OHA Drinking Water Services
OR41
PWS ID: 94811 ---- KNIFE RIVER PRESTRESS INC
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
Dec 02, 2025 1RT Total Absent 2512103_001A PREP SINK DIST-A 0.22Dec 04, 2025
Aug 28, 2025 1RT Total Absent 2508959_001A KITCHEN SINK DIST-A 0.24Sep 02, 2025
Jun 03, 2025 1RT Total Absent 2506095_002A COFFEE SINK DIST-A 0.29Jun 09, 2025
Jun 03, 2025 1AS Total Absent 2506095_001A WELL 4 SRC-AA Jun 09, 2025
Jan 28, 2025 1RT Total Absent 20250128005 WOMENS RR BREAK RM DIST-A 0.30Feb 07, 2025
Jan 28, 2025 1RT Total Absent 20250128-005 DIST-A 0.30Jan 31, 2025
Oct 09, 2024 1RT Total Absent 20241009007 WOMENS RR SINK DIST-A 0.80Oct 23, 2024
Oct 09, 2024 1RT Total Absent 20241009-007 DIST-A 0.80Oct 17, 2024
Aug 20, 2024 1AS Total Absent 20240820-001 WELL 4 SRC-AA Aug 27, 2024
Aug 20, 2024 1AS Total Absent 20240820001 WELL 4 SRC-AA Aug 29, 2024
Aug 07, 2024 1RT Total Absent 20240807026 BREAKROOM WOMENS RR DIST-A 2.50Aug 14, 2024
Aug 07, 2024 1RT Total Absent 20240807-026 DIST-A 2.50Aug 13, 2024
Apr 12, 2024 1RT Total Absent 20240412006 WOMENS RESTROOM DIST-A 2.00Apr 23, 2024
Jan 31, 2024 1RT Total Absent 20240131028 WOMENS RR SINK BR DIST-A 0.80Feb 09, 2024
Dec 18, 2023 1RT Total Absent 20231218055 WOMENS RR SINK DIST-A 2.00Dec 29, 2023
Dec 15, 2023 1AS Total Absent 20231215026 WELL 4 SRC-AA Dec 29, 2023
Aug 03, 2023 1RT Total Absent 20230803019 WOMENS RR TAP DIST-A 0.80Aug 11, 2023
Apr 26, 2023 1RT Total Absent 20230426140 BREAK RM WMN RR DIST-A 2.40May 05, 2023
Apr 26, 2023 1RT Total Absent 20230426-140 DIST-A 2.40May 02, 2023
Jan 12, 2023 1RT Total Absent 20230112052 WOMENS RR SINK BR DIST-A 2.00Jan 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:  Hide special samples  ::  Show rejected samples  ::  Include results older than 2023


More information for this water system: SDWIS ID 5
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