OHA Drinking Water Services
OR41
PWS ID: 95613 ---- HILLSBORO LANDFILL
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:  Show special samples  ::  Hide 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
Rejected
Reason
Jan 28, 2026 1RT Total Absent 280-194731-A-1 DIST-A 0.20Jan 29, 2026
Oct 29, 2025 1AS Total Absent 380-180245-3 WELL 2 SRC-AB Nov 04, 2025
Oct 29, 2025 1AS Total Absent 380-180245-2 WELL 1 SRC-AA Nov 04, 2025
Oct 29, 2025 1RT Total Absent 380-180245-1 DIST-A 1.40Nov 04, 2025
Aug 06, 2025 1RT Total Absent 380-165020-1 DIST-A 1.80Aug 08, 2025
Jul 28, 2025 1RT Total Absent 380-163254-1 DIST-A 0.80Jul 30, 2025
Jan 29, 2025 1RT Total Absent 380-133035-1 DIST-A 0.20Jan 31, 2025
Oct 29, 2024 1AS Total Absent 380-119889-3 WELL #2 SRC-AB Oct 31, 2024
Oct 29, 2024 1AS Total Absent 380-119889-2 WELL #1 SRC-AA Oct 31, 2024
Oct 29, 2024 1RT Total Absent 380-119889-1 DIST-A 0.20Oct 31, 2024
Aug 14, 2024 1RT Total Absent 380-108997-1 DIST-A 0.40Aug 20, 2024
Apr 17, 2024 1RT Total Absent 380-92125-1 DIST-A 1.20Apr 25, 2024
Mar 06, 2024 1RT Total Absent 380-86256-1 DIST-A 0.60Mar 11, 2024
Feb 21, 2024 1RT Total Absent 380-84304-1 DIST-A 0.00Feb 23, 2024
Jan 25, 2024 1RT Total Absent 380-80441-1 DIST-A 0.00Jan 30, 2024
Dec 13, 2023 1RT Total Absent 380-74996-1 DIST-A 0.20Dec 18, 2023
Nov 15, 2023 1RT Total Absent 380-71632-1 DIST-A 0.20Nov 17, 2023
Oct 31, 2023 1AS Total Absent 380-69365-3 WELL #W2 SRC-AB Nov 06, 2023
Oct 31, 2023 1AS Total Absent 380-69365-02 WELL #W1 SRC-AA Nov 06, 2023
Oct 31, 2023 1RT Total Absent 380-69365-01 DIST-A 0.20Nov 06, 2023
Sample
Date
#
Samples
Sample
Type
Coliform
Type
Result Sample
ID
Repeat of
Sample ID
Sample
Site
Facility Chlorine
Residual
Received
Date
Rejected
Reason
Sep 13, 2023 1RT Total Absent 380-63107-1 DIST-A Sep 25, 2023
Aug 16, 2023 1RT Total Absent 380-59461-1 DIST-A 0.00Aug 22, 2023
Jul 12, 2023 1RT Total Absent 380-54579-1 DIST-A 0.00Jul 27, 2023
Jun 15, 2023 1RT Total Absent 380-51453-1 DIST-A 0.00Jun 29, 2023
May 31, 2023 1RT Total Absent 380-49533-1 DIST-A 0.00Jun 05, 2023
Apr 12, 2023 1RT Total Absent 380-43592-1 DIST-A May 10, 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:  Show special samples  ::  Hide rejected samples  ::  Include results older than 2023