OHA Drinking Water Services
OR41
PWS ID: 00581 ---- OAKLAND, 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 15, 2026 1RT Total Absent 6011503-01-4 DIST-A 1.45Jan 21, 2026
Jan 15, 2026 1RT Total Absent 6011503-01-3 DIST-A 1.45Jan 21, 2026
Jan 15, 2026 1RT Total Absent 6011503-01-2 DIST-A 1.45Jan 21, 2026
Jan 15, 2026 1RT Total Absent 6011503-01-1 DIST-A 1.45Jan 21, 2026
Dec 11, 2025 1RT Total Absent 5121114-01-4 DIST-A 1.36Dec 22, 2025
Dec 11, 2025 1RT Total Absent 5121114-01-3 DIST-A 1.36Dec 22, 2025
Dec 11, 2025 1RT Total Absent 5121114-01-2 DIST-A 1.36Dec 22, 2025
Dec 11, 2025 1RT Total Absent 5121114-01-1 DIST-A 1.36Dec 22, 2025
Nov 13, 2025 1RT Total Absent 5111304-01-4 DIST-A 1.47Nov 20, 2025
Nov 13, 2025 1RT Total Absent 5111304-01-3 DIST-A 1.47Nov 20, 2025
Nov 13, 2025 1RT Total Absent 5111304-01-2 DIST-A 1.47Nov 20, 2025
Nov 13, 2025 1RT Total Absent 5111304-01-1 DIST-A 1.47Nov 20, 2025
Oct 08, 2025 1RT Total Absent 5100811-01-3 DIST-A 1.18Oct 13, 2025
Oct 08, 2025 1RT Total Absent 5100811-01-2 DIST-A 1.18Oct 13, 2025
Oct 08, 2025 1RT Total Absent 5100811-01-1 DIST-A 1.18Oct 13, 2025
Sep 18, 2025 1RT Total Absent 5091802-01-4 DIST-A 1.53Sep 29, 2025
Sep 18, 2025 1RT Total Absent 5091802-01-3 DIST-A 1.53Sep 29, 2025
Sep 18, 2025 1RT Total Absent 5091802-01-2 DIST-A 1.53Sep 29, 2025
Sep 18, 2025 1RT Total Absent 5091802-01-1 DIST-A 1.53Sep 29, 2025
Sep 09, 2025 1SP Total Absent 5090904-01 BATHROOM SINK DIST-A 1.21Sep 10, 2025
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Aug 19, 2025 1RT Total Absent 5081910-01-4 DIST-A 1.29Sep 02, 2025
Aug 19, 2025 1RT Total Absent 5081910-01-3 DIST-A 1.29Sep 02, 2025
Aug 19, 2025 1RT Total Absent 5081910-01-2 DIST-A 1.29Sep 02, 2025
Aug 19, 2025 1RT Total Absent 5081910-01-1 DIST-A 1.29Sep 02, 2025
Jul 30, 2025 1SP Total Absent 5073006-01 499 NE SPRUCE OES LUNCH SINK DIST-A 1.35Jul 31, 2025
Jul 17, 2025 1RT Total Absent 5071710-01-4 DIST-A 1.61Jul 28, 2025
Jul 17, 2025 1RT Total Absent 5071710-01-3 DIST-A 1.61Jul 28, 2025
Jul 17, 2025 1RT Total Absent 5071710-01-2 DIST-A 1.61Jul 28, 2025
Jul 17, 2025 1RT Total Absent 5071710-01-1 DIST-A 1.61Jul 28, 2025
Jun 12, 2025 1RT Total Absent 5061202-01-4 DIST-A 1.42Jun 19, 2025
Jun 12, 2025 1RT Total Absent 5061202-01-3 DIST-A 1.42Jun 19, 2025
Jun 12, 2025 1RT Total Absent 5061202-01-2 DIST-A 1.42Jun 19, 2025
Jun 12, 2025 1RT Total Absent 5061202-01-1 DIST-A 1.42Jun 19, 2025
May 15, 2025 1RT Total Absent 5051520-01-4 DIST-A 0.83May 28, 2025
May 15, 2025 1RT Total Absent 5051520-01-3 DIST-A 0.83May 28, 2025
May 15, 2025 1RT Total Absent 5051520-01-2 DIST-A 0.83May 28, 2025
May 15, 2025 1RT Total Absent 5051520-01-1 DIST-A 0.83May 28, 2025
Apr 10, 2025 1RT Total Absent 5041001-01-4 DIST-A 1.44Apr 16, 2025
Apr 10, 2025 1RT Total Absent 5041001-01-3 DIST-A 1.44Apr 16, 2025
Apr 10, 2025 1RT Total Absent 5041001-01-2 DIST-A 1.44Apr 16, 2025
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Apr 10, 2025 1RT Total Absent 5041001-01-1 DIST-A 1.44Apr 16, 2025
Mar 13, 2025 1RT Total Absent 5031302-01-4 DIST-A 1.40Mar 20, 2025
Mar 13, 2025 1RT Total Absent 5031302-01-3 DIST-A 1.40Mar 20, 2025
Mar 13, 2025 1RT Total Absent 5031302-01-2 DIST-A 1.40Mar 20, 2025
Mar 13, 2025 1RT Total Absent 5031302-01-1 DIST-A 1.40Mar 20, 2025
Feb 13, 2025 1RT Total Absent 5021302-01-4 DIST-A 1.33Feb 19, 2025
Feb 13, 2025 1RT Total Absent 5021302-01-3 DIST-A 1.33Feb 19, 2025
Feb 13, 2025 1RT Total Absent 5021302-01-2 DIST-A 1.33Feb 19, 2025
Feb 13, 2025 1RT Total Absent 5021302-01-1 DIST-A 1.33Feb 19, 2025
Jan 16, 2025 1RT Total Absent 5011604-01-4 DIST-A 1.27Jan 27, 2025
Jan 16, 2025 1RT Total Absent 5011604-01-3 DIST-A 1.27Jan 27, 2025
Jan 16, 2025 1RT Total Absent 5011604-01-2 DIST-A 1.27Jan 27, 2025
Jan 16, 2025 1RT Total Absent 5011604-01-1 DIST-A 1.27Jan 27, 2025
Dec 12, 2024 1RT Total Absent 4121202-01-4 DIST-A 1.46Dec 23, 2024
Dec 12, 2024 1RT Total Absent 4121202-01-3 DIST-A 1.46Dec 23, 2024
Dec 12, 2024 1RT Total Absent 4121202-01-2 DIST-A 1.46Dec 23, 2024
Dec 12, 2024 1RT Total Absent 4121202-01-1 DIST-A 1.46Dec 23, 2024
Nov 13, 2024 1RT Total Absent 4111319-01-4 DIST-A 1.34Nov 26, 2024
Nov 13, 2024 1RT Total Absent 4111319-01-3 DIST-A 1.34Nov 26, 2024
Nov 13, 2024 1RT Total Absent 4111319-01-2 DIST-A 1.34Nov 26, 2024
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Nov 13, 2024 1RT Total Absent 4111319-01-1 DIST-A 1.34Nov 26, 2024
Oct 17, 2024 1RT Total Absent 4101717-01-4 DIST-A 1.02Oct 25, 2024
Oct 17, 2024 1RT Total Absent 4101717-01-3 DIST-A 1.02Oct 25, 2024
Oct 17, 2024 1RT Total Absent 4101717-01-2 DIST-A 1.02Oct 25, 2024
Oct 17, 2024 1RT Total Absent 4101717-01-1 DIST-A 1.02Oct 25, 2024
Sep 18, 2024 1SP Total Absent 4091822-01 16995 HWY 99N DIST-A 1.39Sep 19, 2024
Sep 12, 2024 1RT Total Absent 4091208-01-4 DIST-A 1.50Sep 23, 2024
Sep 12, 2024 1RT Total Absent 4091208-01-3 DIST-A 1.50Sep 23, 2024
Sep 12, 2024 1RT Total Absent 4091208-01-2 DIST-A 1.50Sep 23, 2024
Sep 12, 2024 1RT Total Absent 4091208-01-1 DIST-A 1.50Sep 23, 2024
Aug 15, 2024 1RT Total Absent 4081504-01-4 DIST-A 1.45Sep 04, 2024
Aug 15, 2024 1RT Total Absent 4081504-01-3 DIST-A 1.45Sep 04, 2024
Aug 15, 2024 1RT Total Absent 4081504-01-2 DIST-A 1.45Sep 04, 2024
Aug 15, 2024 1RT Total Absent 4081504-01-1 DIST-A 1.45Sep 04, 2024
Jul 18, 2024 1RT Total Absent 4071811-01-4 DIST-A 1.19Jul 26, 2024
Jul 18, 2024 1RT Total Absent 4071811-01-3 DIST-A 1.19Jul 26, 2024
Jul 18, 2024 1RT Total Absent 4071811-01-2 DIST-A 1.19Jul 26, 2024
Jul 18, 2024 1RT Total Absent 4071811-01-1 DIST-A 1.19Jul 26, 2024
Jun 13, 2024 1RT Total Absent 4061303-01-4 DIST-A 1.17Jun 24, 2024
Jun 13, 2024 1RT Total Absent 4061303-01-3 DIST-A 1.17Jun 24, 2024
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Jun 13, 2024 1RT Total Absent 4061303-01-2 DIST-A 1.17Jun 24, 2024
Jun 13, 2024 1RT Total Absent 4061303-01-1 DIST-A 1.17Jun 24, 2024
May 16, 2024 1RT Total Absent 4051601-01-4 DIST-A 1.30May 22, 2024
May 16, 2024 1RT Total Absent 4051601-01-3 DIST-A 1.30May 22, 2024
May 16, 2024 1RT Total Absent 4051601-01-2 DIST-A 1.30May 22, 2024
May 16, 2024 1RT Total Absent 4051601-01-1 DIST-A 1.30May 22, 2024
Apr 18, 2024 1RT Total Absent 4041802-01-4 DIST-A 1.46May 02, 2024
Apr 18, 2024 1RT Total Absent 4041802-01-3 DIST-A 1.46May 02, 2024
Apr 18, 2024 1RT Total Absent 4041802-01-2 DIST-A 1.46May 02, 2024
Apr 18, 2024 1RT Total Absent 4041802-01-1 DIST-A 1.46May 02, 2024
Mar 14, 2024 1RT Total Absent 4031405-01-4 DIST-A 1.20Mar 21, 2024
Mar 14, 2024 1RT Total Absent 4031405-01-3 DIST-A 1.20Mar 21, 2024
Mar 14, 2024 1RT Total Absent 4031405-01-2 DIST-A 1.20Mar 21, 2024
Mar 14, 2024 1RT Total Absent 4031405-01-1 DIST-A 1.20Mar 21, 2024
Feb 15, 2024 1RT Total Absent 4021504-02-3 DIST-A 1.34Feb 21, 2024
Feb 15, 2024 1RT Total Absent 4021504-02-2 DIST-A 1.34Feb 21, 2024
Feb 15, 2024 1RT Total Absent 4021504-02-1 DIST-A 1.34Feb 21, 2024
Jan 22, 2024 1RT Total Absent 4012205-01-2 DIST-A 1.69Jan 31, 2024
Jan 22, 2024 1RT Total Absent 4012205-01-1 DIST-A 1.69Jan 31, 2024
Jan 18, 2024 1RT Total Absent 4011806-03-2 DIST-A 1.39Jan 31, 2024
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Jan 18, 2024 1RT Total Absent 4011806-03-1 DIST-A 1.39Jan 31, 2024
Dec 14, 2023 1RT Total Absent 3121402-01-4 DIST-A 1.94Dec 20, 2023
Dec 14, 2023 1RT Total Absent 3121402-01-3 DIST-A 1.94Dec 20, 2023
Dec 14, 2023 1RT Total Absent 3121402-01-2 DIST-A 1.94Dec 20, 2023
Dec 14, 2023 1RT Total Absent 3121402-01-1 DIST-A 1.94Dec 20, 2023
Nov 16, 2023 1RT Total Absent 3111621-01-4 DIST-A 1.42Nov 27, 2023
Nov 16, 2023 1RT Total Absent 3111621-01-3 DIST-A 1.42Nov 27, 2023
Nov 16, 2023 1RT Total Absent 3111621-01-2 DIST-A 1.42Nov 27, 2023
Nov 16, 2023 1RT Total Absent 3111621-01-1 DIST-A 1.42Nov 27, 2023
Oct 19, 2023 1RT Total Absent 3101906-01-4 DIST-A 1.18Oct 30, 2023
Oct 19, 2023 1RT Total Absent 3101906-01-3 DIST-A 1.18Oct 30, 2023
Oct 19, 2023 1RT Total Absent 3101906-01-2 DIST-A 1.18Oct 30, 2023
Oct 19, 2023 1RT Total Absent 3101906-01-1 DIST-A 1.18Oct 30, 2023
Sep 14, 2023 1RT Total Absent 3091403-01-4 DIST-A 1.29Sep 25, 2023
Sep 14, 2023 1RT Total Absent 3091403-01-3 DIST-A 1.29Sep 25, 2023
Sep 14, 2023 1RT Total Absent 3091403-01-2 DIST-A 1.29Sep 25, 2023
Sep 14, 2023 1RT Total Absent 3091403-01-1 DIST-A 1.29Sep 25, 2023
Aug 17, 2023 1RT Total Absent 3081710-01-4 DIST-A 0.74Sep 05, 2023
Aug 17, 2023 1RT Total Absent 3081710-01-3 DIST-A 0.74Sep 05, 2023
Aug 17, 2023 1RT Total Absent 3081710-01-2 DIST-A 0.74Sep 05, 2023
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Aug 17, 2023 1RT Total Absent 3081710-01-1 DIST-A 0.74Sep 05, 2023
Jul 20, 2023 1RT Total Absent 3072007-01-4 DIST-A 1.12Aug 03, 2023
Jul 20, 2023 1RT Total Absent 3072007-01-3 DIST-A 1.12Aug 03, 2023
Jul 20, 2023 1RT Total Absent 3072007-01-2 DIST-A 1.12Aug 03, 2023
Jul 20, 2023 1RT Total Absent 3072007-01-1 DIST-A 1.12Aug 03, 2023
Jun 15, 2023 1RT Total Absent 3061506-01-4 DIST-A 1.11Jun 19, 2023
Jun 15, 2023 1RT Total Absent 3061506-01-3 DIST-A 1.11Jun 19, 2023
Jun 15, 2023 1RT Total Absent 3061506-01-2 DIST-A 1.11Jun 19, 2023
Jun 15, 2023 1RT Total Absent 3061506-01-1 DIST-A 1.11Jun 19, 2023
May 11, 2023 1RT Total Absent 3051103-01-4 DIST-A 1.15May 18, 2023
May 11, 2023 1RT Total Absent 3051103-01-3 DIST-A 1.15May 18, 2023
May 11, 2023 1RT Total Absent 3051103-01-2 DIST-A 1.15May 18, 2023
May 11, 2023 1RT Total Absent 3051103-01-1 DIST-A 1.15May 18, 2023
Apr 13, 2023 1RT Total Absent 3041306-01-4 DIST-A 1.28Apr 21, 2023
Apr 13, 2023 1RT Total Absent 3041306-01-3 DIST-A 1.28Apr 21, 2023
Apr 13, 2023 1RT Total Absent 3041306-01-2 DIST-A 1.28Apr 21, 2023
Apr 13, 2023 1RT Total Absent 3041306-01-1 DIST-A 1.28Apr 21, 2023
Mar 09, 2023 1RT Total Absent 3030903-01-4 DIST-A 1.33Mar 24, 2023
Mar 09, 2023 1RT Total Absent 3030903-01-3 DIST-A 1.33Mar 24, 2023
Mar 09, 2023 1RT Total Absent 3030903-01-2 DIST-A 1.33Mar 24, 2023
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Mar 09, 2023 1RT Total Absent 3030903-01-1 DIST-A 1.33Mar 24, 2023
Feb 09, 2023 1RT Total Absent 3020923-01-4 DIST-A 1.24Feb 23, 2023
Feb 09, 2023 1RT Total Absent 3020923-01-3 DIST-A 1.24Feb 23, 2023
Feb 09, 2023 1RT Total Absent 3020923-01-2 DIST-A 1.24Feb 23, 2023
Feb 09, 2023 1RT Total Absent 3020923-01-1 DIST-A 1.24Feb 23, 2023
Jan 18, 2023 1RT Total Absent 3011804-01-4 DIST-A 1.36Feb 03, 2023
Jan 18, 2023 1RT Total Absent 3011804-01-3 DIST-A 1.36Feb 03, 2023
Jan 18, 2023 1RT Total Absent 3011804-01-2 DIST-A 1.36Feb 03, 2023
Jan 18, 2023 1RT Total Absent 3011804-01-1 DIST-A 1.36Feb 03, 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 3979
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