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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 4,366–4,380 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 4,366 to 4,380 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
May 2, 2012 09:51
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
520673
Laboratory
MSDH Lab
Monitoring period
May 1, 2012 – May 31, 2012
Absence , sample collected May 2, 2012 09:51, sampling point DS000 Coliform (TCR)
Collected
May 2, 2012 10:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
520674
Laboratory
MSDH Lab
Monitoring period
May 1, 2012 – May 31, 2012
Absence , sample collected May 2, 2012 10:15, sampling point DS000 Coliform (TCR)
Collected
May 2, 2012 09:12
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
520690
Laboratory
MSDH Lab
Monitoring period
May 1, 2012 – May 31, 2012
Absence , sample collected May 2, 2012 09:12, sampling point DS000 Coliform (TCR)
Collected
May 1, 2012 12:16
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
519365
Laboratory
MSDH Lab
Monitoring period
May 1, 2012 – May 31, 2012
Absence , sample collected May 1, 2012 12:16, sampling point DS000 Coliform (TCR)
Collected
May 1, 2012 13:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
519369
Laboratory
MSDH Lab
Monitoring period
May 1, 2012 – May 31, 2012
Absence , sample collected May 1, 2012 13:40, sampling point DS000 Coliform (TCR)
Collected
May 1, 2012 14:11
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
519370
Laboratory
MSDH Lab
Monitoring period
May 1, 2012 – May 31, 2012
Absence , sample collected May 1, 2012 14:11, sampling point DS000 Coliform (TCR)
Collected
May 1, 2012 00:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
519371
Laboratory
MSDH Lab
Monitoring period
May 1, 2012 – May 31, 2012
Absence , sample collected May 1, 2012 00:45, sampling point DS000 Coliform (TCR)
Collected
May 1, 2012 13:55
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
519372
Laboratory
MSDH Lab
Monitoring period
May 1, 2012 – May 31, 2012
Absence , sample collected May 1, 2012 13:55, sampling point DS000 Coliform (TCR)
Collected
May 1, 2012 13:03
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
519378
Laboratory
MSDH Lab
Monitoring period
May 1, 2012 – May 31, 2012
Absence , sample collected May 1, 2012 13:03, sampling point DS000 Coliform (TCR)
Collected
May 1, 2012 11:58
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
519383
Laboratory
MSDH Lab
Monitoring period
May 1, 2012 – May 31, 2012
Absence , sample collected May 1, 2012 11:58, sampling point DS000 Coliform (TCR)
Collected
May 1, 2012 11:03
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
519565
Laboratory
MSDH Lab
Monitoring period
May 1, 2012 – May 31, 2012
Absence , sample collected May 1, 2012 11:03, sampling point DS000 Coliform (TCR)
Collected
May 1, 2012 10:13
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
519566
Laboratory
MSDH Lab
Monitoring period
May 1, 2012 – May 31, 2012
Absence , sample collected May 1, 2012 10:13, sampling point DS000 Coliform (TCR)
Collected
May 1, 2012 09:55
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
519567
Laboratory
MSDH Lab
Monitoring period
May 1, 2012 – May 31, 2012
Absence , sample collected May 1, 2012 09:55, sampling point DS000 Coliform (TCR)
Collected
May 1, 2012 09:42
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
519568
Laboratory
MSDH Lab
Monitoring period
May 1, 2012 – May 31, 2012
Absence , sample collected May 1, 2012 09:42, sampling point DS000 Coliform (TCR)
Collected
May 1, 2012 10:48
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
519570
Laboratory
MSDH Lab
Monitoring period
May 1, 2012 – May 31, 2012
Absence , sample collected May 1, 2012 10:48, sampling point DS000 Coliform (TCR)