OHA Drinking Water Services
OR41
PWS ID: 91899 ---- WILLIAMS ELEMENTARY
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 14, 2025 1RT Total Absent 25100697_01A KITCHEN PREP SINK DIST-A 0.00Oct 17, 2025
Jul 08, 2025 1RT Total Absent 25070328_01A READING ROOM 12 DIST-A 0.00Jul 22, 2025
Apr 08, 2025 1RT Total Absent 25040387_01A ROOM 7 DIST-A 0.00Apr 24, 2025
Jan 07, 2025 1RT Total Absent 25010206_01A KITCHEN PREP SINK DIST-A 0.00Jan 08, 2025
Oct 01, 2024 1RT Total Absent 24100026_01A KITCHEN PREP SINK DIST-A 0.00Oct 09, 2024
Jul 08, 2024 1RT Total Absent 24070278_01A READING ROOM 12 DIST-A Aug 02, 2024
Apr 08, 2024 1RT Total Absent 24040385_01A ROOM 7 DIST-A Apr 12, 2024
Jan 09, 2024 1RT Total Absent 24010296_01A KITCHEN PREP SINK DIST-A Jan 12, 2024
Oct 18, 2023 1RT Total Absent 23100787_01A KITCHEN PREP SINK DIST-A Oct 20, 2023
Jul 24, 2023 1RT Total Absent 23071008_01A READING ROOM 12 DIST-A Aug 04, 2023
Apr 14, 2023 1RT Total Absent 23040567_01A ROOM 7 DIST-A Apr 21, 2023
Jan 13, 2023 1RT Total Absent 23010528_01A KITCHEN PREP SINK DIST-A Jan 23, 2023
Oct 20, 2022 1RT Total Absent 22100905_01A KITCHEN SINK DIST-A Oct 25, 2022
Jul 06, 2022 1RT Total Absent 22070167_01A READING ROOM 12 DIST-A Jul 28, 2022
Apr 15, 2022 1RT Total Absent 22040756_01A ROOM 7 DIST-A Apr 28, 2022
Jan 07, 2022 1RT Total Absent 22010263_01A KITCHEN PREP SINK DIST-A Jan 18, 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 1081
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