OHA Drinking Water Services
OR41
PWS ID: 93711 ---- CORVALLIS WALDORF ASSOCIATION
Coliform Results

See also:  Coliform Fact Sheet  ::  Coliform Schedules  ::  Archived Results  ::  MRDL Summary  ::  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  ::  Hide rejected samples  ::  Exclude results older than 2022

Sample
Date
#
Samples
Sample
Type
Coliform
Type
Result Sample
ID
Repeat of
Sample ID
Sample
Site
Facility Chlorine
Residual
Received
Date
Rejected
Reason
Sep 08, 2025 1AS Total Absent 2509273_002A WELL1 - BENT50027 SRC-AA Sep 09, 2025
Sep 08, 2025 1RT Total Absent 2509273_001A RM 8 SINK DIST-A 0.13Sep 09, 2025
May 16, 2025 1RT Total Absent 2505617_001A ROOM NO8 SINK DIST-A 0.33May 19, 2025
Feb 21, 2025 1RT Total Absent 2502710_001A CUSTODIAL ROOM HAND SINK DIST-A 0.36Feb 24, 2025
Nov 15, 2024 1RT Total Absent 2411533_001A CUSTODIAL CLOSET HAND SINK DIST-A 0.59Nov 19, 2024
Sep 13, 2024 1RT Total Absent 2409539_001A ROOM 3 SINK DIST-A Sep 16, 2024
Jul 22, 2024 1AS Total Absent 2407809_001A WELL 1 - BENT50027 SRC-AA Jul 24, 2024
May 17, 2024 1RT Total Absent 2405791_001A ROOM 8 SINK DIST-A 0.72May 20, 2024
Feb 23, 2024 1RT Total Absent 2402825_001A CUSTODIAL ROOM SINK DIST-A 0.62Feb 26, 2024
Aug 08, 2023 1RT Total Absent 2346788 ROOM 8 DIST-A 0.63Aug 11, 2023
Apr 06, 2023 1AS Total Absent 2319203 WELL SRC-AA Apr 10, 2023
Apr 06, 2023 1RT Total Absent 2319202 ROOM 3 DIST-A 0.46Apr 10, 2023
Jan 31, 2023 1RT Total Absent 2305593 CUST RM DIST-A 0.50Feb 02, 2023
Nov 07, 2022 1RT Total Absent 2272060 ROOM 3 DIST-A 0.40Nov 08, 2022
Sep 20, 2022 1RT Total Absent 2260921 ROOM 8 DIST-A 0.68Sep 22, 2022
May 09, 2022 1AS Total Absent 2229739 SOURCE SRC-AA May 13, 2022
May 09, 2022 1RT Total Absent 2229738 ROOM 3 DIST-A 0.78May 13, 2022
Feb 15, 2022 1RT Total Absent 2210243 CUSTODIAL DIST-A 0.60Feb 17, 2022
Nov 17, 2021 1RT Total Absent 2184607 ROOM 3 DIST-A 0.55Nov 19, 2021
Sep 22, 2021 1RT Total Absent 2169720 ROOM 8 DIST-A 0.70Sep 27, 2021
Sample
Date
#
Samples
Sample
Type
Coliform
Type
Result Sample
ID
Repeat of
Sample ID
Sample
Site
Facility Chlorine
Residual
Received
Date
Rejected
Reason
Jun 02, 2021 1AS Total Absent 2137374 WELL HEAD SRC-AA Jun 07, 2021
Jun 02, 2021 1RT Total Absent 2137373 CUST 3 DIST-A 0.85Jun 07, 2021
Feb 08, 2021 1RT Total Absent 2108695 CUSTODIAN DIST-A 0.69Feb 16, 2021
Nov 09, 2020 1RT Total Absent 2075468 ROOM 8 DIST-A 0.55Nov 13, 2020
Sep 01, 2020 1RT Total Absent 2057341 CUSTODIAN DIST-A 0.85Sep 10, 2020
Jun 02, 2020 1AS Total Absent 2033296 WELL HEAD SRC-AA Jun 04, 2020
Jun 02, 2020 1RT Total Absent 2033295 ROOM 3 DIST-A 0.70Jun 04, 2020
Mar 02, 2020 1RT Total Absent 2014545 CUSTODIAL SINK DIST-A 0.66Mar 06, 2020
Nov 04, 2019 1RT Total Absent 1981305 ROOM 8 DIST-A 0.57Nov 11, 2019
Aug 22, 2019 1RT Total Absent 1961902 CUST 3 DIST-A 0.61Aug 26, 2019
Jun 04, 2019 1AS Total Absent 1939255 WELL HEAD SRC-AA Jun 06, 2019
Jun 04, 2019 1RT Total Absent 1939254 ROOM 3 DIST-A 0.67Jun 06, 2019
Feb 26, 2019 1RT Total Absent 1913410 CUSTODIAL SINK DIST-A 0.56Feb 28, 2019
Dec 07, 2018 1RT Total Absent 1892961 ROOM 8 DIST-A 0.65Dec 12, 2018
Sep 06, 2018 1RT Total Absent 1867497 CUSTODIAL SINK DIST-A 0.83Sep 14, 2018
Jun 04, 2018 1AS Total Absent 1839852 WELL SRC-AA Jun 07, 2018
Jun 04, 2018 1RT Total Absent 1839851 ROOM 3 DIST-A 0.52Jun 07, 2018
Mar 07, 2018 1RT Total Absent 1816030 ROOM 3 SINK DIST-A 0.71Mar 09, 2018
Dec 01, 2017 1RT Total Absent 1775585 ROOM 8 DIST-A 0.54Dec 06, 2017
Sep 12, 2017 1RT Total Absent 1753571 CUSTODIAL SINK DIST-A 0.68Sep 20, 2017
Sample
Date
#
Samples
Sample
Type
Coliform
Type
Result Sample
ID
Repeat of
Sample ID
Sample
Site
Facility Chlorine
Residual
Received
Date
Rejected
Reason
Jun 02, 2017 1AS Total Absent 1729389 WELL SRC-AA Jun 09, 2017
Jun 02, 2017 1RT Total Absent 1729388 ROOM 3 DIST-A 0.72Jun 09, 2017
Mar 06, 2017 1RT Total Absent 1711206 ROOM 3 DIST-A 0.53Mar 08, 2017
Nov 28, 2016 1RT Total Absent 1671361 ROOM 8 DIST-A 0.70Dec 02, 2016
Sep 19, 2016 1RT Total Absent 1609859_001A CUSTODIAN CLOSET SINK DIST-A 0.42Sep 22, 2016
Jun 03, 2016 1AS Total Absent 1606231_002A WELL #1 - BENT50027 SRC-AA Jun 06, 2016
Jun 03, 2016 1RT Total Absent 1606231_001A ROOM 3 SINK DIST-A 0.67Jun 06, 2016
Mar 14, 2016 1RT Total Absent 1603581_001A CUSTODIAN CLOSET SINK DIST-A 0.59Mar 18, 2016
Dec 11, 2015 1RT Total Absent 1512605_001A ROOM 3 SINK DIST-A 0.62Dec 17, 2015
Sep 25, 2015 1RT Total Absent 1509A38_001A CUSTODIAN ROOM SINK DIST-A 0.14Sep 28, 2015
Jun 08, 2015 1AS Total Absent 1506342_002A WELL #1 - BENT50027 SRC-AA Jun 12, 2015
Jun 08, 2015 1RT Total Absent 1506342_001A ROOM 8 SINK DIST-A 0.38Jun 12, 2015
Mar 13, 2015 1RT Total Absent 1503552_001A NO DATA DIST-A 0.57Mar 17, 2015
Dec 12, 2014 1RT Total Absent 1412746001 DIST-A 0.72Dec 22, 2014
Sep 12, 2014 1RT Total Absent 1409594002 DIST-A 0.21Sep 15, 2014
Sep 12, 2014 1AS Total Absent 1409594001 WELL #1 SRC-AA Sep 15, 2014
Jun 02, 2014 1RT Total Absent 140601601 DIST-A 0.27Jun 10, 2014
Mar 10, 2014 1RT Total Absent 140319901 DIST-A 0.22Mar 20, 2014
Dec 16, 2013 1AS Total Absent 131236102 WELL #1 SRC-AA Dec 31, 2013
Dec 16, 2013 1RT Total Absent 131236101 DIST-A 0.02Dec 31, 2013
Sample
Date
#
Samples
Sample
Type
Coliform
Type
Result Sample
ID
Repeat of
Sample ID
Sample
Site
Facility Chlorine
Residual
Received
Date
Rejected
Reason
Sep 30, 2013 1RT Total Absent 130980601 DIST-A 0.17Oct 09, 2013
Jun 13, 2013 1RT Total Absent 130640901 DIST-A 0.50Jun 19, 2013
Mar 15, 2013 1RT Total Absent 130335501 DIST-A 0.40Mar 20, 2013
Dec 14, 2012 1RT Total Absent 121240701 DIST-A 0.40Dec 19, 2012
Sep 14, 2012 1RT Total Absent 120935401 DIST-A 0.02Sep 19, 2012
Jun 08, 2012 1RT Total Absent 120622601 DIST-A 0.30Jun 13, 2012
Apr 13, 2012 1AS Total Absent 120439801 well #1 SRC-AA Apr 18, 2012
Mar 09, 2012 1RT Total Absent 120324802 DIST-A 0.40Mar 14, 2012
Mar 09, 2012 1AS Total Absent 120324801 WELL 1 SRC-AA Mar 14, 2012
Feb 10, 2012 1AS Total Absent 120229701 WELL 1 SRC-AA Feb 15, 2012
Jan 13, 2012 1AS Total Absent 120131901 well #1 SRC-AA Jan 18, 2012
Dec 09, 2011 1AS Total Absent 111223802 well 1 SRC-AA Dec 14, 2011
Dec 09, 2011 1RT Total Absent 111223801 DIST-A 0.30Dec 14, 2011
Nov 18, 2011 1AS Total Absent 111147601 well #1 SRC-AA Nov 23, 2011
Oct 14, 2011 1AS Total Absent 111036101 well #1 SRC-AA Oct 20, 2011
Sep 16, 2011 1RT Total Absent 110944202 DIST-A 0.30Sep 22, 2011
Sep 16, 2011 1AS Total Absent 110944201 well #1 SRC-AA Sep 22, 2011
Jun 10, 2011 1AS Total Absent 110631301 well #1 SRC-AA Jun 15, 2011
May 27, 2011 1RT Total Absent 110561302 DIST-A 0.40Jun 01, 2011
May 27, 2011 1AS Total Absent 110561301 well #1 SRC-AA Jun 01, 2011
Sample
Date
#
Samples
Sample
Type
Coliform
Type
Result Sample
ID
Repeat of
Sample ID
Sample
Site
Facility Chlorine
Residual
Received
Date
Rejected
Reason
Feb 11, 2011 1RT Total Absent 110229201 DIST-A 0.40Feb 16, 2011
Nov 19, 2010 1RT Total Absent 71501 DIST-A 0.30Nov 24, 2010
Sep 17, 2010 1RT Total Absent 68799 DIST-A 0.30Sep 23, 2010
Sep 17, 2010 1AS Total Absent 68798 well 1 SRC-AA Sep 23, 2010
May 14, 2010 1RT Total Absent 63548 DIST-A 0.30May 19, 2010
Feb 19, 2010 1RT Total Absent 60126 DIST-A 0.40Feb 24, 2010
Nov 13, 2009 1RT Total Absent 56293 DIST-A 0.30Nov 18, 2009
Sep 18, 2009 1RT Total Absent 53918 DIST-A 0.40Sep 23, 2009
May 15, 2009 1RT Total Absent 48650 DIST-A 0.40May 20, 2009
Feb 20, 2009 1RT Total Absent 45366 DIST-A 0.50Feb 25, 2009
Dec 12, 2008 1RT Total Absent 42940 DIST-A 0.30Dec 17, 2008
Sep 12, 2008 1RT Total Absent 39181 DIST-A 0.40Sep 18, 2008
May 09, 2008 1RT Total Absent 33976 DIST-A 0.04May 15, 2008
Feb 15, 2008 1RT Total Absent 30704 DIST-A 0.03Feb 20, 2008
Nov 16, 2007 1RT Total Absent 27750 DIST-A 0.30Nov 21, 2007
Sep 21, 2007 1RT Total Absent 25741 DIST-A 0.20Oct 01, 2007
May 25, 2007 1RT Total Absent 21365 DIST-A 0.20Jun 06, 2007
Feb 02, 2007 1RT Total Absent 17050 DIST-A 0.02Feb 07, 2007
Nov 03, 2006 1RT Total Absent 13908 DIST-A 0.03Nov 10, 2006
Aug 18, 2006 1RT Total Absent 10870 DIST-A 0.02Aug 29, 2006
Sample
Date
#
Samples
Sample
Type
Coliform
Type
Result Sample
ID
Repeat of
Sample ID
Sample
Site
Facility Chlorine
Residual
Received
Date
Rejected
Reason
May 19, 2006 1RT Total Absent 97224 DIST-A 0.03May 30, 2006
Feb 10, 2006 1RT Total Absent 93831 DIST-A 0.04Feb 22, 2006
Nov 18, 2005 1RT Total Absent 91231 DIST-A 0.30Nov 28, 2005
Aug 26, 2005 1RT Total Absent 88286 DIST-A 0.05Sep 07, 2005
May 27, 2005 1RT Total Absent 84776 DIST-A 0.03Jun 06, 2005
Feb 18, 2005 1RT Total Absent 81440 DIST-A 0.30Mar 01, 2005
Nov 19, 2004 1RT Total Absent 78542 DIST-A 0.03Nov 29, 2004
Aug 24, 2004 1RT Total Absent 75372 DIST-A 0.04Aug 30, 2004
Jun 11, 2004 1RT Total Absent 72695 DIST-A Jun 21, 2004
Mar 16, 2004 1RT Total Absent 69516 DIST-A Mar 22, 2004
Dec 19, 2003 1RT Total Absent 66594 DIST-A Jan 02, 2004
Sep 19, 2003 1RT Total Absent 63305 DIST-A Sep 29, 2003
May 16, 2003 1RT Total Absent 58371 DIST-A May 27, 2003
Feb 14, 2003 1RT Total Absent 55109 DIST-A Feb 24, 2003
Nov 26, 2002 1RT Total Absent 52085 DIST-A Dec 09, 2002
Sep 13, 2002 1RT Total Absent 49200 DIST-A Sep 23, 2002
Jun 07, 2002 1RT Total Absent 93712 93712 DIST-A Jun 17, 2002
Feb 12, 2002 1RT Total Absent 39950 DIST-A Feb 19, 2002



See also:  Coliform Fact Sheet  ::  Coliform Schedules  ::  Archived Results  ::  MRDL Summary  ::  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  ::  Hide rejected samples  ::  Exclude results older than 2022



More information for this water system: SDWIS ID 1417
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