OHA Drinking Water Services
OR41
PWS ID: 05318 ---- WEST SHANNON WATER SYSTEM
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:  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 30, 2025 1RT Total Absent 5303020-01 EXT SPIGOT DIST-A 0.20Nov 03, 2025
Oct 23, 2024 1RT Total Absent 4297028-01 EXT SPIGOT DIST-A 0.00Oct 30, 2024
Jan 04, 2023 1RT Total Absent 3004046-01 EXTERIOR FAUCET DIST-A 0.40Jan 24, 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:  Show special samples  ::  Show rejected samples  ::  Include results older than 2023


More information for this water system: SDWIS ID 3006
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PFAS data are now located on the Chemical Results page.
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