OHA Drinking Water Services
OR41
PWS ID: 94894 ---- ARBOR SCHOOL
Coliform Results

See also:  Coliform Fact Sheet  ::  Coliform Schedules  ::  Archived Results  ::  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
Sep 10, 2025 1AS Total POSITIVE 5253041-02 WELL 1 SRC-AA Sep 11, 2025
AS E. coli Absent 5253041-02 WELL 1 SRC-AA
Sep 10, 2025 1RT Total Absent 5253041-01 DIST-A Sep 11, 2025
Jun 24, 2025 1RT Total Absent 5175024-01 PRIM HOSE BIB DIST-A Jun 27, 2025
Mar 25, 2025 1RT Total Absent 5084028-01 INT HOSE BIB DIST-A Mar 31, 2025
Nov 25, 2024 1RT Total Absent 4330021-01 STABLES SINK DIST-A Nov 27, 2024
Sep 26, 2024 1AS Total Absent 4270025-02 WELL 1 SRC-AA Oct 07, 2024
Sep 26, 2024 1RT Total Absent 4270025-01 4201 SW BORLAND DIST-A Oct 07, 2024
Jun 20, 2024 1RT Total Absent 4172030-01 PRIMARY HOSE BIB DIST-A Jun 28, 2024
Mar 19, 2024 1RT Total Absent 4079017-01 STABLES K SINK DIST-A Mar 22, 2024
Nov 15, 2023 1RT Total Absent 3319020-01 PRIMARY HOSE BIB DIST-A Dec 04, 2023
Sep 19, 2023 1AS Total Absent 3262011-02 WELL #1 SRC-AA Sep 26, 2023
Sep 19, 2023 1RT Total Absent 3262011-01 STABLES K SINK DIST-A Sep 26, 2023
Jun 20, 2023 1RT Total Absent 3171034-01 INT HB DIST-A Jul 05, 2023
Mar 22, 2023 1RT Total Absent 3081016-01 PRIMARY HB DIST-A Mar 23, 2023
Nov 21, 2022 1RT Total Absent 2325030-01 STABLES K SINK DIST-A Nov 22, 2022
Sep 21, 2022 1RT Total Absent 2264022-01 PRIMARY HOSE BIB DIST-A Sep 23, 2022
Sep 09, 2022 1AS Total Absent 2252014-01 WELL SRC-AA Sep 19, 2022
Jun 29, 2022 1RT Total Absent 2180025-01 HOSE BIB DIST-A Jul 07, 2022
Mar 22, 2022 1RT Total Absent 2081027-01 STABLES W SINK DIST-A Mar 28, 2022
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Dec 08, 2021 1AS Total Absent 1342017-02 WELL 1 SRC-AA Dec 17, 2021
Dec 08, 2021 1RT Total Absent 1342017-01 4201 SW BORLAND DIST-A Dec 17, 2021
Nov 18, 2021 1RT Total Absent 1322011-01 PRIMARY HOSE BIB DIST-A Dec 06, 2021
Oct 26, 2021 1RT Total Absent 1299009-01 STABLES K SINK DIST-A Oct 29, 2021
Sep 28, 2021 1RT Total Absent 1271050-01 STABLES K SINK DIST-A Sep 30, 2021
Aug 26, 2021 1RT Total Absent 1238018-01 PRIMARY HOSE BIB DIST-A Sep 07, 2021
Jul 30, 2021 1RT Total Absent 1211016-01 STABLES W SINK DIST-A Aug 06, 2021
Jun 25, 2021 1RT Total Absent 1176027-01 PRIMARY HOSE BIB DIST-A Jun 30, 2021
May 26, 2021 1RT Total Absent 1146056-01 STABLES W SINK DIST-A Jun 04, 2021
Apr 27, 2021 1RT Total Absent 1117051-01 STABLES SINK DIST-A May 03, 2021
Mar 26, 2021 1RT Total Absent 1085020-01 INT HOSE BIB DIST-A Apr 01, 2021
Feb 26, 2021 1RT Total Absent 1057022-01 PRIMARY HOSE BIB DIST-A Mar 04, 2021
Jan 27, 2021 1RT Total Absent 1027011-01 WEST K SINK DIST-A Feb 02, 2021
Dec 17, 2020 1RT Total Absent 0352017-01 PRIMARY HOSE BIB DIST-A Jan 07, 2021
Nov 24, 2020 1RT Total Absent 0329013-01 WEST KIT SINK DIST-A Dec 04, 2020
Oct 29, 2020 1RT Total Absent 0303020-01 PRIMARY HOSE BIB DIST-A Nov 05, 2020
Sep 28, 2020 1RT Total Absent 0272024-01 INT HOSE BIB DIST-A Oct 06, 2020
Aug 28, 2020 1RT Total Absent 0241017-01 ARENA NORTH WELL DIST-A Sep 01, 2020
Jul 29, 2020 1RT Total Absent 0211027-01 ARENA N WALL DIST-A Jul 31, 2020
Mar 12, 2020 1RP Total POSITIVE 007201404 005801401 ARCH HOSE BIB DIST-A Mar 13, 2020
RP E. coli Absent 007201404 005801401 ARCH HOSE BIB DIST-A
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Mar 12, 2020 1RP Total POSITIVE 007201403 005801401 INT HOSE BIB DIST-A Mar 13, 2020
RP E. coli Absent 007201403 005801401 INT HOSE BIB DIST-A
Mar 12, 2020 1RP Total POSITIVE 007201402 005801401 PRIMARY HOSE BIB DIST-A Mar 13, 2020
RP E. coli Absent 007201402 005801401 PRIMARY HOSE BIB DIST-A
Mar 12, 2020 1TG Total POSITIVE 007201401 005801401 WELL SRC-AA Mar 13, 2020
TG E. coli Absent 007201401 005801401 WELL SRC-AA
Feb 27, 2020 1RT Total POSITIVE 005801401 PRIMARY HB DIST-A Feb 28, 2020
RT E. coli Absent 005801401 PRIMARY HB DIST-A
Jan 27, 2020 1RT Total Absent 0027025-01 PRIMARY HOSE BIB DIST-A Jan 31, 2020
Jan 03, 2020 1RP Total POSITIVE 000300804 936500801 PRIMARY HOSE BIB DIST-A Jan 06, 2020
RP E. coli Absent 000300804 936500801 PRIMARY HOSE BIB DIST-A
Jan 03, 2020 1RP Total POSITIVE 000300803 936500801 INT HOSE BIB DIST-A Jan 06, 2020
RP E. coli Absent 000300803 936500801 INT HOSE BIB DIST-A
Jan 03, 2020 1RP Total POSITIVE 000300802 936500801 STAFF BATH SINK DIST-A Jan 06, 2020
RP E. coli Absent 000300802 936500801 STAFF BATH SINK DIST-A
Jan 03, 2020 1TG Total POSITIVE 000300801 936500801 SOURCE SRC-AA Jan 06, 2020
TG E. coli Absent 000300801 936500801 SOURCE SRC-AA
Dec 31, 2019 1RT Total POSITIVE 936500801 STAFF BATH SINK DIST-A Jan 02, 2020
RT E. coli Absent 936500801 STAFF BATH SINK DIST-A
Nov 13, 2019 1RT Total Absent 9317068-01 PRIMARY HOSE BIB DIST-A Nov 26, 2019
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Oct 02, 2019 1RP Total POSITIVE 927501804 927002201 SW SINK DIST-A Oct 03, 2019
RP E. coli Absent 927501804 927002201 SW SINK DIST-A
Oct 02, 2019 1RP Total POSITIVE 927501803 927002201 P. BATH DIST-A Oct 03, 2019
RP E. coli Absent 927501803 927002201 P. BATH DIST-A
Oct 02, 2019 1RP Total POSITIVE 927501802 927002201 STAFF SINK DIST-A Oct 03, 2019
RP E. coli Absent 927501802 927002201 STAFF SINK DIST-A
Oct 02, 2019 1TG Total POSITIVE 927501801 927002201 WELL 1 SRC-AA Oct 03, 2019
TG E. coli Absent 927501801 927002201 WELL 1 SRC-AA
Sep 27, 2019 1RT Total POSITIVE 927002201 STAFF SINK DIST-A Sep 30, 2019
RT E. coli Absent 927002201 STAFF SINK DIST-A
Aug 27, 2019 1RT Total Absent 9239023-01 GG SINK DIST-A Sep 04, 2019
Jul 30, 2019 1RT Total Absent 9211015-01 STAFF SINK DIST-A Aug 05, 2019
Jun 28, 2019 1RT Total Absent 9179021-01 GC SINK DIST-A Jul 02, 2019
May 31, 2019 1RT Total Absent 9151027-01 4201 SW BORLAND RD DIST-A Jun 04, 2019
Apr 30, 2019 1RT Total Absent 9120026-01 SINK 1 DIST-A May 03, 2019
Mar 28, 2019 1RT Total Absent 9087019-01 SINK 1 DIST-A Apr 03, 2019
Feb 27, 2019 1AS Total Absent 9059001-02 SOURCE - WELL #1 SRC-AA Mar 08, 2019
Feb 27, 2019 1RT Total Absent 9059001-01 STAFF TAP DIST-A Mar 08, 2019
Jan 31, 2019 1RT Total Absent 9031002-01 STAFF SINK DIST-A Feb 05, 2019
Jan 03, 2019 1RT Total Absent 9003023-01 STAFF TAP DIST-A Jan 14, 2019
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Nov 12, 2018 1RP Total Absent 8317017-03 830403501 3-FTN DIST-A Nov 29, 2018
Nov 12, 2018 1RP Total Absent 8317017-02 830403501 2-BATH DIST-A Nov 29, 2018
Nov 12, 2018 1RP Total Absent 8317017-01 830403501 1-BATH DIST-A Nov 29, 2018
Oct 31, 2018 1RT Total POSITIVE 830403501 STAFF DRINKING DIST-A Nov 01, 2018
RT E. coli Absent 830403501 STAFF DRINKING DIST-A
Aug 07, 2018 1RT Total Absent 8219025-01 STAFF DRINKING DIST-A Aug 29, 2018
May 02, 2018 1RT Total Absent 8122030-01 STAFF BATH TUB DIST-A May 09, 2018
Sep 12, 2017 1RT Total POSITIVE 725501401 4201 SW BORLAND RD DIST-A Sep 13, 2017
RT E. coli Absent 725501401 4201 SW BORLAND RD DIST-A
Mar 30, 2017 1RT Total Absent 7089003-01 SINK DIST-A Apr 04, 2017
Aug 23, 2016 1RT Total Absent 6236015-01 WELL 1 DIST-A Aug 29, 2016
Apr 13, 2016 1RT Total Absent 6104068-01 STAFF BATH SINK DIST-A Apr 15, 2016
Sep 28, 2015 1RT Total Absent 586176 STAFF BATH SINK DIST-A Sep 29, 2015
Jun 10, 2015 1RT Total Absent 581191 STAFF DRINKING FTN DIST-A Jun 15, 2015
Mar 11, 2015 1RT Total Absent 576932 4201 SW BORLAND RD DIST-A Mar 17, 2015
Dec 18, 2014 1RT Total Absent 573432 STAFF BATH TAP DIST-A Dec 30, 2014
Nov 20, 2014 1RT Total Absent 572055 4201 SW BORLAND RD DIST-A Nov 24, 2014
Sep 23, 2014 1RT Total Absent 569201 4201 SW BORLAND RD DIST-A Sep 30, 2014
Jul 09, 2014 1RT Total Absent 565839 STAFF BATH TAP (SINK DIST-A Jul 15, 2014
Mar 28, 2014 1RT Total Absent 561219 PRIMARY UP KITCHEN T DIST-A Mar 31, 2014
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Dec 20, 2013 1RT Total Absent 557148 STAFF BATH DRINKING DIST-A Dec 26, 2013
Oct 02, 2013 1RT Total Absent 553320 STAFF DRINKING FTN DIST-A Oct 07, 2013
Jun 27, 2013 1RT Total Absent 548945 STAFF BATH SINK TAP DIST-A Jul 03, 2013
Mar 29, 2013 1RT Total Absent 544870 STAFF BATH SINK DIST-A Apr 02, 2013
Dec 19, 2012 1RT Total Absent 540860 WELL #1 STAFF SINK DIST-A Dec 26, 2012
Sep 19, 2012 1RT Total Absent 536038 STAFF BATH TAP DIST-A Sep 25, 2012
Jun 29, 2012 1RT Total Absent 25043361 DIST-A Jul 27, 2012
Apr 12, 2012 1RT Total Absent 25017321 DIST-A Apr 25, 2012
Dec 22, 2011 1RT Total Absent PUL0700_01 E-Coli DIST-A Dec 30, 2011
Jul 27, 2011 1RT Total Absent PUG0833_06 Prim. Class Sink DIST-A Aug 10, 2011
Jul 27, 2011 1RT Total Absent PUG0833_05 Prim. Kitch. Sink DIST-A Aug 10, 2011
Jul 27, 2011 1RT Total Absent PUG0833_04 Stables Boys Sink DIST-A Aug 10, 2011
Jul 27, 2011 1RT Total Absent PUG0833_03 Intermediate Girls DIST-A Aug 10, 2011
Jul 27, 2011 1RT Total Absent PUG0833_02 Intermediate Class S DIST-A Aug 10, 2011
Jul 27, 2011 1RT Total Absent PUG0833_01 Triggered Source/Wel DIST-A Aug 10, 2011
Jun 14, 2011 1RT Total Absent PUF0489_08 Intermediate Bathroo DIST-A Jun 23, 2011
Jun 14, 2011 1RT Total Absent PUF0489_07 Bathroom-North DIST-A Jun 23, 2011
Jun 14, 2011 1RT Total Absent PUF0489_06 Clean Sink-South DIST-A Jun 23, 2011
Jun 14, 2011 1RT Total Absent PUF0489_05 Bathroom-North DIST-A Jun 23, 2011
Jun 08, 2011 1RT Total POSITIVE PUF030401 kitchen DIST-A Jun 09, 2011
RT E. coli Absent PUF030401 kitchen DIST-A
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Feb 15, 2011 1RT Total Absent PUB0465_01 Arbor Sink DIST-A Feb 25, 2011
Dec 17, 2010 1RT Total Absent PTL069001 DIST-A Jan 06, 2011
Oct 19, 2010 1RT Total Absent PTJ0584_01 Ecoli-Well Head DIST-A Nov 02, 2010
Jun 08, 2010 1RT Total Absent PTF0236_01 E-Coli DIST-A Jun 22, 2010
Feb 26, 2010 1RT Total Absent PTB0797-01 Boys Toilet DIST-A Mar 12, 2010
Dec 04, 2009 1RT Total Absent PSL017401 DIST-A Dec 18, 2009
Sep 04, 2009 1RT Total Absent PSI022801 DIST-A Sep 21, 2009
Jun 26, 2009 1RT Total Absent PSF087301 DIST-A Aug 10, 2009
Apr 14, 2009 1RT Total Absent PSD048801 DIST-A Aug 10, 2009
Jan 20, 2009 1RT Total Absent PSA053601 DIST-A Aug 10, 2009
Sep 12, 2008 1RT Total Absent PRI04551 DIST-A Sep 19, 2008
Sep 12, 2008 1RT Total Absent PRI0455-01 INT. ROOM SINK DIST-A Sep 17, 2008
Jul 01, 2008 1RT Total Absent PRG0020 INT. CLASS FAUCET DIST-A Jul 10, 2008
Apr 25, 2008 1RT Total Absent PRD0901-01 FRONT ROOM SINK DIST-A May 15, 2008
Jan 24, 2008 1RT Total Absent PRA0712-01 UNKNOWN DIST-A May 15, 2008
Apr 13, 2007 1RT Total Absent PQD052601 DIST-A May 15, 2007
Dec 11, 2006 1RT Total Absent PPL032701A DIST-A Jan 11, 2007
Aug 18, 2006 1RT Total Absent PPH093601A DIST-A Aug 28, 2006
Jun 19, 2006 1RT Total Absent PPF07791 DIST-A Jul 11, 2006
Mar 17, 2006 1RT Total Absent P6C077501 DIST-A Apr 03, 2006
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Jan 26, 2006 1RT Total Absent P6A09711 DIST-A Feb 07, 2006
Aug 22, 2005 1RT Total Absent P5H089801 DIST-A Sep 19, 2005
Jun 20, 2005 1RT Total Absent P5F081301 DIST-A Jul 26, 2005
Mar 25, 2005 1RT Total Absent P5C11491 DIST-A Apr 12, 2005
Nov 30, 2004 1RT Total Absent 7182 DIST-A Dec 13, 2004
Aug 31, 2004 1RT Total Absent 7133 DIST-A Sep 20, 2004
May 21, 2004 1RT Total Absent 7053 DIST-A Jun 09, 2004
Feb 24, 2004 1RT Total Absent 7013 DIST-A Mar 15, 2004
Nov 18, 2003 1RT Total Absent 6968 DIST-A Dec 08, 2003
Aug 19, 2003 1RT Total Absent 6916 DIST-A Sep 02, 2003
May 21, 2003 1RT Total Absent 6836 DIST-A Jun 02, 2003
Feb 27, 2003 1RT Total Absent 6796 DIST-A Mar 17, 2003
Nov 07, 2002 1RT Total Absent 6728 DIST-A Dec 09, 2002
Aug 08, 2002 1RT Total Absent 6680 DIST-A
May 13, 2002 1RT Total Absent 6644 DIST-A May 22, 2002
Feb 25, 2002 1RT Total Absent 6544 DIST-A Mar 25, 2002



See also:  Coliform Fact Sheet  ::  Coliform Schedules  ::  Archived Results  ::  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 2101
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
Main menu:
Introduction  ::  Data Search Options  ::  Water System Search  ::  DWS Home  ::  DWS Rules
Need help? Email Drinking Water Services for assistance.Staff/Partner Login