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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 4,381–4,395 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 4,381 to 4,395 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
May 1, 2012 09:16
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
519571
Laboratory
MSDH Lab
Monitoring period
May 1, 2012 – May 31, 2012
Absence , sample collected May 1, 2012 09:16, sampling point DS000 Coliform (TCR)
Collected
May 1, 2012 10:25
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
519579
Laboratory
MSDH Lab
Monitoring period
May 1, 2012 – May 31, 2012
Absence , sample collected May 1, 2012 10:25, sampling point DS000 Coliform (TCR)
Collected
May 1, 2012 11:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
519581
Laboratory
MSDH Lab
Monitoring period
May 1, 2012 – May 31, 2012
Absence , sample collected May 1, 2012 11:15, sampling point DS000 Coliform (TCR)
Collected
May 1, 2012 11:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
519584
Laboratory
MSDH Lab
Monitoring period
May 1, 2012 – May 31, 2012
Absence , sample collected May 1, 2012 11:40, sampling point DS000 Coliform (TCR)
Collected
May 1, 2012 08:48
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
519589
Laboratory
MSDH Lab
Monitoring period
May 1, 2012 – May 31, 2012
Absence , sample collected May 1, 2012 08:48, sampling point DS000 Coliform (TCR)
Collected
May 1, 2012 08:35
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
519590
Laboratory
MSDH Lab
Monitoring period
May 1, 2012 – May 31, 2012
Absence , sample collected May 1, 2012 08:35, sampling point DS000 Coliform (TCR)
Collected
May 1, 2012 09:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
519597
Laboratory
MSDH Lab
Monitoring period
May 1, 2012 – May 31, 2012
Absence , sample collected May 1, 2012 09:30, sampling point DS000 Coliform (TCR)
Collected
Apr 4, 2012 11:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
513104
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2012 – Apr 30, 2012
Absence , sample collected Apr 4, 2012 11:45, sampling point DS000 Coliform (TCR)
Collected
Apr 4, 2012 12:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
513105
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2012 – Apr 30, 2012
Absence , sample collected Apr 4, 2012 12:15, sampling point DS000 Coliform (TCR)
Collected
Apr 4, 2012 09:21
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
513160
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2012 – Apr 30, 2012
Absence , sample collected Apr 4, 2012 09:21, sampling point DS000 Coliform (TCR)
Collected
Apr 4, 2012 09:05
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
513164
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2012 – Apr 30, 2012
Absence , sample collected Apr 4, 2012 09:05, sampling point DS000 Coliform (TCR)
Collected
Apr 4, 2012 08:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
513168
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2012 – Apr 30, 2012
Absence , sample collected Apr 4, 2012 08:30, sampling point DS000 Coliform (TCR)
Collected
Apr 4, 2012 09:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
513170
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2012 – Apr 30, 2012
Absence , sample collected Apr 4, 2012 09:45, sampling point DS000 Coliform (TCR)
Collected
Apr 4, 2012 11:09
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
513174
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2012 – Apr 30, 2012
Absence , sample collected Apr 4, 2012 11:09, sampling point DS000 Coliform (TCR)
Collected
Apr 4, 2012 08:48
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
513198
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2012 – Apr 30, 2012
Absence , sample collected Apr 4, 2012 08:48, sampling point DS000 Coliform (TCR)