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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 3,496–3,510 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 3,496 to 3,510 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Mar 4, 2015 08:29
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
758658
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2015 – Mar 31, 2015
Absence , sample collected Mar 4, 2015 08:29, sampling point DS000 Coliform (TCR)
Collected
Mar 4, 2015 12:35
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
758659
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2015 – Mar 31, 2015
Absence , sample collected Mar 4, 2015 12:35, sampling point DS000 Coliform (TCR)
Collected
Feb 10, 2015 08:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
754731
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2015 – Feb 28, 2015
Absence , sample collected Feb 10, 2015 08:30, sampling point DS000 Coliform (TCR)
Collected
Feb 10, 2015 09:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
754732
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2015 – Feb 28, 2015
Absence , sample collected Feb 10, 2015 09:00, sampling point DS000 Coliform (TCR)
Collected
Feb 10, 2015 09:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
754733
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2015 – Feb 28, 2015
Absence , sample collected Feb 10, 2015 09:40, sampling point DS000 Coliform (TCR)
Collected
Feb 10, 2015 07:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
754734
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2015 – Feb 28, 2015
Absence , sample collected Feb 10, 2015 07:50, sampling point DS000 Coliform (TCR)
Collected
Feb 10, 2015 10:55
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
754745
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2015 – Feb 28, 2015
Absence , sample collected Feb 10, 2015 10:55, sampling point DS000 Coliform (TCR)
Collected
Feb 10, 2015 11:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
754746
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2015 – Feb 28, 2015
Absence , sample collected Feb 10, 2015 11:50, sampling point DS000 Coliform (TCR)
Collected
Feb 10, 2015 11:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
754748
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2015 – Feb 28, 2015
Absence , sample collected Feb 10, 2015 11:20, sampling point DS000 Coliform (TCR)
Collected
Feb 10, 2015 10:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
754749
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2015 – Feb 28, 2015
Absence , sample collected Feb 10, 2015 10:30, sampling point DS000 Coliform (TCR)
Collected
Feb 10, 2015 10:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
754750
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2015 – Feb 28, 2015
Absence , sample collected Feb 10, 2015 10:00, sampling point DS000 Coliform (TCR)
Collected
Feb 4, 2015 08:55
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
753317
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2015 – Feb 28, 2015
Absence , sample collected Feb 4, 2015 08:55, sampling point DS000 Coliform (TCR)
Collected
Feb 4, 2015 08:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
753318
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2015 – Feb 28, 2015
Absence , sample collected Feb 4, 2015 08:40, sampling point DS000 Coliform (TCR)
Collected
Feb 4, 2015 07:35
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
753319
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2015 – Feb 28, 2015
Absence , sample collected Feb 4, 2015 07:35, sampling point DS000 Coliform (TCR)
Collected
Feb 4, 2015 08:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
753320
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2015 – Feb 28, 2015
Absence , sample collected Feb 4, 2015 08:20, sampling point DS000 Coliform (TCR)