OHA Drinking Water Services
OR41
PWS ID: 94713 ---- COLUMBIA RIDGE LANDFILL/RECYCL
Coliform Results

See also:  Coliform Fact Sheet  ::  Coliform Schedules  ::  Archived Results  ::  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 2022

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 T5H2012-02 DIST-A Aug 26, 2025
Jun 11, 2025 1RT Total Absent T5F1102-01 DIST-A Jun 19, 2025
May 14, 2025 1RT Total Absent T5E1409-01 DIST-A May 19, 2025
Apr 23, 2025 1RT Total Absent T5D2307-01 DIST-A Apr 25, 2025
Mar 25, 2025 1RT Total Absent T5C2506-01 DIST-A Mar 27, 2025
Feb 20, 2025 1RT Total Absent T5B2005-01 DIST-A Feb 26, 2025
Jan 29, 2025 1RT Total Absent T5A2902-01 DIST-A Jan 31, 2025
Dec 18, 2024 1RT Total Absent T4L1807-01 DIST-A Dec 20, 2024
Oct 16, 2024 1RT Total Absent T4J1605-01 DIST-A Oct 18, 2024
Sep 18, 2024 1RT Total Absent T4I1805-01 DIST-A Sep 27, 2024
Jul 09, 2024 1RT Total Absent T4G0905-01 DIST-A Jul 10, 2024
Jun 19, 2024 1RT Total Absent T4F1913-01 DIST-A Jun 20, 2024
May 21, 2024 1RT Total Absent T4E2111-01 DIST-A May 24, 2024
Apr 24, 2024 1RT Total Absent T4D2407-01 DIST-A Apr 29, 2024
Mar 20, 2024 1RT Total Absent T4C2004-01 DIST-A Mar 22, 2024
Feb 21, 2024 1RT Total Absent T4B2107-01 DIST-A Feb 28, 2024
Jan 24, 2024 1RT Total Absent T4A2405-01 DIST-A Feb 01, 2024
Dec 19, 2023 1RT Total Absent T3L1913-01 DIST-A Dec 21, 2023
Nov 28, 2023 1RT Total Absent T3K2808-01 DIST-A Dec 01, 2023
Oct 26, 2023 1RT Total Absent T3J2605-01 DIST-A Nov 06, 2023
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Sep 27, 2023 1RT Total Absent T3I2708-01 DIST-A Sep 29, 2023
Aug 30, 2023 1RT Total Absent T3H3003-01 DIST-A Sep 06, 2023
Jul 26, 2023 1RT Total Absent T3G2606-01 DIST-A Jul 31, 2023
Jun 22, 2023 1TG Total Absent T3F2205-04 T3F2003-01 WELL #1 SRC-AA Jun 23, 2023
Jun 22, 2023 1RP Total Absent T3F2205-03 T3F2003-01 LOWER OFFICE LUNCH ROOM DIST-A Jun 23, 2023
Jun 22, 2023 1RP Total Absent T3F2205-02 T3F2003-01 UPPER SCALE HOUSE SINK DIST-A Jun 23, 2023
Jun 22, 2023 1RP Total Absent T3F2205-01 T3F2003-01 OPS LUNCH ROOM WOMEN BATHROOM DIST-A Jun 23, 2023
Jun 20, 2023 1RT Total POSITIVE T3F2003-01 OPS WOMENS BATHRM DIST-A Jun 21, 2023
RT E. coli Absent T3F2003-01 OPS WOMENS BATHRM DIST-A
May 17, 2023 1RT Total Absent T3E1702-01 DIST-A May 19, 2023
Apr 18, 2023 1RT Total Absent T3D1802-01 DIST-A Apr 21, 2023
Mar 17, 2023 1TG Total Absent T3C1701-04 T3C1506-01 WELL #1 SRC-AA Mar 20, 2023
Mar 17, 2023 1RP Total Absent T3C1701-03 T3C1506-01 LOWER OFFICE LUNCH RM DIST-A Mar 20, 2023
Mar 17, 2023 1RP Total Absent T3C1701-02 T3C1506-01 OPS LUNCH RM DIST-A Mar 20, 2023
Mar 17, 2023 1RP Total Absent T3C1701-01 T3C1506-01 MAINT. SHOP-LUNCH RM DIST-A Mar 20, 2023
Mar 15, 2023 1RT Total POSITIVE T3C1506-01 MAINT SHOP LUNCH RM DIST-A Mar 16, 2023
RT E. coli Absent T3C1506-01 MAINT SHOP LUNCH RM DIST-A
Feb 22, 2023 1RT Total Absent T3B2201-01 DIST-A Feb 24, 2023
Jan 18, 2023 1RT Total Absent T3A1802-01 DIST-A Jan 19, 2023
Dec 13, 2022 1RT Total Absent T2L1308-01 DIST-A Dec 16, 2022
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Nov 17, 2022 1TG Total Absent T2K170304 T2K150601 WELL #1 SRC-AA Nov 18, 2022
Nov 17, 2022 1RP Total Absent T2K170303 T2K150601 LOWER OFFICE LUNCHROOM DIST-A Nov 18, 2022
Nov 17, 2022 1RP Total Absent T2K170302 T2K150601 UPPER SCALE HOUSE DIST-A Nov 18, 2022
Nov 17, 2022 1RP Total Absent T2K170301 T2K150601 SHOP LUNCH ROOM DIST-A Nov 18, 2022
Nov 15, 2022 1RT Total POSITIVE T2K150601 SHOP LUNCH ROOM DIST-A Nov 16, 2022
RT E. coli Absent T2K150601 SHOP LUNCH ROOM DIST-A
Oct 14, 2022 1TG Total Absent T2J140104 T2J120401 WELL #1 SRC-AA Oct 20, 2022
Oct 14, 2022 1RP Total Absent T2J140103 T2J120401 LOWER OFFICE LUNCHRM DIST-A Oct 20, 2022
Oct 14, 2022 1RP Total Absent T2J140102 T2J120401 SCALE HOUSE BATHROOM DIST-A Oct 20, 2022
Oct 14, 2022 1RP Total Absent T2J140101 T2J120401 SHOP LUNCH ROOM DIST-A Oct 20, 2022
Oct 12, 2022 1RT Total POSITIVE T2J120401 19177 CEDAR SPGS SCALEHOUSE BR DIST-A Oct 13, 2022
RT E. coli Absent T2J120401 19177 CEDAR SPGS SCALEHOUSE BR DIST-A
Sep 13, 2022 1RT Total Absent T2I130601 DIST-A Sep 15, 2022
Aug 09, 2022 1RT Total Absent T2H090501 DIST-A Aug 11, 2022
Jul 05, 2022 1RT Total Absent T2G050701 DIST-A Jul 07, 2022
Jun 08, 2022 1RT Total Absent T2F080701 DIST-A Jun 13, 2022
May 11, 2022 1RT Total Absent T2E110501 DIST-A May 12, 2022
Apr 06, 2022 1RT Total Absent T2D060201 DIST-A Apr 08, 2022
Mar 16, 2022 1RT Total Absent T2C160401 DIST-A Mar 18, 2022
Feb 22, 2022 1RT Total Absent T2B220301 DIST-A Feb 23, 2022
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Jan 26, 2022 1RT Total Absent T2A260801 DIST-A Jan 28, 2022



See also:  Coliform Fact Sheet  ::  Coliform Schedules  ::  Archived Results  ::  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 2022


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