OHA Drinking Water Services
OR41
PWS ID: 91918 ---- NORTH VALLEY HIGH
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:  Hide special samples  ::  Show 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
Dec 09, 2024 1RT Total Absent 24120352_01A F11 SPECIAL ED DIST-A 0.10Dec 19, 2024
Nov 12, 2024 1RT Total Absent 24110459_01A KITCHEN PREP 2 DIST-A 0.11Nov 22, 2024
Oct 01, 2024 1RT Total Absent 24100029_01A NEAR SCIENCE ROOM DIST-A 0.03Oct 09, 2024
Sep 05, 2024 1RT Total Absent 24090148_01A F11 SPECIAL ED DIST-A 0.04Sep 09, 2024
Aug 05, 2024 1RT Total Absent 24080150_01A KITCHEN FOOD PREP 2 DIST-A 0.03Aug 09, 2024
Jul 08, 2024 1RT Total Absent 24070281_01A NEAR SCIENCE ROOM DIST-A 0.09Aug 02, 2024
Jun 11, 2024 1RT Total Absent 24060447_01A F11 SPECIAL ED DIST-A 0.03Jun 19, 2024
May 06, 2024 1RT Total Absent 24050190_01A KITCHEN FOOD PREP 2 DIST-A 0.05May 13, 2024
Apr 08, 2024 1RT Total Absent 24040400_01A NEAR SCIENCE ROOM DIST-A 0.03Apr 12, 2024
Mar 05, 2024 1RT Total Absent 24030078_01A F11 SPECIAL ED DIST-A 0.16Mar 13, 2024
Feb 05, 2024 1RT Total Absent 24020134_01A KITCHEN FOOD PREP 2 DIST-A 0.07Feb 12, 2024
Jan 09, 2024 1RT Total Absent 24010294_01A NEAR SCIENCE ROOM DIST-A 0.04Jan 12, 2024
Dec 13, 2023 1RT Total Absent 23120582_01A F11 SPECIAL ED DIST-A 0.09Dec 15, 2023
Nov 07, 2023 1RT Total Absent 23110225_01A KITCHEN FOOD PREP DIST-A 0.11Nov 21, 2023
Oct 18, 2023 1RT Total Absent 23100784_01A NEAR SCIENCE ROOM DIST-A 0.21Oct 20, 2023
Sep 08, 2023 1RT Total Absent 23090298_01A F11 SPECIAL ED DIST-A 0.06Sep 12, 2023
Aug 15, 2023 1RT Total Absent 23080748_01A KITCHEN FOOD PREP 2 DIST-A 0.10Aug 18, 2023
Jul 27, 2023 1RT Total Absent 23071218_01A NEAR SCIENCE ROOM DIST-A 0.03Aug 04, 2023
Jun 21, 2023 1RT Total Absent 23060963_01A F11 SPECIAL ED DIST-A 0.25Jul 03, 2023
May 16, 2023 1RT Total Absent 23050729_01A KITCHEN FOOD PREP DIST-A 0.56May 23, 2023
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Apr 14, 2023 1RT Total Absent 23040571_01A NEAR SCIENCE ROOM DIST-A 0.24Apr 21, 2023
Mar 17, 2023 1RT Total Absent 23030808_01A F11 SPECIAL ED DIST-A 0.25Mar 23, 2023
Feb 10, 2023 1RT Total Absent 23020424_01A KITCHEN FOOD PREP 2 DIST-A 0.36Mar 02, 2023
Jan 13, 2023 1RT Total Absent 23010531_01A NEAR SCIENCE ROOM DIST-A 0.18Jan 23, 2023
Dec 16, 2022 1RT Total Absent 22120822_01A F11 SPECIAL ED DIST-A 0.09Jan 03, 2023
Nov 17, 2022 1RT Total Absent 22110797_01A KITCHEN FOOD PREP 2 DIST-A 0.36Nov 28, 2022
Oct 20, 2022 1RT Total Absent 22100922_01A MENS RR SINK DIST-A 0.30Oct 25, 2022
Sep 16, 2022 1RT Total Absent 22090802_01A F11 SPECIAL ED DIST-A 0.18Sep 26, 2022
Aug 22, 2022 1RT Total Absent 22081045_01A KITCHEN FOOD PREP 2 DIST-A 0.64Aug 27, 2022
Jul 05, 2022 1RT Total Absent 22070090_01A BOYS RR NEAR SCIENCE RM DIST-A 0.30Jul 28, 2022
Jul 05, 2022 1AS Total Absent 22070087_01A WELL HOUSE FAUCET SRC-AA Jul 28, 2022
Jun 10, 2022 1RT Total Absent 22060556_01A F11 SPECIAL ED DIST-A 0.13Jun 28, 2022
May 13, 2022 1RT Total Absent 22050666_01A KITCHEN FOOD PREP 2 DIST-A 0.20May 23, 2022
Apr 15, 2022 1RT Total Absent 22040763_01A NEAR SCIENCE ROOM DIST-A 0.04Apr 28, 2022
Mar 11, 2022 1RT Total Absent 22030633_01A ROOM F11 DIST-A 0.30Mar 22, 2022
Feb 11, 2022 1RT Total Absent 22020627_01A KITCHEN FOOD PREP SINK DIST-A 0.20Feb 15, 2022
Jan 07, 2022 1RT Total Absent 22010277_01A BOYS RR NEAR SCIENCE ROOM DIST-A 0.20Jan 18, 2022
Dec 10, 2021 1RT Total Absent 21120572_01A LIBRARY DIST-A 0.10Dec 16, 2021
Dec 10, 2021 1AS Total Absent 21120568_01A WELL SRC-AA Dec 16, 2021
Oct 18, 2021 1RT Total Absent 21100666_01A BOYS BATHROOM DIST-A 0.10Oct 27, 2021
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Jul 19, 2021 1RT Total Absent 21070900_01A ROOM #F 11 DIST-A 0.80Jul 26, 2021
Apr 19, 2021 1RT Total Absent 21040974_01A CAFETERIA FOOD PREP 2 DIST-A 0.10Apr 21, 2021
Feb 23, 2021 1RT Total Absent 21021280_01A MENS RR BY SCIENCE RM DIST-A 0.10Mar 01, 2021
Dec 10, 2020 1AS Total Absent 20120660_01A WELL SRC-AA Dec 17, 2020
Dec 10, 2020 1RT Total Absent 20120647_01A MENS BATHROOM DIST-A 0.20Dec 17, 2020
Jul 30, 2020 1RT Total Absent 20071389_01A F 11 SPECIAL EDUCATION DIST-A 0.50Aug 04, 2020
Apr 09, 2020 1RT Total Absent 20040335_01A KITCHEN PREP SINK DIST-A 0.20Apr 13, 2020
Feb 20, 2020 1RT Total Absent 20020725_03A MENS RESTROOM SINK DIST-A Mar 02, 2020
Feb 20, 2020 1RT Total Absent 20020725_02A KITCHEN SINK DIST-A Mar 02, 2020
Feb 20, 2020 1RT Total Absent 20020725_01A LIBRARY SINK DIST-A Mar 02, 2020
Jan 30, 2020 1TG Total Absent 2001112704A 2001096101A WELL SRC-AA Jan 31, 2020
Jan 30, 2020 1RP Total Absent 2001112703A 2001096101A BATHROOM SINK DIST-A Jan 31, 2020
Jan 30, 2020 1RP Total POSITIVE 2001112702A 2001096101A KITCHEN SINK DIST-A Jan 31, 2020
RP E. coli Absent 2001112702A 2001096101A KITCHEN SINK DIST-A
Jan 30, 2020 1RP Total Absent 2001112701A 2001096101A LIBRARY SINK DIST-A Jan 31, 2020
Jan 28, 2020 1RT Total POSITIVE 2001096101A MENS BATHROOM SINK DIST-A Jan 29, 2020
RT E. coli Absent 2001096101A MENS BATHROOM SINK DIST-A
Nov 05, 2019 1RT Total Absent 19110173_03A S2 KITCHEN SINK DIST-A Nov 11, 2019
Nov 05, 2019 1RT Total Absent 19110173_02A KITCHEN SINK DIST-A Nov 11, 2019
Nov 05, 2019 1RT Total Absent 19110173_01A F11 SINK DIST-A Nov 11, 2019
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Oct 16, 2019 1TG Total Absent 1910079304A 19100663 WELL SRC-AA Oct 17, 2019
Oct 16, 2019 1RP Total POSITIVE 1910079303A 19100663 B-2 SINK DIST-A Oct 17, 2019
RP E. coli Absent 1910079303A 19100663 B-2 SINK DIST-A
Oct 16, 2019 1RP Total POSITIVE 1910079302A 19100663 B-3 SINK DIST-A Oct 17, 2019
RP E. coli Absent 1910079302A 19100663 B-3 SINK DIST-A
Oct 16, 2019 1RP Total POSITIVE 1910079301A 19100663 B-1 SINK DIST-A Oct 17, 2019
RP E. coli Absent 1910079301A 19100663 B-1 SINK DIST-A
Oct 15, 2019 1RT Total POSITIVE 19100663 ROOM B2 SINK DIST-A Oct 16, 2019
RT E. coli Absent 19100663 ROOM B2 SINK DIST-A
Jul 11, 2019 1RT Total Absent 19070500_01A ROOM F11 SINK DIST-A Jul 15, 2019
Apr 22, 2019 1RT Total Absent 19040920_01A KITCHEN FOOD PREP 2 DIST-A Apr 29, 2019
Jan 28, 2019 1RT Total Absent 1901926_01A SCIENCE RM B2 DIST-A Feb 04, 2019
Oct 25, 2018 1RT Total Absent 1810A07_01A ROOM F11 SINK DIST-A Nov 08, 2018
Jul 12, 2018 1RT Total Absent 1807543_01A KITCHEN FOOD PREP SINK DIST-A Jul 14, 2018
May 30, 2018 1RT Total Absent 1805C05_02A B2 SCIENCE SINK DIST-A Jun 06, 2018
May 30, 2018 1RT Total Absent 1805C05_01A F11 SPECIAL ED SINK DIST-A Jun 06, 2018
May 02, 2018 1RT Total Absent 1805132_01A KITCHEN FOOD PREP SINK DIST-A May 10, 2018
Apr 20, 2018 1TG Total Absent 1804841_05A 180478001A WELL SRC-AA Apr 25, 2018
Apr 20, 2018 1RP Total Absent 1804841_04A 180478001A B1 FAUCET DIST-A Apr 25, 2018
Apr 20, 2018 1RP Total Absent 1804841_03A 180478001A B2 FAUCET DIST-A Apr 25, 2018
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Apr 20, 2018 1RP Total Absent 1804841_02A 180478001A B3 FAUCET #1 DIST-A Apr 25, 2018
Apr 20, 2018 1RP Total Absent 1804841_01A 180478001A KITCHEN SINK PREP DIST-A Apr 25, 2018
Apr 19, 2018 1RT Total POSITIVE 180478001A B2 SCIENCE RM SINK DIST-A Apr 20, 2018
RT E. coli POSITIVE 180478001A B2 SCIENCE RM SINK DIST-A
Jan 22, 2018 1RT Total Absent 1801756_01A ROOM F11 SPEC ED DIST-A Jan 26, 2018
Oct 19, 2017 1RT Total Absent 1710717_01A KITCHEN SINK FOOD PREP DIST-A Oct 27, 2017
Jul 05, 2017 1RT Total Absent 1707083_01A ROOM B2 SINK DIST-A 0.40Jul 14, 2017
Apr 10, 2017 1RT Total Absent 21701179AA KITCHEN SINK DIST-A 0.50Apr 20, 2017
Mar 07, 2017 1AS Total Absent 21700735AA WELL TAP SRC-AA Mar 16, 2017
Mar 07, 2017 1RT Total Absent 21700726AA FRONT OFFICE DIST-A 0.50Mar 16, 2017
Oct 31, 2016 1RT Total Absent 21603945AA LIBRARY DIST-A 1.00Nov 03, 2016
Aug 25, 2016 1RT Total Absent 21603029AA LIBRARY DIST-A 0.00Sep 08, 2016
Jun 09, 2016 1RT Total Absent 21601891AA KITCHEN SINK DIST-A 1.00Jun 15, 2016
Jun 08, 2016 1AS Total Absent 21601925AA WELL TAP SRC-AA Jun 15, 2016
Mar 15, 2016 1RT Total Absent 21600801AA KITCHEN SINK DIST-A 1.00Mar 17, 2016
Nov 24, 2015 1RT Total Absent 21504360AA WELL HOUSE DIST-A Dec 23, 2015
Aug 10, 2015 1RT Total Absent 21503087AA KITCHEN SINK DIST-A 1.00Sep 02, 2015
Apr 08, 2015 1RT Total Absent 21501384AA FRONT OFFICE DIST-A 1.00Apr 17, 2015
Jan 26, 2015 1AS Total Absent 21500343AA WELL TAP SRC-AA Feb 02, 2015
Jan 26, 2015 1RT Total Absent 21500333AA KITCHEN SINK DIST-A 0.00Feb 02, 2015
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Nov 24, 2014 1RT Total Absent 21404584AA WELL DIST-A 1.00Dec 01, 2014
Aug 26, 2014 1RT Total Absent 21403271AA LIBRARY DIST-A 0.00Sep 02, 2014
May 05, 2014 1RT Total Absent 21401685AA KITCHEN SINK DIST-A May 08, 2014
May 05, 2014 1AS Total Absent 21401669AA WELL SRC-AA May 08, 2014
Mar 21, 2014 1RT Total Absent 21401124AA KITCHEN SINK DIST-A Mar 31, 2014
Dec 05, 2013 1RT Total Absent 21305411AA TEACHERS ROOM DIST-A 1.00Dec 06, 2013
Aug 05, 2013 1RT Total Absent 21303460AA WELL DIST-A 0.50Aug 12, 2013
May 21, 2013 1RT Total Absent 21302133AA LIBRARY DIST-A 0.05May 22, 2013
Mar 13, 2013 1RT Total Absent 21301040AA FRONT OFFICE DIST-A 1.00Mar 15, 2013
Mar 13, 2013 1AS Total Absent 21301030AA WELL TAP SRC-AA Mar 15, 2013
Oct 25, 2012 1RT Total Absent 21204259AA FRONT OFFICE DIST-A 0.50Oct 26, 2012
Aug 01, 2012 1RT Total Absent 21202966AA Kitchen Sink DIST-A 0.50Aug 03, 2012
Apr 26, 2012 1RT Total Absent 21201570AA Kitchen Sink DIST-A 0.50May 01, 2012
Feb 02, 2012 1AS Total Absent 21200436AA Raw Tap SRC-AA Feb 07, 2012
Feb 02, 2012 1RT Total Absent 21200435AA Kitchen Sink DIST-A 0.00Feb 07, 2012
Dec 05, 2011 1RT Total Absent 21104609AA Kitchen Sink DIST-A 0.00Dec 15, 2011
Jul 25, 2011 1RT Total Absent 21102787AA Kitchen Sink DIST-A 1.00Jul 29, 2011
Jun 02, 2011 1RT Total Absent 21101986AA Kitchen Sink DIST-A 1.00Jun 03, 2011
Feb 10, 2011 1AS Total Absent 21100555AA SRC-AA Well Tap SRC-AA Feb 15, 2011
Feb 10, 2011 1RT Total Absent 21100554AA Kitchen Sink DIST-A 1.00Feb 15, 2011
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Dec 27, 2010 1AS Total Absent 21005145AA WELL TAP SRC-AA Dec 30, 2010
Nov 19, 2010 1RT Total Absent 21004713AA Kitchen Sink DIST-A 1.00Nov 22, 2010
Jul 21, 2010 1RT Total Absent 21002905AA Kitchen Sink DIST-A 1.00Jul 22, 2010
Apr 22, 2010 1RT Total Absent 21001540AA Inside Faucet / DIST-A 0.50Apr 23, 2010
Jan 25, 2010 1RT Total Absent 21000297AA Well Tap DIST-A Jan 28, 2010
Nov 19, 2009 1RT Total Absent 20904010AA Teachers room DIST-A 1.00Nov 23, 2009
Sep 10, 2009 1RT Total Absent 20903056AA LIBRARY DIST-A 0.50Sep 11, 2009
May 28, 2009 1RT Total Absent 20901618AA TEACHERS ROOM DIST-A 1.00May 29, 2009
Feb 05, 2009 1RT Total Absent 20900370AA WELL TAP DIST-A Feb 09, 2009
Nov 25, 2008 1RT Total Absent 20804149AA KITCHEN SINK DIST-A 1.00Nov 26, 2008
Aug 06, 2008 1RT Total Absent 20802670AA INSIDE FAUCET DIST-A 0.00Aug 07, 2008
Apr 23, 2008 1RT Total Absent 20801258AA TEACHERS ROOM DIST-A 0.50Apr 28, 2008
Feb 14, 2008 1RT Total Absent 20800445AA KITCHEN SINK DIST-A 0.50Feb 18, 2008
Dec 20, 2007 1RT Total Absent 20704603AA KITCHEN SINK DIST-A 1.00Dec 21, 2007
Nov 30, 2007 1SP Total Absent GWUDI - WELL SRC-AA
Aug 31, 2007 1SP Total Absent GWUDI - WELL SRC-AA
Aug 14, 2007 1RT Total Absent 20702947AA TEACHERS ROOM DIST-A Aug 17, 2007
Jul 31, 2007 1SP Total Absent GWUDI - WELL SRC-AA
Jun 30, 2007 1SP Total Absent GWUDI - WELL SRC-AA
May 31, 2007 1SP Total Absent GWUDI - WELL SRC-AA
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
May 24, 2007 1RT Total Absent 20701757AA KITCHEN SINK DIST-A May 31, 2007
Apr 30, 2007 1SP Total Absent GWUDI - WELL SRC-AA
Mar 31, 2007 1SP Total Absent GWUDI - WELL SRC-AA
Feb 28, 2007 1SP Total Absent GWUDI - WELL SRC-AA
Feb 15, 2007 1RT Total Absent 20700607AA KITCHEN DIST-A Feb 23, 2007
Jan 31, 2007 1SP Total Absent GWUDI - WELL SRC-AA
Dec 31, 2006 1SP Total Absent GWUDI - WELL SRC-AA
Nov 30, 2006 1SP Total Absent GWUDI - WELL SRC-AA
Oct 31, 2006 1SP Total Absent GWUDI - WELL SRC-AA
Oct 19, 2006 1RT Total Absent 20600692AB KITCHEN DIST-A Oct 25, 2006
Sep 27, 2006 1RT Total Absent 20600393AA NORTH VALLEY HIGH SC DIST-A 0.50Oct 03, 2006
Jun 05, 2006 1RT Total Absent 263259 NORTH VALLEY HIGH SC DIST-A Jun 12, 2006
Feb 22, 2006 1RT Total Absent 260753 NORTH VALLEY HIGH SC DIST-A Mar 01, 2006
Oct 13, 2005 1RT Total Absent 254739 NORTH VALLEY HIGH SC DIST-A Nov 03, 2005
Jul 13, 2005 1RT Total Absent 252946 NORTH VALLEY HIGH SC DIST-A Aug 03, 2005
Apr 20, 2005 1RT Total Absent 251626 NORTH VALLEY HIGH DIST-A 0.50May 03, 2005
Jan 19, 2005 1RT Total Absent 250266 NORTH VALLEY HIGH SC DIST-A 0.50Feb 03, 2005
Nov 10, 2004 1RT Total Absent 245004 NORTH VALLEY HIGH SC DIST-A Dec 02, 2004
Aug 18, 2004 1RT Total Absent 243618 NORTH VALLEY HIGH SC DIST-A Sep 02, 2004
Apr 14, 2004 1RT Total Absent 241436 NORTH VALLEY HIGH SC DIST-A May 04, 2004
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Jan 21, 2004 1RT Total Absent 240259 DIST-A Feb 04, 2004
Oct 16, 2003 1RT Total Absent 234459 DIST-A Nov 10, 2003
Jul 30, 2003 1RT Total Absent 233038 DIST-A Sep 08, 2003
Jun 12, 2003 1RT Total Absent 232263 DIST-A Jul 07, 2003
Mar 19, 2003 1RT Total Absent 230997 DIST-A Apr 04, 2003
Oct 08, 2002 1RT Total Absent 224083 DIST-A Dec 30, 2002
Sep 03, 2002 1RT Total Absent 223476 DIST-A Oct 02, 2002
Apr 05, 2002 1RT Total Absent 221261 DIST-A May 03, 2002
Jan 04, 2002 1RT Total Absent 220078 DIST-A Feb 01, 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:  Hide special samples  ::  Show rejected samples  ::  Exclude results older than 2022


More information for this water system: SDWIS ID 1095
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