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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 1,621–1,635 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 1,621 to 1,635 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Jun 1, 2021 08:06
Sampling point
TC0011 Outside Faucet
Sample type
Routine
Lab sample
BACT-210505-13847
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2021 – Jun 30, 2021
Absence , sample collected Jun 1, 2021 08:06, sampling point TC0011 Coliform (TCR)
Absence , sample collected Jun 1, 2021 08:06, sampling point TC0011 E. Coli
Collected
Jun 1, 2021 07:44
Sampling point
TC0012 Outside Faucet
Sample type
Routine
Lab sample
BACT-210505-13846
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2021 – Jun 30, 2021
Absence , sample collected Jun 1, 2021 07:44, sampling point TC0012 Coliform (TCR)
Absence , sample collected Jun 1, 2021 07:44, sampling point TC0012 E. Coli
Collected
Jun 1, 2021 07:22
Sampling point
TC0013 Outside Faucet
Sample type
Routine
Lab sample
BACT-210505-13845
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2021 – Jun 30, 2021
Absence , sample collected Jun 1, 2021 07:22, sampling point TC0013 Coliform (TCR)
Absence , sample collected Jun 1, 2021 07:22, sampling point TC0013 E. Coli
Collected
Jun 1, 2021 11:10
Sampling point
TC0027 Outside Faucet
Sample type
Routine
Lab sample
BACT-200518-27771
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2021 – Jun 30, 2021
Absence , sample collected Jun 1, 2021 11:10, sampling point TC0027 Coliform (TCR)
Absence , sample collected Jun 1, 2021 11:10, sampling point TC0027 E. Coli
Collected
Jun 1, 2021 10:31
Sampling point
TC0028 Outside Faucet
Sample type
Routine
Lab sample
BACT-210505-13854
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2021 – Jun 30, 2021
Absence , sample collected Jun 1, 2021 10:31, sampling point TC0028 Coliform (TCR)
Absence , sample collected Jun 1, 2021 10:31, sampling point TC0028 E. Coli
Collected
Jun 1, 2021 11:33
Sampling point
TC0035 Outside Faucet
Sample type
Routine
Lab sample
BACT-200518-27772
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2021 – Jun 30, 2021
Absence , sample collected Jun 1, 2021 11:33, sampling point TC0035 Coliform (TCR)
Absence , sample collected Jun 1, 2021 11:33, sampling point TC0035 E. Coli
Collected
Jun 1, 2021 10:50
Sampling point
TC0042 Outside Faucet
Sample type
Routine
Lab sample
BACT-200518-27770
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2021 – Jun 30, 2021
Absence , sample collected Jun 1, 2021 10:50, sampling point TC0042 Coliform (TCR)
Absence , sample collected Jun 1, 2021 10:50, sampling point TC0042 E. Coli
Collected
May 12, 2021 07:40
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-200518-27790
Laboratory
MSDH Lab
Monitoring period
May 1, 2021 – May 31, 2021
Absence , sample collected May 12, 2021 07:40, sampling point TC0001 Coliform (TCR)
Absence , sample collected May 12, 2021 07:40, sampling point TC0001 E. Coli
Collected
May 12, 2021 08:01
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-200518-27791
Laboratory
MSDH Lab
Monitoring period
May 1, 2021 – May 31, 2021
Absence , sample collected May 12, 2021 08:01, sampling point TC0002 Coliform (TCR)
Absence , sample collected May 12, 2021 08:01, sampling point TC0002 E. Coli
Collected
May 12, 2021 08:20
Sampling point
TC0014 Outside Faucet
Sample type
Routine
Lab sample
BACT-200518-27792
Laboratory
MSDH Lab
Monitoring period
May 1, 2021 – May 31, 2021
Absence , sample collected May 12, 2021 08:20, sampling point TC0014 Coliform (TCR)
Absence , sample collected May 12, 2021 08:20, sampling point TC0014 E. Coli
Collected
May 12, 2021 08:43
Sampling point
TC0016 Outside Faucet
Sample type
Routine
Lab sample
BACT-200518-27793
Laboratory
MSDH Lab
Monitoring period
May 1, 2021 – May 31, 2021
Absence , sample collected May 12, 2021 08:43, sampling point TC0016 Coliform (TCR)
Absence , sample collected May 12, 2021 08:43, sampling point TC0016 E. Coli
Collected
May 12, 2021 09:05
Sampling point
TC0017 Outside Faucet
Sample type
Routine
Lab sample
BACT-200518-27794
Laboratory
MSDH Lab
Monitoring period
May 1, 2021 – May 31, 2021
Absence , sample collected May 12, 2021 09:05, sampling point TC0017 Coliform (TCR)
Absence , sample collected May 12, 2021 09:05, sampling point TC0017 E. Coli
Collected
May 12, 2021 09:27
Sampling point
TC0019 Outside Faucet
Sample type
Routine
Lab sample
BACT-200518-27785
Laboratory
MSDH Lab
Monitoring period
May 1, 2021 – May 31, 2021
Absence , sample collected May 12, 2021 09:27, sampling point TC0019 Coliform (TCR)
Absence , sample collected May 12, 2021 09:27, sampling point TC0019 E. Coli
Collected
May 12, 2021 09:47
Sampling point
TC0020 Outside Faucet
Sample type
Routine
Lab sample
BACT-200518-27795
Laboratory
MSDH Lab
Monitoring period
May 1, 2021 – May 31, 2021
Absence , sample collected May 12, 2021 09:47, sampling point TC0020 Coliform (TCR)
Absence , sample collected May 12, 2021 09:47, sampling point TC0020 E. Coli
Collected
May 12, 2021 10:08
Sampling point
TC0021 Outside Faucet
Sample type
Routine
Lab sample
BACT-200518-27796
Laboratory
MSDH Lab
Monitoring period
May 1, 2021 – May 31, 2021
Absence , sample collected May 12, 2021 10:08, sampling point TC0021 Coliform (TCR)
Absence , sample collected May 12, 2021 10:08, sampling point TC0021 E. Coli