OHA Drinking Water Services
OR41
PWS ID: 95427 ---- OSU EXPERIMENT CENTER
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 2023

Sample
Date
#
Samples
Sample
Type
Coliform
Type
Result Sample
ID
Repeat of
Sample ID
Sample
Site
Facility Chlorine
Residual
Received
Date
Rejected
Reason
Mar 31, 2026 1RT Total Absent 26031264_01A BREAK ROOM SINK DIST-A 0.00Apr 02, 2026
Dec 10, 2025 1RT Total Absent 25120561_01A WELL HOUSE DIST-A 0.03Dec 17, 2025
Jun 24, 2025 1RT Total Absent 25061143_01A BREAK ROOM DIST-A 0.00Jul 10, 2025
May 08, 2025 1RT Total Absent 25050382_01A BREAK ROOM DIST-A 0.00Jun 02, 2025
Jun 21, 2024 1RT Total Absent 24060924_01A LOBBY DRINKING FOUNTAIN DIST-A Jul 01, 2024
Feb 27, 2024 1RT Total Absent 24021047_01A BREAKROOM TAP DIST-A Mar 04, 2024
Dec 12, 2023 1RT Total Absent 23120537_01A BREAK ROOM SINK DIST-A 0.20Dec 15, 2023
Jul 13, 2023 1RT Total Absent 23070505_01A BREAK ROOM DIST-A Jul 21, 2023
Mar 29, 2023 1RT Total Absent 23031289_01A LAB SINK DIST-A Apr 04, 2023
Feb 01, 2023 1RT Total Absent 23020036_01A LAB SINK DIST-A Feb 06, 2023
Sep 15, 2022 1RT Total Absent 22090727_01A SITE #1 KITCHEN SINK DIST-A Sep 26, 2022
Jun 06, 2022 1RT Total Absent 22060217_01A BREAK ROOM SINK DIST-A Jun 28, 2022
Apr 05, 2022 1RT Total Absent 22040191_01A EXP STATION KITCHEN SINK DIST-A Apr 12, 2022
Oct 08, 2021 1RT Total Absent 21100334_01A SITE #1 EXP CTR KITCHEN DIST-A Oct 12, 2021
Jul 16, 2021 1AS Total POSITIVE 2107083401 WELLHEAD SRC-AA Jul 19, 2021
AS E. coli Absent 2107083401 WELLHEAD SRC-AA
Jun 24, 2021 1RT Total Absent 21061328_01A LAB SINK DIST-A 0.40Jun 29, 2021
Feb 17, 2021 1RT Total Absent 21020931_01A EXT CTR KITCHEN SINK DIST-A 0.40Mar 01, 2021
Nov 23, 2020 1RT Total Absent 20111103_01A ROUTINE SITE #1 KITCHEN SINK DIST-A 0.40Dec 03, 2020
Nov 23, 2020 1AS Total Absent 20111097_01A WELLHEAD SRC-AA Dec 03, 2020
Sample
Date
#
Samples
Sample
Type
Coliform
Type
Result Sample
ID
Repeat of
Sample ID
Sample
Site
Facility Chlorine
Residual
Received
Date
Rejected
Reason
Aug 24, 2020 1RT Total Absent 20081003_01A ROUTINE SITE #3 DIST-A 0.40Sep 02, 2020
Jun 10, 2020 1RT Total Absent 20060503_01A ROUTINE SAMPLE POINT #2 DIST-A 0.40Jun 19, 2020
Mar 04, 2020 1RT Total Absent 20030200_01A #1 EXPERIMENT STN KITCHEN SINK DIST-A 0.40Mar 12, 2020
Dec 10, 2019 1AS Total Absent 19120433_01A WELLHEAD SRC-AA Dec 12, 2019
Dec 10, 2019 1RT Total Absent 19120424_01A ROUTINE SITE #3 DIST-A 0.40Dec 12, 2019
Sep 10, 2019 1RT Total Absent 19090410_01A ROUTINE SITE #2 DIST-A 0.40Sep 13, 2019
Jun 07, 2019 1RT Total Absent 19060287_01A SITE #1 DIST-A 0.40Jun 14, 2019
Mar 04, 2019 1RT Total Absent 1903044_01A SITE #3 DIST-A 0.40Mar 08, 2019
Dec 20, 2018 1RT Total Absent 1812843_01A #2 DIST-A 0.40Dec 22, 2018
Sep 11, 2018 1AS Total Absent 1809397_01A WELLHEAD SRC-AA Sep 18, 2018
Sep 10, 2018 1RT Total Absent 1809362_01A EXP KITCHEN SINK DIST-A 0.40Sep 12, 2018
Jun 25, 2018 1RT Total Absent 1806A34_01A SITE #3 LAB SINK DIST-A 0.40Jun 27, 2018
Mar 26, 2018 1RT Total Absent 1803929_01A OSU EXTENSION KITCHEN SINK DIST-A 0.40Mar 29, 2018
Dec 29, 2017 1RT Total Absent 1712969_01A 569 HANLEY RD SITE #1 DIST-A 0.40Jan 05, 2018
Sep 01, 2017 1AS Total Absent 1709018_01A WELL #2 SRC-AA Sep 06, 2017
Sep 01, 2017 1RT Total Absent 1709012_01A KITCHEN SINK DIST-A 0.40Sep 06, 2017
Jun 12, 2017 1RT Total Absent 1706469_01A SITE #3 S LAB SINK DIST-A 0.40Jun 20, 2017
Jan 12, 2017 1RT Total Absent 1701296_01A SITE 3 LAB SINK DIST-A 0.40Jan 13, 2017
Oct 18, 2016 1AS Total POSITIVE 161064601A WELL #2 SRC-AA Oct 19, 2016
AS E. coli Absent 161064601A WELL #2 SRC-AA
Sample
Date
#
Samples
Sample
Type
Coliform
Type
Result Sample
ID
Repeat of
Sample ID
Sample
Site
Facility Chlorine
Residual
Received
Date
Rejected
Reason
Oct 17, 2016 1RT Total Absent 1610610_01A SITE #2 DIST-A 0.40Oct 19, 2016
Jul 29, 2016 1RT Total Absent 1607C82_01A SITE #1 EXPERIMENT KITCHEN DIST-A Aug 02, 2016
Mar 28, 2016 1RT Total Absent 1603924_01A KITCHEN SINK DIST-A Mar 30, 2016
Nov 16, 2015 1RT Total Absent 1511522_01A EXPERIMENT STATION KITCHEN DIST-A 0.30Nov 18, 2015
Aug 03, 2015 1RT Total Absent 1508018_01A SITE #3 DIST-A Aug 05, 2015
May 08, 2015 1RT Total Absent 1505279_01A #2 KITCHEN SINK DIST-A Jun 01, 2015
Mar 24, 2015 1RT Total Absent 1503773_01A SAMPLE SITE #3 DIST-A Apr 06, 2015
Feb 09, 2015 1RP Total Absent 1502358_05A 150220301A SITE #3 DIST-A Feb 25, 2015
Feb 09, 2015 1RP Total Absent 1502358_04A 150220301A #2 KITCHEN SINK DIST-A Feb 25, 2015
Feb 09, 2015 1RP Total Absent 1502358_03A 150220301A CONFERENCE RM SINK DIST-A Feb 25, 2015
Feb 09, 2015 1RP Total Absent 1502358_02A 150220301A #1 EXPERIMENT CTR DIST-A Feb 25, 2015
Feb 09, 2015 1TG Total Absent 1502358_01A 150220301A WELL HEAD SRC-AA Feb 25, 2015
Feb 05, 2015 1RT Total POSITIVE 150220301A KTCH SNK OSU EXP STA DIST-A Feb 06, 2015
RT E. coli Absent 150220301A KTCH SNK OSU EXP STA DIST-A
Dec 12, 2014 1AS Total Absent 1412592_01A WELL #2 SRC-AA Dec 23, 2014
Sep 08, 2014 1RT Total Absent 1409257_01A KITCHEN SINK DIST-A Sep 26, 2014
Jun 19, 2014 1RT Total Absent 1406685_01A EXPERIMENT STATION DIST-A Jun 25, 2014
Mar 21, 2014 1RT Total Absent 1403632_01A KITCHEN SINK DIST-A Mar 25, 2014
Dec 13, 2013 1RT Total Absent 1312386_01A #3 EXP. STATION LAB SINK DIST-A Jan 07, 2014
Aug 05, 2013 1CO Total Absent 1308120_05A 130802801A WELL HEAD PRE-TREATMENT SRC-AA Aug 12, 2013
Sample
Date
#
Samples
Sample
Type
Coliform
Type
Result Sample
ID
Repeat of
Sample ID
Sample
Site
Facility Chlorine
Residual
Received
Date
Rejected
Reason
Aug 05, 2013 1CO Total Absent 1308120_04A 130802801A WELL HEAD PRE-TREATMENT SRC-AA Aug 12, 2013
Aug 05, 2013 1CO Total Absent 1308120_03A 130802801A WELL HEAD PRE-TREATMENT SRC-AA Aug 12, 2013
Aug 05, 2013 1CO Total Absent 1308120_02A 130802801A WELL HEAD PRE-TREATMENT SRC-AA Aug 12, 2013
Aug 05, 2013 1CO Total Absent 1308120_01A 130802801A WELL HEAD PRE-TREATMENT SRC-AA Aug 12, 2013
Aug 01, 2013 1RT Total Absent 1308026_01A EXPERIMENT CTR KITCHEN DIST-A Aug 05, 2013
Aug 01, 2013 1AS Total POSITIVE 130802801A WELL #2 - UNAPPROVED SRC-AA Aug 05, 2013
AS E. coli POSITIVE 130802801A WELL #2 - UNAPPROVED SRC-AA
Jun 04, 2013 1RT Total Absent 1306062_01A SITE #2 KITCHEN SINK DIST-A Jun 28, 2013
Feb 12, 2013 1RT Total Absent 1302232_01A LAB DIST-A Feb 26, 2013
Dec 03, 2012 1RT Total Absent 1212033_01A KITCHEN DIST-A Dec 06, 2012
Sep 10, 2012 1RT Total Absent 1209246_01A Site #1 DIST-A Sep 28, 2012
Sep 10, 2012 1AS Total POSITIVE 120924701A WELL #2 SRC-AA Sep 12, 2012
AS E. coli Absent 120924701A WELL #2 SRC-AA
Jun 05, 2012 1RT Total Absent 1206122_01A Site #3 Lab Sink DIST-A Jun 11, 2012
Mar 06, 2012 1RT Total Absent 1203128_01A Sample Site 2 Kitche DIST-A Mar 08, 2012
Dec 06, 2011 1RT Total Absent 1112090_01A Site 1 DIST-A Dec 21, 2011
Sep 27, 2011 1RT Total Absent 1109780_01A Kitchen DIST-A Oct 05, 2011
Aug 11, 2011 1AS Total Absent 1108362_01A Well Head SRC-AA Aug 29, 2011
Jun 02, 2011 1RT Total Absent 1106092_01A Pump House Spigot DIST-A Jun 21, 2011
Mar 01, 2011 1RT Total Absent 110303401A Spigot at Well DIST-A Mar 04, 2011
Sample
Date
#
Samples
Sample
Type
Coliform
Type
Result Sample
ID
Repeat of
Sample ID
Sample
Site
Facility Chlorine
Residual
Received
Date
Rejected
Reason
Dec 14, 2010 1RT Total Absent 101243101A Spigot before press DIST-A Dec 21, 2010
Sep 02, 2010 1RT Total Absent 100910101A Well DIST-A Sep 09, 2010
May 06, 2010 1RT Total Absent 100512701A DIST-A Jun 22, 2010



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 2023