OHA Drinking Water Services
OR41
PWS ID: 05754 ---- BLACKWELL WATER SYSTEM
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:  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
Jan 08, 2025 1RT Total Absent 22500101AA 230 BLACKWELL DIST-A Jan 22, 2025
Jan 30, 2024 1RT Total Absent 22400397AA 230 BLACKWELL DIST-A Feb 06, 2024
Jun 13, 2023 1RT Total Absent 22301917AA 230 BLACKWELL DIST-A Jun 20, 2023
Jan 26, 2023 1RT Total Absent 22300306AA 121 BLACKWELL DIST-A Jan 31, 2023
Oct 31, 2022 1RT Total Absent 22203707AA 121 BLACKWELL DIST-A Nov 09, 2022
Sep 26, 2022 1RT Total Absent 22203240AA A DIST-A Sep 28, 2022
Apr 21, 2022 1RT Total Absent 22201313AA 230 BLACKWELL DIST-A Apr 25, 2022
Feb 08, 2022 1RT Total Absent 22200489AA 121 BLACKWELL DIST-A Feb 11, 2022
Oct 14, 2021 1RT Total Absent 22103526AA 121 BLACKWELL DIST-A Oct 18, 2021
Jul 26, 2021 1RT Total Absent 22102508AA 121 BLACKWELL DIST-A Aug 04, 2021
May 10, 2021 1RT Total Absent 22101558AA 121 BLACKWELL DIST-A May 12, 2021
Mar 09, 2021 1RT Total Absent 22100809AA 121 BLACKWELL DIST-A Mar 12, 2021
Oct 22, 2020 1RT Total Absent 22003585AA 121 BLACKWELL DIST-A Oct 29, 2020
Sep 25, 2020 1RT Total Absent 22003183AA 230 BLACKWELL DIST-A Oct 02, 2020
Jun 17, 2020 1RT Total Absent 22001926AA 230 BLACKWELL DIST-A Jun 25, 2020
Feb 26, 2020 1RT Total Absent 22000614AA 121 BLACKWELL DIST-A Feb 27, 2020
Dec 04, 2019 1RT Total Absent 21904463AA 230 BLACKWELL DIST-A Dec 09, 2019
Aug 15, 2019 1RT Total Absent 21903083AA 201 BLACKWELL DIST-A Aug 16, 2019
Jun 20, 2019 1RT Total Absent 21902227AA 121 BLACKWELL DIST-A Jun 24, 2019
Jan 21, 2019 1RT Total Absent 21900279AA 121 BLACKWELL DIST-A Feb 01, 2019
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date		Rejected
Reason
Dec 12, 2018 1RT Total Absent 21804286AA 230 BLACKWELL DIST-A Dec 21, 2018
Jul 17, 2018 1RT Total Absent 21802492AA 121 BLACKWELL DIST-A Jul 25, 2018
Jun 14, 2018 1RT Total Absent 21802042AA 230 BLACKWELL DIST-A Jun 20, 2018
Feb 15, 2018 1RT Total Absent 21800503AA 121 BLACKWELL RD DIST-A Feb 26, 2018
Nov 14, 2017 1RT Total Absent 21704044AA 121 BLACKWELL DIST-A Nov 27, 2017
Oct 24, 2017 1RT Total Absent 21703792AC 121 BLACKWELL DIST-A 1.00Nov 01, 2017
Oct 24, 2017 1RT Total Absent 21703792AB 201 BLACKWELL DIST-A 0.00Nov 01, 2017
Oct 24, 2017 1RT Total Absent 21703792AA 230 BLACKWELL DIST-A 1.00Nov 01, 2017
Sep 18, 2017 1RP Total Absent 21703349AC 21703313AA 230 DIST-A Sep 20, 2017
Sep 18, 2017 1RP Total Absent 21703349AB 21703313AA 121 DIST-A Sep 20, 2017
Sep 18, 2017 1TG Total Absent 21703348AA 21703313AA WELL SRC-AA Sep 20, 2017
Sep 18, 2017 1RP Total POSITIVE 21703349AA 21703313AA 201 BLACKWELL DR. DIST-A Sep 19, 2017
RP E. coli Absent 21703349AA 21703313AA 201 BLACKWELL DR. DIST-A
Sep 14, 2017 1RT Total POSITIVE 21703313AA 201 BLACKWELL DR. DIST-A Sep 15, 2017
RT E. coli Absent 21703313AA 201 BLACKWELL DR. DIST-A
Apr 17, 2017 1RT Total Absent 21701284AA 121 DIST-A Apr 20, 2017
Feb 06, 2017 1RT Total Absent 21700394AA 201 DIST-A Feb 14, 2017
Oct 20, 2016 1RT Total Absent 21603816AA 121 DIST-A Nov 03, 2016
Aug 23, 2016 1RT Total Absent 21603003AA 121 DIST-A Sep 08, 2016
Jun 23, 2016 1RT Total Absent 21602124AA 121 DIST-A Jul 01, 2016
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date		Rejected
Reason
Mar 08, 2016 1RT Total Absent 21600725AC 201 BLACKWELL DIST-A Mar 17, 2016
Aug 12, 2015 1RT Total Absent 21503171AA 121 BLACKWELL DIST-A 2.00Sep 02, 2015
Apr 10, 2015 1RT Total Absent 21501467AA 201 BLACKWELL DIST-A 0.00Apr 17, 2015
Jan 26, 2015 1RT Total Absent 21500347AA 201 BLACKWELL DIST-A 0.50Feb 02, 2015
Dec 10, 2014 1RT Total Absent 21404800AA 121 BLACKWELL DIST-A Dec 17, 2014
Sep 22, 2014 1RT Total Absent 21403674AA 201 BLACKWELL DIST-A 0.00Oct 09, 2014
Jul 24, 2014 1RT Total Absent 21402801AE WELL HOUSE DIST-A 3.00Aug 04, 2014
Jul 24, 2014 1RT Total Absent 21402801AD 180 BLACKWELL DIST-A 3.50Aug 04, 2014
Jul 24, 2014 1RT Total Absent 21402801AC 230 BLACKWELL DIST-A Aug 04, 2014
Jul 24, 2014 1RT Total Absent 21402801AB 201 BLACKWELL DIST-A 3.50Aug 04, 2014
Jul 24, 2014 1RT Total Absent 21402801AA 121 BLACKWELL DIST-A 0.00Aug 04, 2014
Jun 26, 2014 1RP Total Absent 21402431AA 21402382AA 121 BLACKWELL DIST-A Jul 07, 2014
Jun 26, 2014 1RP Total POSITIVE 21402431AC 21402382AA 230 BLACKWELL DIST-A Jun 27, 2014
RP E. coli Absent 21402431AC 21402382AA 230 BLACKWELL DIST-A
Jun 26, 2014 1RP Total POSITIVE 21402431AB 21402382AA 201 BLACKWELL DIST-A Jun 27, 2014
RP E. coli Absent 21402431AB 21402382AA 201 BLACKWELL DIST-A
Jun 26, 2014 1TG Total POSITIVE 21402430AA 21402382AA WELL SRC-AA Jun 27, 2014
TG E. coli Absent 21402430AA 21402382AA WELL SRC-AA
Jun 23, 2014 1RT Total POSITIVE 21402382AA 201 BLACKWELL DIST-A Jun 26, 2014
RT E. coli Absent 21402382AA 201 BLACKWELL DIST-A
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date		Rejected
Reason
Mar 12, 2014 1RT Total Absent 21401014AA 201 BLACKWELL DIST-A Mar 14, 2014
Dec 02, 2013 1RT Total Absent 21305303AA 201 BLACKWELL DIST-A Dec 05, 2013
Jul 30, 2013 1RT Total Absent 21303337AA 121 BLACKWELL DIST-A Jul 31, 2013
May 28, 2013 1RT Total Absent 21302235AA 230 BLACKWELL DIST-A May 31, 2013
Jan 29, 2013 1RT Total Absent 21300377AE 201 BLACKWELL DIST-A Feb 01, 2013
Jan 29, 2013 1RT Total Absent 21300377AD 245 BLACKWELL DIST-A Feb 01, 2013
Jan 29, 2013 1RT Total Absent 21300377AC 230 BLACKWELL DIST-A Feb 01, 2013
Jan 29, 2013 1RT Total Absent 21300377AB 180 BLACKWELL DIST-A Feb 01, 2013
Jan 29, 2013 1RT Total Absent 21300377AA 121 BLACKWELL DIST-A Feb 01, 2013
Dec 12, 2012 1TG Total Absent 21204935AA 21204869AA WELL SRC-AA Dec 14, 2012
Dec 10, 2012 1RP Total POSITIVE 21204902AD 21204869AA 201 BLACKWELL DIST-A 0.00Dec 11, 2012
RP E. coli POSITIVE 21204902AD 21204869AA 201 BLACKWELL DIST-A 0.00
Dec 10, 2012 1RP Total POSITIVE 21204902AC 21204869AA 230 BLACKWELL DIST-A 0.00Dec 11, 2012
RP E. coli POSITIVE 21204902AC 21204869AA 230 BLACKWELL DIST-A 0.00
Dec 10, 2012 1RP Total POSITIVE 21204902AB 21204869AA 180 BLACKWELL DIST-A 0.00Dec 11, 2012
RP E. coli POSITIVE 21204902AB 21204869AA 180 BLACKWELL DIST-A 0.00
Dec 10, 2012 1RP Total POSITIVE 21204902AA 21204869AA 121 BLACKWELL DIST-A 0.00Dec 11, 2012
RP E. coli POSITIVE 21204902AA 21204869AA 121 BLACKWELL DIST-A 0.00
Dec 10, 2012 1AS Total POSITIVE 21204901AA WELL SRC-AA Dec 11, 2012
AS E. coli POSITIVE 21204901AA WELL 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
Dec 07, 2012 1RT Total POSITIVE 21204869AA 201 BLACKWELL DIST-A Dec 10, 2012
RT E. coli Absent 21204869AA 201 BLACKWELL DIST-A
Sep 10, 2012 1RT Total Absent 21203563AA 245 Blackwell Dr DIST-A 0.50Sep 18, 2012
Jun 25, 2012 1RT Total Absent 21202382AA Pumphouse DIST-A 0.50Jun 26, 2012
Mar 30, 2012 1RT Total Absent 21201161AA 180 Blackwell Dr. DIST-A 0.50Apr 02, 2012
Dec 23, 2011 1RT Total Absent 21104887AA Backyard Tenkate DIST-A 0.50Dec 24, 2011
Sep 30, 2011 1RT Total Absent 21103782AA Tenkate side of hous DIST-A 0.50Oct 03, 2011
Jun 30, 2011 1RT Total Absent 21102395AA Tenkate Garden DIST-A 0.50Jul 07, 2011
Mar 25, 2011 1RT Total Absent 21101113AA Pumphouse DIST-A 0.50Mar 30, 2011
Dec 21, 2010 1RT Total Absent 21005087AA Pumphouse DIST-A 0.50Dec 22, 2010
Oct 29, 2010 1RT Total Absent 21004358AA Pumphouse DIST-A 0.50Nov 01, 2010
Aug 26, 2010 1RT Total Absent 21003485AA Tenkate Garden DIST-A Aug 30, 2010
Aug 25, 2010 1RT Total Absent 21003446AA well tap DIST-A Aug 26, 2010
Aug 25, 2010 1RT Total Absent 21003447AC Tenkate Spout DIST-A 0.50Aug 26, 2010
Aug 25, 2010 1RT Total Absent 21003447AB Ripley Trees DIST-A 0.50Aug 26, 2010
Aug 25, 2010 1RT Total Absent 21003447AA Ripley Shop DIST-A 0.50Aug 26, 2010
Jul 02, 2010 1RP Total Absent 21002599AD 21002505AA Tenkate front yard DIST-A 0.50Jul 08, 2010
Jul 02, 2010 1RP Total Absent 21002599AC 21002505AA Ripley Forrest DIST-A 0.50Jul 08, 2010
Jul 02, 2010 1RP Total Absent 21002599AB 21002505AA Ripley Shop DIST-A 0.50Jul 08, 2010
Jul 02, 2010 1RP Total Absent 21002599AA 21002505AA Pumphouse DIST-A 0.50Jul 08, 2010
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date		Rejected
Reason
Jun 28, 2010 1RT Total POSITIVE 21002505AA well pumphouse DIST-A 0.50Jun 30, 2010
RT E. coli Absent 21002505AA well pumphouse DIST-A 0.50
Mar 22, 2010 1RT Total Absent 21001097AA Pumphouse DIST-A 0.50Mar 24, 2010
Jan 29, 2010 1RT Total Absent 21000348AC 180 Blackwell Dr DIST-A Feb 01, 2010
Jan 28, 2010 1RT Total Absent 21000348AE 245 Blackwell Dr Bat DIST-A Feb 01, 2010
Jan 28, 2010 1RT Total Absent 21000348AD 245 Blackwell Dr Uti DIST-A Feb 01, 2010
Jan 28, 2010 1RT Total Absent 21000348AB pumphouse DIST-A Feb 01, 2010
Jan 28, 2010 1RT Total Absent 21000348AA 245 Blackwell Dr Bat DIST-A Feb 01, 2010
Dec 30, 2009 1RP Total Absent 20904377AE 20904355AA Pump House DIST-A Dec 31, 2009
Dec 30, 2009 1RP Total Absent 20904377AD 20904355AA 245 Blackwell Dr. Ut DIST-A Dec 31, 2009
Dec 30, 2009 1RP Total Absent 20904377AC 20904355AA 245 Blackwell Dr. Ba DIST-A Dec 31, 2009
Dec 30, 2009 1RP Total Absent 20904377AB 20904355AA 180 Blackwell Dr. DIST-A Dec 31, 2009
Dec 30, 2009 1RP Total Absent 20904377AA 20904355AA 245 Blackwell Dr Bat DIST-A Dec 31, 2009
Dec 28, 2009 1RT Total POSITIVE 20904355AA 180 blackwell dr DIST-A Dec 29, 2009
RT E. coli Absent 20904355AA 180 blackwell dr DIST-A
Sep 29, 2009 1RT Total Absent 20903352AA 180 Blackwell Dr DIST-A 0.50Oct 01, 2009
Mar 30, 2009 1RT Total Absent 20900934AA 180 BLACKWELL DRIVE DIST-A 0.50Apr 01, 2009
Dec 29, 2008 1RT Total Absent 081258501A PUMP HOUSE DIST-A Jan 02, 2009
Sep 29, 2008 1RT Total Absent 20803402AA PUMPHOUSE DIST-A 0.50Oct 01, 2008
Jun 29, 2008 1RT Total Absent 20902047AA 180 BLACKWELL DR DIST-A 0.03Jul 06, 2009
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date		Rejected
Reason
Jun 26, 2008 1RT Total Absent 20802107AA PUMP HOUSE DIST-A 0.50Jul 01, 2008
Mar 27, 2008 1RT Total Absent 20800943AA NP DIST-A Apr 01, 2008
Jan 01, 2008 1RT Total Absent 20800003AA WELL TAP DIST-A Jan 03, 2008
Sep 30, 2007 1RT Total Absent 20703594AA WELL TAP DIST-A Oct 02, 2007
Jul 01, 2007 1RT Total Absent 20702255AA PUMPHOUSE DIST-A Jul 05, 2007
Apr 24, 2007 1RT Total Absent 20701356AA WELL TAP DIST-A Apr 26, 2007
Jan 24, 2007 1RT Total Absent 20700298AA PUMPHOUSE DIST-A Jan 26, 2007
Oct 30, 2006 1RT Total Absent 20600797AE FORREST LAWN DIST-A 0.05Nov 01, 2006
Oct 30, 2006 1RT Total Absent 20600797AD GARDEN PATIO DIST-A 0.05Nov 01, 2006
Oct 30, 2006 1RT Total Absent 20600797AC SHOP (TOP) DIST-A 0.05Nov 01, 2006
Oct 30, 2006 1RT Total Absent 20600797AB RV PAD DIST-A 0.05Nov 01, 2006
Oct 30, 2006 1RT Total Absent 20600797AA PUMPHOUSE DIST-A 0.05Nov 01, 2006
Sep 15, 2006 1RT Total POSITIVE 20600179AB BLACKWELL WATER SYST DIST-A 0.00Sep 18, 2006
RT E. coli Absent 20600179AB BLACKWELL WATER SYST DIST-A 0.00
Jun 27, 2006 1RT Total Absent 263613 DIST-A Jul 07, 2006
Mar 30, 2006 1RT Total Absent 262342 DIST-A Apr 13, 2006
Dec 21, 2005 1RT Total Absent 255778 DIST-A Jan 18, 2006
Sep 29, 2005 1RT Total Absent 354465 DIST-A Oct 05, 2005
Jun 29, 2005 1RT Total Absent 252686 DIST-A Aug 29, 2005
Mar 29, 2005 1RT Total Absent 251245 DIST-A Apr 15, 2005
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date		Rejected
Reason
Jun 28, 2004 1RT Total Absent 040666701A DIST-A Jul 06, 2004
Mar 18, 2004 1RT Total Absent 040338701A DIST-A Mar 26, 2004
Sep 30, 2003 1RT Total Absent 031000301A DIST-A Oct 08, 2003
Mar 11, 2003 1RT Total Absent 030318801A DIST-A Mar 27, 2003
Dec 18, 2002 1RT Total Absent 021238201A DIST-A Dec 30, 2002
Sep 29, 2002 1RT Total Absent 020957401A DIST-A Oct 08, 2002
Jun 20, 2002 1RT Total Absent 020638401A DIST-A
Mar 24, 2002 1RT Total Absent 020340601A DIST-A Apr 01, 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:  Show special samples  ::  Hide rejected samples  ::  Exclude results older than 2022


More information for this water system: SDWIS ID 539
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