OHA Drinking Water Services
OR41
PWS ID: 05354 ---- WEST C IMPROVEMENT DIST
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
Oct 20, 2025 1RT Total Absent 175-1201-1 999 NW 74TH BATH FAUCET DIST-A Oct 24, 2025
RT E. coli Absent 175-1201-1 999 NW 74TH BATH FAUCET DIST-A
Oct 03, 2024 1RP Total Absent 24-57382 24-55235 999 NW 74TH ST DIST-A Oct 04, 2024
Oct 03, 2024 1TG Total Absent 24-57381 24-55235 WELL #2 SRC-AB Oct 04, 2024
Sep 23, 2024 1RT Total POSITIVE 24-55235 OUTSIDE FAUCET DIST-A Sep 24, 2024
RT E. coli Absent 24-55235 OUTSIDE FAUCET DIST-A
Jan 23, 2023 1RT Total Absent 23-04197 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  ::  Show rejected samples  ::  Include results older than 2023