OHA Drinking Water Services
OR41
PWS ID: 00461 ---- RIVERGROVE WATER DISTRICT
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  ::  Include 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 05, 2025 1RT Total Absent 5125013-01-4 VARIOUS DIST-A 0.44May 22, 2025
May 05, 2025 1RT Total Absent 5125013-01-3 VARIOUS DIST-A 0.44May 22, 2025
May 05, 2025 1RT Total Absent 5125013-01-2 VARIOUS DIST-A 0.44May 22, 2025
May 05, 2025 1RT Total Absent 5125013-01-1 VARIOUS DIST-A 0.44May 22, 2025
Apr 01, 2025 1RT Total Absent 5091001-01-4 VARIOUS DIST-A 0.53Apr 07, 2025
Apr 01, 2025 1RT Total Absent 5091001-01-3 VARIOUS DIST-A 0.53Apr 07, 2025
Apr 01, 2025 1RT Total Absent 5091001-01-2 VARIOUS DIST-A 0.53Apr 07, 2025
Apr 01, 2025 1RT Total Absent 5091001-01-1 VARIOUS DIST-A 0.53Apr 07, 2025
Mar 03, 2025 1RT Total Absent 5062011-01-4 VARIOUS DIST-A 0.42Mar 07, 2025
Mar 03, 2025 1RT Total Absent 5062011-01-3 VARIOUS DIST-A 0.42Mar 07, 2025
Mar 03, 2025 1RT Total Absent 5062011-01-2 VARIOUS DIST-A 0.42Mar 07, 2025
Mar 03, 2025 1RT Total Absent 5062011-01-1 VARIOUS DIST-A 0.42Mar 07, 2025
Feb 03, 2025 1RT Total Absent 5034010-01-4 VARIOUS DIST-A 0.38Feb 19, 2025
Feb 03, 2025 1RT Total Absent 5034010-01-3 VARIOUS DIST-A 0.38Feb 19, 2025
Feb 03, 2025 1RT Total Absent 5034010-01-2 VARIOUS DIST-A 0.38Feb 19, 2025
Feb 03, 2025 1RT Total Absent 5034010-01-1 VARIOUS DIST-A 0.38Feb 19, 2025
Jan 06, 2025 1RT Total Absent 5006003-01-4 VARIOUS DIST-A 0.35Jan 24, 2025
Jan 06, 2025 1RT Total Absent 5006003-01-3 VARIOUS DIST-A 0.35Jan 24, 2025
Jan 06, 2025 1RT Total Absent 5006003-01-2 VARIOUS DIST-A 0.35Jan 24, 2025
Jan 06, 2025 1RT Total Absent 5006003-01-1 VARIOUS DIST-A 0.35Jan 24, 2025
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Dec 09, 2024 1RT Total Absent 4344017-01-4 VARIOUS DIST-A 0.46Dec 16, 2024
Dec 09, 2024 1RT Total Absent 4344017-01-3 VARIOUS DIST-A 0.46Dec 16, 2024
Dec 09, 2024 1RT Total Absent 4344017-01-2 VARIOUS DIST-A 0.46Dec 16, 2024
Dec 09, 2024 1RT Total Absent 4344017-01-1 VARIOUS DIST-A 0.46Dec 16, 2024
Nov 04, 2024 1RT Total Absent 4309006-01-4 VARIOUS DIST-A 0.43Nov 08, 2024
Nov 04, 2024 1RT Total Absent 4309006-01-3 VARIOUS DIST-A 0.43Nov 08, 2024
Nov 04, 2024 1RT Total Absent 4309006-01-2 VARIOUS DIST-A 0.43Nov 08, 2024
Nov 04, 2024 1RT Total Absent 4309006-01-1 VARIOUS DIST-A 0.43Nov 08, 2024
Oct 02, 2024 1RT Total Absent 4276010-01-4 VARIOUS DIST-A 0.39Oct 15, 2024
Oct 02, 2024 1RT Total Absent 4276010-01-3 VARIOUS DIST-A 0.39Oct 15, 2024
Oct 02, 2024 1RT Total Absent 4276010-01-2 VARIOUS DIST-A 0.39Oct 15, 2024
Oct 02, 2024 1RT Total Absent 4276010-01-1 VARIOUS DIST-A 0.39Oct 15, 2024
Sep 04, 2024 1AS Total Absent 4248008-03 WELL 3 SRC-CA Sep 20, 2024
Sep 04, 2024 1AS Total Absent 4248008-02 WELL 2 SRC-BA Sep 20, 2024
Sep 04, 2024 1AS Total Absent 4248008-01 WELL 1 SRC-AA Sep 20, 2024
Sep 03, 2024 1RT Total Absent 4247008-01-4 VARIOUS DIST-A 0.43Sep 10, 2024
Sep 03, 2024 1RT Total Absent 4247008-01-3 VARIOUS DIST-A 0.43Sep 10, 2024
Sep 03, 2024 1RT Total Absent 4247008-01-2 VARIOUS DIST-A 0.43Sep 10, 2024
Sep 03, 2024 1RT Total Absent 4247008-01-1 VARIOUS DIST-A 0.43Sep 10, 2024
Aug 06, 2024 1RT Total Absent 4219044-01-4 VARIOUS DIST-A 0.28Aug 09, 2024
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Aug 06, 2024 1RT Total Absent 4219044-01-3 VARIOUS DIST-A 0.28Aug 09, 2024
Aug 06, 2024 1RT Total Absent 4219044-01-2 VARIOUS DIST-A 0.28Aug 09, 2024
Aug 06, 2024 1RT Total Absent 4219044-01-1 VARIOUS DIST-A 0.28Aug 09, 2024
Jul 01, 2024 1RT Total Absent 4183026-01-4 VARIOUS DIST-A 0.52Jul 08, 2024
Jul 01, 2024 1RT Total Absent 4183026-01-3 VARIOUS DIST-A 0.52Jul 08, 2024
Jul 01, 2024 1RT Total Absent 4183026-01-2 VARIOUS DIST-A 0.52Jul 08, 2024
Jul 01, 2024 1RT Total Absent 4183026-01-1 VARIOUS DIST-A 0.52Jul 08, 2024
Jun 04, 2024 1RT Total Absent 4156004-01-4 VARIOUS DIST-A 0.41Jun 14, 2024
Jun 04, 2024 1RT Total Absent 4156004-01-3 VARIOUS DIST-A 0.41Jun 14, 2024
Jun 04, 2024 1RT Total Absent 4156004-01-2 VARIOUS DIST-A 0.41Jun 14, 2024
Jun 04, 2024 1RT Total Absent 4156004-01-1 VARIOUS DIST-A 0.41Jun 14, 2024
May 01, 2024 1RT Total Absent 4122007-01-4 VARIOUS DIST-A 0.29May 06, 2024
May 01, 2024 1RT Total Absent 4122007-01-3 VARIOUS DIST-A 0.29May 06, 2024
May 01, 2024 1RT Total Absent 4122007-01-2 VARIOUS DIST-A 0.29May 06, 2024
May 01, 2024 1RT Total Absent 4122007-01-1 VARIOUS DIST-A 0.29May 06, 2024
Apr 01, 2024 1RT Total Absent 4092013-01-4 VARIOUS DIST-A 0.41Apr 05, 2024
Apr 01, 2024 1RT Total Absent 4092013-01-3 VARIOUS DIST-A 0.41Apr 05, 2024
Apr 01, 2024 1RT Total Absent 4092013-01-2 VARIOUS DIST-A 0.41Apr 05, 2024
Apr 01, 2024 1RT Total Absent 4092013-01-1 VARIOUS DIST-A 0.41Apr 05, 2024
Mar 04, 2024 1RT Total Absent 4064027-01-4 VARIOUS DIST-A 0.44Mar 07, 2024
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Mar 04, 2024 1RT Total Absent 4064027-01-3 VARIOUS DIST-A 0.44Mar 07, 2024
Mar 04, 2024 1RT Total Absent 4064027-01-2 VARIOUS DIST-A 0.44Mar 07, 2024
Mar 04, 2024 1RT Total Absent 4064027-01-1 VARIOUS DIST-A 0.44Mar 07, 2024
Feb 07, 2024 1RT Total Absent 4038015-01-4 VARIOUS DIST-A 0.37Feb 12, 2024
Feb 07, 2024 1RT Total Absent 4038015-01-3 VARIOUS DIST-A 0.37Feb 12, 2024
Feb 07, 2024 1RT Total Absent 4038015-01-2 VARIOUS DIST-A 0.37Feb 12, 2024
Feb 07, 2024 1RT Total Absent 4038015-01-1 VARIOUS DIST-A 0.37Feb 12, 2024
Jan 04, 2024 1RT Total Absent 4004049-01-4 VARIOUS DIST-A 0.20Jan 12, 2024
Jan 04, 2024 1RT Total Absent 4004049-01-3 VARIOUS DIST-A 0.20Jan 12, 2024
Jan 04, 2024 1RT Total Absent 4004049-01-2 VARIOUS DIST-A 0.20Jan 12, 2024
Jan 04, 2024 1RT Total Absent 4004049-01-1 VARIOUS DIST-A 0.20Jan 12, 2024
Dec 04, 2023 1RT Total Absent 3338012-01-4 VARIOUS DIST-A 0.43Dec 12, 2023
Dec 04, 2023 1RT Total Absent 3338012-01-3 VARIOUS DIST-A 0.43Dec 12, 2023
Dec 04, 2023 1RT Total Absent 3338012-01-2 VARIOUS DIST-A 0.43Dec 12, 2023
Dec 04, 2023 1RT Total Absent 3338012-01-1 VARIOUS DIST-A 0.43Dec 12, 2023
Nov 06, 2023 1AS Total Absent 3310016-03 WELL 3 SRC-CA Nov 10, 2023
Nov 06, 2023 1AS Total Absent 3310016-02 WELL 2 SRC-BA Nov 10, 2023
Nov 06, 2023 1AS Total Absent 3310016-01 WELL 1 SRC-AA Nov 10, 2023
Nov 06, 2023 1RT Total Absent 3310014-01-4 VARIOUS DIST-A 0.39Nov 10, 2023
Nov 06, 2023 1RT Total Absent 3310014-01-3 VARIOUS DIST-A 0.39Nov 10, 2023
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Nov 06, 2023 1RT Total Absent 3310014-01-2 VARIOUS DIST-A 0.39Nov 10, 2023
Nov 06, 2023 1RT Total Absent 3310014-01-1 VARIOUS DIST-A 0.39Nov 10, 2023
Oct 04, 2023 1RT Total Absent 3277007-01-4 VARIOUS DIST-A 0.31Oct 10, 2023
Oct 04, 2023 1RT Total Absent 3277007-01-3 VARIOUS DIST-A 0.31Oct 10, 2023
Oct 04, 2023 1RT Total Absent 3277007-01-2 VARIOUS DIST-A 0.31Oct 10, 2023
Oct 04, 2023 1RT Total Absent 3277007-01-1 VARIOUS DIST-A 0.31Oct 10, 2023
Sep 06, 2023 1RT Total Absent 3249005-01-4 VARIOUS DIST-A 0.36Sep 26, 2023
Sep 06, 2023 1RT Total Absent 3249005-01-3 VARIOUS DIST-A 0.36Sep 26, 2023
Sep 06, 2023 1RT Total Absent 3249005-01-2 VARIOUS DIST-A 0.36Sep 26, 2023
Sep 06, 2023 1RT Total Absent 3249005-01-1 VARIOUS DIST-A 0.36Sep 26, 2023
Aug 02, 2023 1RT Total Absent 3214022-01-4 VARIOUS DIST-A 0.55Aug 14, 2023
Aug 02, 2023 1RT Total Absent 3214022-01-3 VARIOUS DIST-A 0.55Aug 14, 2023
Aug 02, 2023 1RT Total Absent 3214022-01-2 VARIOUS DIST-A 0.55Aug 14, 2023
Aug 02, 2023 1RT Total Absent 3214022-01-1 VARIOUS DIST-A 0.55Aug 14, 2023
Jul 05, 2023 1RT Total Absent 3186015-01-4 VARIOUS DIST-A 0.63Jul 14, 2023
Jul 05, 2023 1RT Total Absent 3186015-01-3 VARIOUS DIST-A 0.63Jul 14, 2023
Jul 05, 2023 1RT Total Absent 3186015-01-2 VARIOUS DIST-A 0.63Jul 14, 2023
Jul 05, 2023 1RT Total Absent 3186015-01-1 VARIOUS DIST-A 0.63Jul 14, 2023
Jun 05, 2023 1RT Total Absent 3156014-01-4 VARIOUS DIST-A 0.67Jun 16, 2023
Jun 05, 2023 1RT Total Absent 3156014-01-3 VARIOUS DIST-A 0.67Jun 16, 2023
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Jun 05, 2023 1RT Total Absent 3156014-01-2 VARIOUS DIST-A 0.67Jun 16, 2023
Jun 05, 2023 1RT Total Absent 3156014-01-1 VARIOUS DIST-A 0.67Jun 16, 2023
May 02, 2023 1RT Total Absent 3122009-01-4 VARIOUS DIST-A 0.37May 16, 2023
May 02, 2023 1RT Total Absent 3122009-01-3 VARIOUS DIST-A 0.37May 16, 2023
May 02, 2023 1RT Total Absent 3122009-01-2 VARIOUS DIST-A 0.37May 16, 2023
May 02, 2023 1RT Total Absent 3122009-01-1 VARIOUS DIST-A 0.37May 16, 2023
Apr 03, 2023 1RT Total Absent 3093007-01-4 VARIOUS DIST-A 0.38Apr 11, 2023
Apr 03, 2023 1RT Total Absent 3093007-01-3 VARIOUS DIST-A 0.38Apr 11, 2023
Apr 03, 2023 1RT Total Absent 3093007-01-2 VARIOUS DIST-A 0.38Apr 11, 2023
Apr 03, 2023 1RT Total Absent 3093007-01-1 VARIOUS DIST-A 0.38Apr 11, 2023
Mar 01, 2023 1RT Total Absent 3060004-01-4 VARIOUS DIST-A Mar 03, 2023
Mar 01, 2023 1RT Total Absent 3060004-01-3 VARIOUS DIST-A Mar 03, 2023
Mar 01, 2023 1RT Total Absent 3060004-01-2 VARIOUS DIST-A Mar 03, 2023
Mar 01, 2023 1RT Total Absent 3060004-01-1 VARIOUS DIST-A Mar 03, 2023
Feb 06, 2023 1RT Total Absent 3037005-01-4 VARIOUS DIST-A Feb 13, 2023
Feb 06, 2023 1RT Total Absent 3037005-01-3 VARIOUS DIST-A Feb 13, 2023
Feb 06, 2023 1RT Total Absent 3037005-01-2 VARIOUS DIST-A Feb 13, 2023
Feb 06, 2023 1RT Total Absent 3037005-01-1 VARIOUS DIST-A Feb 13, 2023
Jan 03, 2023 1RT Total Absent 3003017-01-4 VARIOUS DIST-A Jan 27, 2023
Jan 03, 2023 1RT Total Absent 3003017-01-3 VARIOUS DIST-A Jan 27, 2023
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Jan 03, 2023 1RT Total Absent 3003017-01-2 VARIOUS DIST-A Jan 27, 2023
Jan 03, 2023 1RT Total Absent 3003017-01-1 VARIOUS DIST-A Jan 27, 2023
Dec 07, 2022 1AS Total Absent 2341021-03 WELL #1 SRC-AA Dec 16, 2022
Dec 07, 2022 1AS Total Absent 2341021-02 OLSON WELL SRC-CA Dec 16, 2022
Dec 07, 2022 1AS Total Absent 2341021-01 WELL #2 SRC-BA Dec 16, 2022
Dec 07, 2022 1RT Total Absent 2341020-01-4 VARIOUS DIST-A 0.31Dec 09, 2022
Dec 07, 2022 1RT Total Absent 2341020-01-3 VARIOUS DIST-A 0.31Dec 09, 2022
Dec 07, 2022 1RT Total Absent 2341020-01-2 VARIOUS DIST-A 0.31Dec 09, 2022
Dec 07, 2022 1RT Total Absent 2341020-01-1 VARIOUS DIST-A 0.31Dec 09, 2022
Nov 14, 2022 1RT Total Absent 2318005-01-4 VARIOUS DIST-A 0.39Nov 18, 2022
Nov 14, 2022 1RT Total Absent 2318005-01-3 VARIOUS DIST-A 0.39Nov 18, 2022
Nov 14, 2022 1RT Total Absent 2318005-01-2 VARIOUS DIST-A 0.39Nov 18, 2022
Nov 14, 2022 1RT Total Absent 2318005-01-1 VARIOUS DIST-A 0.39Nov 18, 2022
Oct 11, 2022 1RT Total Absent 2284010-01-4 VARIOUS DIST-A 0.45Oct 13, 2022
Oct 11, 2022 1RT Total Absent 2284010-01-3 VARIOUS DIST-A 0.45Oct 13, 2022
Oct 11, 2022 1RT Total Absent 2284010-01-2 VARIOUS DIST-A 0.45Oct 13, 2022
Oct 11, 2022 1RT Total Absent 2284010-01-1 VARIOUS DIST-A 0.45Oct 13, 2022
Sep 07, 2022 1RT Total Absent 2250011-01-4 VARIOUS DIST-A 0.52Sep 16, 2022
Sep 07, 2022 1RT Total Absent 2250011-01-3 VARIOUS DIST-A 0.52Sep 16, 2022
Sep 07, 2022 1RT Total Absent 2250011-01-2 VARIOUS DIST-A 0.52Sep 16, 2022
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Sep 07, 2022 1RT Total Absent 2250011-01-1 VARIOUS DIST-A 0.52Sep 16, 2022
Aug 08, 2022 1RT Total Absent 2220013-01-4 VARIOUS DIST-A 0.63Aug 11, 2022
Aug 08, 2022 1RT Total Absent 2220013-01-3 VARIOUS DIST-A 0.63Aug 11, 2022
Aug 08, 2022 1RT Total Absent 2220013-01-2 VARIOUS DIST-A 0.63Aug 11, 2022
Aug 08, 2022 1RT Total Absent 2220013-01-1 VARIOUS DIST-A 0.63Aug 11, 2022
Jul 11, 2022 1RT Total Absent 2192002-01-4 VARIOUS DIST-A 0.40Jul 14, 2022
Jul 11, 2022 1RT Total Absent 2192002-01-3 VARIOUS DIST-A 0.40Jul 14, 2022
Jul 11, 2022 1RT Total Absent 2192002-01-2 VARIOUS DIST-A 0.40Jul 14, 2022
Jul 11, 2022 1RT Total Absent 2192002-01-1 VARIOUS DIST-A 0.40Jul 14, 2022
Jun 08, 2022 1RT Total Absent 2159012-01-4 VARIOUS DIST-A 0.45Jun 17, 2022
Jun 08, 2022 1RT Total Absent 2159012-01-3 VARIOUS DIST-A 0.45Jun 17, 2022
Jun 08, 2022 1RT Total Absent 2159012-01-2 VARIOUS DIST-A 0.45Jun 17, 2022
Jun 08, 2022 1RT Total Absent 2159012-01-1 VARIOUS DIST-A 0.45Jun 17, 2022
May 18, 2022 1RT Total Absent 2138003-01-4 VARIOUS DIST-A 0.49May 23, 2022
May 18, 2022 1RT Total Absent 2138003-01-3 VARIOUS DIST-A 0.49May 23, 2022
May 18, 2022 1RT Total Absent 2138003-01-2 VARIOUS DIST-A 0.49May 23, 2022
May 18, 2022 1RT Total Absent 2138003-01-1 VARIOUS DIST-A 0.49May 23, 2022
Apr 12, 2022 1RT Total Absent 2102007-01-4 VARIOUS DIST-A 0.47Apr 15, 2022
Apr 12, 2022 1RT Total Absent 2102007-01-3 VARIOUS DIST-A 0.47Apr 15, 2022
Apr 12, 2022 1RT Total Absent 2102007-01-2 VARIOUS DIST-A 0.47Apr 15, 2022
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Apr 12, 2022 1RT Total Absent 2102007-01-1 VARIOUS DIST-A 0.47Apr 15, 2022
Mar 10, 2022 1RT Total Absent 2069017-01-4 VARIOUS DIST-A 0.50Mar 18, 2022
Mar 10, 2022 1RT Total Absent 2069017-01-3 VARIOUS DIST-A 0.50Mar 18, 2022
Mar 10, 2022 1RT Total Absent 2069017-01-2 VARIOUS DIST-A 0.50Mar 18, 2022
Mar 10, 2022 1RT Total Absent 2069017-01-1 VARIOUS DIST-A 0.50Mar 18, 2022
Feb 07, 2022 1RT Total Absent 2038006-01-4 VARIOUS DIST-A 0.49Feb 22, 2022
Feb 07, 2022 1RT Total Absent 2038006-01-3 VARIOUS DIST-A 0.49Feb 22, 2022
Feb 07, 2022 1RT Total Absent 2038006-01-2 VARIOUS DIST-A 0.49Feb 22, 2022
Feb 07, 2022 1RT Total Absent 2038006-01-1 VARIOUS DIST-A 0.49Feb 22, 2022
Jan 04, 2022 1RT Total Absent 2004005-01-4 VARIOUS DIST-A 0.42Jan 17, 2022
Jan 04, 2022 1RT Total Absent 2004005-01-3 VARIOUS DIST-A 0.42Jan 17, 2022
Jan 04, 2022 1RT Total Absent 2004005-01-2 VARIOUS DIST-A 0.42Jan 17, 2022
Jan 04, 2022 1RT Total Absent 2004005-01-1 VARIOUS DIST-A 0.42Jan 17, 2022



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  ::  Include results older than 2022


More information for this water system: SDWIS ID 3348
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