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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 286–300 of 419 samples in this date range, newest first.

Repeat (14) and Routine (1).

Coliform and microbial sample results for City of Cleveland, 286 to 300 of 419 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
May 14, 2025 15:15
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
BACT-250203-7076
Laboratory
MSDH Lab
Monitoring period
May 1, 2025 – May 31, 2025
Absence , sample collected May 14, 2025 15:15, sampling point DS000 Coliform (TCR)
Absence , sample collected May 14, 2025 15:15, sampling point DS000 E. Coli
Collected
May 14, 2025 14:50
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
BACT-250203-7078
Laboratory
MSDH Lab
Monitoring period
May 1, 2025 – May 31, 2025
Absence , sample collected May 14, 2025 14:50, sampling point DS000 Coliform (TCR)
Absence , sample collected May 14, 2025 14:50, sampling point DS000 E. Coli
Collected
May 14, 2025 14:45
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
BACT-250203-7079
Laboratory
MSDH Lab
Monitoring period
May 1, 2025 – May 31, 2025
Absence , sample collected May 14, 2025 14:45, sampling point DS000 Coliform (TCR)
Absence , sample collected May 14, 2025 14:45, sampling point DS000 E. Coli
Collected
May 14, 2025 14:35
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
BACT-250203-7080
Laboratory
MSDH Lab
Monitoring period
May 1, 2025 – May 31, 2025
Absence , sample collected May 14, 2025 14:35, sampling point DS000 Coliform (TCR)
Absence , sample collected May 14, 2025 14:35, sampling point DS000 E. Coli
Collected
May 14, 2025 14:30
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
BACT-250203-7081
Laboratory
MSDH Lab
Monitoring period
May 1, 2025 – May 31, 2025
Absence , sample collected May 14, 2025 14:30, sampling point DS000 Coliform (TCR)
Absence , sample collected May 14, 2025 14:30, sampling point DS000 E. Coli
Collected
May 14, 2025 13:45
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
BACT-250203-7085
Laboratory
MSDH Lab
Monitoring period
May 1, 2025 – May 31, 2025
Absence , sample collected May 14, 2025 13:45, sampling point DS000 Coliform (TCR)
Absence , sample collected May 14, 2025 13:45, sampling point DS000 E. Coli
Collected
May 14, 2025 14:05
Sampling point
TC0002 Outside Faucet
Sample type
Repeat
Lab sample
BACT-250203-7083
Laboratory
MSDH Lab
Monitoring period
May 1, 2025 – May 31, 2025
Absence , sample collected May 14, 2025 14:05, sampling point TC0002 Coliform (TCR)
Absence , sample collected May 14, 2025 14:05, sampling point TC0002 E. Coli
Collected
May 14, 2025 15:00
Sampling point
TC0004 Outside Faucet
Sample type
Repeat
Lab sample
BACT-250203-7077
Laboratory
MSDH Lab
Monitoring period
May 1, 2025 – May 31, 2025
Absence , sample collected May 14, 2025 15:00, sampling point TC0004 Coliform (TCR)
Absence , sample collected May 14, 2025 15:00, sampling point TC0004 E. Coli
Collected
May 14, 2025 16:55
Sampling point
TC0006 Outside Faucet
Sample type
Repeat
Lab sample
BACT-250203-7066
Laboratory
MSDH Lab
Monitoring period
May 1, 2025 – May 31, 2025
Absence , sample collected May 14, 2025 16:55, sampling point TC0006 Coliform (TCR)
Absence , sample collected May 14, 2025 16:55, sampling point TC0006 E. Coli
Collected
May 14, 2025 16:15
Sampling point
TC0007 Outside Faucet
Sample type
Repeat
Lab sample
BACT-250203-7070
Laboratory
MSDH Lab
Monitoring period
May 1, 2025 – May 31, 2025
Absence , sample collected May 14, 2025 16:15, sampling point TC0007 Coliform (TCR)
Absence , sample collected May 14, 2025 16:15, sampling point TC0007 E. Coli
Collected
May 14, 2025 15:45
Sampling point
TC0008 Outside Faucet
Sample type
Repeat
Lab sample
BACT-250203-7072
Laboratory
MSDH Lab
Monitoring period
May 1, 2025 – May 31, 2025
Absence , sample collected May 14, 2025 15:45, sampling point TC0008 Coliform (TCR)
Absence , sample collected May 14, 2025 15:45, sampling point TC0008 E. Coli
Collected
May 14, 2025 15:20
Sampling point
TC0009 Outside Faucet
Sample type
Repeat
Lab sample
BACT-250203-7075
Laboratory
MSDH Lab
Monitoring period
May 1, 2025 – May 31, 2025
Absence , sample collected May 14, 2025 15:20, sampling point TC0009 Coliform (TCR)
Absence , sample collected May 14, 2025 15:20, sampling point TC0009 E. Coli
Collected
May 14, 2025 17:25
Sampling point
TC0012 Outside Faucet
Sample type
Repeat
Lab sample
BACT-250203-7063
Laboratory
MSDH Lab
Monitoring period
May 1, 2025 – May 31, 2025
Absence , sample collected May 14, 2025 17:25, sampling point TC0012 Coliform (TCR)
Absence , sample collected May 14, 2025 17:25, sampling point TC0012 E. Coli
Collected
May 14, 2025 17:50
Sampling point
TC0013 Outside Faucet
Sample type
Repeat
Lab sample
BACT-250203-7060
Laboratory
MSDH Lab
Monitoring period
May 1, 2025 – May 31, 2025
Absence , sample collected May 14, 2025 17:50, sampling point TC0013 Coliform (TCR)
Absence , sample collected May 14, 2025 17:50, sampling point TC0013 E. Coli
Collected
May 12, 2025 08:30
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-250203-7247
Laboratory
MSDH Lab
Monitoring period
May 1, 2025 – May 31, 2025
Presence , sample collected May 12, 2025 08:30, sampling point TC0002 Coliform (TCR)
Absence , sample collected May 12, 2025 08:30, sampling point TC0002 E. Coli