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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 9,725 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 7,494 samples on record.

Every sample on record, October 7, 2003 to September 8, 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 1,021–1,035 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 1,021 to 1,035 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
May 3, 2023 12:50
Sampling point
TC0017 Outside Faucet
Sample type
Routine
Lab sample
BACT-220929-24668
Laboratory
MSDH Lab
Monitoring period
May 1, 2023 – May 31, 2023
Absence , sample collected May 3, 2023 12:50, sampling point TC0017 Coliform (TCR)
Absence , sample collected May 3, 2023 12:50, sampling point TC0017 E. Coli
Collected
May 3, 2023 13:15
Sampling point
TC0019 Outside Faucet
Sample type
Routine
Lab sample
BACT-220929-24669
Laboratory
MSDH Lab
Monitoring period
May 1, 2023 – May 31, 2023
Absence , sample collected May 3, 2023 13:15, sampling point TC0019 Coliform (TCR)
Absence , sample collected May 3, 2023 13:15, sampling point TC0019 E. Coli
Collected
May 3, 2023 14:13
Sampling point
TC0021 Outside Faucet
Sample type
Routine
Lab sample
BACT-220929-24611
Laboratory
MSDH Lab
Monitoring period
May 1, 2023 – May 31, 2023
Absence , sample collected May 3, 2023 14:13, sampling point TC0021 Coliform (TCR)
Absence , sample collected May 3, 2023 14:13, sampling point TC0021 E. Coli
Collected
May 3, 2023 13:45
Sampling point
TC0023 Outside Faucet
Sample type
Routine
Lab sample
BACT-220929-24610
Laboratory
MSDH Lab
Monitoring period
May 1, 2023 – May 31, 2023
Absence , sample collected May 3, 2023 13:45, sampling point TC0023 Coliform (TCR)
Absence , sample collected May 3, 2023 13:45, sampling point TC0023 E. Coli
Collected
May 3, 2023 11:15
Sampling point
TC0025 Outside Faucet
Sample type
Routine
Lab sample
BACT-220929-24665
Laboratory
MSDH Lab
Monitoring period
May 1, 2023 – May 31, 2023
Absence , sample collected May 3, 2023 11:15, sampling point TC0025 Coliform (TCR)
Absence , sample collected May 3, 2023 11:15, sampling point TC0025 E. Coli
Collected
May 3, 2023 07:31
Sampling point
TC0026 Outside Faucet
Sample type
Routine
Lab sample
BACT-220929-24661
Laboratory
MSDH Lab
Monitoring period
May 1, 2023 – May 31, 2023
Absence , sample collected May 3, 2023 07:31, sampling point TC0026 Coliform (TCR)
Absence , sample collected May 3, 2023 07:31, sampling point TC0026 E. Coli
Collected
May 3, 2023 07:52
Sampling point
TC0027 Outside Faucet
Sample type
Routine
Lab sample
BACT-220929-24662
Laboratory
MSDH Lab
Monitoring period
May 1, 2023 – May 31, 2023
Absence , sample collected May 3, 2023 07:52, sampling point TC0027 Coliform (TCR)
Absence , sample collected May 3, 2023 07:52, sampling point TC0027 E. Coli
Collected
May 3, 2023 08:10
Sampling point
TC0029 Outside Faucet
Sample type
Routine
Lab sample
BACT-220929-24663
Laboratory
MSDH Lab
Monitoring period
May 1, 2023 – May 31, 2023
Absence , sample collected May 3, 2023 08:10, sampling point TC0029 Coliform (TCR)
Absence , sample collected May 3, 2023 08:10, sampling point TC0029 E. Coli
Collected
May 3, 2023 07:10
Sampling point
TC0035 Outside Faucet
Sample type
Routine
Lab sample
BACT-220929-24660
Laboratory
MSDH Lab
Monitoring period
May 1, 2023 – May 31, 2023
Absence , sample collected May 3, 2023 07:10, sampling point TC0035 Coliform (TCR)
Absence , sample collected May 3, 2023 07:10, sampling point TC0035 E. Coli
Collected
May 3, 2023 14:38
Sampling point
TC0039 Outside Faucet
Sample type
Routine
Lab sample
BACT-220929-24612
Laboratory
MSDH Lab
Monitoring period
May 1, 2023 – May 31, 2023
Absence , sample collected May 3, 2023 14:38, sampling point TC0039 Coliform (TCR)
Absence , sample collected May 3, 2023 14:38, sampling point TC0039 E. Coli
Collected
May 2, 2023 07:10
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-220929-24657
Laboratory
MSDH Lab
Monitoring period
May 1, 2023 – May 31, 2023
Absence , sample collected May 2, 2023 07:10, sampling point TC0001 Coliform (TCR)
Absence , sample collected May 2, 2023 07:10, sampling point TC0001 E. Coli
Collected
May 2, 2023 07:27
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-220929-24658
Laboratory
MSDH Lab
Monitoring period
May 1, 2023 – May 31, 2023
Absence , sample collected May 2, 2023 07:27, sampling point TC0002 Coliform (TCR)
Absence , sample collected May 2, 2023 07:27, sampling point TC0002 E. Coli
Collected
May 2, 2023 07:50
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-220929-24659
Laboratory
MSDH Lab
Monitoring period
May 1, 2023 – May 31, 2023
Absence , sample collected May 2, 2023 07:50, sampling point TC0003 Coliform (TCR)
Absence , sample collected May 2, 2023 07:50, sampling point TC0003 E. Coli
Collected
May 2, 2023 08:16
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-220929-24671
Laboratory
MSDH Lab
Monitoring period
May 1, 2023 – May 31, 2023
Absence , sample collected May 2, 2023 08:16, sampling point TC0004 Coliform (TCR)
Absence , sample collected May 2, 2023 08:16, sampling point TC0004 E. Coli
Collected
May 2, 2023 08:38
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
BACT-220929-24672
Laboratory
MSDH Lab
Monitoring period
May 1, 2023 – May 31, 2023
Absence , sample collected May 2, 2023 08:38, sampling point TC0005 Coliform (TCR)
Absence , sample collected May 2, 2023 08:38, sampling point TC0005 E. Coli