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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. These figures cover the whole record; the list of samples further down is narrowed.

This system’s violations

The most recent samples

Showing samples collected between September 27, 2024 and September 27, 2026. That is this page’s default, not a limit on what the agency records.

Show every sample on record

Choose a date range

The list below shows 241–255 of 586 samples in this date range, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 241 to 255 of 586 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Nov 3, 2025 08:45
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
BACT-250519-27117
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2025 – Nov 30, 2025
Absence , sample collected Nov 3, 2025 08:45, sampling point TC0005 Coliform (TCR)
Absence , sample collected Nov 3, 2025 08:45, sampling point TC0005 E. Coli
Collected
Nov 3, 2025 08:58
Sampling point
TC0006 Outside Faucet
Sample type
Routine
Lab sample
BACT-250519-27038
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2025 – Nov 30, 2025
Absence , sample collected Nov 3, 2025 08:58, sampling point TC0006 Coliform (TCR)
Absence , sample collected Nov 3, 2025 08:58, sampling point TC0006 E. Coli
Collected
Nov 3, 2025 09:22
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-250519-27039
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2025 – Nov 30, 2025
Absence , sample collected Nov 3, 2025 09:22, sampling point TC0007 Coliform (TCR)
Absence , sample collected Nov 3, 2025 09:22, sampling point TC0007 E. Coli
Collected
Nov 3, 2025 09:47
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-250519-27040
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2025 – Nov 30, 2025
Absence , sample collected Nov 3, 2025 09:47, sampling point TC0008 Coliform (TCR)
Absence , sample collected Nov 3, 2025 09:47, sampling point TC0008 E. Coli
Collected
Nov 3, 2025 10:10
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-250519-27041
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2025 – Nov 30, 2025
Absence , sample collected Nov 3, 2025 10:10, sampling point TC0009 Coliform (TCR)
Absence , sample collected Nov 3, 2025 10:10, sampling point TC0009 E. Coli
Collected
Nov 3, 2025 10:24
Sampling point
TC0010 Outside Faucet
Sample type
Routine
Lab sample
BACT-250519-27042
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2025 – Nov 30, 2025
Absence , sample collected Nov 3, 2025 10:24, sampling point TC0010 Coliform (TCR)
Absence , sample collected Nov 3, 2025 10:24, sampling point TC0010 E. Coli
Collected
Nov 3, 2025 10:40
Sampling point
TC0011 Outside Faucet
Sample type
Routine
Lab sample
BACT-250519-27043
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2025 – Nov 30, 2025
Absence , sample collected Nov 3, 2025 10:40, sampling point TC0011 Coliform (TCR)
Absence , sample collected Nov 3, 2025 10:40, sampling point TC0011 E. Coli
Collected
Nov 3, 2025 11:01
Sampling point
TC0012 Outside Faucet
Sample type
Routine
Lab sample
BACT-250519-27044
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2025 – Nov 30, 2025
Absence , sample collected Nov 3, 2025 11:01, sampling point TC0012 Coliform (TCR)
Absence , sample collected Nov 3, 2025 11:01, sampling point TC0012 E. Coli
Collected
Nov 3, 2025 11:48
Sampling point
TC0014 Outside Faucet
Sample type
Routine
Lab sample
BACT-250519-27045
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2025 – Nov 30, 2025
Absence , sample collected Nov 3, 2025 11:48, sampling point TC0014 Coliform (TCR)
Absence , sample collected Nov 3, 2025 11:48, sampling point TC0014 E. Coli
Collected
Nov 3, 2025 12:10
Sampling point
TC0015 Outside Faucet
Sample type
Routine
Lab sample
BACT-250519-27046
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2025 – Nov 30, 2025
Absence , sample collected Nov 3, 2025 12:10, sampling point TC0015 Coliform (TCR)
Absence , sample collected Nov 3, 2025 12:10, sampling point TC0015 E. Coli
Collected
Nov 3, 2025 12:25
Sampling point
TC0016 Outside Faucet
Sample type
Routine
Lab sample
BACT-250519-27047
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2025 – Nov 30, 2025
Absence , sample collected Nov 3, 2025 12:25, sampling point TC0016 Coliform (TCR)
Absence , sample collected Nov 3, 2025 12:25, sampling point TC0016 E. Coli
Collected
Nov 3, 2025 12:44
Sampling point
TC0017 Outside Faucet
Sample type
Routine
Lab sample
BACT-250519-27048
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2025 – Nov 30, 2025
Absence , sample collected Nov 3, 2025 12:44, sampling point TC0017 Coliform (TCR)
Absence , sample collected Nov 3, 2025 12:44, sampling point TC0017 E. Coli
Collected
Nov 3, 2025 13:03
Sampling point
TC0018 Outside Faucet
Sample type
Routine
Lab sample
BACT-250519-27049
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2025 – Nov 30, 2025
Absence , sample collected Nov 3, 2025 13:03, sampling point TC0018 Coliform (TCR)
Absence , sample collected Nov 3, 2025 13:03, sampling point TC0018 E. Coli
Collected
Nov 3, 2025 13:21
Sampling point
TC0019 Outside Faucet
Sample type
Routine
Lab sample
BACT-250519-27050
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2025 – Nov 30, 2025
Absence , sample collected Nov 3, 2025 13:21, sampling point TC0019 Coliform (TCR)
Absence , sample collected Nov 3, 2025 13:21, sampling point TC0019 E. Coli
Collected
Nov 3, 2025 13:39
Sampling point
TC0020 Outside Faucet
Sample type
Routine
Lab sample
BACT-250519-27051
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2025 – Nov 30, 2025
Absence , sample collected Nov 3, 2025 13:39, sampling point TC0020 Coliform (TCR)
Absence , sample collected Nov 3, 2025 13:39, sampling point TC0020 E. Coli