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This is a rebuild of Drinking Water Watch and not yet the official record. Use the agency’s current Drinking Water Watch for anything you need to rely on.

Coliform and microbial samples

MS0060006 , City of Cleveland

109 of 5,999 results on record were positive for coliform or another organism the agency tests for. The most recent was August 10, 2026.

They fall across 109 of the 4,494 samples on record.

Every sample on record, October 23, 2003 to August 10, 2026. These figures cover the whole record; the list of samples further down is narrowed.

This system’s violations

The most recent samples

Showing samples collected between September 27, 2024 and September 27, 2026. That is this page’s default, not a limit on what the agency records.

Show every sample on record

Choose a date range

The list below shows 256–270 of 419 samples in this date range, newest first.

Routine (10) and Repeat (5).

Coliform and microbial sample results for City of Cleveland, 256 to 270 of 419 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Jun 17, 2025 07:30
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-250203-7099
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2025 – Jun 30, 2025
Absence , sample collected Jun 17, 2025 07:30, sampling point TC0003 Coliform (TCR)
Absence , sample collected Jun 17, 2025 07:30, sampling point TC0003 E. Coli
Collected
Jun 17, 2025 08:00
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-250203-7100
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2025 – Jun 30, 2025
Absence , sample collected Jun 17, 2025 08:00, sampling point TC0004 Coliform (TCR)
Absence , sample collected Jun 17, 2025 08:00, sampling point TC0004 E. Coli
Collected
Jun 17, 2025 08:30
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
BACT-250203-7101
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2025 – Jun 30, 2025
Absence , sample collected Jun 17, 2025 08:30, sampling point TC0005 Coliform (TCR)
Absence , sample collected Jun 17, 2025 08:30, sampling point TC0005 E. Coli
Collected
Jun 17, 2025 09:00
Sampling point
TC0006 Outside Faucet
Sample type
Routine
Lab sample
BACT-250203-7102
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2025 – Jun 30, 2025
Absence , sample collected Jun 17, 2025 09:00, sampling point TC0006 Coliform (TCR)
Absence , sample collected Jun 17, 2025 09:00, sampling point TC0006 E. Coli
Collected
Jun 17, 2025 09:30
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-250203-7103
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2025 – Jun 30, 2025
Absence , sample collected Jun 17, 2025 09:30, sampling point TC0007 Coliform (TCR)
Absence , sample collected Jun 17, 2025 09:30, sampling point TC0007 E. Coli
Collected
Jun 17, 2025 10:00
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-250203-7104
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2025 – Jun 30, 2025
Absence , sample collected Jun 17, 2025 10:00, sampling point TC0008 Coliform (TCR)
Absence , sample collected Jun 17, 2025 10:00, sampling point TC0008 E. Coli
Collected
Jun 17, 2025 10:30
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-250203-7105
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2025 – Jun 30, 2025
Absence , sample collected Jun 17, 2025 10:30, sampling point TC0009 Coliform (TCR)
Absence , sample collected Jun 17, 2025 10:30, sampling point TC0009 E. Coli
Collected
Jun 17, 2025 11:00
Sampling point
TC0010 Outside Faucet
Sample type
Routine
Lab sample
BACT-250203-7106
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2025 – Jun 30, 2025
Absence , sample collected Jun 17, 2025 11:00, sampling point TC0010 Coliform (TCR)
Absence , sample collected Jun 17, 2025 11:00, sampling point TC0010 E. Coli
Collected
Jun 17, 2025 11:30
Sampling point
TC0011 Outside Faucet
Sample type
Routine
Lab sample
BACT-250203-7107
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2025 – Jun 30, 2025
Absence , sample collected Jun 17, 2025 11:30, sampling point TC0011 Coliform (TCR)
Absence , sample collected Jun 17, 2025 11:30, sampling point TC0011 E. Coli
Collected
Jun 17, 2025 12:00
Sampling point
TC0012 Outside Faucet
Sample type
Routine
Lab sample
BACT-250203-7108
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2025 – Jun 30, 2025
Absence , sample collected Jun 17, 2025 12:00, sampling point TC0012 Coliform (TCR)
Absence , sample collected Jun 17, 2025 12:00, sampling point TC0012 E. Coli
Collected
Jun 2, 2025 13:40
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
BACT-250203-7092
Laboratory
MSDH Lab
Monitoring period
May 1, 2025 – May 31, 2025
Absence , sample collected Jun 2, 2025 13:40, sampling point DS000 Coliform (TCR)
Absence , sample collected Jun 2, 2025 13:40, sampling point DS000 E. Coli
Collected
Jun 2, 2025 13:50
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
BACT-250203-7093
Laboratory
MSDH Lab
Monitoring period
May 1, 2025 – May 31, 2025
Absence , sample collected Jun 2, 2025 13:50, sampling point DS000 Coliform (TCR)
Absence , sample collected Jun 2, 2025 13:50, sampling point DS000 E. Coli
Collected
Jun 2, 2025 14:40
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
BACT-250203-7095
Laboratory
MSDH Lab
Monitoring period
May 1, 2025 – May 31, 2025
Absence , sample collected Jun 2, 2025 14:40, sampling point DS000 Coliform (TCR)
Absence , sample collected Jun 2, 2025 14:40, sampling point DS000 E. Coli
Collected
Jun 2, 2025 14:50
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
BACT-250203-7096
Laboratory
MSDH Lab
Monitoring period
May 1, 2025 – May 31, 2025
Absence , sample collected Jun 2, 2025 14:50, sampling point DS000 Coliform (TCR)
Absence , sample collected Jun 2, 2025 14:50, sampling point DS000 E. Coli
Collected
Jun 2, 2025 14:30
Sampling point
TC0017 Outside Faucet
Sample type
Repeat
Lab sample
BACT-250203-7094
Laboratory
MSDH Lab
Monitoring period
May 1, 2025 – May 31, 2025
Absence , sample collected Jun 2, 2025 14:30, sampling point TC0017 Coliform (TCR)
Absence , sample collected Jun 2, 2025 14:30, sampling point TC0017 E. Coli