OHA Drinking Water Services
OR41
PWS ID: 00576 ---- NORTH PLAINS WATER DEPARTMENT
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 2023

Sample
Date		 #
Samples		 Sample
Type		 Coliform
Type		 Result Sample
ID		 Repeat of
Sample ID		 Sample
Site		 Facility Chlorine
Residual		 Received
Date
Feb 19, 2026 1RT Total Absent 6050022-01-4 DIST-A 0.85Feb 26, 2026
Feb 19, 2026 1RT Total Absent 6050022-01-3 DIST-A 0.85Feb 26, 2026
Feb 19, 2026 1RT Total Absent 6050022-01-2 DIST-A 0.85Feb 26, 2026
Feb 19, 2026 1RT Total Absent 6050022-01-1 DIST-A 0.85Feb 26, 2026
Jan 15, 2026 1RT Total Absent 6015019-01-4 VARIOUS DIST-A 0.87Jan 27, 2026
Jan 15, 2026 1RT Total Absent 6015019-01-3 VARIOUS DIST-A 0.87Jan 27, 2026
Jan 15, 2026 1RT Total Absent 6015019-01-2 VARIOUS DIST-A 0.87Jan 27, 2026
Jan 15, 2026 1RT Total Absent 6015019-01-1 VARIOUS DIST-A 0.87Jan 27, 2026
Dec 18, 2025 1RT Total Absent 5352003-01-4 VARIOUS DIST-A 0.48Dec 22, 2025
Dec 18, 2025 1RT Total Absent 5352003-01-3 VARIOUS DIST-A 0.48Dec 22, 2025
Dec 18, 2025 1RT Total Absent 5352003-01-2 VARIOUS DIST-A 0.48Dec 22, 2025
Dec 18, 2025 1RT Total Absent 5352003-01-1 VARIOUS DIST-A 0.48Dec 22, 2025
Nov 20, 2025 1RT Total Absent 5324015-01-4 VARIOUS DIST-A 0.55Dec 08, 2025
Nov 20, 2025 1RT Total Absent 5324015-01-3 VARIOUS DIST-A 0.55Dec 08, 2025
Nov 20, 2025 1RT Total Absent 5324015-01-2 VARIOUS DIST-A 0.55Dec 08, 2025
Nov 20, 2025 1RT Total Absent 5324015-01-1 VARIOUS DIST-A 0.55Dec 08, 2025
Oct 16, 2025 1RT Total Absent 5289016-01-4 VARIOUS DIST-A 0.66Oct 29, 2025
Oct 16, 2025 1RT Total Absent 5289016-01-3 VARIOUS DIST-A 0.66Oct 29, 2025
Oct 16, 2025 1RT Total Absent 5289016-01-2 VARIOUS DIST-A 0.66Oct 29, 2025
Oct 16, 2025 1RT Total Absent 5289016-01-1 VARIOUS DIST-A 0.66Oct 29, 2025
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Sep 18, 2025 1RT Total Absent 5261011-01-4 VARIOUS DIST-A 0.96Sep 26, 2025
Sep 18, 2025 1RT Total Absent 5261011-01-3 VARIOUS DIST-A 0.96Sep 26, 2025
Sep 18, 2025 1RT Total Absent 5261011-01-2 VARIOUS DIST-A 0.96Sep 26, 2025
Sep 18, 2025 1RT Total Absent 5261011-01-1 VARIOUS DIST-A 0.96Sep 26, 2025
Aug 21, 2025 1RT Total Absent 5233011-01-4 VARIOUS DIST-A 0.72Aug 22, 2025
Aug 21, 2025 1RT Total Absent 5233011-01-3 VARIOUS DIST-A 0.72Aug 22, 2025
Aug 21, 2025 1RT Total Absent 5233011-01-2 VARIOUS DIST-A 0.72Aug 22, 2025
Aug 21, 2025 1RT Total Absent 5233011-01-1 VARIOUS DIST-A 0.72Aug 22, 2025
Jul 17, 2025 1RT Total Absent 5198013-01-4 VARIOUS DIST-A 1.07Jul 25, 2025
Jul 17, 2025 1RT Total Absent 5198013-01-3 VARIOUS DIST-A 1.07Jul 25, 2025
Jul 17, 2025 1RT Total Absent 5198013-01-2 VARIOUS DIST-A 1.07Jul 25, 2025
Jul 17, 2025 1RT Total Absent 5198013-01-1 VARIOUS DIST-A 1.07Jul 25, 2025
Jun 18, 2025 1RT Total Absent 5169072-01-4 VARIOUS DIST-A 0.98Jun 20, 2025
Jun 18, 2025 1RT Total Absent 5169072-01-3 VARIOUS DIST-A 0.98Jun 20, 2025
Jun 18, 2025 1RT Total Absent 5169072-01-2 VARIOUS DIST-A 0.98Jun 20, 2025
Jun 18, 2025 1RT Total Absent 5169072-01-1 VARIOUS DIST-A 0.98Jun 20, 2025
May 15, 2025 1RT Total Absent 5135020-01-4 VARIOUS DIST-A 0.91May 30, 2025
May 15, 2025 1RT Total Absent 5135020-01-3 VARIOUS DIST-A 0.91May 30, 2025
May 15, 2025 1RT Total Absent 5135020-01-2 VARIOUS DIST-A 0.91May 30, 2025
May 15, 2025 1RT Total Absent 5135020-01-1 VARIOUS DIST-A 0.91May 30, 2025
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Apr 17, 2025 1RT Total Absent 5107021-01-4 VARIOUS DIST-A 0.83Apr 25, 2025
Apr 17, 2025 1RT Total Absent 5107021-01-3 VARIOUS DIST-A 0.83Apr 25, 2025
Apr 17, 2025 1RT Total Absent 5107021-01-2 VARIOUS DIST-A 0.83Apr 25, 2025
Apr 17, 2025 1RT Total Absent 5107021-01-1 VARIOUS DIST-A 0.83Apr 25, 2025
Mar 20, 2025 1RT Total Absent 5079012-01-4 VARIOUS DIST-A 0.98Mar 31, 2025
Mar 20, 2025 1RT Total Absent 5079012-01-3 VARIOUS DIST-A 0.98Mar 31, 2025
Mar 20, 2025 1RT Total Absent 5079012-01-2 VARIOUS DIST-A 0.98Mar 31, 2025
Mar 20, 2025 1RT Total Absent 5079012-01-1 VARIOUS DIST-A 0.98Mar 31, 2025
Feb 20, 2025 1RT Total Absent 5051014-01-4 VARIOUS DIST-A 1.03Feb 24, 2025
Feb 20, 2025 1RT Total Absent 5051014-01-3 VARIOUS DIST-A 1.03Feb 24, 2025
Feb 20, 2025 1RT Total Absent 5051014-01-2 VARIOUS DIST-A 1.03Feb 24, 2025
Feb 20, 2025 1RT Total Absent 5051014-01-1 VARIOUS DIST-A 1.03Feb 24, 2025
Jan 17, 2025 1RT Total Absent 5017016-01-4 VARIOUS DIST-A 1.05Jan 29, 2025
Jan 17, 2025 1RT Total Absent 5017016-01-3 VARIOUS DIST-A 1.05Jan 29, 2025
Jan 17, 2025 1RT Total Absent 5017016-01-2 VARIOUS DIST-A 1.05Jan 29, 2025
Jan 17, 2025 1RT Total Absent 5017016-01-1 VARIOUS DIST-A 1.05Jan 29, 2025
Dec 19, 2024 1RT Total Absent 4354020-01-4 VARIOUS DIST-A 0.82Dec 26, 2024
Dec 19, 2024 1RT Total Absent 4354020-01-3 VARIOUS DIST-A 0.82Dec 26, 2024
Dec 19, 2024 1RT Total Absent 4354020-01-2 VARIOUS DIST-A 0.82Dec 26, 2024
Dec 19, 2024 1RT Total Absent 4354020-01-1 VARIOUS DIST-A 0.82Dec 26, 2024
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Nov 21, 2024 1RT Total Absent 4326013-01-4 VARIOUS DIST-A 0.80Nov 27, 2024
Nov 21, 2024 1RT Total Absent 4326013-01-3 VARIOUS DIST-A 0.80Nov 27, 2024
Nov 21, 2024 1RT Total Absent 4326013-01-2 VARIOUS DIST-A 0.80Nov 27, 2024
Nov 21, 2024 1RT Total Absent 4326013-01-1 VARIOUS DIST-A 0.80Nov 27, 2024
Oct 17, 2024 1RT Total Absent 4291011-01-4 VARIOUS DIST-A 0.85Oct 28, 2024
Oct 17, 2024 1RT Total Absent 4291011-01-3 VARIOUS DIST-A 0.85Oct 28, 2024
Oct 17, 2024 1RT Total Absent 4291011-01-2 VARIOUS DIST-A 0.85Oct 28, 2024
Oct 17, 2024 1RT Total Absent 4291011-01-1 VARIOUS DIST-A 0.85Oct 28, 2024
Sep 18, 2024 1RT Total Absent 4262019-01-3 VARIOUS DIST-A 0.80Sep 26, 2024
Sep 18, 2024 1RT Total Absent 4262019-01-2 VARIOUS DIST-A 0.80Sep 26, 2024
Sep 18, 2024 1RT Total Absent 4262019-01-1 VARIOUS DIST-A 0.80Sep 26, 2024
Aug 15, 2024 1RT Total Absent 4228018-01-3 VARIOUS DIST-A 1.11Sep 05, 2024
Aug 15, 2024 1RT Total Absent 4228018-01-2 VARIOUS DIST-A 1.11Sep 05, 2024
Aug 15, 2024 1RT Total Absent 4228018-01-1 VARIOUS DIST-A 1.11Sep 05, 2024
Jul 18, 2024 1RT Total Absent 4200022-01-3 VARIOUS DIST-A 1.16Aug 01, 2024
Jul 18, 2024 1RT Total Absent 4200022-01-2 VARIOUS DIST-A 1.16Aug 01, 2024
Jul 18, 2024 1RT Total Absent 4200022-01-1 VARIOUS DIST-A 1.16Aug 01, 2024
Jun 20, 2024 1RT Total Absent 4172017-01-3 VARIOUS DIST-A 1.13Jun 28, 2024
Jun 20, 2024 1RT Total Absent 4172017-01-2 VARIOUS DIST-A 1.13Jun 28, 2024
Jun 20, 2024 1RT Total Absent 4172017-01-1 VARIOUS DIST-A 1.13Jun 28, 2024
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
May 16, 2024 1RT Total Absent 4137015-01-3 VARIOUS DIST-A 1.09May 20, 2024
May 16, 2024 1RT Total Absent 4137015-01-2 VARIOUS DIST-A 1.09May 20, 2024
May 16, 2024 1RT Total Absent 4137015-01-1 VARIOUS DIST-A 1.09May 20, 2024
Apr 18, 2024 1RT Total Absent 4109010-01-3 VARIOUS DIST-A 0.97May 01, 2024
Apr 18, 2024 1RT Total Absent 4109010-01-2 VARIOUS DIST-A 0.97May 01, 2024
Apr 18, 2024 1RT Total Absent 4109010-01-1 VARIOUS DIST-A 0.97May 01, 2024
Mar 21, 2024 1RT Total Absent 4081011-01-3 VARIOUS DIST-A 1.06Mar 29, 2024
Mar 21, 2024 1RT Total Absent 4081011-01-2 VARIOUS DIST-A 1.06Mar 29, 2024
Mar 21, 2024 1RT Total Absent 4081011-01-1 VARIOUS DIST-A 1.06Mar 29, 2024
Feb 15, 2024 1RT Total Absent 4046022-01-3 VARIOUS DIST-A 1.09Feb 23, 2024
Feb 15, 2024 1RT Total Absent 4046022-01-2 VARIOUS DIST-A 1.09Feb 23, 2024
Feb 15, 2024 1RT Total Absent 4046022-01-1 VARIOUS DIST-A 1.09Feb 23, 2024
Jan 19, 2024 1RT Total Absent 4019002-01-3 VARIOUS DIST-A 1.06Feb 01, 2024
Jan 19, 2024 1RT Total Absent 4019002-01-2 VARIOUS DIST-A 1.06Feb 01, 2024
Jan 19, 2024 1RT Total Absent 4019002-01-1 VARIOUS DIST-A 1.06Feb 01, 2024
Dec 21, 2023 1RT Total Absent 3355015-01-3 VARIOUS DIST-A 0.91Jan 05, 2024
Dec 21, 2023 1RT Total Absent 3355015-01-2 VARIOUS DIST-A 0.91Jan 05, 2024
Dec 21, 2023 1RT Total Absent 3355015-01-1 VARIOUS DIST-A 0.91Jan 05, 2024
Nov 16, 2023 1RT Total Absent 3320029-01-3 VARIOUS DIST-A 0.82Dec 04, 2023
Nov 16, 2023 1RT Total Absent 3320029-01-2 VARIOUS DIST-A 0.82Dec 04, 2023
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Nov 16, 2023 1RT Total Absent 3320029-01-1 VARIOUS DIST-A 0.82Dec 04, 2023
Oct 19, 2023 1RT Total Absent 3292007-01-3 VARIOUS DIST-A 1.01Nov 03, 2023
Oct 19, 2023 1RT Total Absent 3292007-01-2 VARIOUS DIST-A 1.01Nov 03, 2023
Oct 19, 2023 1RT Total Absent 3292007-01-1 VARIOUS DIST-A 1.01Nov 03, 2023
Sep 21, 2023 1RT Total Absent 3264019-01-3 VARIOUS DIST-A 1.25Sep 26, 2023
Sep 21, 2023 1RT Total Absent 3264019-01-2 VARIOUS DIST-A 1.25Sep 26, 2023
Sep 21, 2023 1RT Total Absent 3264019-01-1 VARIOUS DIST-A 1.25Sep 26, 2023
Aug 17, 2023 1RT Total Absent 3229030-01-3 VARIOUS DIST-A 1.11Sep 06, 2023
Aug 17, 2023 1RT Total Absent 3229030-01-2 VARIOUS DIST-A 1.11Sep 06, 2023
Aug 17, 2023 1RT Total Absent 3229030-01-1 VARIOUS DIST-A 1.11Sep 06, 2023
Jul 20, 2023 1RT Total Absent 3201020-01-3 VARIOUS DIST-A 0.94Aug 04, 2023
Jul 20, 2023 1RT Total Absent 3201020-01-2 VARIOUS DIST-A 0.94Aug 04, 2023
Jul 20, 2023 1RT Total Absent 3201020-01-1 VARIOUS DIST-A 0.94Aug 04, 2023
Jun 15, 2023 1RT Total Absent 3166035-01-3 VARIOUS DIST-A 1.19Jun 22, 2023
Jun 15, 2023 1RT Total Absent 3166035-01-2 VARIOUS DIST-A 1.19Jun 22, 2023
Jun 15, 2023 1RT Total Absent 3166035-01-1 VARIOUS DIST-A 1.19Jun 22, 2023
May 18, 2023 1RT Total Absent 3138029-01-3 VARIOUS DIST-A 0.96Jun 08, 2023
May 18, 2023 1RT Total Absent 3138029-01-2 VARIOUS DIST-A 0.96Jun 08, 2023
May 18, 2023 1RT Total Absent 3138029-01-1 VARIOUS DIST-A 0.96Jun 08, 2023
Apr 20, 2023 1RT Total Absent 3110031-01-3 VARIOUS DIST-A 1.04Apr 27, 2023
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Apr 20, 2023 1RT Total Absent 3110031-01-2 VARIOUS DIST-A 1.04Apr 27, 2023
Apr 20, 2023 1RT Total Absent 3110031-01-1 VARIOUS DIST-A 1.04Apr 27, 2023
Mar 22, 2023 1RT Total Absent 3081004-01-3 VARIOUS DIST-A 1.03Mar 23, 2023
Mar 22, 2023 1RT Total Absent 3081004-01-2 VARIOUS DIST-A 1.03Mar 23, 2023
Mar 22, 2023 1RT Total Absent 3081004-01-1 VARIOUS DIST-A 1.03Mar 23, 2023
Feb 16, 2023 1RT Total Absent 3047022-01-3 VARIOUS DIST-A 1.28Feb 28, 2023
Feb 16, 2023 1RT Total Absent 3047022-01-2 VARIOUS DIST-A 1.28Feb 28, 2023
Feb 16, 2023 1RT Total Absent 3047022-01-1 VARIOUS DIST-A 1.28Feb 28, 2023
Jan 19, 2023 1RT Total Absent 3019010-01-3 VARIOUS DIST-A 1.12Jan 27, 2023
Jan 19, 2023 1RT Total Absent 3019010-01-2 VARIOUS DIST-A 1.12Jan 27, 2023
Jan 19, 2023 1RT Total Absent 3019010-01-1 VARIOUS DIST-A 1.12Jan 27, 2023



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 2023