OHA Drinking Water Services
OR41
PWS ID: 01071 ---- HIDDEN HILLS WATER COMPANY
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  ::  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
Jun 11, 2025 1RT Total Absent 5162014-01 EXT SPIGOT DIST-A 0.00Jun 18, 2025
Mar 26, 2025 1RT Total Absent 5085031-01 EXT SPIGOT DIST-A 0.20Mar 31, 2025
Dec 23, 2024 1RT Total Absent 4358028-01 EXT SPIGOT DIST-A 0.00Dec 30, 2024
Sep 25, 2024 1RT Total Absent 4269021-01 EXT SPIGOT DIST-A 0.20Oct 07, 2024
Jun 26, 2024 1RT Total Absent 4178031-01 EXT SPIGOT DIST-A 0.20Jun 28, 2024
Mar 27, 2024 1RT Total Absent 4087034-01 EXT FAUCET DIST-A 0.20Apr 02, 2024
Dec 27, 2023 1RT Total Absent 3361023-01 EXT FAUCET DIST-A 0.20Jan 05, 2024
Sep 27, 2023 1AS Total Absent 3270051-02 WELL SRC-AA Sep 29, 2023
Sep 27, 2023 1RT Total Absent 3270051-01 EXT FAUCET DIST-A 0.40Sep 29, 2023
Jun 28, 2023 1RT Total Absent 3179037-01 EXTERIOR FAUCET DIST-A 0.20Jul 05, 2023
Mar 22, 2023 1RT Total Absent 3081028-01 EXTERIOR FAUCET DIST-A 0.00Mar 23, 2023
Dec 21, 2022 1TG Total Absent 2355032-01 2348062-01 WELL HOUSE SRC-AA Dec 30, 2022
Dec 14, 2022 1RT Total Absent 2348062-02 DIST-A 0.00Dec 15, 2022
Dec 14, 2022 1AS Total POSITIVE 2348062-01 WELL SRC-AA Dec 15, 2022
AS E. coli Absent 2348062-01 WELL SRC-AA
Sep 28, 2022 1RT Total Absent 2271034-01 EXTERIOR FAUCET DIST-A 0.60Sep 30, 2022
Jun 22, 2022 1RT Total Absent 2173049-01 EXTERIOR FAUCET DIST-A 0.60Jul 03, 2022
Mar 30, 2022 1RT Total Absent 2089025-01 FRONT EXTERIOR FAUCE DIST-A 0.10Apr 01, 2022
Oct 27, 2021 1AS Total Absent 1300048-02 CEMENT GROUND HB SRC-AA Oct 29, 2021
Oct 27, 2021 1RT Total Absent 1300048-01 HOUSE S.H.B DIST-A 0.50Oct 29, 2021
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Sep 08, 2021 1RT Total Absent 1251054-01 HOUSE S.H.B DIST-A 0.50Sep 21, 2021
Jun 16, 2021 1RT Total Absent 1167038-01 HOUSE S.H.B DIST-A Jun 28, 2021
Jan 13, 2021 1RT Total Absent 1013035-01 HOUSE S.H.B DIST-A 0.50Jan 20, 2021
Nov 18, 2020 1RT Total Absent 0323070-01 HOUSE S.H.B DIST-A 0.20Dec 04, 2020
Aug 26, 2020 1RT Total Absent 0239044-02 HOUSE S.H.B DIST-A 0.30Aug 31, 2020
Aug 26, 2020 1AS Total Absent 0239044-01 WELL HB SRC-AA Aug 31, 2020
May 13, 2020 1RT Total Absent 0134060-01 HOUSE S.H.B DIST-A 0.40Jun 01, 2020
Jan 15, 2020 1RT Total Absent 0015060-01 GARAGE S.H.B DIST-A 0.30Jan 21, 2020
Nov 06, 2019 1RT Total Absent 9310075-01 HOUSE S.H.B DIST-A 0.20Nov 21, 2019
Sep 04, 2019 1RT Total Absent 9247086-01 HOUSE S.H.B DIST-A 0.60Sep 17, 2019
Sep 04, 2019 1AS Total POSITIVE 924708201 WELL HB SRC-AA Sep 05, 2019
AS E. coli Absent 924708201 WELL HB SRC-AA
Apr 17, 2019 1RT Total Absent 9107073-01 HOUSE S.H.B DIST-A 0.30Apr 26, 2019
Feb 20, 2019 1RT Total Absent 9051059-01 HOUSE S.H.B DIST-A 0.20Mar 07, 2019
Nov 07, 2018 1AS Total Absent 8311084-01 PUMP HOUSE GROUND ST SRC-AA Nov 14, 2018
Nov 07, 2018 1RT Total Absent 8311082-01 GARAGE S.H.B DIST-A Nov 14, 2018
Aug 22, 2018 1RT Total Absent 8234073-01 FRONT HOSE HB DIST-A 0.30Aug 30, 2018
Jun 27, 2018 1RT Total Absent 8178050-01 HOUSE S.H.B DIST-A Jul 05, 2018
Jan 24, 2018 1RT Total Absent 8024037-01 HOUSE S.H.B DIST-A 0.30Jan 30, 2018
Nov 01, 2017 1RT Total Absent 7305075-01 HOUSE S.H.B DIST-A Nov 09, 2017
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Oct 04, 2017 1AS Total Absent 7277063-01 PUMP HOUSE GROUND HB SRC-AA Oct 09, 2017
Aug 30, 2017 1RT Total Absent 7242034-01 HOUSE S.H.B DIST-A 0.50Sep 07, 2017
Apr 19, 2017 1RT Total Absent 7109052-01 HOUSE S.H.B DIST-A Apr 24, 2017
Feb 22, 2017 1RT Total Absent 7053031-01 HOUSE S.H.B DIST-A Feb 24, 2017
Dec 16, 2016 1AS Total Absent 6351013-01 PUMP HOUSE HB SRC-AA Dec 28, 2016
Nov 30, 2016 1RT Total Absent 6335027-01 HOUSE S.H.B DIST-A Dec 02, 2016
Sep 21, 2016 1RT Total Absent 6265029-01 HOUSE N.H.B DIST-A Sep 23, 2016
May 18, 2016 1RT Total Absent 6139033-01 HOUSE S.H.B DIST-A 0.20May 20, 2016
Feb 17, 2016 1RT Total Absent 593124 HOUSE S.H.B DIST-A Feb 22, 2016
Nov 25, 2015 1RT Total Absent 588980 HOUSE S.H.B DIST-A Dec 02, 2015
Nov 25, 2015 1AS Total Absent 588979 WELL HB SRC-AA Dec 02, 2015
Aug 19, 2015 1RT Total Absent 584404 HOUSE S.H.B. DIST-A Aug 20, 2015
Apr 22, 2015 1RT Total Absent 578836 HOUSE S.H.B DIST-A Apr 27, 2015
Jan 21, 2015 1RT Total Absent 574716 HOUSE W.H.B DIST-A 0.40Jan 29, 2015
Dec 26, 2014 1AS Total Absent 573664 BLUE HANDLE HB SRC-AA Dec 30, 2014
Oct 08, 2014 1RT Total Absent 569906 HOUSE S.H.B DIST-A 0.60Oct 15, 2014
Aug 06, 2014 1RT Total Absent 567033 HOUSE S.H.B DIST-A 0.40Aug 11, 2014
Apr 09, 2014 1RT Total Absent 561846 HOUSE S.H.B DIST-A Apr 15, 2014
Jan 22, 2014 1RT Total Absent 558389 HOUSE S.H.B DIST-A Jan 27, 2014
Dec 27, 2013 1AS Total POSITIVE 557302 WELL SRC-AA Dec 30, 2013
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
AS E. coli Absent 557302 WELL SRC-AA
Oct 09, 2013 1RP Total Absent 553797 553520 HOUSE FORNT S.H.B. DIST-A 0.50Oct 14, 2013
Oct 08, 2013 1RP Total Absent 553798 553520 HOUSE FRONT S.H.B DIST-A 0.50Oct 14, 2013
Oct 08, 2013 1RP Total Absent 553796 553520 GARAGE E.H.B DIST-A 0.20Oct 14, 2013
Oct 08, 2013 1RP Total Absent 553795 553520 HOUSE FRONT S.H.B DIST-A Oct 14, 2013
Oct 08, 2013 1RP Total Absent 553794 553520 HOUSE FRONT S.H.B DIST-A Oct 14, 2013
Oct 04, 2013 1RT Total POSITIVE 553520 HOUSE FRONT S.H.B. DIST-A 0.00Oct 07, 2013
RT E. coli POSITIVE 553520 HOUSE FRONT S.H.B. DIST-A 0.00
Jul 31, 2013 1RT Total Absent 550394 FRONT S.H.B DIST-A Aug 02, 2013
Apr 03, 2013 1RT Total Absent 545211 HOUSE FRONT S HB DIST-A 0.70Apr 18, 2013
Jan 11, 2013 1RT Total Absent 541477 HOUSE S SIDE DIST-A Jan 15, 2013
Nov 02, 2012 1RT Total Absent 538529 HOUSE FRONT HB DIST-A 0.20Nov 05, 2012
Jul 20, 2012 1RT Total Absent 533046 FRONT HOUSE HB DIST-A 0.40Jul 24, 2012
Apr 06, 2012 1RT Total Absent 527596 HOUSE HB DIST-A Apr 09, 2012
Jan 13, 2012 1RT Total Absent 523675 14750 SW HIDDEN HILL DIST-A 0.50Jan 16, 2012
Oct 17, 2011 1RT Total Absent 519157 14750SW HIDDEN HILLS DIST-A 0.50Oct 24, 2011
Aug 26, 2011 1RT Total Absent 516324 FRONT HB DIST-A 0.30Aug 29, 2011
Jun 29, 2011 1RT Total Absent 512906 FRONT HB DIST-A Jul 07, 2011
Mar 23, 2011 1RT Total Absent 507630 HB DIST-A 0.20Mar 28, 2011
Dec 06, 2010 1RT Total Absent 501098 HB #14755 DIST-A 0.20Dec 13, 2010
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Sep 22, 2010 1RT Total Absent 496509 HB DIST-A 0.10Sep 27, 2010
Jun 29, 2010 1RT Total Absent 490949 HOSE BIB - FRONT DIST-A 0.10Jul 02, 2010
Feb 10, 2010 1RT Total Absent 482480 HB front of house DIST-A Feb 16, 2010
Oct 02, 2009 1RT Total Absent 474743 14750 H.B. DIST-A 0.61Oct 12, 2009
Aug 19, 2009 1RT Total Absent 472223 14750 HB DIST-A 0.77Aug 24, 2009
May 22, 2009 1RT Total Absent 467004 14750 HB DIST-A 0.33May 27, 2009
Jan 28, 2009 1RT Total Absent 460556 14750 HB DIST-A 0.04Feb 02, 2009
Oct 01, 2008 1RT Total Absent 453834 14750 HB DIST-A 0.30Oct 08, 2008
Jul 18, 2008 1RT Total Absent 449573 HOUSE HB DIST-A 0.10Jul 21, 2008
Apr 18, 2008 1RT Total Absent 444607 14750 HB DIST-A 0.00Apr 21, 2008
Jan 02, 2008 1RT Total Absent 438851 14750 HB DIST-A 0.10Jan 07, 2008
Oct 03, 2007 1RT Total Absent 434640 14750 HB DIST-A 0.10Oct 09, 2007
Jul 13, 2007 1RT Total Absent 430303 14750 HB DIST-A 0.20Jul 16, 2007
Apr 27, 2007 1RT Total Absent 426118 GREEN HOUSE DIST-A 0.20Apr 30, 2007
Jan 26, 2007 1RT Total Absent 421405 HB DIST-A 0.05Jan 29, 2007
Dec 13, 2006 1RT Total Absent 419484 14750- GREEN HOUSE DIST-A Dec 18, 2006
Sep 08, 2006 1RT Total Absent 414415 14750 DIST-A 0.00Sep 12, 2006
May 10, 2006 1RT Total Absent 408063 14750 DIST-A 0.00May 16, 2006
Mar 24, 2006 1RT Total Absent 405385 14750 DIST-A 0.00Mar 29, 2006
Oct 07, 2005 1RT Total Absent 396745 FRONT OUTSIDE FAUCET DIST-A Oct 10, 2005
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Aug 05, 2005 1RT Total Absent 393088 FRONT OUTSIDE FAUCET DIST-A Aug 09, 2005
May 06, 2005 1RT Total Absent 387762 14750 HIDDEN HILLS R DIST-A 0.00May 09, 2005
Feb 23, 2005 1RT Total Absent 383868 14750 DIST-A 0.00Feb 28, 2005
Dec 29, 2004 1RT Total Absent 380777 OUTSIDE FAUCET DIST-A 0.00Jan 03, 2005
Aug 13, 2004 1RT Total Absent 373539 OUTSIDE FAUCET DIST-A 0.10Aug 16, 2004
May 26, 2004 1RT Total Absent 368942 OUTSIDE FAUCET DIST-A Jun 01, 2004
Feb 25, 2004 1RT Total Absent 363776 OUTSIDE FAUCET DIST-A Mar 01, 2004
Sep 25, 2003 1RT Total Absent 355922 DIST-A Nov 12, 2003
May 21, 2003 1RT Total Absent 348938 DIST-A May 27, 2003
Feb 26, 2003 1RT Total Absent 344427 DIST-A Mar 03, 2003
Oct 16, 2002 1RT Total Absent 20020798 14750 HIDDEN HILLS R DIST-A Oct 22, 2002
Jul 08, 2002 1RT Total Absent 20020508 14750 Hidden Hills R DIST-A
May 21, 2002 1RT Total Absent 20020366 14750 Hidden Hills R DIST-A May 29, 2002
Feb 06, 2002 1RT Total Absent 20020105 14750 Hidden Hills R DIST-A Feb 25, 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  ::  Show rejected samples  ::  Exclude results older than 2022


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