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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 4,621–4,635 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 4,621 to 4,635 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Sep 7, 2011 09:32
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
465257
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2011 – Sep 30, 2011
Absence , sample collected Sep 7, 2011 09:32, sampling point DS000 Coliform (TCR)
Collected
Sep 7, 2011 09:18
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
465258
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2011 – Sep 30, 2011
Absence , sample collected Sep 7, 2011 09:18, sampling point DS000 Coliform (TCR)
Collected
Sep 7, 2011 08:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
465259
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2011 – Sep 30, 2011
Absence , sample collected Sep 7, 2011 08:45, sampling point DS000 Coliform (TCR)
Collected
Sep 7, 2011 12:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
465268
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2011 – Sep 30, 2011
Absence , sample collected Sep 7, 2011 12:20, sampling point DS000 Coliform (TCR)
Collected
Sep 7, 2011 12:03
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
465269
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2011 – Sep 30, 2011
Absence , sample collected Sep 7, 2011 12:03, sampling point DS000 Coliform (TCR)
Collected
Sep 7, 2011 12:35
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
465330
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2011 – Sep 30, 2011
Absence , sample collected Sep 7, 2011 12:35, sampling point DS000 Coliform (TCR)
Collected
Sep 3, 2011 13:09
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
467082
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2011 – Sep 30, 2011
Absence , sample collected Sep 3, 2011 13:09, sampling point DS000 Coliform (TCR)
Collected
Aug 3, 2011 08:34
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
458189
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2011 – Aug 31, 2011
Absence , sample collected Aug 3, 2011 08:34, sampling point DS000 Coliform (TCR)
Collected
Aug 3, 2011 13:22
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
458207
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2011 – Aug 31, 2011
Absence , sample collected Aug 3, 2011 13:22, sampling point DS000 Coliform (TCR)
Collected
Aug 3, 2011 09:23
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
458208
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2011 – Aug 31, 2011
Absence , sample collected Aug 3, 2011 09:23, sampling point DS000 Coliform (TCR)
Collected
Aug 3, 2011 09:07
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
458278
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2011 – Aug 31, 2011
Absence , sample collected Aug 3, 2011 09:07, sampling point DS000 Coliform (TCR)
Collected
Aug 3, 2011 11:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
458279
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2011 – Aug 31, 2011
Absence , sample collected Aug 3, 2011 11:15, sampling point DS000 Coliform (TCR)
Collected
Aug 3, 2011 08:52
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
458282
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2011 – Aug 31, 2011
Absence , sample collected Aug 3, 2011 08:52, sampling point DS000 Coliform (TCR)
Collected
Aug 3, 2011 10:48
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
458285
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2011 – Aug 31, 2011
Absence , sample collected Aug 3, 2011 10:48, sampling point DS000 Coliform (TCR)
Collected
Aug 3, 2011 13:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
458301
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2011 – Aug 31, 2011
Absence , sample collected Aug 3, 2011 13:00, sampling point DS000 Coliform (TCR)