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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 241–255 of 419 samples in this date range, newest first.

Routine (15).

Coliform and microbial sample results for City of Cleveland, 241 to 255 of 419 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Jul 16, 2025 07:30
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-250203-7114
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2025 – Jul 31, 2025
Absence , sample collected Jul 16, 2025 07:30, sampling point TC0004 Coliform (TCR)
Absence , sample collected Jul 16, 2025 07:30, sampling point TC0004 E. Coli
Collected
Jul 16, 2025 08:00
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
BACT-250203-7115
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2025 – Jul 31, 2025
Absence , sample collected Jul 16, 2025 08:00, sampling point TC0005 Coliform (TCR)
Absence , sample collected Jul 16, 2025 08:00, sampling point TC0005 E. Coli
Collected
Jul 16, 2025 08:30
Sampling point
TC0006 Outside Faucet
Sample type
Routine
Lab sample
BACT-250203-7116
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2025 – Jul 31, 2025
Absence , sample collected Jul 16, 2025 08:30, sampling point TC0006 Coliform (TCR)
Absence , sample collected Jul 16, 2025 08:30, sampling point TC0006 E. Coli
Collected
Jul 16, 2025 09:00
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-250203-7117
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2025 – Jul 31, 2025
Absence , sample collected Jul 16, 2025 09:00, sampling point TC0007 Coliform (TCR)
Absence , sample collected Jul 16, 2025 09:00, sampling point TC0007 E. Coli
Collected
Jul 16, 2025 09:30
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-250203-7118
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2025 – Jul 31, 2025
Absence , sample collected Jul 16, 2025 09:30, sampling point TC0008 Coliform (TCR)
Absence , sample collected Jul 16, 2025 09:30, sampling point TC0008 E. Coli
Collected
Jul 16, 2025 10:00
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-250203-7119
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2025 – Jul 31, 2025
Absence , sample collected Jul 16, 2025 10:00, sampling point TC0009 Coliform (TCR)
Absence , sample collected Jul 16, 2025 10:00, sampling point TC0009 E. Coli
Collected
Jul 16, 2025 10:30
Sampling point
TC0010 Outside Faucet
Sample type
Routine
Lab sample
BACT-250203-7120
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2025 – Jul 31, 2025
Absence , sample collected Jul 16, 2025 10:30, sampling point TC0010 Coliform (TCR)
Absence , sample collected Jul 16, 2025 10:30, sampling point TC0010 E. Coli
Collected
Jul 16, 2025 11:00
Sampling point
TC0011 Outside Faucet
Sample type
Routine
Lab sample
BACT-250203-7121
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2025 – Jul 31, 2025
Absence , sample collected Jul 16, 2025 11:00, sampling point TC0011 Coliform (TCR)
Absence , sample collected Jul 16, 2025 11:00, sampling point TC0011 E. Coli
Collected
Jul 16, 2025 11:30
Sampling point
TC0012 Outside Faucet
Sample type
Routine
Lab sample
BACT-250203-7122
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2025 – Jul 31, 2025
Absence , sample collected Jul 16, 2025 11:30, sampling point TC0012 Coliform (TCR)
Absence , sample collected Jul 16, 2025 11:30, sampling point TC0012 E. Coli
Collected
Jul 16, 2025 12:00
Sampling point
TC0013 Outside Faucet
Sample type
Routine
Lab sample
BACT-250203-7123
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2025 – Jul 31, 2025
Absence , sample collected Jul 16, 2025 12:00, sampling point TC0013 Coliform (TCR)
Absence , sample collected Jul 16, 2025 12:00, sampling point TC0013 E. Coli
Collected
Jun 30, 2025 07:00
Sampling point
TC0015 Outside Faucet
Sample type
Routine
Lab sample
BACT-250203-7111
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2025 – Jun 30, 2025
Absence , sample collected Jun 30, 2025 07:00, sampling point TC0015 Coliform (TCR)
Absence , sample collected Jun 30, 2025 07:00, sampling point TC0015 E. Coli
Collected
Jun 30, 2025 07:30
Sampling point
TC0016 Outside Faucet
Sample type
Routine
Lab sample
BACT-250203-7110
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2025 – Jun 30, 2025
Absence , sample collected Jun 30, 2025 07:30, sampling point TC0016 Coliform (TCR)
Absence , sample collected Jun 30, 2025 07:30, sampling point TC0016 E. Coli
Collected
Jun 30, 2025 08:00
Sampling point
TC0017 Outside Faucet
Sample type
Routine
Lab sample
BACT-250203-7109
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2025 – Jun 30, 2025
Absence , sample collected Jun 30, 2025 08:00, sampling point TC0017 Coliform (TCR)
Absence , sample collected Jun 30, 2025 08:00, sampling point TC0017 E. Coli
Collected
Jun 17, 2025 06:30
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-250203-7097
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2025 – Jun 30, 2025
Absence , sample collected Jun 17, 2025 06:30, sampling point TC0001 Coliform (TCR)
Absence , sample collected Jun 17, 2025 06:30, sampling point TC0001 E. Coli
Collected
Jun 17, 2025 07:00
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-250203-7098
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2025 – Jun 30, 2025
Absence , sample collected Jun 17, 2025 07:00, sampling point TC0002 Coliform (TCR)
Absence , sample collected Jun 17, 2025 07:00, sampling point TC0002 E. Coli