OHA Drinking Water Services
OR41
PWS ID: 00171 ---- CARLTON, CITY OF
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:  Hide 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
Jan 21, 2026 1RT Total Absent 170-3181-2 OFFICE SINK #2 - 945 W GRANT ST DIST-A 1.51Jan 23, 2026
RT E. coli Absent 170-3181-2 OFFICE SINK #2 - 945 W GRANT ST DIST-A 1.51
Jan 21, 2026 1RT Total Absent 170-3181-1 UTILITY SINK #1 - 945 W GRANT ST DIST-A 1.45Jan 23, 2026
RT E. coli Absent 170-3181-1 UTILITY SINK #1 - 945 W GRANT ST DIST-A 1.45
Dec 17, 2025 1RT Total Absent 170-2700-1 OFFICE SINK - #2 - 945 W GRANT ST DIST-A 1.60Dec 24, 2025
RT E. coli Absent 170-2700-1 OFFICE SINK - #2 - 945 W GRANT ST DIST-A 1.60
Dec 10, 2025 1RT Total Absent 170-2562-1 UTILITY SINK #1 945 W GRANT ST DIST-A 0.80Dec 13, 2025
RT E. coli Absent 170-2562-1 UTILITY SINK #1 945 W GRANT ST DIST-A 0.80
Nov 19, 2025 1RT Total Absent 170-2232-2A OFFICE SINK - #2 - 945 W GRANT ST DIST-A 1.45Nov 25, 2025
RT E. coli Absent 170-2232-2A OFFICE SINK - #2 - 945 W GRANT ST DIST-A 1.45
Nov 19, 2025 1RT Total Absent 170-2232-1A UTILITY SINK - #1 - 945 W GRANT ST DIST-A 1.59Nov 25, 2025
RT E. coli Absent 170-2232-1A UTILITY SINK - #1 - 945 W GRANT ST DIST-A 1.59
Oct 22, 2025 1RT Total Absent 170-1654-2 OFFICE SINK - #2 - 945 W GRANT ST DIST-A 1.25Nov 03, 2025
RT E. coli Absent 170-1654-2 OFFICE SINK - #2 - 945 W GRANT ST DIST-A 1.25
Oct 22, 2025 1RT Total Absent 170-1654-1 UTILITY SINK - #1 - 945 W GRANT ST DIST-A 1.34Nov 03, 2025
RT E. coli Absent 170-1654-1 UTILITY SINK - #1 - 945 W GRANT ST DIST-A 1.34
Sep 17, 2025 1RT Total Absent 170-1017-1 OFFICE SINK - #2 945 W GRANT ST DIST-A 1.07Sep 22, 2025
RT E. coli Absent 170-1017-1 OFFICE SINK - #2 945 W GRANT ST DIST-A 1.07
Sep 10, 2025 1RT Total Absent 170-881-1 #1 - 945 W GRANT ST - UTILITY SINK DIST-A 1.60Sep 22, 2025
RT E. coli Absent 170-881-1 #1 - 945 W GRANT ST - UTILITY SINK DIST-A 1.60
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Aug 20, 2025 1RT Total Absent 170-455-2 OFFICE SINK #2 DIST-A 0.99Sep 10, 2025
RT E. coli Absent 170-455-2 OFFICE SINK #2 DIST-A 0.99
Aug 20, 2025 1RT Total Absent 170-455-1 UTILITY SINK #1 DIST-A 0.88Sep 10, 2025
RT E. coli Absent 170-455-1 UTILITY SINK #1 DIST-A 0.88
Jul 16, 2025 1RT Total Absent 25-44526-2 DIST-A 1.08Jul 21, 2025
Jul 16, 2025 1RT Total Absent 25-44526-1 DIST-A 1.08Jul 21, 2025
Jun 18, 2025 1RT Total Absent 25-38369-2 DIST-A 1.14Jun 26, 2025
Jun 18, 2025 1RT Total Absent 25-38369-1 DIST-A 1.14Jun 26, 2025
May 21, 2025 1RT Total Absent 25-31630-2 DIST-A 1.34May 23, 2025
May 21, 2025 1RT Total Absent 25-31630-1 DIST-A 1.34May 23, 2025
Apr 16, 2025 1RT Total Absent 25-23359-2 DIST-A 1.50Apr 19, 2025
Apr 16, 2025 1RT Total Absent 25-23359-1 DIST-A 1.50Apr 19, 2025
Mar 12, 2025 1RT Total Absent 25-15442-2 DIST-A 1.46Mar 14, 2025
Mar 12, 2025 1RT Total Absent 25-15442-1 DIST-A 1.46Mar 14, 2025
Feb 26, 2025 1RT Total Absent 25-11670 DIST-A 1.25Feb 28, 2025
Feb 12, 2025 1RT Total Absent 25-08609 DIST-A 1.45Feb 19, 2025
Jan 22, 2025 1RT Total Absent 25-04359 DIST-A 1.83Jan 24, 2025
Jan 15, 2025 1RT Total Absent 25-02864 DIST-A 1.80Jan 20, 2025
Dec 11, 2024 1RT Total Absent 24-70833-2 DIST-A 1.62Dec 17, 2024
Dec 11, 2024 1RT Total Absent 24-70833-1 DIST-A 1.62Dec 17, 2024
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Nov 18, 2024 1RT Total Absent 24-66184-2 DIST-A 0.93Nov 22, 2024
Nov 18, 2024 1RT Total Absent 24-66184-1 DIST-A 0.93Nov 22, 2024
Oct 16, 2024 1RT Total Absent 24-60318-2 DIST-A 1.27Oct 18, 2024
Oct 16, 2024 1RT Total Absent 24-60318-1 DIST-A 1.27Oct 18, 2024
Sep 25, 2024 1RT Total Absent 24-55894-2 DIST-A 1.35Sep 27, 2024
Sep 25, 2024 1RT Total Absent 24-55894-1 DIST-A 1.35Sep 27, 2024
Aug 21, 2024 1RT Total Absent 24-48205-2 DIST-A 0.44Aug 23, 2024
Aug 21, 2024 1RT Total Absent 24-48205-1 DIST-A 0.44Aug 23, 2024
Jul 24, 2024 1RT Total Absent 24-42071-2 DIST-A 0.83Jul 26, 2024
Jul 24, 2024 1RT Total Absent 24-42071-1 DIST-A 0.83Jul 26, 2024
Jun 12, 2024 1RT Total Absent 24-32363-2 DIST-A 1.16Jun 17, 2024
Jun 12, 2024 1RT Total Absent 24-32363-1 DIST-A 1.16Jun 17, 2024
May 15, 2024 1RT Total Absent 24-26404-2 DIST-A 1.40May 20, 2024
May 15, 2024 1RT Total Absent 24-26404-1 DIST-A 1.40May 20, 2024
Apr 17, 2024 1RT Total Absent 24-20202 DIST-A 1.43Apr 19, 2024
Apr 10, 2024 1RT Total Absent 24-18677 DIST-A 1.38Apr 12, 2024
Mar 20, 2024 1RT Total Absent 24-14658-2 DIST-A 1.36Mar 22, 2024
Mar 20, 2024 1RT Total Absent 24-14658-1 DIST-A 1.36Mar 22, 2024
Feb 14, 2024 1RT Total Absent 24-08282-2 DIST-A 1.52Feb 16, 2024
Feb 14, 2024 1RT Total Absent 24-08282-1 DIST-A 1.52Feb 16, 2024
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Jan 24, 2024 1RT Total Absent 24-03870-2 DIST-A 1.41Jan 26, 2024
Jan 24, 2024 1RT Total Absent 24-03870-1 DIST-A 1.41Jan 26, 2024
Dec 13, 2023 1RT Total Absent 23-75888-2 DIST-A 1.26Dec 15, 2023
Dec 13, 2023 1RT Total Absent 23-75888-1 DIST-A 1.26Dec 15, 2023
Nov 15, 2023 1RT Total Absent 23-70190-2 DIST-A 1.18Nov 21, 2023
Nov 15, 2023 1RT Total Absent 23-70190-1 DIST-A 1.18Nov 21, 2023
Oct 18, 2023 1RT Total Absent 23-64227-2 DIST-A 0.91Oct 20, 2023
Oct 18, 2023 1RT Total Absent 23-64227-1 DIST-A 0.91Oct 20, 2023
Sep 20, 2023 1RT Total Absent 23-57609-2 DIST-A 3.10Sep 25, 2023
Sep 20, 2023 1RT Total Absent 23-57609-1 DIST-A 3.10Sep 25, 2023
Aug 16, 2023 1RT Total Absent 23-49468-2 DIST-A 1.25Sep 05, 2023
Aug 16, 2023 1RT Total Absent 23-49468-1 DIST-A 1.25Sep 05, 2023
Aug 16, 2023 1RT Total Absent 23-49467-2 DIST-A 1.25Aug 18, 2023
Aug 16, 2023 1RT Total Absent 23-49467-1 DIST-A 1.25Aug 18, 2023
Jul 27, 2023 1RT Total Absent 23-44498 DIST-A 0.88Jul 31, 2023
Jul 12, 2023 1RT Total Absent 23-40601 DIST-A 1.21Jul 14, 2023
Jun 07, 2023 1RT Total Absent 23-33129-2 DIST-A 1.32Jun 14, 2023
Jun 07, 2023 1RT Total Absent 23-33129-1 DIST-A 1.32Jun 14, 2023
May 17, 2023 1RT Total Absent 23-29048-2 DIST-A 1.30May 19, 2023
May 17, 2023 1RT Total Absent 23-29048-1 DIST-A 1.30May 19, 2023
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Apr 19, 2023 1RT Total Absent 23-22209-2 DIST-A 1.35May 03, 2023
Apr 19, 2023 1RT Total Absent 23-22209-1 DIST-A 1.35May 03, 2023
Apr 19, 2023 1RT Total Absent 23-22208-2 DIST-A 1.35Apr 20, 2023
Apr 19, 2023 1RT Total Absent 23-22208-1 DIST-A 1.35Apr 20, 2023
Mar 13, 2023 1RT Total Absent 23-13888-2 DIST-A 1.07Mar 14, 2023
Mar 13, 2023 1RT Total Absent 23-13888-1 DIST-A 1.07Mar 14, 2023
Feb 15, 2023 1RT Total Absent 23-09007 DIST-A 1.25Mar 06, 2023
Feb 08, 2023 1RT Total Absent 23-07622 DIST-A 1.28Feb 09, 2023
Jan 25, 2023 1RT Total Absent 23-04836 DIST-A 1.01Jan 27, 2023
Jan 18, 2023 1RT Total Absent 23-03580 DIST-A 1.32Jan 24, 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:  Hide special samples  ::  Show rejected samples  ::  Include results older than 2023


More information for this water system: SDWIS ID 4689
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