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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 28, 2024 and September 28, 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 511–525 of 586 samples in this date range, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 511 to 525 of 586 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Jan 7, 2025 12:49
Sampling point
TC0014 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35952
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2025 – Jan 31, 2025
Absence , sample collected Jan 7, 2025 12:49, sampling point TC0014 Coliform (TCR)
Absence , sample collected Jan 7, 2025 12:49, sampling point TC0014 E. Coli
Collected
Dec 4, 2024 08:18
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-36013
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2024 – Dec 31, 2024
Absence , sample collected Dec 4, 2024 08:18, sampling point TC0001 Coliform (TCR)
Absence , sample collected Dec 4, 2024 08:18, sampling point TC0001 E. Coli
Collected
Dec 4, 2024 07:45
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-36012
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2024 – Dec 31, 2024
Absence , sample collected Dec 4, 2024 07:45, sampling point TC0002 Coliform (TCR)
Absence , sample collected Dec 4, 2024 07:45, sampling point TC0002 E. Coli
Collected
Dec 4, 2024 08:38
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-36014
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2024 – Dec 31, 2024
Absence , sample collected Dec 4, 2024 08:38, sampling point TC0003 Coliform (TCR)
Absence , sample collected Dec 4, 2024 08:38, sampling point TC0003 E. Coli
Collected
Dec 4, 2024 08:56
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-36015
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2024 – Dec 31, 2024
Absence , sample collected Dec 4, 2024 08:56, sampling point TC0004 Coliform (TCR)
Absence , sample collected Dec 4, 2024 08:56, sampling point TC0004 E. Coli
Collected
Dec 4, 2024 09:17
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-36016
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2024 – Dec 31, 2024
Absence , sample collected Dec 4, 2024 09:17, sampling point TC0005 Coliform (TCR)
Absence , sample collected Dec 4, 2024 09:17, sampling point TC0005 E. Coli
Collected
Dec 4, 2024 09:32
Sampling point
TC0006 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-36017
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2024 – Dec 31, 2024
Absence , sample collected Dec 4, 2024 09:32, sampling point TC0006 Coliform (TCR)
Absence , sample collected Dec 4, 2024 09:32, sampling point TC0006 E. Coli
Collected
Dec 4, 2024 09:50
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-36018
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2024 – Dec 31, 2024
Absence , sample collected Dec 4, 2024 09:50, sampling point TC0007 Coliform (TCR)
Absence , sample collected Dec 4, 2024 09:50, sampling point TC0007 E. Coli
Collected
Dec 4, 2024 10:06
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-36019
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2024 – Dec 31, 2024
Absence , sample collected Dec 4, 2024 10:06, sampling point TC0008 Coliform (TCR)
Absence , sample collected Dec 4, 2024 10:06, sampling point TC0008 E. Coli
Collected
Dec 4, 2024 10:28
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-36020
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2024 – Dec 31, 2024
Absence , sample collected Dec 4, 2024 10:28, sampling point TC0009 Coliform (TCR)
Absence , sample collected Dec 4, 2024 10:28, sampling point TC0009 E. Coli
Collected
Dec 4, 2024 10:44
Sampling point
TC0011 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-36021
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2024 – Dec 31, 2024
Absence , sample collected Dec 4, 2024 10:44, sampling point TC0011 Coliform (TCR)
Absence , sample collected Dec 4, 2024 10:44, sampling point TC0011 E. Coli
Collected
Dec 4, 2024 11:00
Sampling point
TC0012 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-36022
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2024 – Dec 31, 2024
Absence , sample collected Dec 4, 2024 11:00, sampling point TC0012 Coliform (TCR)
Absence , sample collected Dec 4, 2024 11:00, sampling point TC0012 E. Coli
Collected
Dec 4, 2024 12:05
Sampling point
TC0013 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-36023
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2024 – Dec 31, 2024
Absence , sample collected Dec 4, 2024 12:05, sampling point TC0013 Coliform (TCR)
Absence , sample collected Dec 4, 2024 12:05, sampling point TC0013 E. Coli
Collected
Dec 4, 2024 12:29
Sampling point
TC0014 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35924
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2024 – Dec 31, 2024
Absence , sample collected Dec 4, 2024 12:29, sampling point TC0014 Coliform (TCR)
Absence , sample collected Dec 4, 2024 12:29, sampling point TC0014 E. Coli
Collected
Dec 4, 2024 12:47
Sampling point
TC0015 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-35925
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2024 – Dec 31, 2024
Absence , sample collected Dec 4, 2024 12:47, sampling point TC0015 Coliform (TCR)
Absence , sample collected Dec 4, 2024 12:47, sampling point TC0015 E. Coli