OHA Drinking Water Services
OR41
PWS ID: 94812 ---- GRANITE, CITY OF
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
Apr 22, 2026 1RP Total POSITIVE 3012434191 3012432521 1378 MAIN ST. PRESSURE TANK DIST-A Apr 24, 2026
RP E. coli Absent 3012434191 3012432521 1378 MAIN ST. PRESSURE TANK DIST-A
Apr 22, 2026 1RP Total POSITIVE 3012434181 3012432521 1378 MAIN ST. SOURCE DIST-A Apr 24, 2026
RP E. coli Absent 3012434181 3012432521 1378 MAIN ST. SOURCE DIST-A
Apr 15, 2026 1RT Total POSITIVE 3012432521 1378 MAIN ST PRESSURE TANK DIST-A Apr 17, 2026
RT E. coli Absent 3012432521 1378 MAIN ST PRESSURE TANK DIST-A
Jan 14, 2026 1RT Total Absent 3012409691 DIST-A Jan 16, 2026
Oct 08, 2025 1RT Total Absent 3012382881 DIST-A Oct 10, 2025
Apr 16, 2025 1RT Total POSITIVE 3012328571 CITY SHOP DIST-A Apr 18, 2025
RT E. coli Absent 3012328571 CITY SHOP DIST-A
Jan 22, 2025 1RT Total Absent 3012308151 DIST-A Jan 31, 2025
Sep 18, 2024 1TG Total Absent 3012275931 3012273811 WELL SRC-CA Sep 30, 2024
Sep 18, 2024 1RP Total Absent 3012275921 3012273811 1027 MILTON ST DIST-A Sep 30, 2024
Sep 11, 2024 1RT Total POSITIVE 3012273811 1775 W ST KITCHEN SINK DIST-A Sep 13, 2024
RT E. coli Absent 3012273811 1775 W ST KITCHEN SINK DIST-A
Jun 12, 2024 1RT Total Absent 3012247071 DIST-A Jun 14, 2024
Feb 21, 2024 1RT Total Absent 3012217181 DIST-A Feb 23, 2024
Aug 23, 2023 1RT Total Absent 3012169541 DIST-A Aug 25, 2023
May 17, 2023 1RT Total Absent 3012139831 DIST-A May 19, 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