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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 3,841–3,855 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 3,841 to 3,855 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Jan 14, 2014 12:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
666240
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2014 – Jan 31, 2014
Absence , sample collected Jan 14, 2014 12:30, sampling point DS000 Coliform (TCR)
Collected
Jan 14, 2014 11:27
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
666241
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2014 – Jan 31, 2014
Absence , sample collected Jan 14, 2014 11:27, sampling point DS000 Coliform (TCR)
Collected
Jan 14, 2014 11:46
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
666242
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2014 – Jan 31, 2014
Absence , sample collected Jan 14, 2014 11:46, sampling point DS000 Coliform (TCR)
Collected
Jan 14, 2014 12:10
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
666243
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2014 – Jan 31, 2014
Absence , sample collected Jan 14, 2014 12:10, sampling point DS000 Coliform (TCR)
Collected
Jan 14, 2014 11:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
666244
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2014 – Jan 31, 2014
Absence , sample collected Jan 14, 2014 11:15, sampling point DS000 Coliform (TCR)
Collected
Jan 14, 2014 10:58
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
666245
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2014 – Jan 31, 2014
Absence , sample collected Jan 14, 2014 10:58, sampling point DS000 Coliform (TCR)
Collected
Jan 14, 2014 10:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
666246
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2014 – Jan 31, 2014
Absence , sample collected Jan 14, 2014 10:30, sampling point DS000 Coliform (TCR)
Collected
Dec 4, 2013 11:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
657451
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2013 – Dec 31, 2013
Absence , sample collected Dec 4, 2013 11:20, sampling point DS000 Coliform (TCR)
Collected
Dec 4, 2013 07:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
657452
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2013 – Dec 31, 2013
Absence , sample collected Dec 4, 2013 07:50, sampling point DS000 Coliform (TCR)
Collected
Dec 4, 2013 09:01
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
657453
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2013 – Dec 31, 2013
Absence , sample collected Dec 4, 2013 09:01, sampling point DS000 Coliform (TCR)
Collected
Dec 4, 2013 09:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
657454
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2013 – Dec 31, 2013
Absence , sample collected Dec 4, 2013 09:30, sampling point DS000 Coliform (TCR)
Collected
Dec 4, 2013 13:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
657455
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2013 – Dec 31, 2013
Absence , sample collected Dec 4, 2013 13:20, sampling point DS000 Coliform (TCR)
Collected
Dec 4, 2013 08:25
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
657456
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2013 – Dec 31, 2013
Absence , sample collected Dec 4, 2013 08:25, sampling point DS000 Coliform (TCR)
Collected
Dec 4, 2013 11:46
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
657462
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2013 – Dec 31, 2013
Absence , sample collected Dec 4, 2013 11:46, sampling point DS000 Coliform (TCR)
Collected
Dec 4, 2013 12:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
657463
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2013 – Dec 31, 2013
Absence , sample collected Dec 4, 2013 12:20, sampling point DS000 Coliform (TCR)