OHA Drinking Water Services
OR41
PWS ID: 01186 ---- GRAHAM WATER ASSOCIATION
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  ::  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 07, 2026 1RT Total Absent 6007035-01 BATHROOM SINK DIST-A Jan 24, 2026
Oct 08, 2025 1RT Total Absent 5281053-01 BATHROOM SINK DIST-A Oct 21, 2025
Jul 09, 2025 1RT Total Absent 5190057-01 BATHROOM SINK DIST-A Jul 14, 2025
Apr 09, 2025 1RT Total Absent 5099076-01 REAR BATH SINK DIST-A Apr 14, 2025
Jan 08, 2025 1RT Total Absent 5008090-01 BATHROOM SINK DIST-A Jan 28, 2025
Oct 02, 2024 1RT Total Absent 4276056-01 BATHROOM SINK DIST-A Oct 15, 2024
Jul 10, 2024 1RT Total Absent 4192052-01 BATH SINK DIST-A Jul 26, 2024
Apr 03, 2024 1RT Total Absent 4094054-01 BATHROOM SINK DIST-A Apr 05, 2024
Jan 03, 2024 1RT Total Absent 4003069-01 BATH SINK DIST-A Jan 12, 2024
Oct 11, 2023 1RT Total Absent 3284046-01 BATHROOM SINK DIST-A Nov 02, 2023
Jul 12, 2023 1RT Total Absent 3193063-01 BATHROOM SINK DIST-A Jul 25, 2023
Apr 12, 2023 1RT Total Absent 3102041-01 BATHROOM SINK DIST-A Apr 17, 2023
Jan 11, 2023 1RT Total Absent 3011057-01 BATHROOM SINK DIST-A Jan 24, 2023



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  ::  Hide rejected samples  ::  Include results older than 2023