OHA Drinking Water Services
OR41
PWS ID: 94441 ---- TREE TOP
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:  Hide 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 05, 2026 1RT Total Absent 170-3450-1 HOSE BIB BY COLD RM - 1440 SILVERTON AVE, WOODBURN, OR 97071 DIST-A Feb 08, 2026
RT E. coli Absent 170-3450-1 HOSE BIB BY COLD RM - 1440 SILVERTON AVE, WOODBURN, OR 97071 DIST-A
Oct 08, 2025 1RT Total Absent 170-1436-1 BATCH RM DUMP STATION - 1440 SILVERTON RD, WOODBURN, OR 97071 DIST-A Oct 15, 2025
RT E. coli Absent 170-1436-1 BATCH RM DUMP STATION - 1440 SILVERTON RD, WOODBURN, OR 97071 DIST-A
Jun 16, 2025 1RT Total Absent 25-37457 DIST-A Jun 26, 2025
Mar 31, 2025 1RT Total Absent 25-19170 DIST-A Apr 04, 2025
Dec 10, 2024 1RT Total Absent 24-70526 DIST-A Dec 13, 2024
Sep 16, 2024 1RT Total Absent 24-53517 DIST-A Sep 20, 2024
Jun 21, 2024 1RT Total Absent 24-35332 DIST-A Jun 25, 2024
Mar 25, 2024 1RT Total Absent PEC0019-01 DIST-A Apr 02, 2024
Dec 20, 2023 1RT Total Absent 23-77740 DIST-A Dec 21, 2023
Sep 12, 2023 1RT Total Absent 23-55570 DIST-A Sep 14, 2023
Jun 30, 2023 1RT Total Absent 23-38511 DIST-A Jul 06, 2023
Mar 31, 2023 1RT Total Absent 23-17631 DIST-A Apr 03, 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:  Hide special samples  ::  Show rejected samples  ::  Include results older than 2023