OHA Drinking Water Services
OR41
PWS ID: 01096 ---- LAIDLAW WATER DISTRICT
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
Mar 12, 2026 1RT Total Absent 175-2872-1 SS#1 (TERREBONNE) DIST-A 0.04Mar 15, 2026
RT E. coli Absent 175-2872-1 SS#1 (TERREBONNE) DIST-A 0.04
Feb 16, 2026 1RT Total Absent 175-2583-1 SS #4 DIST-A 0.07Feb 19, 2026
RT E. coli Absent 175-2583-1 SS #4 DIST-A 0.07
Jan 07, 2026 1RT Total Absent 175-2109-1 SS #2 DIST-A 0.01Jan 08, 2026
RT E. coli Absent 175-2109-1 SS #2 DIST-A 0.01
Dec 08, 2025 1RT Total Absent 175-1809-1 LAIDLAW WATER SS #1 DIST-A 0.03Dec 14, 2025
RT E. coli Absent 175-1809-1 LAIDLAW WATER SS #1 DIST-A 0.03
Nov 17, 2025 1RT Total Absent 175-1540-1 SS #3 DIST-A 0.01Nov 21, 2025
RT E. coli Absent 175-1540-1 SS #3 DIST-A 0.01
Oct 08, 2025 1RT Total Absent 175-1053-1 SS #2 OTTER DIST-A 0.01Oct 11, 2025
RT E. coli Absent 175-1053-1 SS #2 OTTER DIST-A 0.01
Oct 08, 2025 1AS Total Absent 175-1052-2 SRC-CA HILLSIDE WELL SRC-CA Oct 11, 2025
AS E. coli Absent 175-1052-2 SRC-CA HILLSIDE WELL SRC-CA
Oct 08, 2025 1AS Total Absent 175-1052-1 SRC-AA SCHOOL WELL SRC-AA Oct 11, 2025
AS E. coli Absent 175-1052-1 SRC-AA SCHOOL WELL SRC-AA
Sep 15, 2025 1RT Total Absent 175-715-1 SS #3 DIST-A 0.21Sep 19, 2025
RT E. coli Absent 175-715-1 SS #3 DIST-A 0.21
Aug 27, 2025 1RT Total Absent 175-461-1 SS #1 DIST-A 0.01Aug 30, 2025
RT E. coli Absent 175-461-1 SS #1 DIST-A 0.01
Sample
Date
#
Samples
Sample
Type
Coliform
Type
Result Sample
ID
Repeat of
Sample ID
Sample
Site
Facility Chlorine
Residual
Received
Date
Rejected
Reason
Jul 21, 2025 1RT Total Absent 25-45587 DIST-A 0.01Jul 23, 2025
Jun 04, 2025 1RT Total Absent 25-34600 DIST-A 0.06Jun 06, 2025
May 21, 2025 1RT Total Absent 25-31572 DIST-A 0.17May 23, 2025
Apr 17, 2025 1RT Total Absent 25-23582 DIST-A 0.07Apr 18, 2025
Mar 17, 2025 1RT Total Absent 25-16307 DIST-A 0.07Mar 21, 2025
Feb 19, 2025 1RT Total Absent 25-10143 DIST-A 0.07Feb 21, 2025
Jan 13, 2025 1RT Total Absent 25-02017 DIST-A 0.07Jan 16, 2025
Dec 16, 2024 1RT Total Absent 24-71506 DIST-A 0.07Dec 17, 2024
Nov 04, 2024 1RT Total Absent 24-63420 DIST-A 0.17Nov 06, 2024
Oct 09, 2024 1RT Total Absent 24-58797 DIST-A 0.03Oct 11, 2024
Oct 09, 2024 1AS Total Absent 24-58796 HILLSIDE WELL SRC-CA Oct 11, 2024
Oct 09, 2024 1AS Total Absent 24-58795 SCHOOL WELL SRC-AA Oct 11, 2024
Sep 18, 2024 1RT Total Absent 24-54233 DIST-A 0.21Sep 19, 2024
Aug 14, 2024 1RT Total Absent 24-46438 DIST-A 0.18Aug 16, 2024
Jul 17, 2024 1RT Total Absent 24-40577 DIST-A 0.02Jul 18, 2024
Jun 26, 2024 1RT Total Absent 24-36424 DIST-A 0.03Jun 27, 2024
May 22, 2024 1RT Total Absent 24-27766 DIST-A 0.02May 24, 2024
Apr 17, 2024 1RT Total Absent 24-20146 DIST-A 0.02Apr 19, 2024
Mar 13, 2024 1RT Total Absent 24-13261 DIST-A 0.20Mar 15, 2024
Feb 21, 2024 1RT Total Absent 24-09370 DIST-A 0.21Feb 23, 2024
Sample
Date
#
Samples
Sample
Type
Coliform
Type
Result Sample
ID
Repeat of
Sample ID
Sample
Site
Facility Chlorine
Residual
Received
Date
Rejected
Reason
Jan 03, 2024 1RT Total Absent 24-00347 DIST-A 0.02Jan 05, 2024
Dec 13, 2023 1RT Total Absent 23-75585 DIST-A 0.02Dec 15, 2023
Nov 13, 2023 1RT Total Absent 23-69230 DIST-A 0.02Nov 14, 2023
Oct 31, 2023 1RT Total Absent 23-66438 DIST-A 0.08Nov 01, 2023
Sep 20, 2023 1RT Total Absent 23-57397 DIST-A 0.18Sep 22, 2023
Aug 23, 2023 1RT Total Absent 23-50865 DIST-A 0.03Aug 24, 2023
Jul 25, 2023 1RT Total Absent 23-43503 DIST-A 0.54Jul 26, 2023
Jun 26, 2023 1RP Total Absent 23-37195 23-36601 SS #2 DIST-A 0.09Jun 30, 2023
Jun 26, 2023 1RP Total Absent 23-37194 23-36601 SS #4 DIST-A 1.47Jun 30, 2023
Jun 26, 2023 1RP Total Absent 23-37193 23-36601 SS #3 DIST-A 0.07Jun 30, 2023
Jun 26, 2023 1TG Total Absent 23-37192 23-36601 HILLSIDE WELL SRC-CA Jun 30, 2023
Jun 26, 2023 1TG Total Absent 23-37191 23-36601 SCHOOL WELL SRC-AA Jun 30, 2023
Jun 21, 2023 1RT Total POSITIVE 23-36601 SS #3 DIST-A 0.08Jun 22, 2023
RT E. coli Absent 23-36601 SS #3 DIST-A 0.08
May 08, 2023 1RT Total Absent 23-26531 DIST-A 0.05May 12, 2023
Apr 26, 2023 1RT Total Absent 23-23483 DIST-A 0.06Apr 28, 2023
Mar 13, 2023 1RT Total Absent 23-13873 DIST-A 0.08Mar 17, 2023
Feb 22, 2023 1AS Total Absent 23-10250 SCHOOL WELLHOUSE SRC-AA Feb 23, 2023
Feb 20, 2023 1AS Total Absent 23-09614 HILLSIDE WELL SRC-CA Feb 22, 2023
Feb 15, 2023 1RT Total Absent 23-08912 DIST-A 0.47Feb 17, 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 26, 2023 1RT Total Absent 23-05071 DIST-A 1.84Jan 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:  Show special samples  ::  Hide rejected samples  ::  Include results older than 2023