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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 4,306–4,320 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 4,306 to 4,320 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Jul 10, 2012 10:33
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
535952
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2012 – Jul 31, 2012
Absence , sample collected Jul 10, 2012 10:33, sampling point DS000 Coliform (TCR)
Collected
Jul 10, 2012 09:56
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
536004
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2012 – Jul 31, 2012
Absence , sample collected Jul 10, 2012 09:56, sampling point DS000 Coliform (TCR)
Collected
Jul 5, 2012 10:59
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
533842
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2012 – Jul 31, 2012
Absence , sample collected Jul 5, 2012 10:59, sampling point DS000 Coliform (TCR)
Collected
Jul 5, 2012 08:55
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
533862
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2012 – Jul 31, 2012
Absence , sample collected Jul 5, 2012 08:55, sampling point DS000 Coliform (TCR)
Collected
Jul 5, 2012 09:33
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
533863
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2012 – Jul 31, 2012
Absence , sample collected Jul 5, 2012 09:33, sampling point DS000 Coliform (TCR)
Collected
Jul 5, 2012 07:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
533864
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2012 – Jul 31, 2012
Absence , sample collected Jul 5, 2012 07:40, sampling point DS000 Coliform (TCR)
Collected
Jul 5, 2012 10:42
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
533865
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2012 – Jul 31, 2012
Absence , sample collected Jul 5, 2012 10:42, sampling point DS000 Coliform (TCR)
Collected
Jul 5, 2012 12:16
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
533866
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2012 – Jul 31, 2012
Absence , sample collected Jul 5, 2012 12:16, sampling point DS000 Coliform (TCR)
Collected
Jul 5, 2012 12:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
533867
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2012 – Jul 31, 2012
Absence , sample collected Jul 5, 2012 12:50, sampling point DS000 Coliform (TCR)
Collected
Jul 5, 2012 11:25
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
533877
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2012 – Jul 31, 2012
Absence , sample collected Jul 5, 2012 11:25, sampling point DS000 Coliform (TCR)
Collected
Jul 5, 2012 10:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
533894
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2012 – Jul 31, 2012
Absence , sample collected Jul 5, 2012 10:30, sampling point DS000 Coliform (TCR)
Collected
Jul 5, 2012 09:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
533901
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2012 – Jul 31, 2012
Absence , sample collected Jul 5, 2012 09:45, sampling point DS000 Coliform (TCR)
Collected
Jul 5, 2012 12:02
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
533905
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2012 – Jul 31, 2012
Absence , sample collected Jul 5, 2012 12:02, sampling point DS000 Coliform (TCR)
Collected
Jul 5, 2012 08:27
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
533911
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2012 – Jul 31, 2012
Absence , sample collected Jul 5, 2012 08:27, sampling point DS000 Coliform (TCR)
Collected
Jul 5, 2012 11:36
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
533912
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2012 – Jul 31, 2012
Absence , sample collected Jul 5, 2012 11:36, sampling point DS000 Coliform (TCR)