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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 28, 2024 and September 28, 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 451–465 of 586 samples in this date range, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 451 to 465 of 586 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Mar 3, 2025 08:00
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35941
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2025 – Mar 31, 2025
Absence , sample collected Mar 3, 2025 08:00, sampling point TC0002 Coliform (TCR)
Absence , sample collected Mar 3, 2025 08:00, sampling point TC0002 E. Coli
Collected
Mar 3, 2025 09:34
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35943
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2025 – Mar 31, 2025
Absence , sample collected Mar 3, 2025 09:34, sampling point TC0003 Coliform (TCR)
Absence , sample collected Mar 3, 2025 09:34, sampling point TC0003 E. Coli
Collected
Mar 3, 2025 09:52
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35874
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2025 – Mar 31, 2025
Absence , sample collected Mar 3, 2025 09:52, sampling point TC0004 Coliform (TCR)
Absence , sample collected Mar 3, 2025 09:52, sampling point TC0004 E. Coli
Collected
Mar 3, 2025 10:16
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35875
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2025 – Mar 31, 2025
Absence , sample collected Mar 3, 2025 10:16, sampling point TC0005 Coliform (TCR)
Absence , sample collected Mar 3, 2025 10:16, sampling point TC0005 E. Coli
Collected
Mar 3, 2025 10:51
Sampling point
TC0006 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35876
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2025 – Mar 31, 2025
Absence , sample collected Mar 3, 2025 10:51, sampling point TC0006 Coliform (TCR)
Absence , sample collected Mar 3, 2025 10:51, sampling point TC0006 E. Coli
Collected
Mar 3, 2025 11:09
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35877
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2025 – Mar 31, 2025
Absence , sample collected Mar 3, 2025 11:09, sampling point TC0007 Coliform (TCR)
Absence , sample collected Mar 3, 2025 11:09, sampling point TC0007 E. Coli
Collected
Mar 3, 2025 11:26
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35878
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2025 – Mar 31, 2025
Absence , sample collected Mar 3, 2025 11:26, sampling point TC0008 Coliform (TCR)
Absence , sample collected Mar 3, 2025 11:26, sampling point TC0008 E. Coli
Collected
Mar 3, 2025 11:44
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35879
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2025 – Mar 31, 2025
Absence , sample collected Mar 3, 2025 11:44, sampling point TC0009 Coliform (TCR)
Absence , sample collected Mar 3, 2025 11:44, sampling point TC0009 E. Coli
Collected
Mar 3, 2025 12:06
Sampling point
TC0011 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35880
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2025 – Mar 31, 2025
Absence , sample collected Mar 3, 2025 12:06, sampling point TC0011 Coliform (TCR)
Absence , sample collected Mar 3, 2025 12:06, sampling point TC0011 E. Coli
Collected
Mar 3, 2025 12:31
Sampling point
TC0012 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35881
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2025 – Mar 31, 2025
Absence , sample collected Mar 3, 2025 12:31, sampling point TC0012 Coliform (TCR)
Absence , sample collected Mar 3, 2025 12:31, sampling point TC0012 E. Coli
Collected
Mar 3, 2025 12:48
Sampling point
TC0013 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35882
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2025 – Mar 31, 2025
Absence , sample collected Mar 3, 2025 12:48, sampling point TC0013 Coliform (TCR)
Absence , sample collected Mar 3, 2025 12:48, sampling point TC0013 E. Coli
Collected
Feb 4, 2025 08:16
Sampling point
TC0015 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35967
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2025 – Feb 28, 2025
Absence , sample collected Feb 4, 2025 08:16, sampling point TC0015 Coliform (TCR)
Absence , sample collected Feb 4, 2025 08:16, sampling point TC0015 E. Coli
Collected
Feb 4, 2025 08:34
Sampling point
TC0016 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35968
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2025 – Feb 28, 2025
Absence , sample collected Feb 4, 2025 08:34, sampling point TC0016 Coliform (TCR)
Absence , sample collected Feb 4, 2025 08:34, sampling point TC0016 E. Coli
Collected
Feb 4, 2025 08:50
Sampling point
TC0017 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35969
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2025 – Feb 28, 2025
Absence , sample collected Feb 4, 2025 08:50, sampling point TC0017 Coliform (TCR)
Absence , sample collected Feb 4, 2025 08:50, sampling point TC0017 E. Coli
Collected
Feb 4, 2025 09:34
Sampling point
TC0018 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35971
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2025 – Feb 28, 2025
Absence , sample collected Feb 4, 2025 09:34, sampling point TC0018 Coliform (TCR)
Absence , sample collected Feb 4, 2025 09:34, sampling point TC0018 E. Coli