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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

MS0440003 , Columbus Light & Water

7 of 9,675 results on record were positive for coliform or another organism the agency tests for. The most recent was December 1, 2025.

They fall across 7 of the 7,469 samples on record.

Every sample on record, October 7, 2003 to August 11, 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 151–165 of 586 samples in this date range, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 151 to 165 of 586 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Feb 10, 2026 07:59
Sampling point
TC0021 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35860
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 10, 2026 07:59, sampling point TC0021 Coliform (TCR)
Absence , sample collected Feb 10, 2026 07:59, sampling point TC0021 E. Coli
Collected
Feb 10, 2026 08:39
Sampling point
TC0021 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35862
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 10, 2026 08:39, sampling point TC0021 Coliform (TCR)
Absence , sample collected Feb 10, 2026 08:39, sampling point TC0021 E. Coli
Collected
Feb 10, 2026 08:20
Sampling point
TC0023 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35861
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 10, 2026 08:20, sampling point TC0023 Coliform (TCR)
Absence , sample collected Feb 10, 2026 08:20, sampling point TC0023 E. Coli
Collected
Feb 10, 2026 10:01
Sampling point
TC0029 Outside Faucet
Sample type
Routine
Lab sample
BACT-250519-27009
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 10, 2026 10:01, sampling point TC0029 Coliform (TCR)
Absence , sample collected Feb 10, 2026 10:01, sampling point TC0029 E. Coli
Collected
Feb 10, 2026 09:28
Sampling point
TC0039 Outside Faucet
Sample type
Routine
Lab sample
BACT-250519-27008
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 10, 2026 09:28, sampling point TC0039 Coliform (TCR)
Absence , sample collected Feb 10, 2026 09:28, sampling point TC0039 E. Coli
Collected
Feb 10, 2026 08:59
Sampling point
TC0040 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35863
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 10, 2026 08:59, sampling point TC0040 Coliform (TCR)
Absence , sample collected Feb 10, 2026 08:59, sampling point TC0040 E. Coli
Collected
Feb 9, 2026 07:43
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35832
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 9, 2026 07:43, sampling point TC0001 Coliform (TCR)
Absence , sample collected Feb 9, 2026 07:43, sampling point TC0001 E. Coli
Collected
Feb 9, 2026 07:29
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35831
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 9, 2026 07:29, sampling point TC0002 Coliform (TCR)
Absence , sample collected Feb 9, 2026 07:29, sampling point TC0002 E. Coli
Collected
Feb 9, 2026 08:01
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35833
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 9, 2026 08:01, sampling point TC0003 Coliform (TCR)
Absence , sample collected Feb 9, 2026 08:01, sampling point TC0003 E. Coli
Collected
Feb 9, 2026 08:24
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35844
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 9, 2026 08:24, sampling point TC0004 Coliform (TCR)
Absence , sample collected Feb 9, 2026 08:24, sampling point TC0004 E. Coli
Collected
Feb 9, 2026 08:44
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35845
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 9, 2026 08:44, sampling point TC0005 Coliform (TCR)
Absence , sample collected Feb 9, 2026 08:44, sampling point TC0005 E. Coli
Collected
Feb 9, 2026 08:59
Sampling point
TC0006 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35846
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 9, 2026 08:59, sampling point TC0006 Coliform (TCR)
Absence , sample collected Feb 9, 2026 08:59, sampling point TC0006 E. Coli
Collected
Feb 9, 2026 09:17
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35847
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 9, 2026 09:17, sampling point TC0008 Coliform (TCR)
Absence , sample collected Feb 9, 2026 09:17, sampling point TC0008 E. Coli
Collected
Feb 9, 2026 09:34
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35848
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 9, 2026 09:34, sampling point TC0009 Coliform (TCR)
Absence , sample collected Feb 9, 2026 09:34, sampling point TC0009 E. Coli
Collected
Feb 9, 2026 09:52
Sampling point
TC0010 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35849
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 9, 2026 09:52, sampling point TC0010 Coliform (TCR)
Absence , sample collected Feb 9, 2026 09:52, sampling point TC0010 E. Coli