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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 3,991–4,005 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 3,991 to 4,005 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Jul 9, 2013 09:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
621579
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2013 – Jul 31, 2013
Absence , sample collected Jul 9, 2013 09:40, sampling point DS000 Coliform (TCR)
Collected
Jul 9, 2013 10:25
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
621580
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2013 – Jul 31, 2013
Absence , sample collected Jul 9, 2013 10:25, sampling point DS000 Coliform (TCR)
Collected
Jul 9, 2013 10:55
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
621581
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2013 – Jul 31, 2013
Absence , sample collected Jul 9, 2013 10:55, sampling point DS000 Coliform (TCR)
Collected
Jul 9, 2013 08:32
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
621582
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2013 – Jul 31, 2013
Absence , sample collected Jul 9, 2013 08:32, sampling point DS000 Coliform (TCR)
Collected
Jul 9, 2013 07:42
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
621583
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2013 – Jul 31, 2013
Absence , sample collected Jul 9, 2013 07:42, sampling point DS000 Coliform (TCR)
Collected
Jul 9, 2013 07:55
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
621584
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2013 – Jul 31, 2013
Absence , sample collected Jul 9, 2013 07:55, sampling point DS000 Coliform (TCR)
Collected
Jul 9, 2013 13:58
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
621594
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2013 – Jul 31, 2013
Absence , sample collected Jul 9, 2013 13:58, sampling point DS000 Coliform (TCR)
Collected
Jun 5, 2013 11:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
613551
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2013 – Jun 30, 2013
Absence , sample collected Jun 5, 2013 11:50, sampling point DS000 Coliform (TCR)
Collected
Jun 5, 2013 09:07
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
613552
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2013 – Jun 30, 2013
Absence , sample collected Jun 5, 2013 09:07, sampling point DS000 Coliform (TCR)
Collected
Jun 5, 2013 08:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
613553
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2013 – Jun 30, 2013
Absence , sample collected Jun 5, 2013 08:50, sampling point DS000 Coliform (TCR)
Collected
Jun 5, 2013 10:05
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
613554
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2013 – Jun 30, 2013
Absence , sample collected Jun 5, 2013 10:05, sampling point DS000 Coliform (TCR)
Collected
Jun 5, 2013 10:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
613555
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2013 – Jun 30, 2013
Absence , sample collected Jun 5, 2013 10:50, sampling point DS000 Coliform (TCR)
Collected
Jun 5, 2013 10:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
613556
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2013 – Jun 30, 2013
Absence , sample collected Jun 5, 2013 10:40, sampling point DS000 Coliform (TCR)
Collected
Jun 5, 2013 09:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
613557
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2013 – Jun 30, 2013
Absence , sample collected Jun 5, 2013 09:30, sampling point DS000 Coliform (TCR)
Collected
Jun 5, 2013 11:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
613558
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2013 – Jun 30, 2013
Absence , sample collected Jun 5, 2013 11:30, sampling point DS000 Coliform (TCR)