OHA Drinking Water Services
OR41
PWS ID: 06204 ---- KNIFE RIVER MATERIALS - CENTRAL OREGON
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:  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
Oct 15, 2025 1RT Total Absent B5J1513-01 DIST-A Oct 20, 2025
Jul 31, 2025 1RT Total Absent B5G3104-01 DIST-A Aug 08, 2025
May 13, 2025 1RT Total Absent B5E1308-01 DIST-A Jun 02, 2025
Feb 12, 2025 1RT Total Absent B5B1207-01 DIST-A Feb 27, 2025
Nov 08, 2024 1RT Total Absent B4K0802-01 DIST-A Nov 15, 2024
Jul 11, 2024 1RT Total Absent B4G1114-01 DIST-A Jul 22, 2024
May 22, 2024 1RT Total Absent B4E2210-01 DIST-A May 24, 2024
Feb 20, 2024 1RT Total Absent B4B2007-01 DIST-A Mar 01, 2024
Oct 17, 2023 1RT Total Absent B3J1709-01 DIST-A Oct 25, 2023
Aug 07, 2023 1RT Total Absent B3H0705-01 DIST-A Aug 21, 2023
Apr 11, 2023 1RT Total Absent B3D1107-01-2 DIST-A Apr 28, 2023
Apr 11, 2023 1RT Total Absent B3D1107-01-1 DIST-A Apr 28, 2023
Jan 10, 2023 1RT Total Absent B3A1013-01-2 DIST-A Jan 18, 2023
Jan 10, 2023 1RT Total Absent B3A1013-01-1 DIST-A Jan 18, 2023
Dec 06, 2022 1RT Total Absent B2L0605-01-3 DIST-A Dec 08, 2022
Dec 06, 2022 1RT Total Absent B2L0605-01-2 DIST-A Dec 08, 2022
Dec 06, 2022 1RT Total Absent B2L0605-01-1 DIST-A Dec 08, 2022
Nov 02, 2022 1AS Total POSITIVE B2K020803 WELL SRC-AB Nov 03, 2022
AS E. coli Absent B2K020803 WELL SRC-AB
Nov 02, 2022 1RT Total Absent B2K020802 DIST-A Nov 03, 2022
Sample
Date 		#
Samples 		Sample
Type 		Coliform
Type 		Result Sample
ID 		Repeat of
Sample ID 		Sample
Site 		Facility Chlorine
Residual 		Received
Date
Nov 02, 2022 1RT Total POSITIVE B2K020801 OFFICE BLDG ENTRY SINK DIST-A Nov 03, 2022
RT E. coli Absent B2K020801 OFFICE BLDG ENTRY SINK DIST-A
Jul 11, 2022 1RT Total Absent B2G110901-2 DIST-A Jul 21, 2022
Jul 11, 2022 1RT Total Absent B2G110901-1 DIST-A Jul 21, 2022
Apr 15, 2022 1RT Total Absent B2D150601-2 DIST-A Apr 19, 2022
Apr 15, 2022 1RT Total Absent B2D150601-1 DIST-A Apr 19, 2022
Jan 13, 2022 1RT Total Absent B2A130801-2 DIST-A Jan 19, 2022
Jan 13, 2022 1RT Total Absent B2A130801-1 DIST-A Jan 19, 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:  Show special samples  ::  Show rejected samples  ::  Include results older than 2022


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