OHA Drinking Water Services
OR41
PWS ID: 05754 ---- BLACKWELL WATER SYSTEM
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  ::  Hide 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
Rejected
Reason
Mar 19, 2026 1RT Total Absent 22600836AA 230 BLACKWELL DIST-A Mar 27, 2026
Jan 08, 2025 1RT Total Absent 22500101AA 230 BLACKWELL DIST-A Jan 22, 2025
Jan 30, 2024 1RT Total Absent 22400397AA 230 BLACKWELL DIST-A Feb 06, 2024
Jun 13, 2023 1RT Total Absent 22301917AA 230 BLACKWELL DIST-A Jun 20, 2023
Jan 26, 2023 1RT Total Absent 22300306AA 121 BLACKWELL DIST-A Jan 31, 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  ::  Hide rejected samples  ::  Include results older than 2023