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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 76–90 of 7,469 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 76 to 90 of 7,469 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
May 5, 2026 07:33
Sampling point
TC0017 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35786
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 5, 2026 07:33, sampling point TC0017 Coliform (TCR)
Absence , sample collected May 5, 2026 07:33, sampling point TC0017 E. Coli
Collected
May 5, 2026 07:53
Sampling point
TC0018 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35787
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 5, 2026 07:53, sampling point TC0018 Coliform (TCR)
Absence , sample collected May 5, 2026 07:53, sampling point TC0018 E. Coli
Collected
May 5, 2026 08:16
Sampling point
TC0019 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35788
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 5, 2026 08:16, sampling point TC0019 Coliform (TCR)
Absence , sample collected May 5, 2026 08:16, sampling point TC0019 E. Coli
Collected
May 5, 2026 08:40
Sampling point
TC0020 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35789
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 5, 2026 08:40, sampling point TC0020 Coliform (TCR)
Absence , sample collected May 5, 2026 08:40, sampling point TC0020 E. Coli
Collected
May 5, 2026 09:25
Sampling point
TC0021 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35791
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 5, 2026 09:25, sampling point TC0021 Coliform (TCR)
Absence , sample collected May 5, 2026 09:25, sampling point TC0021 E. Coli
Collected
May 5, 2026 09:02
Sampling point
TC0023 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35790
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 5, 2026 09:02, sampling point TC0023 Coliform (TCR)
Absence , sample collected May 5, 2026 09:02, sampling point TC0023 E. Coli
Collected
May 5, 2026 10:28
Sampling point
TC0029 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35804
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 5, 2026 10:28, sampling point TC0029 Coliform (TCR)
Absence , sample collected May 5, 2026 10:28, sampling point TC0029 E. Coli
Collected
May 5, 2026 10:02
Sampling point
TC0039 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35793
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 5, 2026 10:02, sampling point TC0039 Coliform (TCR)
Absence , sample collected May 5, 2026 10:02, sampling point TC0039 E. Coli
Collected
May 5, 2026 09:40
Sampling point
TC0040 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35792
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 5, 2026 09:40, sampling point TC0040 Coliform (TCR)
Absence , sample collected May 5, 2026 09:40, sampling point TC0040 E. Coli
Collected
May 4, 2026 07:45
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35781
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 4, 2026 07:45, sampling point TC0001 Coliform (TCR)
Absence , sample collected May 4, 2026 07:45, sampling point TC0001 E. Coli
Collected
May 4, 2026 07:30
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35780
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 4, 2026 07:30, sampling point TC0002 Coliform (TCR)
Absence , sample collected May 4, 2026 07:30, sampling point TC0002 E. Coli
Collected
May 4, 2026 08:19
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35782
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 4, 2026 08:19, sampling point TC0003 Coliform (TCR)
Absence , sample collected May 4, 2026 08:19, sampling point TC0003 E. Coli
Collected
May 4, 2026 08:40
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35783
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 4, 2026 08:40, sampling point TC0004 Coliform (TCR)
Absence , sample collected May 4, 2026 08:40, sampling point TC0004 E. Coli
Collected
May 4, 2026 08:59
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35794
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 4, 2026 08:59, sampling point TC0005 Coliform (TCR)
Absence , sample collected May 4, 2026 08:59, sampling point TC0005 E. Coli
Collected
May 4, 2026 09:20
Sampling point
TC0006 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35795
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 4, 2026 09:20, sampling point TC0006 Coliform (TCR)
Absence , sample collected May 4, 2026 09:20, sampling point TC0006 E. Coli