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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 91–105 of 7,469 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 91 to 105 of 7,469 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
May 4, 2026 09:43
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35796
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 4, 2026 09:43, sampling point TC0007 Coliform (TCR)
Absence , sample collected May 4, 2026 09:43, sampling point TC0007 E. Coli
Collected
May 4, 2026 10:04
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35797
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 4, 2026 10:04, sampling point TC0008 Coliform (TCR)
Absence , sample collected May 4, 2026 10:04, sampling point TC0008 E. Coli
Collected
May 4, 2026 10:22
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35798
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 4, 2026 10:22, sampling point TC0009 Coliform (TCR)
Absence , sample collected May 4, 2026 10:22, sampling point TC0009 E. Coli
Collected
May 4, 2026 11:12
Sampling point
TC0010 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35799
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 4, 2026 11:12, sampling point TC0010 Coliform (TCR)
Absence , sample collected May 4, 2026 11:12, sampling point TC0010 E. Coli
Collected
May 4, 2026 11:33
Sampling point
TC0011 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35800
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 4, 2026 11:33, sampling point TC0011 Coliform (TCR)
Absence , sample collected May 4, 2026 11:33, sampling point TC0011 E. Coli
Collected
May 4, 2026 12:02
Sampling point
TC0012 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35801
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 4, 2026 12:02, sampling point TC0012 Coliform (TCR)
Absence , sample collected May 4, 2026 12:02, sampling point TC0012 E. Coli
Collected
May 4, 2026 12:22
Sampling point
TC0013 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35802
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 4, 2026 12:22, sampling point TC0013 Coliform (TCR)
Absence , sample collected May 4, 2026 12:22, sampling point TC0013 E. Coli
Collected
May 4, 2026 12:43
Sampling point
TC0014 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35803
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 4, 2026 12:43, sampling point TC0014 Coliform (TCR)
Absence , sample collected May 4, 2026 12:43, sampling point TC0014 E. Coli
Collected
May 4, 2026 13:04
Sampling point
TC0015 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35784
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 4, 2026 13:04, sampling point TC0015 Coliform (TCR)
Absence , sample collected May 4, 2026 13:04, sampling point TC0015 E. Coli
Collected
May 4, 2026 13:26
Sampling point
TC0016 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35785
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 4, 2026 13:26, sampling point TC0016 Coliform (TCR)
Absence , sample collected May 4, 2026 13:26, sampling point TC0016 E. Coli
Collected
Apr 13, 2026 09:08
Sampling point
TC0015 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35866
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2026 – Apr 30, 2026
Absence , sample collected Apr 13, 2026 09:08, sampling point TC0015 Coliform (TCR)
Absence , sample collected Apr 13, 2026 09:08, sampling point TC0015 E. Coli
Collected
Apr 13, 2026 09:32
Sampling point
TC0016 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35869
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2026 – Apr 30, 2026
Absence , sample collected Apr 13, 2026 09:32, sampling point TC0016 Coliform (TCR)
Absence , sample collected Apr 13, 2026 09:32, sampling point TC0016 E. Coli
Collected
Apr 13, 2026 09:49
Sampling point
TC0017 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35868
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2026 – Apr 30, 2026
Absence , sample collected Apr 13, 2026 09:49, sampling point TC0017 Coliform (TCR)
Absence , sample collected Apr 13, 2026 09:49, sampling point TC0017 E. Coli
Collected
Apr 13, 2026 11:18
Sampling point
TC0018 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35870
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2026 – Apr 30, 2026
Absence , sample collected Apr 13, 2026 11:18, sampling point TC0018 Coliform (TCR)
Absence , sample collected Apr 13, 2026 11:18, sampling point TC0018 E. Coli
Collected
Apr 13, 2026 11:46
Sampling point
TC0019 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35871
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2026 – Apr 30, 2026
Absence , sample collected Apr 13, 2026 11:46, sampling point TC0019 Coliform (TCR)
Absence , sample collected Apr 13, 2026 11:46, sampling point TC0019 E. Coli