OHA Drinking Water Services
OR41
PWS ID: 94717 ---- COLUMBIA RIVER PUD
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 2023

Sample
Date
#
Samples
Sample
Type
Coliform
Type
Result Sample
ID
Repeat of
Sample ID
Sample
Site
Facility Chlorine
Residual
Received
Date
Feb 02, 2026 1RT Total Absent 6033031-01 DIST-A Feb 19, 2026
Oct 08, 2025 1RT Total Absent 5281045-01 HB DIST-A Oct 21, 2025
Aug 06, 2025 1RT Total Absent 5218039-01 HB DIST-A Aug 15, 2025
Apr 09, 2025 1RT Total Absent 5099063-01 HB DIST-A Apr 14, 2025
Jan 13, 2025 1RT Total Absent 5013015-01 HB DIST-A Jan 28, 2025
Oct 09, 2024 1RT Total Absent 4283037-01 HB DIST-A Oct 21, 2024
Jul 11, 2024 1RT Total Absent 4193022-01 HB DIST-A Jul 26, 2024
Apr 08, 2024 1RT Total Absent 4099035-01 HB DIST-A Apr 12, 2024
Feb 21, 2024 1RT Total Absent 4052041-01 HB DIST-A Mar 01, 2024
Oct 05, 2023 1RT Total Absent 3278023-01 HB DIST-A Oct 10, 2023
Jul 10, 2023 1RT Total Absent 3191022-01 HALL DRINKING FOUNTA DIST-A Jul 25, 2023
Apr 19, 2023 1RT Total Absent 3109035-01 HB DIST-A Apr 27, 2023
Jan 23, 2023 1RT Total Absent 3023014-01 HB DIST-A Jan 27, 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  ::  Show rejected samples  ::  Include results older than 2023