYLHEXYL) - PHTHALATE 0.09590.0006 0.006
CHEM114 06/25/2002 10/02/2002 EP-F EP FOR CANYON CREEK CHEM TOLUENE 0.0010.0005 1
CHEM114 06/25/2002 10/02/2002 EP-A EP FOR ELLIGSEN (STAFFORD) WELL SODIUM* SODIUM 24.5820
CHEM114 06/25/2002 10/02/2002 EP-C EP FOR CHARBONNEAU WELLS SODIUM* SODIUM 34.120
CHEM114 06/25/2002 10/02/2002 EP-D EP FOR GESELLSHAFT WELL SODIUM* SODIUM 21.2520
*Non-alert (water quality notice)


Archived Alerts (SWS database)
Date Source Chemical Results mg/l MCL mg/l
07/10/2001Coliform
12/11/2000Coliform
10/27/1995Coliform
03/17/1995Coliform
02/28/1995Coliform
02/24/1995Coliform
02/23/1995Coliform
01/17/1995Coliform
06/14/1994Coliform
05/12/1994Coliform
05/09/1994Coliform
05/06/1994Coliform
03/14/1994Coliform
03/09/1994Coliform
03/07/1994Coliform
07/06/1993Coliform
10/02/2000A--EP FOR ELLIGSEN (STAFFORD) WELLGross Alpha, Excl. Radon & U7.86 15
06/28/1999A--EP FOR ELLIGSEN (STAFFORD) WELLSodium28.5
06/28/1999C--EP FOR CHARBONNEAU WELLSSodium37.3
06/28/1999E--EP FOR NIKE WELLSodium22
06/28/1999F--EP FOR CANYON CREEKSodium24.9
04/15/1996A--EP FOR ELLIGSEN (STAFFORD) WELLSodium31
04/15/1996C--EP FOR CHARBONNEAU WELLSSodium34
04/01/1993EA--NIKE WELLSodium21
10/23/1992AA--ELLIGSEN WELL (STAFFORD)Sodium20.1
10/23/1992CA--CHARBONNEAU WELL #1Sodium31.4
10/23/1992CB--CHARBONNEAU WELL #2Sodium28.3


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
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