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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. No date range is applied.

This system’s violations

The most recent samples

No date range is applied: this list draws on every sample on record. Show the last two years only.

The list below shows 166–180 of 7,469 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 166 to 180 of 7,469 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Feb 9, 2026 10:09
Sampling point
TC0011 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35850
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 9, 2026 10:09, sampling point TC0011 Coliform (TCR)
Absence , sample collected Feb 9, 2026 10:09, sampling point TC0011 E. Coli
Collected
Feb 9, 2026 10:41
Sampling point
TC0012 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35851
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 9, 2026 10:41, sampling point TC0012 Coliform (TCR)
Absence , sample collected Feb 9, 2026 10:41, sampling point TC0012 E. Coli
Collected
Feb 9, 2026 11:04
Sampling point
TC0013 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35852
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 9, 2026 11:04, sampling point TC0013 Coliform (TCR)
Absence , sample collected Feb 9, 2026 11:04, sampling point TC0013 E. Coli
Collected
Feb 9, 2026 11:29
Sampling point
TC0014 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35853
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 9, 2026 11:29, sampling point TC0014 Coliform (TCR)
Absence , sample collected Feb 9, 2026 11:29, sampling point TC0014 E. Coli
Collected
Feb 9, 2026 12:32
Sampling point
TC0015 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35855
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 9, 2026 12:32, sampling point TC0015 Coliform (TCR)
Absence , sample collected Feb 9, 2026 12:32, sampling point TC0015 E. Coli
Collected
Feb 9, 2026 12:50
Sampling point
TC0016 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35856
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 9, 2026 12:50, sampling point TC0016 Coliform (TCR)
Absence , sample collected Feb 9, 2026 12:50, sampling point TC0016 E. Coli
Collected
Feb 9, 2026 13:11
Sampling point
TC0017 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35857
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 9, 2026 13:11, sampling point TC0017 Coliform (TCR)
Absence , sample collected Feb 9, 2026 13:11, sampling point TC0017 E. Coli
Collected
Feb 9, 2026 13:29
Sampling point
TC0018 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35858
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 9, 2026 13:29, sampling point TC0018 Coliform (TCR)
Absence , sample collected Feb 9, 2026 13:29, sampling point TC0018 E. Coli
Collected
Feb 9, 2026 13:50
Sampling point
TC0019 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35859
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 9, 2026 13:50, sampling point TC0019 Coliform (TCR)
Absence , sample collected Feb 9, 2026 13:50, sampling point TC0019 E. Coli
Collected
Feb 9, 2026 12:06
Sampling point
TC0025 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35854
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 9, 2026 12:06, sampling point TC0025 Coliform (TCR)
Absence , sample collected Feb 9, 2026 12:06, sampling point TC0025 E. Coli
Collected
Jan 13, 2026 08:13
Sampling point
TC0021 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35826
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 13, 2026 08:13, sampling point TC0021 Coliform (TCR)
Absence , sample collected Jan 13, 2026 08:13, sampling point TC0021 E. Coli
Collected
Jan 13, 2026 07:49
Sampling point
TC0023 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35843
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 13, 2026 07:49, sampling point TC0023 Coliform (TCR)
Absence , sample collected Jan 13, 2026 07:49, sampling point TC0023 E. Coli
Collected
Jan 13, 2026 10:00
Sampling point
TC0027 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35830
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 13, 2026 10:00, sampling point TC0027 Coliform (TCR)
Absence , sample collected Jan 13, 2026 10:00, sampling point TC0027 E. Coli
Collected
Jan 13, 2026 09:37
Sampling point
TC0029 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35829
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 13, 2026 09:37, sampling point TC0029 Coliform (TCR)
Absence , sample collected Jan 13, 2026 09:37, sampling point TC0029 E. Coli
Collected
Jan 13, 2026 09:10
Sampling point
TC0039 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35828
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 13, 2026 09:10, sampling point TC0039 Coliform (TCR)
Absence , sample collected Jan 13, 2026 09:10, sampling point TC0039 E. Coli