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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 26, 2024 and September 26, 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 76–90 of 419 samples in this date range, newest first.

Routine (15).

Coliform and microbial sample results for City of Cleveland, 76 to 90 of 419 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
May 5, 2026 10:30
Sampling point
TC0010 Outside Faucet
Sample type
Routine
Lab sample
BACT-251124-61678
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 5, 2026 10:30, sampling point TC0010 Coliform (TCR)
Absence , sample collected May 5, 2026 10:30, sampling point TC0010 E. Coli
Collected
May 5, 2026 11:00
Sampling point
TC0011 Outside Faucet
Sample type
Routine
Lab sample
BACT-251124-61679
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 5, 2026 11:00, sampling point TC0011 Coliform (TCR)
Absence , sample collected May 5, 2026 11:00, sampling point TC0011 E. Coli
Collected
May 5, 2026 11:30
Sampling point
TC0012 Outside Faucet
Sample type
Routine
Lab sample
BACT-251124-61680
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 5, 2026 11:30, sampling point TC0012 Coliform (TCR)
Absence , sample collected May 5, 2026 11:30, sampling point TC0012 E. Coli
Collected
May 5, 2026 12:00
Sampling point
TC0013 Outside Faucet
Sample type
Routine
Lab sample
BACT-251124-61681
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 5, 2026 12:00, sampling point TC0013 Coliform (TCR)
Absence , sample collected May 5, 2026 12:00, sampling point TC0013 E. Coli
Collected
Apr 15, 2026 07:00
Sampling point
TC0014 Outside Faucet
Sample type
Routine
Lab sample
BACT-251124-61667
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2026 – Apr 30, 2026
Absence , sample collected Apr 15, 2026 07:00, sampling point TC0014 Coliform (TCR)
Absence , sample collected Apr 15, 2026 07:00, sampling point TC0014 E. Coli
Collected
Apr 15, 2026 07:30
Sampling point
TC0015 Outside Faucet
Sample type
Routine
Lab sample
BACT-251124-61668
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2026 – Apr 30, 2026
Absence , sample collected Apr 15, 2026 07:30, sampling point TC0015 Coliform (TCR)
Absence , sample collected Apr 15, 2026 07:30, sampling point TC0015 E. Coli
Collected
Apr 15, 2026 08:00
Sampling point
TC0016 Outside Faucet
Sample type
Routine
Lab sample
BACT-251124-61669
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2026 – Apr 30, 2026
Absence , sample collected Apr 15, 2026 08:00, sampling point TC0016 Coliform (TCR)
Absence , sample collected Apr 15, 2026 08:00, sampling point TC0016 E. Coli
Collected
Apr 8, 2026 06:30
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-251124-61655
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2026 – Apr 30, 2026
Absence , sample collected Apr 8, 2026 06:30, sampling point TC0002 Coliform (TCR)
Absence , sample collected Apr 8, 2026 06:30, sampling point TC0002 E. Coli
Collected
Apr 8, 2026 07:00
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-251124-61656
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2026 – Apr 30, 2026
Absence , sample collected Apr 8, 2026 07:00, sampling point TC0003 Coliform (TCR)
Absence , sample collected Apr 8, 2026 07:00, sampling point TC0003 E. Coli
Collected
Apr 8, 2026 07:30
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-251124-61657
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2026 – Apr 30, 2026
Absence , sample collected Apr 8, 2026 07:30, sampling point TC0004 Coliform (TCR)
Absence , sample collected Apr 8, 2026 07:30, sampling point TC0004 E. Coli
Collected
Apr 8, 2026 08:00
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
BACT-251124-61658
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2026 – Apr 30, 2026
Absence , sample collected Apr 8, 2026 08:00, sampling point TC0005 Coliform (TCR)
Absence , sample collected Apr 8, 2026 08:00, sampling point TC0005 E. Coli
Collected
Apr 8, 2026 08:30
Sampling point
TC0006 Outside Faucet
Sample type
Routine
Lab sample
BACT-251124-61659
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2026 – Apr 30, 2026
Absence , sample collected Apr 8, 2026 08:30, sampling point TC0006 Coliform (TCR)
Absence , sample collected Apr 8, 2026 08:30, sampling point TC0006 E. Coli
Collected
Apr 8, 2026 09:00
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-251124-61660
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2026 – Apr 30, 2026
Absence , sample collected Apr 8, 2026 09:00, sampling point TC0007 Coliform (TCR)
Absence , sample collected Apr 8, 2026 09:00, sampling point TC0007 E. Coli
Collected
Apr 8, 2026 09:30
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-251124-61661
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2026 – Apr 30, 2026
Absence , sample collected Apr 8, 2026 09:30, sampling point TC0008 Coliform (TCR)
Absence , sample collected Apr 8, 2026 09:30, sampling point TC0008 E. Coli
Collected
Apr 8, 2026 10:00
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-251124-61662
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2026 – Apr 30, 2026
Absence , sample collected Apr 8, 2026 10:00, sampling point TC0009 Coliform (TCR)
Absence , sample collected Apr 8, 2026 10:00, sampling point TC0009 E. Coli