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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 2,326–2,340 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 2,326 to 2,340 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Feb 5, 2019 09:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1054485
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2019 – Feb 28, 2019
Absence , sample collected Feb 5, 2019 09:45, sampling point DS000 Coliform (TCR)
Collected
Feb 5, 2019 11:03
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1054486
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2019 – Feb 28, 2019
Absence , sample collected Feb 5, 2019 11:03, sampling point DS000 Coliform (TCR)
Collected
Jan 9, 2019 07:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1049293
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2019 – Jan 31, 2019
Absence , sample collected Jan 9, 2019 07:50, sampling point DS000 Coliform (TCR)
Collected
Jan 9, 2019 09:04
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1049294
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2019 – Jan 31, 2019
Absence , sample collected Jan 9, 2019 09:04, sampling point DS000 Coliform (TCR)
Collected
Jan 9, 2019 08:42
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1049295
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2019 – Jan 31, 2019
Absence , sample collected Jan 9, 2019 08:42, sampling point DS000 Coliform (TCR)
Collected
Jan 9, 2019 08:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1049296
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2019 – Jan 31, 2019
Absence , sample collected Jan 9, 2019 08:20, sampling point DS000 Coliform (TCR)
Collected
Jan 9, 2019 09:27
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1049297
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2019 – Jan 31, 2019
Absence , sample collected Jan 9, 2019 09:27, sampling point DS000 Coliform (TCR)
Collected
Jan 9, 2019 09:48
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1049298
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2019 – Jan 31, 2019
Absence , sample collected Jan 9, 2019 09:48, sampling point DS000 Coliform (TCR)
Collected
Jan 9, 2019 10:10
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1049299
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2019 – Jan 31, 2019
Absence , sample collected Jan 9, 2019 10:10, sampling point DS000 Coliform (TCR)
Collected
Jan 9, 2019 10:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1049300
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2019 – Jan 31, 2019
Absence , sample collected Jan 9, 2019 10:40, sampling point DS000 Coliform (TCR)
Collected
Jan 8, 2019 08:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1048774
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2019 – Jan 31, 2019
Absence , sample collected Jan 8, 2019 08:45, sampling point DS000 Coliform (TCR)
Collected
Jan 8, 2019 09:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1048776
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2019 – Jan 31, 2019
Absence , sample collected Jan 8, 2019 09:45, sampling point DS000 Coliform (TCR)
Collected
Jan 8, 2019 11:03
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1048779
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2019 – Jan 31, 2019
Absence , sample collected Jan 8, 2019 11:03, sampling point DS000 Coliform (TCR)
Collected
Jan 8, 2019 10:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1048781
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2019 – Jan 31, 2019
Absence , sample collected Jan 8, 2019 10:45, sampling point DS000 Coliform (TCR)
Collected
Jan 8, 2019 10:27
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1048833
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2019 – Jan 31, 2019
Absence , sample collected Jan 8, 2019 10:27, sampling point DS000 Coliform (TCR)