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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 4,756–4,770 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 4,756 to 4,770 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Apr 12, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
431871
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2011 – Apr 30, 2011
Absence , sample collected Apr 12, 2011, sampling point DS000 Coliform (TCR)
Collected
Apr 12, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
431872
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2011 – Apr 30, 2011
Absence , sample collected Apr 12, 2011, sampling point DS000 Coliform (TCR)
Collected
Apr 12, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
431884
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2011 – Apr 30, 2011
Absence , sample collected Apr 12, 2011, sampling point DS000 Coliform (TCR)
Collected
Apr 6, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
430156
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2011 – Apr 30, 2011
Absence , sample collected Apr 6, 2011, sampling point DS000 Coliform (TCR)
Collected
Apr 6, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
430166
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2011 – Apr 30, 2011
Absence , sample collected Apr 6, 2011, sampling point DS000 Coliform (TCR)
Collected
Apr 6, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
430167
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2011 – Apr 30, 2011
Absence , sample collected Apr 6, 2011, sampling point DS000 Coliform (TCR)
Collected
Apr 6, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
430168
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2011 – Apr 30, 2011
Absence , sample collected Apr 6, 2011, sampling point DS000 Coliform (TCR)
Collected
Apr 6, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
430169
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2011 – Apr 30, 2011
Absence , sample collected Apr 6, 2011, sampling point DS000 Coliform (TCR)
Collected
Apr 6, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
430170
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2011 – Apr 30, 2011
Absence , sample collected Apr 6, 2011, sampling point DS000 Coliform (TCR)
Collected
Apr 6, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
430171
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2011 – Apr 30, 2011
Absence , sample collected Apr 6, 2011, sampling point DS000 Coliform (TCR)
Collected
Apr 6, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
430172
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2011 – Apr 30, 2011
Absence , sample collected Apr 6, 2011, sampling point DS000 Coliform (TCR)
Collected
Apr 6, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
430173
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2011 – Apr 30, 2011
Absence , sample collected Apr 6, 2011, sampling point DS000 Coliform (TCR)
Collected
Apr 6, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
430174
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2011 – Apr 30, 2011
Absence , sample collected Apr 6, 2011, sampling point DS000 Coliform (TCR)
Collected
Apr 6, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
430175
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2011 – Apr 30, 2011
Absence , sample collected Apr 6, 2011, sampling point DS000 Coliform (TCR)
Collected
Apr 6, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
430317
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2011 – Apr 30, 2011
Absence , sample collected Apr 6, 2011, sampling point DS000 Coliform (TCR)