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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 3,391–3,405 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 3,391 to 3,405 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Jul 7, 2015 09:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
786195
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2015 – Jul 31, 2015
Absence , sample collected Jul 7, 2015 09:50, sampling point DS000 Coliform (TCR)
Collected
Jul 7, 2015 08:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
786196
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2015 – Jul 31, 2015
Absence , sample collected Jul 7, 2015 08:30, sampling point DS000 Coliform (TCR)
Collected
Jul 7, 2015 10:58
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
786197
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2015 – Jul 31, 2015
Absence , sample collected Jul 7, 2015 10:58, sampling point DS000 Coliform (TCR)
Collected
Jul 7, 2015 09:32
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
786198
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2015 – Jul 31, 2015
Absence , sample collected Jul 7, 2015 09:32, sampling point DS000 Coliform (TCR)
Collected
Jul 7, 2015 10:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
786199
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2015 – Jul 31, 2015
Absence , sample collected Jul 7, 2015 10:30, sampling point DS000 Coliform (TCR)
Collected
Jul 7, 2015 08:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
786575
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2015 – Jul 31, 2015
Absence , sample collected Jul 7, 2015 08:50, sampling point DS000 Coliform (TCR)
Collected
Jul 7, 2015 07:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
786576
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2015 – Jul 31, 2015
Absence , sample collected Jul 7, 2015 07:50, sampling point DS000 Coliform (TCR)
Collected
Jun 3, 2015 08:05
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
779043
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2015 – Jun 30, 2015
Absence , sample collected Jun 3, 2015 08:05, sampling point DS000 Coliform (TCR)
Collected
Jun 3, 2015 11:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
779044
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2015 – Jun 30, 2015
Absence , sample collected Jun 3, 2015 11:45, sampling point DS000 Coliform (TCR)
Collected
Jun 3, 2015 09:52
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
779063
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2015 – Jun 30, 2015
Absence , sample collected Jun 3, 2015 09:52, sampling point DS000 Coliform (TCR)
Collected
Jun 3, 2015 08:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
779064
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2015 – Jun 30, 2015
Absence , sample collected Jun 3, 2015 08:30, sampling point DS000 Coliform (TCR)
Collected
Jun 3, 2015 07:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
779066
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2015 – Jun 30, 2015
Absence , sample collected Jun 3, 2015 07:40, sampling point DS000 Coliform (TCR)
Collected
Jun 3, 2015 11:12
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
779102
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2015 – Jun 30, 2015
Absence , sample collected Jun 3, 2015 11:12, sampling point DS000 Coliform (TCR)
Collected
Jun 3, 2015 08:54
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
779103
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2015 – Jun 30, 2015
Absence , sample collected Jun 3, 2015 08:54, sampling point DS000 Coliform (TCR)
Collected
Jun 3, 2015 10:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
779113
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2015 – Jun 30, 2015
Absence , sample collected Jun 3, 2015 10:15, sampling point DS000 Coliform (TCR)