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:  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
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		Rejected
Reason
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		Rejected
Reason
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		Rejected
Reason
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		Rejected
Reason
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		Rejected
Reason
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		Rejected
Reason
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
Aug 14, 2007 1RT Total Absent 20702947AA TEACHERS ROOM DIST-A Aug 17, 2007
May 24, 2007 1RT Total Absent 20701757AA KITCHEN SINK DIST-A May 31, 2007
Feb 15, 2007 1RT Total Absent 20700607AA KITCHEN DIST-A Feb 23, 2007
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
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date		Rejected
Reason
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
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:  Show special samples  ::  Hide rejected samples  ::  Exclude results older than 2022


More information for this water system: SDWIS ID 1095
System Info  ::  Report for Lenders  ::  Alerts  ::  Violations  ::  Compliance & Enforcement  ::  Contacts & Advisories  ::  Site Visits  ::  Public Notice
Coliform Summary  ::  Coliform Results  ::  Coliform Schedules  ::  LT2  ::  GW/GWUDI Source Details  ::  Plan Review  ::  Annual Fee
Chemical Summary  ::  Chemical Results  ::  Chemical Schedules  ::  Chemical Schedule Summary  ::  Arsenic RAA  ::  Cyanotoxins  ::  PFAS
Lead & Copper  ::  DBP Sample Sites  ::  FANLs  ::  MRDL  ::  GWR 4-Log  ::  Turbidity  ::  SWTR  ::  LRAA  ::  DW Source Protection
Information for all water systems:
Water System Inventory  ::  Water System Surveys  ::  Outstanding Performers  ::  Treatment Plant Inspections  ::  Treatment  ::  Plan Reviews
Alerts  ::  Violations  ::  Compliance & Enforcement  ::  Deficiencies  ::  System Scores  ::  Exceedances  ::  Public Notices  ::  Service Lines
Water Advisories  ::  Contact Reports  ::  Cyanotoxins  ::  PFAS  ::  Post-wildfire VOCs  ::  Fluoride  ::  Certification List  ::  DW Source Protection
Introduction  ::  Data Search Options  ::  Water System Search  ::  DWS Home  ::  DWS Rules
Need help? Email Drinking Water Services for assistance.Staff/Partner Login