OHA Drinking Water Services
OR41
PWS ID: 00558 ---- CHEHALEM VALLEY WATER ASSN
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
May 09, 2025 1RT Total Absent 5129024-01 HOSE BIB DIST-A 0.12May 23, 2025
Apr 15, 2025 1RT Total Absent 5106004-01 315 COLUMBIA DR DIST-A Apr 25, 2025
Apr 11, 2025 1RT Total Absent 5101014-01 HOSE BIB DIST-A 0.19Apr 14, 2025
Feb 03, 2025 1RT Total Absent 5035010-01 HOSE BIB DIST-A 0.27Feb 19, 2025
Jan 06, 2025 1RT Total Absent 5007006-01 HOSE BIB DIST-A 0.16Jan 24, 2025
Dec 16, 2024 1RT Total Absent 4352006-01 HOSE BIB DIST-A 0.11Dec 24, 2024
Dec 02, 2024 1RT Total Absent 4338005-01 HOSE BIB DIST-A 0.01Dec 09, 2024
Nov 04, 2024 1RT Total Absent 4310002-01 HOSE BIB DIST-A 0.13Nov 08, 2024
Oct 07, 2024 1RT Total Absent 4282013-01 315 COLUMBIA DR DIST-A 0.20Oct 18, 2024
Sep 04, 2024 1RT Total Absent 4249017-01 SPIGOT DIST-A 0.28Sep 20, 2024
Sep 04, 2024 1RT Total Absent 4249005-01 HOSE BIB DIST-A 1.22Sep 20, 2024
Aug 15, 2024 1RT Total Absent 4229013-01 HOSE BIB DIST-A 0.28Sep 05, 2024
Jul 08, 2024 1RT Total Absent 4191015-01 315 COLUMBIA DIST-A 0.32Jul 17, 2024
Jun 04, 2024 1RT Total Absent 4157005-01 315 COLUMBIA DIST-A 0.22Jun 14, 2024
May 08, 2024 1RT Total Absent 4130013-01 315 COLUMBIA DIST-A 0.02May 14, 2024
Apr 02, 2024 1RT Total Absent 4094004-01 315 COLUMBIA DIST-A 0.20Apr 05, 2024
Mar 25, 2024 1RT Total Absent 4085024-01 315 COLUMBIA DR DIST-A 0.22Apr 02, 2024
Feb 12, 2024 1RT Total Absent 4044015-01 315 COLUMBIA DIST-A 0.51Feb 23, 2024
Jan 03, 2024 1RT Total Absent 4004006-01 FAUCET DIST-A 0.35Jan 12, 2024
Dec 11, 2023 1RT Total Absent 3346015-01 FAUCET DIST-A 0.29Jan 04, 2024
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Nov 21, 2023 1RT Total Absent 3326007-01 SPIGOT DIST-A 0.30Dec 04, 2023
Oct 05, 2023 1RT Total Absent 3279013-01 FAUCET DIST-A 0.15Oct 10, 2023
Sep 06, 2023 1RT Total Absent 3250013-01 FAUCET DIST-A 0.24Sep 19, 2023
Aug 02, 2023 1RT Total Absent 3215004-01 HOSEBIB DIST-A 0.32Aug 16, 2023
Jul 06, 2023 1RT Total Absent 3188005-01 GARAGE SPIGOT DIST-A Jul 25, 2023
Jun 01, 2023 1RT Total Absent 3153005-01 HOSE BIB DIST-A 0.61Jun 16, 2023
May 03, 2023 1RT Total Absent 3123100-01 FAUCET DIST-A 0.32May 26, 2023
Apr 05, 2023 1RT Total Absent 3095035-01 311 COLUMBIA AVE DIST-A 0.68Apr 11, 2023
Mar 02, 2023 1RT Total Absent 3061036-01 TEST PORT DIST-A Mar 06, 2023
Feb 07, 2023 1RT Total Absent 3039014-01 HOSE DIST-A 0.89Feb 17, 2023
Jan 03, 2023 1RT Total Absent 3004034-01 HOSE DIST-A 0.36Jan 24, 2023
Dec 07, 2022 1RT Total Absent 2342049-01 SPIGOT DIST-A 0.05Dec 20, 2022
Nov 02, 2022 1RT Total Absent 2307019-01 HOSE DIST-A 0.12Nov 17, 2022
Oct 04, 2022 1RT Total Absent 2278006-01 HOSE DIST-A 0.40Oct 10, 2022
Sep 08, 2022 1RT Total Absent 2251045-01 HOSE DIST-A 0.27Sep 19, 2022
Aug 02, 2022 1RT Total Absent 2214092-01 115 COLUMBIA DIST-A 0.74Aug 11, 2022
Jul 01, 2022 1RT Total Absent 2182015-01 316 COLUMBIA DIST-A 0.21Jul 07, 2022
Jun 02, 2022 1RT Total Absent 2153039-01 HOSE DIST-A 0.34Jun 10, 2022
May 03, 2022 1RT Total Absent 2124007-01 HOSE DIST-A 0.20May 13, 2022
Apr 05, 2022 1RT Total Absent 2096010-01 HOUSE SPIGOT DIST-A 0.13Apr 15, 2022
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Mar 11, 2022 1RT Total Absent 2070025-01 HOSE DIST-A 0.20Mar 18, 2022
Feb 01, 2022 1RT Total Absent 2033049-01 HOSE DIST-A 0.44Feb 07, 2022
Jan 05, 2022 1RT Total Absent 2006012-01 115 COLUMBIA DIST-A 0.04Jan 21, 2022
Dec 01, 2021 1RT Total Absent 1335037-01 HOSE DIST-A 0.23Dec 10, 2021
Nov 04, 2021 1RT Total Absent 1309010-01 HOSE DIST-A 0.07Nov 12, 2021
Oct 04, 2021 1RT Total Absent 1278004-01 316 COLUMBIA DIST-A 0.24Oct 15, 2021
Sep 01, 2021 1RT Total Absent 1245012-01 115 COLUMBIA DIST-A 0.20Sep 14, 2021
Aug 19, 2021 1RT Total Absent 1231030-01 316 COLUMBIA DIST-A 0.24Sep 02, 2021
Jul 13, 2021 1RT Total Absent 1195008-01 115 COLUMBIA DIST-A 0.53Jul 29, 2021
Jun 29, 2021 1RT Total Absent 1181011-01 115 COLUMBIA DIST-A 0.30Jul 08, 2021
May 27, 2021 1RT Total Absent 1148003-01 HOSE DIST-A 0.30Jun 04, 2021
Apr 29, 2021 1RT Total Absent 1119024-01 HOSE DIST-A 0.10May 03, 2021
Mar 25, 2021 1RT Total Absent 1085004-01 HOSE DIST-A 0.16Apr 01, 2021
Mar 10, 2021 1RT Total Absent 1070029-01 HOSE DIST-A 0.20Apr 02, 2021
Feb 16, 2021 1RT Total Absent 1048009-01 HOSE DIST-A 0.20Mar 01, 2021
Jan 07, 2021 1RT Total Absent 1008003-01 HOSE DIST-A 0.20Jan 20, 2021
Dec 30, 2020 1RT Total Absent 0365005-01 SPIGOT DIST-A Jan 07, 2021
Nov 09, 2020 1RT Total Absent 0314024-01 HOSE DIST-A 0.24Nov 20, 2020
Oct 16, 2020 1RT Total Absent 0290033-01 HOSE DIST-A 0.39Oct 27, 2020
Sep 28, 2020 1RT Total Absent 0273010-01 HOSE DIST-A 0.36Oct 06, 2020
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Aug 04, 2020 1RT Total Absent 0218003-01 HOSE DIST-A 0.24Aug 20, 2020
Jul 20, 2020 1RT Total Absent 0203008-01 HOSE DIST-A 0.20Jul 31, 2020
Jun 03, 2020 1RT Total Absent 0156005-01 HOSE DIST-A 0.20Jun 12, 2020
May 07, 2020 1RT Total Absent 0129004-01 HOSE DIST-A 0.22May 18, 2020
Apr 08, 2020 1RT Total Absent 0099021-01 HOSE DIST-A 0.20Apr 14, 2020
Mar 03, 2020 1RT Total Absent 0064006-01 115 COLUMBIA DIST-A 0.22Mar 13, 2020
Feb 03, 2020 1RT Total Absent 0035001-01 115 COLUMBIA DIST-A 0.43Feb 19, 2020
Jan 06, 2020 1RT Total Absent 0007007-01 HOSE DIST-A 0.20Jan 16, 2020
Dec 10, 2019 1RT Total Absent 9344066-01 HOSE DIST-A 2.00Dec 30, 2019
Nov 13, 2019 1RT Total Absent 9317029-01 316 COLUMBIA DIST-A 0.06Nov 26, 2019
Oct 08, 2019 1RT Total Absent 9281077-01 HOSE DIST-A Oct 14, 2019
Sep 23, 2019 1RP Total Absent 9267002-03 926302501 316 COLUMBIA DIST-A 0.83Sep 27, 2019
Sep 23, 2019 1RP Total Absent 9267002-02 926302501 1801 CHEHALEM DIST-A 0.69Sep 27, 2019
Sep 23, 2019 1RP Total Absent 9267002-01 926302501 115 COLUMBIA DIST-A 0.91Sep 27, 2019
Sep 19, 2019 1RT Total POSITIVE 926302501 115 COLUMBIA HOSE DIST-A 0.07Sep 23, 2019
RT E. coli Absent 926302501 115 COLUMBIA HOSE DIST-A 0.07
Aug 15, 2019 1RT Total Absent 9227027-01 HOSE DIST-A 0.26Aug 20, 2019
Jul 25, 2019 1RT Total Absent 9206024-01 HOSE DIST-A 0.30Aug 05, 2019
Jun 03, 2019 1RT Total Absent 9154031-01 115 COLUMBIA DIST-A 0.05Jun 14, 2019
May 06, 2019 1RT Total Absent 9126025-01 115 COLUMBIA DIST-A May 22, 2019
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Apr 09, 2019 1RT Total Absent 9100006-01 115 COLUMBIA DIST-A 0.27Apr 26, 2019
Mar 19, 2019 1RT Total Absent 9079013-01 316 COLUMBIA DIST-A 0.54Mar 28, 2019
Feb 12, 2019 1RT Total Absent 9044007-01 HOSE DIST-A 0.49Feb 22, 2019
Jan 15, 2019 1RT Total Absent 9016011-01 HOSE DIST-A 0.51Jan 29, 2019
Dec 10, 2018 1RT Total Absent 8345009-01 HOSE DIST-A 0.45Dec 21, 2018
Nov 02, 2018 1RT Total Absent 8306029-01 HOSE DIST-A Nov 14, 2018
Oct 22, 2018 1RT Total Absent 8296019-01 316 COLUMBIA DIST-A 0.64Oct 26, 2018
Sep 21, 2018 1RT Total Absent 8264010-01 HOSE DIST-A 0.24Oct 02, 2018
Aug 27, 2018 1RT Total Absent 8239065-01 HOSE DIST-A 0.55Sep 07, 2018
Jul 02, 2018 1RT Total Absent 8184029-01 HOSE DIST-A 0.87Jul 19, 2018
Jun 04, 2018 1RT Total Absent 8156040-01 HOSE DIST-A 0.40Jun 15, 2018
May 01, 2018 1RT Total Absent 8122012-01 HOSE DIST-A 0.56May 09, 2018
May 01, 2018 1RT Total Absent 812201201 DIST-A 0.56May 07, 2018
Apr 02, 2018 1RT Total Absent 8093014-01 HOSE DIST-A 0.94Apr 13, 2018
Mar 05, 2018 1RT Total Absent 8064022-01 HOSE DIST-A 0.48Mar 09, 2018
Feb 01, 2018 1RT Total Absent 8033007-01 HOSE DIST-A 0.10Feb 13, 2018
Jan 23, 2018 1RT Total Absent 8024024-01 HOSE DIST-A 0.40Jan 30, 2018
Dec 04, 2017 1RT Total Absent 7339002-01 HOSE DIST-A 0.48Dec 11, 2017
Nov 03, 2017 1RT Total Absent 7307044-01 1801 NE CHEHALEM DR DIST-A 0.20Nov 21, 2017
Oct 06, 2017 1RT Total Absent 7279021-01 HOSE DIST-A 0.28Oct 13, 2017
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Sep 07, 2017 1RT Total Absent 7251002-01 HOSE DIST-A 0.64Sep 15, 2017
Aug 24, 2017 1RT Total Absent 7237003-01 HOSE DIST-A 0.39Sep 07, 2017
Jul 06, 2017 1RT Total Absent 7188011-01 HOSE DIST-A 0.67Jul 20, 2017
Jun 05, 2017 1RT Total Absent 7156022-01 1901 NE CHEHALEM DR DIST-A 0.81Jun 12, 2017
May 03, 2017 1RT Total Absent 7123041-01 1901 NE CHEHALEM DR DIST-A 0.91May 05, 2017
Apr 07, 2017 1RT Total Absent 7097026-01 1901 NE CHEHALEM DR DIST-A 0.21Apr 10, 2017
Mar 02, 2017 1RT Total Absent 7062004-01 HOSE DIST-A 0.20Mar 10, 2017
Feb 20, 2017 1RT Total Absent 7052006-01 1901 NE CHEHALEM DR DIST-A 0.32Feb 23, 2017
Jan 16, 2017 1RT Total Absent 7017004-01 1901 NE CHEHALEM DR DIST-A 0.21Jan 20, 2017
Dec 05, 2016 1RT Total Absent 6341005-01 1801 NE CHEHALEM DR DIST-A 0.21Dec 28, 2016
Nov 08, 2016 1RT Total Absent 6313072-01 1901 NE CHEHALEM DR DIST-A 0.21Nov 10, 2016
Oct 12, 2016 1RT Total Absent 6286039-01 1801 NE CHEHALEM DR DIST-A 0.21Oct 21, 2016
Sep 09, 2016 1RT Total Absent 6253029-01 1801 NE CHEHALEM DR DIST-A 0.21Sep 16, 2016
Aug 08, 2016 1RT Total Absent 6222003-01 1801 NE CHEHALEM DR DIST-A 0.21Aug 26, 2016
Jul 08, 2016 1RT Total Absent 6190046-01 1801 NE CHEHALEM DR DIST-A 0.31Jul 15, 2016
Jun 02, 2016 1RT Total Absent 6155028-01 1801 NE CHEHALEM DR DIST-A 0.21Jun 13, 2016
May 05, 2016 1RT Total Absent 6127003-01 1801 NE CHEHALEM DR DIST-A 0.21May 11, 2016
Apr 08, 2016 1RT Total Absent 595256 1405 NE CHEHALEM DR DIST-A 0.20Apr 15, 2016
Mar 03, 2016 1RT Total Absent 593785 1801 CHEHALEM VALLEY DIST-A 0.20Mar 18, 2016
Feb 04, 2016 1RT Total Absent 592509 1801 CHEHALEM VALLEY DIST-A 0.20Feb 12, 2016
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Jan 07, 2016 1RT Total Absent 591141 1801 CHEHALEM VALLEY DIST-A 0.20Jan 19, 2016
Dec 16, 2015 1RT Total Absent 589986 HOUSE E.H.B DIST-A 0.30Dec 30, 2015
Nov 13, 2015 1RT Total Absent 588388 GARAGE S.H.B DIST-A 0.40Nov 19, 2015
Oct 14, 2015 1RT Total Absent 586923 DIST-A 0.10Oct 15, 2015
Oct 14, 2015 1RT Total Absent 586922 DIST-A 0.10Oct 15, 2015
Oct 14, 2015 1RT Total Absent 586919 DIST-A 0.10Oct 15, 2015
Sep 03, 2015 1RP Total Absent 585095 585016 1500 NE CHEHALEM DR DIST-A 0.37Sep 15, 2015
Sep 03, 2015 1RP Total Absent 585094 585016 1400 NE CHEHALEM DR DIST-A 0.20Sep 15, 2015
Sep 03, 2015 1RP Total Absent 585093 585016 1405 NE CHEHALEM DR DIST-A 0.20Sep 15, 2015
Sep 03, 2015 1RP Total Absent 585092 585016 316 COLUMBIA DR DIST-A 0.48Sep 15, 2015
Sep 03, 2015 1RP Total Absent 585091 585016 1801 NE CHEHALEM DR DIST-A 0.20Sep 15, 2015
Sep 02, 2015 1RT Total POSITIVE 585016 1405 NE CEHALEM RD N HB DIST-A 0.40Sep 03, 2015
RT E. coli POSITIVE 585016 1405 NE CEHALEM RD N HB DIST-A 0.40
Aug 12, 2015 1RT Total Absent 584092 HOUSE E.H.B DIST-A 0.70Aug 14, 2015
Jul 08, 2015 1RT Total Absent 582295 OUTSIDE E. H.B. DIST-A 0.50Jul 15, 2015
Jun 10, 2015 1RT Total Absent 581197 HOUSE W.H.B DIST-A 0.40Jun 15, 2015
May 13, 2015 1RT Total Absent 579851 HOUSE S.H.B DIST-A 1.00May 19, 2015
Apr 08, 2015 1RT Total Absent 578149 PATIO E.H.B DIST-A 0.50Apr 10, 2015
Mar 18, 2015 1RT Total Absent 577308 HOUSE N.H.B DIST-A 0.80Mar 24, 2015
Feb 04, 2015 1RT Total Absent 575313 HOUSE S.H.B DIST-A 0.30Feb 10, 2015
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Jan 02, 2015 1RT Total Absent 573750 HOUSE E.H.B DIST-A Jan 13, 2015
Dec 03, 2014 1RT Total Absent 572493 HOUSE E.H.B DIST-A 0.40Dec 10, 2014
Nov 12, 2014 1RT Total Absent 571556 HOUSE N.H.B DIST-A 0.20Nov 14, 2014
Oct 01, 2014 1RT Total Absent 569500 HOUSE E.H.B DIST-A 0.90Oct 08, 2014
Sep 03, 2014 1RT Total Absent 568313 HOUSE W.H.B DIST-A 0.70Sep 09, 2014
Aug 20, 2014 1RT Total Absent 567729 HOUSE E.H.B DIST-A 1.20Aug 22, 2014
Jul 30, 2014 1RT Total Absent 566670 HOUSE N.H.B DIST-A 0.80Aug 01, 2014
Jun 18, 2014 1RT Total Absent 564876 HOUSE W.H.B DIST-A Jun 23, 2014
May 07, 2014 1RT Total Absent 562921 HOUSE E.H.B DIST-A May 12, 2014
Apr 02, 2014 1RT Total Absent 561474 HOUSE E.H.B DIST-A Apr 07, 2014
Mar 19, 2014 1RT Total Absent 560866 HOUSE N.H.B DIST-A Mar 25, 2014
Feb 05, 2014 1RT Total Absent 558912 HOUSE S.H.B DIST-A Feb 11, 2014
Jan 10, 2014 1RT Total Absent 557841 HOUSE S.H.B DIST-A Jan 13, 2014
Dec 04, 2013 1RT Total Absent 556320 HOUSE N.H.B DIST-A Dec 09, 2013
Nov 01, 2013 1RT Total Absent 554682 PATIO E.H.B DIST-A Nov 04, 2013
Oct 18, 2013 1RT Total Absent 554222 HOUSE FRONT E.H.B DIST-A Oct 21, 2013
Sep 04, 2013 1RT Total Absent 551947 GARAGE N.H.B DIST-A Sep 10, 2013
Aug 14, 2013 1RT Total Absent 551108 HOUSE FRONT E.H.B DIST-A 0.20Aug 19, 2013
Jul 17, 2013 1RT Total Absent 549899 HOUSE FRONT E.H.B DIST-A 0.30Jul 22, 2013
Jun 07, 2013 1RT Total Absent 548023 HOUSE BACK WHB DIST-A Jun 10, 2013
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
May 15, 2013 1RT Total Absent 547040 HOUSE H.B DIST-A May 20, 2013
Apr 17, 2013 1RT Total Absent 545807 2307 NE CHEHALEM DR DIST-A 0.20Apr 24, 2013
Mar 08, 2013 1RT Total Absent 543916 1405 NE CHEHALEM DR DIST-A Mar 11, 2013
Feb 08, 2013 1RT Total Absent 542653 1507 NE CHEHALEM DR DIST-A Feb 15, 2013
Jan 04, 2013 1RT Total Absent 541283 1507 NE CHEHELM DR DIST-A Jan 07, 2013
Dec 05, 2012 1RT Total Absent 540022 1501 NE CHEHALEM DR DIST-A Dec 11, 2012
Nov 14, 2012 1RT Total Absent 539097 1500 NE CHEHALEM DR DIST-A Nov 20, 2012
Oct 12, 2012 1RT Total Absent 537736 1507 N CHEHALEM DIST-A 0.70Oct 16, 2012
Sep 05, 2012 1RT Total Absent 535177 1717 N CHEHALEM DIST-A 0.70Sep 10, 2012
Aug 15, 2012 1RT Total Absent 534314 1801 NE CHEHALEM DR DIST-A 0.70Aug 20, 2012
Jul 25, 2012 1RT Total Absent 533288 1909 N CHEHALEM DIST-A 0.60Jul 30, 2012
Jun 27, 2012 1RT Total Absent 531699 2309 NE CHEHELEM DR DIST-A Jul 05, 2012
May 23, 2012 1RT Total Absent 530047 2309 N CHEHALEM DR DIST-A May 29, 2012
Apr 20, 2012 1RT Total Absent 528433 2505 NE CHEHALEM DIST-A 0.20Apr 23, 2012
Mar 07, 2012 1RT Total Absent 526108 1500 NE CHEHALEM DR DIST-A Mar 13, 2012
Feb 10, 2012 1RT Total Absent 524930 1501 NE CHEHALEM DR DIST-A 0.00Feb 13, 2012
Jan 11, 2012 1RT Total Absent 523630 1500 N CHEHALEM DR DIST-A Jan 16, 2012
Dec 09, 2011 1RT Total Absent 521894 1405 NE CHEHALEM HB DIST-A 0.10Dec 12, 2011
Nov 11, 2011 1RT Total Absent 520665 1507 NE CHEHALEM DR DIST-A 0.10Nov 14, 2011
Oct 28, 2011 1RT Total Absent 519838 1501 NE CHEHALEM DR DIST-A 1.00Nov 02, 2011
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Sep 16, 2011 1RT Total Absent 517437 ROAD HB DIST-A 0.50Sep 19, 2011
Aug 19, 2011 1RT Total Absent 516025 FRONT HOUSE HB DIST-A 0.50Aug 29, 2011
Jul 22, 2011 1RT Total Absent 514326 FRONT YARD FAUCET DIST-A 0.20Jul 25, 2011
Jun 17, 2011 1RT Total Absent 512355 HB DIST-A 0.10Jun 20, 2011
May 26, 2011 1RT Total Absent 511113 HB DIST-A 0.10May 31, 2011
Apr 11, 2011 1RT Total Absent 508390 HB DIST-A 0.10Apr 18, 2011
Mar 18, 2011 1RT Total Absent 507334 HB DIST-A 0.10Mar 21, 2011
Feb 10, 2011 1RT Total Absent 505262 HB - GARAGE DIST-A 0.10Feb 14, 2011
Jan 28, 2011 1RT Total Absent 504355 HB @ GARAGE DIST-A 0.10Feb 01, 2011
Dec 08, 2010 1RT Total Absent 501458 HB DIST-A 0.10Dec 13, 2010
Nov 29, 2010 1RT Total Absent 500747 HOUSE #2605 HB DIST-A 0.10Dec 01, 2010
Oct 20, 2010 1RT Total Absent 498411 HB DIST-A 0.10Oct 25, 2010
Sep 22, 2010 1RT Total Absent 496598 HB DIST-A 0.10Sep 27, 2010
Aug 16, 2010 1RT Total Absent 494113 HB DIST-A 0.10Aug 25, 2010
Jul 26, 2010 1RT Total Absent 492641 HB DIST-A 0.15Aug 02, 2010
Jun 21, 2010 1RT Total Absent 490444 HOSE BIB - FRONT DIST-A 0.10Jun 29, 2010
May 17, 2010 1RT Total Absent 488076 HB FRONT DIST-A May 19, 2010
Apr 14, 2010 1RT Total Absent 486146 HB FRONT OF HOUSE DIST-A Apr 16, 2010
Mar 22, 2010 1RT Total Absent 484762 HB FRONT OF HOUSE DIST-A Mar 29, 2010
Feb 05, 2010 1RT Total Absent 482153 HB front of house DIST-A Feb 08, 2010
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Jan 22, 2010 1RT Total Absent 481328 2505 Chehalem Dr DIST-A Jan 26, 2010
Dec 23, 2009 1RT Total Absent 479770 1801 Chehalem Dr DIST-A Dec 28, 2009
Nov 11, 2009 1RT Total Absent 477357 Front HB DIST-A 0.00Nov 18, 2009
Oct 07, 2009 1RT Total Absent 475085 2605 Chehalem H.B. DIST-A 0.27Oct 12, 2009
Sep 04, 2009 1RT Total Absent 473158 1500 H.B. DIST-A 0.51Sep 14, 2009
Aug 07, 2009 1RT Total Absent 471465 2605 N CHEHALEM HB DIST-A 0.05Aug 12, 2009
Jul 08, 2009 1RT Total Absent 469631 1500 HB DIST-A 0.21Jul 14, 2009
Jun 01, 2009 1RT Total Absent 467451 1801 HB DIST-A 0.40Jun 08, 2009
May 01, 2009 1RT Total Absent 465723 1801 HB DIST-A 0.60May 04, 2009
Apr 10, 2009 1RT Total Absent 464580 1500 HB DIST-A 0.00Apr 13, 2009
Mar 06, 2009 1RT Total Absent 462660 1501 N CHEHALEM HB DIST-A 0.27Mar 09, 2009
Feb 04, 2009 1RT Total Absent 460929 2505 HB DIST-A 0.08Feb 09, 2009
Jan 09, 2009 1RT Total Absent 459444 1500 HB DIST-A 0.00Jan 21, 2009
Dec 03, 2008 1RT Total Absent 457739 1500 HB DIST-A 0.06Dec 09, 2008
Nov 07, 2008 1RT Total Absent 456285 1500 HB DIST-A 0.13Nov 11, 2008
Oct 01, 2008 1RT Total Absent 453837 1500 HB DIST-A 0.30Oct 08, 2008
Sep 10, 2008 1RT Total Absent 452684 1500 HB DIST-A 0.20Sep 15, 2008
Aug 06, 2008 1RT Total Absent 450491 1500 HB DIST-A 1.10Aug 11, 2008
Jul 02, 2008 1RT Total Absent 448574 1500 HB DIST-A 0.30Jul 08, 2008
Jun 11, 2008 1RT Total Absent 447405 1500 HB DIST-A 0.10Jun 16, 2008
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
May 02, 2008 1RT Total Absent 445195 1500 HB DIST-A 0.00May 12, 2008
Apr 04, 2008 1RT Total Absent 443764 1500 HB DIST-A 0.00Apr 07, 2008
Mar 05, 2008 1RT Total Absent 442027 1500 DIST-A 0.10Mar 10, 2008
Feb 01, 2008 1RT Total Absent 440304 1500 DIST-A 0.10Feb 11, 2008
Jan 04, 2008 1RT Total Absent 438974 1500 HB DIST-A 0.00Jan 07, 2008
Dec 05, 2007 1RT Total Absent 437559 1500 DIST-A 0.10Dec 10, 2007
Nov 02, 2007 1RT Total Absent 435994 1500 HB DIST-A 0.00Nov 05, 2007
Oct 17, 2007 1RT Total Absent 435404 1500 HB DIST-A 0.00Oct 22, 2007
Sep 07, 2007 1RT Total Absent 433194 1500 HB DIST-A Sep 10, 2007
Aug 01, 2007 1RT Total Absent 431249 1500 HB DIST-A 0.00Aug 06, 2007
Jul 18, 2007 1RT Total Absent 430581 1500 HB DIST-A 0.10Jul 23, 2007
Jun 01, 2007 1RT Total Absent 427810 1500 HB DIST-A 0.10Jun 04, 2007
May 18, 2007 1RT Total Absent 427227 1500 HB DIST-A 0.00May 21, 2007
Apr 27, 2007 1RT Total Absent 426124 1500 HB DIST-A 0.10Apr 30, 2007
Mar 02, 2007 1RT Total Absent 423201 1500 N. CHEHALEM DIST-A 0.00Mar 12, 2007
Feb 02, 2007 1RT Total Absent 421766 HB 1500 CHEHALEM DR DIST-A 0.01Feb 05, 2007
Jan 05, 2007 1RT Total Absent 420508 2005 N CHEHALEM DR DIST-A Jan 08, 2007
Dec 15, 2006 1RT Total Absent 419562 2605 N CHEHALEM DR DIST-A Dec 18, 2006
Nov 08, 2006 1RT Total Absent 417682 1500 CHEHALEM DR. DIST-A 0.00Nov 13, 2006
Oct 23, 2006 1RT Total Absent 416772 414 COLUMBIA DIST-A 0.00Nov 01, 2006
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Sep 13, 2006 1RT Total Absent 414689 1500 CHEHALEM DR. DIST-A 0.00Sep 18, 2006
Aug 02, 2006 1RT Total Absent 412386 2605 CHEHALEM DIST-A Aug 07, 2006
Jul 03, 2006 1RT Total Absent 410658 2605 DIST-A 0.10Jul 05, 2006
Jun 12, 2006 1RT Total Absent 409622 2605 DIST-A 0.00Jun 14, 2006
May 01, 2006 1RT Total Absent 407367 2305 CHEHALEM D DIST-A 0.00May 08, 2006
Apr 12, 2006 1RT Total Absent 406400 2605 CHEHALEM DR. DIST-A 0.00Apr 17, 2006
Mar 24, 2006 1RT Total Absent 405381 1500 DIST-A 0.00Mar 29, 2006
Feb 22, 2006 1RT Total Absent 403825 414 COLUMBIA DR. DIST-A 0.00Feb 27, 2006
Feb 03, 2006 1RT Total Absent 402770 2605 CHEHALEM DR. DIST-A 0.00Feb 13, 2006
Jan 13, 2006 1RT Total Absent 401724 1611 CHEHALEM DR. DIST-A 0.00Jan 23, 2006
Dec 09, 2005 1RT Total Absent 399990 2505 CHEHALEM DR DIST-A 0.00Dec 13, 2005
Nov 18, 2005 1RT Total Absent 399099 400 COLUMBIA DIST-A 0.00Nov 21, 2005
Oct 26, 2005 1RT Total Absent 397845 2008 CHEHALEM DR. DIST-A 0.00Nov 01, 2005
Sep 30, 2005 1RT Total Absent 396294 WHITE HSE/CHEHALEMV DIST-A 0.00Oct 04, 2005
Aug 22, 2005 1RT Total Absent 394066 1500 N CHEHALEM DR. DIST-A 0.00Sep 01, 2005
Jul 22, 2005 1RT Total Absent 392268 315 COLUMBIA DIST-A 0.00Jul 26, 2005
Jun 15, 2005 1RT Total Absent 390076 400 COLUMBIA DIST-A 0.00Jun 21, 2005
May 27, 2005 1RT Total Absent 389023 2008 CHEHALEM VALLEY DIST-A 0.00May 31, 2005
Apr 29, 2005 1RT Total Absent 387338 DIST-A 0.00May 03, 2005
Mar 23, 2005 1RT Total Absent 385356 2305 N CHEHALEM DR DIST-A 0.00Mar 29, 2005
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Feb 25, 2005 1RT Total Absent 383946 316 COLUMBIA DIST-A 0.13Feb 28, 2005
Jan 28, 2005 1RT Total Absent 382384 400 COLUMBIA DIST-A 0.00Jan 31, 2005
Dec 17, 2004 1RT Total Absent 380318 1507 CHEHALEM DR. DIST-A 0.00Dec 20, 2004
Nov 10, 2004 1RT Total Absent 378311 2008 CHEHALEM DR. DIST-A 0.10Nov 15, 2004
Oct 27, 2004 1RT Total Absent 377543 1500CHEHALEM DR DIST-A 0.00Nov 01, 2004
Sep 30, 2004 1RT Total Absent 376040 2605 DIST-A 0.10Oct 04, 2004
Aug 31, 2004 1RT Total Absent 374324 400 DIST-A 0.10Sep 08, 2004
Jul 29, 2004 1RT Total Absent 372515 2605 N CHEHALEM DR. DIST-A 0.00Aug 02, 2004
Jun 29, 2004 1RT Total Absent 370782 1500 N CHEHALEM DR DIST-A Jul 07, 2004
May 28, 2004 1RT Total Absent 369048 316 W COLUMBIA DIST-A Jun 01, 2004
Apr 27, 2004 1RT Total Absent 367005 2005 CHEHALEM DR DIST-A May 03, 2004
Mar 10, 2004 1RT Total Absent 364509 414 COLUMBIA DIST-A Mar 15, 2004
Feb 25, 2004 1RT Total Absent 363763 2305 CHEHALEM DR. DIST-A Mar 01, 2004
Jan 29, 2004 1RT Total Absent 362341 2605 CNEHALEM DR. DIST-A Feb 05, 2004
Jan 07, 2004 1RT Total Absent 301415951 DIST-A Jan 12, 2004
Dec 23, 2003 1RT Total Absent 360742 1500 N. CHEHALEM DR. DIST-A Dec 24, 2003
Nov 29, 2003 1RT Total Absent 359471 414 W. COLUMBIA DIST-A Dec 04, 2003
Oct 31, 2003 1RT Total Absent 357964 2605 CHEHALEM DIST-A Nov 04, 2003
Sep 30, 2003 1RT Total Absent 356087 DIST-A Oct 06, 2003
Aug 31, 2003 1RT Total Absent 354409 DIST-A Sep 04, 2003
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Jul 22, 2003 1RT Total Absent 352401 DIST-A Jul 28, 2003
Jun 24, 2003 1RT Total Absent 350895 DIST-A Jun 30, 2003
May 29, 2003 1RT Total Absent 349312 DIST-A Jun 03, 2003
Apr 24, 2003 1RT Total Absent 347442 DIST-A May 05, 2003
Mar 15, 2003 1RT Total Absent 345288 DIST-A Mar 24, 2003
Feb 08, 2003 1RT Total Absent 343447 DIST-A Feb 18, 2003
Jan 20, 2003 1RT Total Absent 342362 DIST-A Jan 28, 2003
Dec 02, 2002 1RT Total Absent 20020871 2605 N CHEHALEM DR. DIST-A Dec 11, 2002
Nov 08, 2002 1RT Total Absent 20020839 1819 N MAIN ST DIST-A Nov 21, 2002
Oct 04, 2002 1RT Total Absent 20020760 1611 N CHEHALEM DR. DIST-A Oct 22, 2002
Sep 04, 2002 1RT Total Absent 20020687 316 W COLUMBIA DIST-A Sep 26, 2002
Aug 06, 2002 1RT Total Absent 20020606 2309 N Chehalem Dr. DIST-A Aug 26, 2002
Jul 02, 2002 1RT Total Absent 20020464 1809 N Chehalem Dr. DIST-A
Jun 07, 2002 1RT Total Absent 20020418 1507 N Chehalem Dr. DIST-A
May 03, 2002 1RT Total Absent 20020308 414 W Columbia DIST-A May 29, 2002
Apr 05, 2002 1RT Total Absent 20020235 316 W Columbia DIST-A May 13, 2002
Mar 02, 2002 1RT Total Absent 20020158 1500 N Chehalem Dr. DIST-A Mar 25, 2002
Feb 05, 2002 1RT Total Absent 20020100 1611 N Chehalem Dr. DIST-A Feb 25, 2002
Jan 04, 2002 1RT Total Absent 20020014 2505 N Chehalem Dr. 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  ::  Show rejected samples  ::  Exclude results older than 2022


More information for this water system: SDWIS ID 4703
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