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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 556–570 of 586 samples in this date range, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 556 to 570 of 586 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Nov 6, 2024 13:14
Sampling point
TC0021 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35981
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2024 – Nov 30, 2024
Absence , sample collected Nov 6, 2024 13:14, sampling point TC0021 Coliform (TCR)
Absence , sample collected Nov 6, 2024 13:14, sampling point TC0021 E. Coli
Collected
Nov 6, 2024 12:54
Sampling point
TC0023 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35980
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2024 – Nov 30, 2024
Absence , sample collected Nov 6, 2024 12:54, sampling point TC0023 Coliform (TCR)
Absence , sample collected Nov 6, 2024 12:54, sampling point TC0023 E. Coli
Collected
Nov 6, 2024 14:24
Sampling point
TC0026 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35985
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2024 – Nov 30, 2024
Absence , sample collected Nov 6, 2024 14:24, sampling point TC0026 Coliform (TCR)
Absence , sample collected Nov 6, 2024 14:24, sampling point TC0026 E. Coli
Collected
Nov 6, 2024 14:10
Sampling point
TC0035 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35984
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2024 – Nov 30, 2024
Absence , sample collected Nov 6, 2024 14:10, sampling point TC0035 Coliform (TCR)
Absence , sample collected Nov 6, 2024 14:10, sampling point TC0035 E. Coli
Collected
Nov 6, 2024 13:46
Sampling point
TC0039 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35983
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2024 – Nov 30, 2024
Absence , sample collected Nov 6, 2024 13:46, sampling point TC0039 Coliform (TCR)
Absence , sample collected Nov 6, 2024 13:46, sampling point TC0039 E. Coli
Collected
Nov 6, 2024 13:30
Sampling point
TC0040 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35982
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2024 – Nov 30, 2024
Absence , sample collected Nov 6, 2024 13:30, sampling point TC0040 Coliform (TCR)
Absence , sample collected Nov 6, 2024 13:30, sampling point TC0040 E. Coli
Collected
Oct 8, 2024 08:35
Sampling point
TC0014 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-36049
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2024 – Oct 31, 2024
Absence , sample collected Oct 8, 2024 08:35, sampling point TC0014 Coliform (TCR)
Absence , sample collected Oct 8, 2024 08:35, sampling point TC0014 E. Coli
Collected
Oct 8, 2024 09:26
Sampling point
TC0015 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-36051
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2024 – Oct 31, 2024
Absence , sample collected Oct 8, 2024 09:26, sampling point TC0015 Coliform (TCR)
Absence , sample collected Oct 8, 2024 09:26, sampling point TC0015 E. Coli
Collected
Oct 8, 2024 09:41
Sampling point
TC0016 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-36052
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2024 – Oct 31, 2024
Absence , sample collected Oct 8, 2024 09:41, sampling point TC0016 Coliform (TCR)
Absence , sample collected Oct 8, 2024 09:41, sampling point TC0016 E. Coli
Collected
Oct 8, 2024 10:00
Sampling point
TC0017 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-36053
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2024 – Oct 31, 2024
Absence , sample collected Oct 8, 2024 10:00, sampling point TC0017 Coliform (TCR)
Absence , sample collected Oct 8, 2024 10:00, sampling point TC0017 E. Coli
Collected
Oct 8, 2024 10:21
Sampling point
TC0019 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-36054
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2024 – Oct 31, 2024
Absence , sample collected Oct 8, 2024 10:21, sampling point TC0019 Coliform (TCR)
Absence , sample collected Oct 8, 2024 10:21, sampling point TC0019 E. Coli
Collected
Oct 8, 2024 10:40
Sampling point
TC0020 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-36055
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2024 – Oct 31, 2024
Absence , sample collected Oct 8, 2024 10:40, sampling point TC0020 Coliform (TCR)
Absence , sample collected Oct 8, 2024 10:40, sampling point TC0020 E. Coli
Collected
Oct 8, 2024 11:27
Sampling point
TC0021 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-36057
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2024 – Oct 31, 2024
Absence , sample collected Oct 8, 2024 11:27, sampling point TC0021 Coliform (TCR)
Absence , sample collected Oct 8, 2024 11:27, sampling point TC0021 E. Coli
Collected
Oct 8, 2024 11:08
Sampling point
TC0023 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-36056
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2024 – Oct 31, 2024
Absence , sample collected Oct 8, 2024 11:08, sampling point TC0023 Coliform (TCR)
Absence , sample collected Oct 8, 2024 11:08, sampling point TC0023 E. Coli
Collected
Oct 8, 2024 09:00
Sampling point
TC0025 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-36050
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2024 – Oct 31, 2024
Absence , sample collected Oct 8, 2024 09:00, sampling point TC0025 Coliform (TCR)
Absence , sample collected Oct 8, 2024 09:00, sampling point TC0025 E. Coli