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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 4,471–4,485 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 4,471 to 4,485 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Feb 7, 2012 08:37
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
500278
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2012 – Feb 29, 2012
Absence , sample collected Feb 7, 2012 08:37, sampling point DS000 Coliform (TCR)
Collected
Feb 7, 2012 09:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
500279
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2012 – Feb 29, 2012
Absence , sample collected Feb 7, 2012 09:30, sampling point DS000 Coliform (TCR)
Collected
Feb 7, 2012 13:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
500280
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2012 – Feb 29, 2012
Absence , sample collected Feb 7, 2012 13:40, sampling point DS000 Coliform (TCR)
Collected
Feb 7, 2012 13:53
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
500282
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2012 – Feb 29, 2012
Absence , sample collected Feb 7, 2012 13:53, sampling point DS000 Coliform (TCR)
Collected
Feb 7, 2012 12:57
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
500290
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2012 – Feb 29, 2012
Absence , sample collected Feb 7, 2012 12:57, sampling point DS000 Coliform (TCR)
Collected
Feb 7, 2012 12:06
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
500291
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2012 – Feb 29, 2012
Absence , sample collected Feb 7, 2012 12:06, sampling point DS000 Coliform (TCR)
Collected
Feb 7, 2012 12:46
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
500292
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2012 – Feb 29, 2012
Absence , sample collected Feb 7, 2012 12:46, sampling point DS000 Coliform (TCR)
Collected
Jan 11, 2012 11:11
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
493875
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2012 – Jan 31, 2012
Absence , sample collected Jan 11, 2012 11:11, sampling point DS000 Coliform (TCR)
Collected
Jan 11, 2012 10:10
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
493876
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2012 – Jan 31, 2012
Absence , sample collected Jan 11, 2012 10:10, sampling point DS000 Coliform (TCR)
Collected
Jan 11, 2012 10:27
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
493882
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2012 – Jan 31, 2012
Absence , sample collected Jan 11, 2012 10:27, sampling point DS000 Coliform (TCR)
Collected
Jan 11, 2012 11:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
493885
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2012 – Jan 31, 2012
Absence , sample collected Jan 11, 2012 11:20, sampling point DS000 Coliform (TCR)
Collected
Jan 11, 2012 11:51
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
493887
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2012 – Jan 31, 2012
Absence , sample collected Jan 11, 2012 11:51, sampling point DS000 Coliform (TCR)
Collected
Jan 11, 2012 12:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
493888
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2012 – Jan 31, 2012
Absence , sample collected Jan 11, 2012 12:00, sampling point DS000 Coliform (TCR)
Collected
Jan 11, 2012 10:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
493889
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2012 – Jan 31, 2012
Absence , sample collected Jan 11, 2012 10:45, sampling point DS000 Coliform (TCR)
Collected
Jan 11, 2012 09:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
493897
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2012 – Jan 31, 2012
Absence , sample collected Jan 11, 2012 09:40, sampling point DS000 Coliform (TCR)