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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 4,291–4,305 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 4,291 to 4,305 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Aug 1, 2012 14:05
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
544184
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2012 – Aug 31, 2012
Absence , sample collected Aug 1, 2012 14:05, sampling point DS000 Coliform (TCR)
Collected
Aug 1, 2012 08:52
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
544186
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2012 – Aug 31, 2012
Absence , sample collected Aug 1, 2012 08:52, sampling point DS000 Coliform (TCR)
Collected
Aug 1, 2012 12:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
544253
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2012 – Aug 31, 2012
Absence , sample collected Aug 1, 2012 12:45, sampling point DS000 Coliform (TCR)
Collected
Aug 1, 2012 12:31
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
544297
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2012 – Aug 31, 2012
Absence , sample collected Aug 1, 2012 12:31, sampling point DS000 Coliform (TCR)
Collected
Aug 1, 2012 11:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
544302
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2012 – Aug 31, 2012
Absence , sample collected Aug 1, 2012 11:30, sampling point DS000 Coliform (TCR)
Collected
Aug 1, 2012 09:21
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
544306
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2012 – Aug 31, 2012
Absence , sample collected Aug 1, 2012 09:21, sampling point DS000 Coliform (TCR)
Collected
Aug 1, 2012 12:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
544324
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2012 – Aug 31, 2012
Absence , sample collected Aug 1, 2012 12:00, sampling point DS000 Coliform (TCR)
Collected
Jul 10, 2012 10:11
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
535700
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2012 – Jul 31, 2012
Absence , sample collected Jul 10, 2012 10:11, sampling point DS000 Coliform (TCR)
Collected
Jul 10, 2012 08:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
535703
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2012 – Jul 31, 2012
Absence , sample collected Jul 10, 2012 08:30, sampling point DS000 Coliform (TCR)
Collected
Jul 10, 2012 08:19
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
535727
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2012 – Jul 31, 2012
Absence , sample collected Jul 10, 2012 08:19, sampling point DS000 Coliform (TCR)
Collected
Jul 10, 2012 09:07
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
535728
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2012 – Jul 31, 2012
Absence , sample collected Jul 10, 2012 09:07, sampling point DS000 Coliform (TCR)
Collected
Jul 10, 2012 08:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
535729
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2012 – Jul 31, 2012
Absence , sample collected Jul 10, 2012 08:45, sampling point DS000 Coliform (TCR)
Collected
Jul 10, 2012 09:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
535740
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2012 – Jul 31, 2012
Absence , sample collected Jul 10, 2012 09:30, sampling point DS000 Coliform (TCR)
Collected
Jul 10, 2012 07:54
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
535742
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2012 – Jul 31, 2012
Absence , sample collected Jul 10, 2012 07:54, sampling point DS000 Coliform (TCR)
Collected
Jul 10, 2012 10:58
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
535771
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2012 – Jul 31, 2012
Absence , sample collected Jul 10, 2012 10:58, sampling point DS000 Coliform (TCR)