OHA Drinking Water Services
OR41
PWS ID: 94674 ---- SILVERTON RESERVOIR REC AREA
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 2022

Sample
Date		 #
Samples		 Sample
Type		 Coliform
Type		 Result Sample
ID		 Repeat of
Sample ID		 Sample
Site		 Facility Chlorine
Residual		 Received
Date
Oct 23, 2025 1RT Total Absent 20251023016 4381 SILVER FALLS DR DIST-A Oct 30, 2025
Aug 21, 2025 1RT Total Absent 20250821029 WELL HEAD DIST-A Aug 28, 2025
Apr 21, 2025 1RT Total Absent 20250421028 WELL HEAD DIST-A May 02, 2025
Jan 22, 2025 1RT Total Absent 20250122024 WELL HEAD DIST-A 0.00Feb 05, 2025
Oct 16, 2024 1RT Total Absent 20241016041 MARI WELL DIST-A Oct 23, 2024
Jul 22, 2024 1RT Total Absent 20240722016 WELL HEAD DIST-A Aug 01, 2024
May 07, 2024 1RT Total Absent 20240507037 WELL HEAD DIST-A May 17, 2024
Feb 07, 2024 1RT Total Absent 20240207019 WELL HEAD DIST-A Feb 14, 2024
Nov 13, 2023 1RT Total Absent 20231113061 WELL HEAD DIST-A 0.00Nov 20, 2023
Aug 23, 2023 1RT Total Absent 20230823054 WELL HEAD DIST-A Sep 07, 2023
Apr 03, 2023 1RT Total Absent 20230403039 4831 SILVER FALLS NE DIST-A 0.00Apr 18, 2023
Jan 11, 2023 1RT Total Absent 20230111032 WELL HEAD DIST-A Jan 20, 2023
Oct 25, 2022 1RT Total Absent 20221025013 RESERVOIR WELL HEAD DIST-A Oct 31, 2022
Aug 23, 2022 1RT Total Absent 20220823012 WELL HEAD DIST-A Sep 02, 2022
May 18, 2022 1RT Total Absent 20220518017 WELL HEAD DIST-A 0.00Jun 03, 2022
Feb 04, 2022 1RT Total Absent 20220204018 SILVERTON RES REC AR DIST-A Feb 16, 2022



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 2022


More information for this water system: SDWIS ID 1879
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