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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 1,051–1,065 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 1,051 to 1,065 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Apr 4, 2023 12:14
Sampling point
TC0021 Outside Faucet
Sample type
Routine
Lab sample
BACT-220929-24687
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2023 – Apr 30, 2023
Absence , sample collected Apr 4, 2023 12:14, sampling point TC0021 Coliform (TCR)
Absence , sample collected Apr 4, 2023 12:14, sampling point TC0021 E. Coli
Collected
Apr 4, 2023 11:01
Sampling point
TC0023 Outside Faucet
Sample type
Routine
Lab sample
BACT-220929-24686
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2023 – Apr 30, 2023
Absence , sample collected Apr 4, 2023 11:01, sampling point TC0023 Coliform (TCR)
Absence , sample collected Apr 4, 2023 11:01, sampling point TC0023 E. Coli
Collected
Apr 4, 2023 08:50
Sampling point
TC0025 Outside Faucet
Sample type
Routine
Lab sample
BACT-220929-24682
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2023 – Apr 30, 2023
Absence , sample collected Apr 4, 2023 08:50, sampling point TC0025 Coliform (TCR)
Absence , sample collected Apr 4, 2023 08:50, sampling point TC0025 E. Coli
Collected
Apr 4, 2023 13:33
Sampling point
TC0035 Outside Faucet
Sample type
Routine
Lab sample
BACT-220929-24670
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2023 – Apr 30, 2023
Absence , sample collected Apr 4, 2023 13:33, sampling point TC0035 Coliform (TCR)
Absence , sample collected Apr 4, 2023 13:33, sampling point TC0035 E. Coli
Collected
Apr 4, 2023 12:35
Sampling point
TC0039 Outside Faucet
Sample type
Routine
Lab sample
BACT-220929-24688
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2023 – Apr 30, 2023
Absence , sample collected Apr 4, 2023 12:35, sampling point TC0039 Coliform (TCR)
Absence , sample collected Apr 4, 2023 12:35, sampling point TC0039 E. Coli
Collected
Apr 3, 2023 07:55
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-220929-24640
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2023 – Apr 30, 2023
Absence , sample collected Apr 3, 2023 07:55, sampling point TC0001 Coliform (TCR)
Absence , sample collected Apr 3, 2023 07:55, sampling point TC0001 E. Coli
Collected
Apr 3, 2023 10:50
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-220929-24644
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2023 – Apr 30, 2023
Absence , sample collected Apr 3, 2023 10:50, sampling point TC0002 Coliform (TCR)
Absence , sample collected Apr 3, 2023 10:50, sampling point TC0002 E. Coli
Collected
Apr 3, 2023 08:51
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-220929-24641
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2023 – Apr 30, 2023
Absence , sample collected Apr 3, 2023 08:51, sampling point TC0003 Coliform (TCR)
Absence , sample collected Apr 3, 2023 08:51, sampling point TC0003 E. Coli
Collected
Apr 3, 2023 09:16
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-220929-24642
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2023 – Apr 30, 2023
Absence , sample collected Apr 3, 2023 09:16, sampling point TC0004 Coliform (TCR)
Absence , sample collected Apr 3, 2023 09:16, sampling point TC0004 E. Coli
Collected
Apr 3, 2023 09:44
Sampling point
TC0006 Outside Faucet
Sample type
Routine
Lab sample
BACT-220929-24643
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2023 – Apr 30, 2023
Absence , sample collected Apr 3, 2023 09:44, sampling point TC0006 Coliform (TCR)
Absence , sample collected Apr 3, 2023 09:44, sampling point TC0006 E. Coli
Collected
Apr 3, 2023 11:25
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-220929-24645
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2023 – Apr 30, 2023
Absence , sample collected Apr 3, 2023 11:25, sampling point TC0008 Coliform (TCR)
Absence , sample collected Apr 3, 2023 11:25, sampling point TC0008 E. Coli
Collected
Apr 3, 2023 11:44
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-220929-24646
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2023 – Apr 30, 2023
Absence , sample collected Apr 3, 2023 11:44, sampling point TC0009 Coliform (TCR)
Absence , sample collected Apr 3, 2023 11:44, sampling point TC0009 E. Coli
Collected
Apr 3, 2023 12:04
Sampling point
TC0010 Outside Faucet
Sample type
Routine
Lab sample
BACT-220929-24647
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2023 – Apr 30, 2023
Absence , sample collected Apr 3, 2023 12:04, sampling point TC0010 Coliform (TCR)
Absence , sample collected Apr 3, 2023 12:04, sampling point TC0010 E. Coli
Collected
Apr 3, 2023 12:27
Sampling point
TC0011 Outside Faucet
Sample type
Routine
Lab sample
BACT-220929-24648
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2023 – Apr 30, 2023
Absence , sample collected Apr 3, 2023 12:27, sampling point TC0011 Coliform (TCR)
Absence , sample collected Apr 3, 2023 12:27, sampling point TC0011 E. Coli
Collected
Apr 3, 2023 12:52
Sampling point
TC0012 Outside Faucet
Sample type
Routine
Lab sample
BACT-220929-24649
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2023 – Apr 30, 2023
Absence , sample collected Apr 3, 2023 12:52, sampling point TC0012 Coliform (TCR)
Absence , sample collected Apr 3, 2023 12:52, sampling point TC0012 E. Coli