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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 1,036–1,050 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 1,036 to 1,050 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
May 2, 2023 09:06
Sampling point
TC0006 Outside Faucet
Sample type
Routine
Lab sample
BACT-220929-24673
Laboratory
MSDH Lab
Monitoring period
May 1, 2023 – May 31, 2023
Absence , sample collected May 2, 2023 09:06, sampling point TC0006 Coliform (TCR)
Absence , sample collected May 2, 2023 09:06, sampling point TC0006 E. Coli
Collected
May 2, 2023 10:01
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-220929-24676
Laboratory
MSDH Lab
Monitoring period
May 1, 2023 – May 31, 2023
Absence , sample collected May 2, 2023 10:01, sampling point TC0007 Coliform (TCR)
Absence , sample collected May 2, 2023 10:01, sampling point TC0007 E. Coli
Collected
May 2, 2023 09:27
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-220929-24674
Laboratory
MSDH Lab
Monitoring period
May 1, 2023 – May 31, 2023
Absence , sample collected May 2, 2023 09:27, sampling point TC0008 Coliform (TCR)
Absence , sample collected May 2, 2023 09:27, sampling point TC0008 E. Coli
Collected
May 2, 2023 09:42
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-220929-24675
Laboratory
MSDH Lab
Monitoring period
May 1, 2023 – May 31, 2023
Absence , sample collected May 2, 2023 09:42, sampling point TC0009 Coliform (TCR)
Absence , sample collected May 2, 2023 09:42, sampling point TC0009 E. Coli
Collected
May 2, 2023 10:38
Sampling point
TC0010 Outside Faucet
Sample type
Routine
Lab sample
BACT-220929-24678
Laboratory
MSDH Lab
Monitoring period
May 1, 2023 – May 31, 2023
Absence , sample collected May 2, 2023 10:38, sampling point TC0010 Coliform (TCR)
Absence , sample collected May 2, 2023 10:38, sampling point TC0010 E. Coli
Collected
May 2, 2023 10:22
Sampling point
TC0011 Outside Faucet
Sample type
Routine
Lab sample
BACT-220929-24677
Laboratory
MSDH Lab
Monitoring period
May 1, 2023 – May 31, 2023
Absence , sample collected May 2, 2023 10:22, sampling point TC0011 Coliform (TCR)
Absence , sample collected May 2, 2023 10:22, sampling point TC0011 E. Coli
Collected
May 2, 2023 11:35
Sampling point
TC0012 Outside Faucet
Sample type
Routine
Lab sample
BACT-220929-24679
Laboratory
MSDH Lab
Monitoring period
May 1, 2023 – May 31, 2023
Absence , sample collected May 2, 2023 11:35, sampling point TC0012 Coliform (TCR)
Absence , sample collected May 2, 2023 11:35, sampling point TC0012 E. Coli
Collected
Apr 10, 2023 09:56
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
BACT-220929-24654
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2023 – Apr 30, 2023
Absence , sample collected Apr 10, 2023 09:56, sampling point TC0005 Coliform (TCR)
Absence , sample collected Apr 10, 2023 09:56, sampling point TC0005 E. Coli
Collected
Apr 10, 2023 09:35
Sampling point
TC0026 Outside Faucet
Sample type
Routine
Lab sample
BACT-220929-24653
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2023 – Apr 30, 2023
Absence , sample collected Apr 10, 2023 09:35, sampling point TC0026 Coliform (TCR)
Absence , sample collected Apr 10, 2023 09:35, sampling point TC0026 E. Coli
Collected
Apr 10, 2023 09:03
Sampling point
TC0027 Outside Faucet
Sample type
Routine
Lab sample
BACT-220929-24651
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2023 – Apr 30, 2023
Absence , sample collected Apr 10, 2023 09:03, sampling point TC0027 Coliform (TCR)
Absence , sample collected Apr 10, 2023 09:03, sampling point TC0027 E. Coli
Collected
Apr 10, 2023 08:31
Sampling point
TC0029 Outside Faucet
Sample type
Routine
Lab sample
BACT-220929-24652
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2023 – Apr 30, 2023
Absence , sample collected Apr 10, 2023 08:31, sampling point TC0029 Coliform (TCR)
Absence , sample collected Apr 10, 2023 08:31, sampling point TC0029 E. Coli
Collected
Apr 4, 2023 09:31
Sampling point
TC0016 Outside Faucet
Sample type
Routine
Lab sample
BACT-220929-24683
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2023 – Apr 30, 2023
Absence , sample collected Apr 4, 2023 09:31, sampling point TC0016 Coliform (TCR)
Absence , sample collected Apr 4, 2023 09:31, sampling point TC0016 E. Coli
Collected
Apr 4, 2023 09:52
Sampling point
TC0017 Outside Faucet
Sample type
Routine
Lab sample
BACT-220929-24684
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2023 – Apr 30, 2023
Absence , sample collected Apr 4, 2023 09:52, sampling point TC0017 Coliform (TCR)
Absence , sample collected Apr 4, 2023 09:52, sampling point TC0017 E. Coli
Collected
Apr 4, 2023 10:25
Sampling point
TC0019 Outside Faucet
Sample type
Routine
Lab sample
BACT-220929-24685
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2023 – Apr 30, 2023
Absence , sample collected Apr 4, 2023 10:25, sampling point TC0019 Coliform (TCR)
Absence , sample collected Apr 4, 2023 10:25, sampling point TC0019 E. Coli
Collected
Apr 4, 2023 13:01
Sampling point
TC0020 Outside Faucet
Sample type
Routine
Lab sample
BACT-220929-24689
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2023 – Apr 30, 2023
Absence , sample collected Apr 4, 2023 13:01, sampling point TC0020 Coliform (TCR)
Absence , sample collected Apr 4, 2023 13:01, sampling point TC0020 E. Coli