OHA Drinking Water Services
OR41
PWS ID: 94063 ---- WEST LINN/WILSONVILLE
Coliform Results

See also:  Coliform Fact Sheet  ::  Archived Results (prior to 2002)  ::  Recent Batch Numbers

Sample types:  AS=Assessment, CO=Confirmation, MU=Make-up, RP=Repeat, RT=Routine, SP=Special, TG=Triggered. See the glossary for more information.

Filter options:  Show special samples  ::  Exclude results older than 2021

Sample
Date		 #
Samples		 Sample
Type		 Coliform
Type		 Result Sample
ID		 Repeat of
Sample ID		 Sample
Site		 Facility Chlorine
Residual		 Received
Date
Feb 22, 2024 1RT Total Absent 24-09574 DIST-A 0.29Feb 29, 2024
Oct 20, 2023 1RT Total Absent 23-64663 DIST-A Oct 26, 2023
Oct 20, 2023 1AS Total Absent 23-64659 WELL HEAD SRC-AA Oct 26, 2023
Sep 08, 2023 1RT Total Absent 23-54502 DIST-A Sep 11, 2023
May 25, 2023 1RT Total Absent 23-30673 DIST-A 0.10Jun 02, 2023
Mar 14, 2023 1RT Total Absent 23-14134 DIST-A Mar 15, 2023
Aug 24, 2022 1RT Total Absent 22_010127_0001 BOARDROOM HAND SINK DIST-A Sep 01, 2022
Jun 17, 2022 1RT Total Absent 22_007148_0001 BREAKROOM SINK DIST-A Jun 28, 2022
Mar 16, 2022 1RT Total Absent 22_003020_0001 SINK DIST-A Mar 25, 2022
Nov 29, 2021 1RT Total Absent 21_013926_0001 BOARDROOM SINK DIST-A Dec 03, 2021
Sep 22, 2021 1RT Total Absent 21_011153_0001 LUNCHROOM SINK DIST-A Sep 30, 2021
Sep 22, 2021 1AS Total Absent 21_011151_0001 WELL SRC-AA Sep 30, 2021
Jun 23, 2021 1RT Total Absent 21_007058_0001 BOARDROOM SINK DIST-A Jun 28, 2021
Mar 22, 2021 1RT Total Absent 21_003042_0001 BOARDROOM SINK DIST-A Mar 30, 2021
Dec 23, 2020 1RT Total Absent 20_014154_0001 BOARDROOM SINK DIST-A Jan 08, 2021
Dec 23, 2020 1AS Total Absent 20_014152_0001 WELL SRC-AA Jan 08, 2021
Sep 23, 2020 1RT Total Absent 20_010250_0001 BOARD ROOM SINK DIST-A Oct 08, 2020
Jun 15, 2020 1RT Total Absent 20_006128_0001 BOARDROOM SINK DIST-A Jun 25, 2020
Mar 16, 2020 1RT Total Absent 20_002992_0001 HALLWAY SINK DIST-A Apr 09, 2020
Dec 26, 2019 1RT Total Absent 19_015753_0001 HOSE BIB DIST-A Jan 02, 2020
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Oct 31, 2019 1AS Total Absent 19_013318_0001 WELL SRC-AA Nov 07, 2019
Sep 11, 2019 1RT Total Absent 19_010988_0001 BOARD ROOM SINK DIST-A Sep 18, 2019
Jun 12, 2019 1RT Total Absent 19_006771_0001 BOARD ROOM SINK DIST-A Jun 14, 2019
Mar 25, 2019 1RT Total Absent 19_003182_0001 BOARD ROOM SINK DIST-A Apr 03, 2019
Nov 28, 2018 1RT Total Absent 18_010928_0001 BOARDROOM SINK DIST-A Dec 05, 2018
Nov 28, 2018 1AS Total Absent 18_010924_0001 PRESSURE TANK SRC-AA Dec 05, 2018
Aug 22, 2018 1RT Total Absent 18_006846_0001 BOARDROOM FAUCET DIST-A Aug 24, 2018
Jun 14, 2018 1RT Total Absent 18_004269_0001 BOARD ROOM SINK DIST-A Jun 21, 2018
Mar 14, 2018 1RT Total Absent 18_001306_0001 BOARDROOM SINK DIST-A Mar 20, 2018
Nov 09, 2017 1AS Total Absent 711094301 WELL SRC-AA Nov 21, 2017
Nov 09, 2017 1RT Total Absent 711093601 DIST-A Nov 21, 2017
Sep 21, 2017 1RT Total Absent 709220401 BOARD ROOM SINK DIST-A Sep 29, 2017
May 31, 2017 1RT Total Absent 705312501 BOARD ROOM SINK DIST-A Jun 06, 2017
Mar 08, 2017 1RT Total Absent 703083701 BOARD ROOM SINK DIST-A Mar 17, 2017
Nov 30, 2016 1AS Total Absent 611303701 WELL SRC-AA Dec 08, 2016
Nov 30, 2016 1RT Total Absent 611303601 BOARD ROOM SINK DIST-A Dec 08, 2016
Sep 14, 2016 1RT Total Absent 609145001 BOARD ROOM SINK DIST-A Sep 21, 2016
Jun 27, 2016 1RT Total Absent 606281601 BOARD ROOM SINK DIST-A Jul 01, 2016
Mar 30, 2016 1RT Total Absent 603310201 OUTSIDE HOSE BIB DIST-A Apr 01, 2016
Dec 21, 2015 1AS Total Absent 512220501 WELL SRC-AA Dec 24, 2015
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Nov 11, 2015 1RT Total Absent 511114701 BOARD ROOM SINK DIST-A Nov 16, 2015
Sep 24, 2015 1RT Total Absent 509250201 BOARDROOM SINK DIST-A Sep 29, 2015
Jun 04, 2015 1RT Total Absent 506050301 BOARD ROOM SINK DIST-A Jun 09, 2015
Mar 12, 2015 1RT Total Absent 503130201 FRONT HOSE BIB DIST-A Mar 16, 2015
Nov 24, 2014 1RT Total Absent 411250401 BOARD ROOM SINK DIST-A Dec 01, 2014
Sep 29, 2014 1RT Total Absent 409292201 BOARD ROOM SINK DIST-A Oct 02, 2014
Jun 12, 2014 1RT Total Absent 406131401 BOARDROOM SINK DIST-A Jun 18, 2014
Mar 13, 2014 1RT Total Absent 403134401 BOARD ROOM SINK DIST-A Mar 17, 2014
Nov 18, 2013 1RT Total Absent 311183601 BOARD ROOM SINK DIST-A Nov 20, 2013
Sep 26, 2013 1RT Total Absent 309262001 FRONT HOSE BIB DIST-A Sep 30, 2013
Jun 27, 2013 1RT Total Absent 306273101 BOARDROOM SINK DIST-A Jul 02, 2013
Mar 06, 2013 1RT Total Absent 303064201 BOARDROOM SINK DIST-A Mar 08, 2013
Dec 27, 2012 1RT Total Absent 212273701 BOARDROOM SINK DIST-A Jan 03, 2013
Sep 21, 2012 1RT Total Absent 209213001 Boardroom Sink DIST-A Sep 24, 2012
Jun 13, 2012 1RT Total Absent 206132801 Front Hose Bib DIST-A Jun 18, 2012
Mar 23, 2012 1AS Total Absent 203231501 Well Head Hose Bib SRC-AA Apr 02, 2012
Mar 23, 2012 1RT Total Absent 203231401 Front Hose Bib DIST-A Apr 02, 2012
Nov 28, 2011 1RT Total Absent 111281801 Front Hose Bib DIST-A Dec 01, 2011
Sep 29, 2011 1RT Total Absent 109291701 Hose Bib DIST-A Oct 04, 2011
Jun 22, 2011 1RT Total Absent 106230701 Kitchen Sink DIST-A Jun 27, 2011
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Jan 31, 2011 1RT Total Absent 101311601 Office Sink DIST-A Feb 04, 2011
Nov 08, 2010 1RT Total Absent 11083101 Kitchen Sink By Rest DIST-A Nov 11, 2010
Jul 29, 2010 1RT Total Absent 7294705 Hose Bib DIST-A Aug 03, 2010
Jul 29, 2010 1RT Total Absent 7294704 Board Room Restroom DIST-A Aug 03, 2010
Jul 29, 2010 1RT Total Absent 7294703 Mens Restroom DIST-A Aug 03, 2010
Jul 29, 2010 1RT Total Absent 7294702 Womens Restroom DIST-A Aug 03, 2010
Jul 29, 2010 1RT Total Absent 7294701 Board Room Sink DIST-A Aug 03, 2010
Jun 02, 2010 1RP Total Absent 602424 528031 same/os hose bib DIST-A Jun 04, 2010
Jun 02, 2010 1RP Total Absent 602423 528031 same/dwnstrs womens DIST-A Jun 04, 2010
Jun 02, 2010 1RP Total Absent 602422 528031 same/dwnstrs mens bt DIST-A Jun 04, 2010
Jun 02, 2010 1RP Total Absent 602421 528031 22210 sw stafford bo DIST-A Jun 04, 2010
May 27, 2010 1RT Total POSITIVE 528031 22210 Stafford Brd R DIST-A Jun 01, 2010
RT E. coli Absent 528031 22210 Stafford Brd R DIST-A
Mar 08, 2010 1RT Total Absent 3082701 Bathroom Sink DIST-A Mar 15, 2010
Dec 09, 2009 1RT Total Absent 91210035 DIST-A Dec 23, 2009
Dec 09, 2009 1RT Total Absent 91210034 DIST-A Dec 23, 2009
Dec 09, 2009 1RT Total Absent 91210033 DIST-A Dec 23, 2009
Dec 09, 2009 1RT Total Absent 91210032 DIST-A Dec 23, 2009
Dec 09, 2009 1RT Total Absent 91210031 DIST-A Dec 23, 2009
Oct 02, 2009 1RP Total Absent 91002264 90930031 well head DIST-A Oct 12, 2009
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Oct 02, 2009 1RP Total Absent 91002263 90930031 womens bathroom DIST-A Oct 12, 2009
Oct 02, 2009 1RP Total Absent 91002262 90930031 admin south kit sink DIST-A Oct 12, 2009
Oct 02, 2009 1RP Total Absent 91002261 90930031 hose bib DIST-A Oct 12, 2009
Sep 29, 2009 1RT Total POSITIVE 90930031 22210 sw stafford hb DIST-A Sep 30, 2009
RT E. coli Absent 90930031 22210 sw stafford hb DIST-A
Jun 30, 2009 1RT Total Absent 90701021 DIST-A 0.39Jul 06, 2009
Mar 30, 2009 1RT Total Absent A90330S1 WOMENS BATHROOM SINK DIST-A 0.02Apr 08, 2009
Dec 11, 2008 1RT Total Absent A81211AY1 LUNCH ROOM SINK DIST-A 0.07Jan 08, 2009
Sep 25, 2008 1RT Total Absent A80925Q1 RESTROOM SINK DIST-A Oct 08, 2008
Feb 21, 2008 1RT Total Absent A80222B1 RESTROOM SINK DIST-A Mar 03, 2008
Nov 15, 2007 1RT Total Absent A71115AK1 BATHROOM SINK DIST-A Dec 05, 2007
Aug 16, 2007 1RT Total Absent A70816BG1 BATHROOM SINK DIST-A Sep 07, 2007
May 17, 2007 1RT Total Absent A70517BT1 GIRLS BATHROOM SINK DIST-A Jun 06, 2007
Feb 15, 2007 1RT Total Absent A70215AQ1 BATH SINK DIST-A Mar 06, 2007
Oct 19, 2006 1RT Total Absent A61019Y1 RESTROOM SINK DIST-A Nov 07, 2006
Jul 20, 2006 1RT Total Absent A60720AG1 MENS RESTROOM SINK DIST-A Jul 24, 2006
Apr 20, 2006 1RT Total Absent A60420AM1 MENS RESTROOM SINK DIST-A May 04, 2006
Jan 19, 2006 1RT Total Absent A60119AQ1 RESTROOM DIST-A Feb 06, 2006
Oct 13, 2005 1RT Total Absent A51014E1 MENS RESTROOM SINK DIST-A Nov 08, 2005
Jul 21, 2005 1RT Total Absent A50722F1 RESTROOM SINK DIST-A Aug 02, 2005
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Apr 14, 2005 1RT Total Absent A50414AT1 RESTROOM SINK DIST-A Apr 20, 2005
Jan 13, 2005 1RT Total Absent A50114K1 RESTROOM SINK DIST-A Jan 24, 2005
Oct 14, 2004 1RT Total Absent A41015L1 RESTROOM SINK DIST-A Oct 22, 2004
Jul 08, 2004 1RT Total Absent A40709I-1 RESTROOM SINK DIST-A Jul 21, 2004
Apr 08, 2004 1RT Total Absent A40409B1 RESTROOM SINK DIST-A Apr 14, 2004
Jan 15, 2004 1RT Total Absent A40116C1 LUNCH ROOM SINK DIST-A Jan 20, 2004
Oct 09, 2003 1RT Total Absent A31009BH1 RESTROOM SINK DIST-A Oct 15, 2003
Jul 17, 2003 1RT Total Absent A30717CF1 MENS RESTROOM SINK DIST-A Jul 21, 2003
Apr 10, 2003 1RT Total Absent A30410BK1 MENS RESTROOM SINK DIST-A May 06, 2003
Jan 16, 2003 1RT Total Absent A30116AO1 MEN S REST ROOM SINK DIST-A Feb 06, 2003
Oct 10, 2002 1RT Total Absent A21010BX1 RESTROOM SINK DIST-A Nov 06, 2002
Jul 11, 2002 1RT Total Absent A20711CC1 Mens Restroom Sink DIST-A
Apr 11, 2002 1RT Total Absent A20411BJ1 Restroom Sink Down S DIST-A
Jan 10, 2002 1RT Total Absent A20110BA1 Mens Restroom Sink DIST-A Feb 08, 2002



See also:  Coliform Fact Sheet  ::  Archived Results (prior to 2002)  ::  Recent Batch Numbers

Sample types:  AS=Assessment, CO=Confirmation, MU=Make-up, RP=Repeat, RT=Routine, SP=Special, TG=Triggered. See the glossary for more information.

Filter options:  Show special samples  ::  Exclude results older than 2021


More information for this water system: SDWIS ID 1557
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