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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 4,501–4,515 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 4,501 to 4,515 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Jan 4, 2012 13:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
492252
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2012 – Jan 31, 2012
Absence , sample collected Jan 4, 2012 13:45, sampling point DS000 Coliform (TCR)
Collected
Jan 4, 2012 12:55
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
492278
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2012 – Jan 31, 2012
Absence , sample collected Jan 4, 2012 12:55, sampling point DS000 Coliform (TCR)
Collected
Jan 4, 2012 11:05
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
492279
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2012 – Jan 31, 2012
Absence , sample collected Jan 4, 2012 11:05, sampling point DS000 Coliform (TCR)
Collected
Jan 4, 2012 09:01
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
492289
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2012 – Jan 31, 2012
Absence , sample collected Jan 4, 2012 09:01, sampling point DS000 Coliform (TCR)
Collected
Jan 4, 2012 09:17
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
492298
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2012 – Jan 31, 2012
Absence , sample collected Jan 4, 2012 09:17, sampling point DS000 Coliform (TCR)
Collected
Jan 4, 2012 10:13
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
492300
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2012 – Jan 31, 2012
Absence , sample collected Jan 4, 2012 10:13, sampling point DS000 Coliform (TCR)
Collected
Jan 4, 2012 14:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
492303
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2012 – Jan 31, 2012
Absence , sample collected Jan 4, 2012 14:00, sampling point DS000 Coliform (TCR)
Collected
Dec 13, 2011 09:09
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
488642
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2011 – Dec 31, 2011
Absence , sample collected Dec 13, 2011 09:09, sampling point DS000 Coliform (TCR)
Collected
Dec 13, 2011 08:38
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
488643
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2011 – Dec 31, 2011
Absence , sample collected Dec 13, 2011 08:38, sampling point DS000 Coliform (TCR)
Collected
Dec 13, 2011 10:53
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
488646
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2011 – Dec 31, 2011
Absence , sample collected Dec 13, 2011 10:53, sampling point DS000 Coliform (TCR)
Collected
Dec 13, 2011 12:43
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
488653
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2011 – Dec 31, 2011
Absence , sample collected Dec 13, 2011 12:43, sampling point DS000 Coliform (TCR)
Collected
Dec 13, 2011 11:43
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
488680
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2011 – Dec 31, 2011
Absence , sample collected Dec 13, 2011 11:43, sampling point DS000 Coliform (TCR)
Collected
Dec 13, 2011 12:01
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
488686
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2011 – Dec 31, 2011
Absence , sample collected Dec 13, 2011 12:01, sampling point DS000 Coliform (TCR)
Collected
Dec 13, 2011 12:26
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
488698
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2011 – Dec 31, 2011
Absence , sample collected Dec 13, 2011 12:26, sampling point DS000 Coliform (TCR)
Collected
Dec 13, 2011 13:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
488832
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2011 – Dec 31, 2011
Absence , sample collected Dec 13, 2011 13:00, sampling point DS000 Coliform (TCR)