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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 3,121–3,135 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 3,121 to 3,135 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Jun 1, 2016 09:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
859339
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2016 – Jun 30, 2016
Absence , sample collected Jun 1, 2016 09:40, sampling point DS000 Coliform (TCR)
Collected
Jun 1, 2016 10:32
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
859340
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2016 – Jun 30, 2016
Absence , sample collected Jun 1, 2016 10:32, sampling point DS000 Coliform (TCR)
Collected
May 4, 2016 10:05
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
854590
Laboratory
MSDH Lab
Monitoring period
May 1, 2016 – May 31, 2016
Absence , sample collected May 4, 2016 10:05, sampling point DS000 Coliform (TCR)
Collected
May 4, 2016 09:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
854591
Laboratory
MSDH Lab
Monitoring period
May 1, 2016 – May 31, 2016
Absence , sample collected May 4, 2016 09:40, sampling point DS000 Coliform (TCR)
Collected
May 4, 2016 08:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
854592
Laboratory
MSDH Lab
Monitoring period
May 1, 2016 – May 31, 2016
Absence , sample collected May 4, 2016 08:20, sampling point DS000 Coliform (TCR)
Collected
May 4, 2016 07:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
854593
Laboratory
MSDH Lab
Monitoring period
May 1, 2016 – May 31, 2016
Absence , sample collected May 4, 2016 07:50, sampling point DS000 Coliform (TCR)
Collected
May 4, 2016 12:41
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
854594
Laboratory
MSDH Lab
Monitoring period
May 1, 2016 – May 31, 2016
Absence , sample collected May 4, 2016 12:41, sampling point DS000 Coliform (TCR)
Collected
May 4, 2016 08:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
854595
Laboratory
MSDH Lab
Monitoring period
May 1, 2016 – May 31, 2016
Absence , sample collected May 4, 2016 08:40, sampling point DS000 Coliform (TCR)
Collected
May 4, 2016 11:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
854596
Laboratory
MSDH Lab
Monitoring period
May 1, 2016 – May 31, 2016
Absence , sample collected May 4, 2016 11:40, sampling point DS000 Coliform (TCR)
Collected
May 4, 2016 10:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
854597
Laboratory
MSDH Lab
Monitoring period
May 1, 2016 – May 31, 2016
Absence , sample collected May 4, 2016 10:30, sampling point DS000 Coliform (TCR)
Collected
May 4, 2016 11:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
854598
Laboratory
MSDH Lab
Monitoring period
May 1, 2016 – May 31, 2016
Absence , sample collected May 4, 2016 11:00, sampling point DS000 Coliform (TCR)
Collected
May 3, 2016 09:34
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
853615
Laboratory
MSDH Lab
Monitoring period
May 1, 2016 – May 31, 2016
Absence , sample collected May 3, 2016 09:34, sampling point DS000 Coliform (TCR)
Collected
May 3, 2016 11:05
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
853616
Laboratory
MSDH Lab
Monitoring period
May 1, 2016 – May 31, 2016
Absence , sample collected May 3, 2016 11:05, sampling point DS000 Coliform (TCR)
Collected
May 3, 2016 09:55
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
853617
Laboratory
MSDH Lab
Monitoring period
May 1, 2016 – May 31, 2016
Absence , sample collected May 3, 2016 09:55, sampling point DS000 Coliform (TCR)
Collected
May 3, 2016 07:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
853637
Laboratory
MSDH Lab
Monitoring period
May 1, 2016 – May 31, 2016
Absence , sample collected May 3, 2016 07:50, sampling point DS000 Coliform (TCR)