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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. 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 46–60 of 7,469 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 46 to 60 of 7,469 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Jul 6, 2026 10:36
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-260603-16305
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 6, 2026 10:36, sampling point TC0007 Coliform (TCR)
Absence , sample collected Jul 6, 2026 10:36, sampling point TC0007 E. Coli
Collected
Jul 6, 2026 11:15
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-260603-16306
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 6, 2026 11:15, sampling point TC0008 Coliform (TCR)
Absence , sample collected Jul 6, 2026 11:15, sampling point TC0008 E. Coli
Collected
Jul 6, 2026 12:48
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-260603-16307
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 6, 2026 12:48, sampling point TC0009 Coliform (TCR)
Absence , sample collected Jul 6, 2026 12:48, sampling point TC0009 E. Coli
Collected
Jul 6, 2026 13:27
Sampling point
TC0010 Outside Faucet
Sample type
Routine
Lab sample
BACT-260603-16308
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 6, 2026 13:27, sampling point TC0010 Coliform (TCR)
Absence , sample collected Jul 6, 2026 13:27, sampling point TC0010 E. Coli
Collected
Jul 6, 2026 13:46
Sampling point
TC0011 Outside Faucet
Sample type
Routine
Lab sample
BACT-260603-16309
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 6, 2026 13:46, sampling point TC0011 Coliform (TCR)
Absence , sample collected Jul 6, 2026 13:46, sampling point TC0011 E. Coli
Collected
Jun 3, 2026 07:59
Sampling point
TC0015 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35820
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2026 – Jun 30, 2026
Absence , sample collected Jun 3, 2026 07:59, sampling point TC0015 Coliform (TCR)
Absence , sample collected Jun 3, 2026 07:59, sampling point TC0015 E. Coli
Collected
Jun 3, 2026 08:19
Sampling point
TC0016 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35821
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2026 – Jun 30, 2026
Absence , sample collected Jun 3, 2026 08:19, sampling point TC0016 Coliform (TCR)
Absence , sample collected Jun 3, 2026 08:19, sampling point TC0016 E. Coli
Collected
Jun 3, 2026 08:42
Sampling point
TC0017 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35822
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2026 – Jun 30, 2026
Absence , sample collected Jun 3, 2026 08:42, sampling point TC0017 Coliform (TCR)
Absence , sample collected Jun 3, 2026 08:42, sampling point TC0017 E. Coli
Collected
Jun 3, 2026 09:09
Sampling point
TC0018 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35823
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2026 – Jun 30, 2026
Absence , sample collected Jun 3, 2026 09:09, sampling point TC0018 Coliform (TCR)
Absence , sample collected Jun 3, 2026 09:09, sampling point TC0018 E. Coli
Collected
Jun 3, 2026 09:52
Sampling point
TC0019 Outside Faucet
Sample type
Routine
Lab sample
BACT-250519-26998
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2026 – Jun 30, 2026
Absence , sample collected Jun 3, 2026 09:52, sampling point TC0019 Coliform (TCR)
Absence , sample collected Jun 3, 2026 09:52, sampling point TC0019 E. Coli
Collected
Jun 3, 2026 10:21
Sampling point
TC0020 Outside Faucet
Sample type
Routine
Lab sample
BACT-250519-26999
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2026 – Jun 30, 2026
Absence , sample collected Jun 3, 2026 10:21, sampling point TC0020 Coliform (TCR)
Absence , sample collected Jun 3, 2026 10:21, sampling point TC0020 E. Coli
Collected
Jun 3, 2026 11:24
Sampling point
TC0021 Outside Faucet
Sample type
Routine
Lab sample
BACT-250519-27001
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2026 – Jun 30, 2026
Absence , sample collected Jun 3, 2026 11:24, sampling point TC0021 Coliform (TCR)
Absence , sample collected Jun 3, 2026 11:24, sampling point TC0021 E. Coli
Collected
Jun 3, 2026 10:53
Sampling point
TC0023 Outside Faucet
Sample type
Routine
Lab sample
BACT-250519-27000
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2026 – Jun 30, 2026
Absence , sample collected Jun 3, 2026 10:53, sampling point TC0023 Coliform (TCR)
Absence , sample collected Jun 3, 2026 10:53, sampling point TC0023 E. Coli
Collected
Jun 3, 2026 13:01
Sampling point
TC0029 Outside Faucet
Sample type
Routine
Lab sample
BACT-250519-27004
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2026 – Jun 30, 2026
Absence , sample collected Jun 3, 2026 13:01, sampling point TC0029 Coliform (TCR)
Absence , sample collected Jun 3, 2026 13:01, sampling point TC0029 E. Coli
Collected
Jun 3, 2026 12:29
Sampling point
TC0039 Outside Faucet
Sample type
Routine
Lab sample
BACT-250519-27003
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2026 – Jun 30, 2026
Absence , sample collected Jun 3, 2026 12:29, sampling point TC0039 Coliform (TCR)
Absence , sample collected Jun 3, 2026 12:29, sampling point TC0039 E. Coli