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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 5,491–5,505 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 5,491 to 5,505 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Apr 7, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
263470
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2009 – Apr 30, 2009
Absence , sample collected Apr 7, 2009, sampling point DS000 Coliform (TCR)
Collected
Apr 7, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
263471
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2009 – Apr 30, 2009
Absence , sample collected Apr 7, 2009, sampling point DS000 Coliform (TCR)
Collected
Apr 7, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
263475
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2009 – Apr 30, 2009
Absence , sample collected Apr 7, 2009, sampling point DS000 Coliform (TCR)
Collected
Apr 7, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
263476
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2009 – Apr 30, 2009
Absence , sample collected Apr 7, 2009, sampling point DS000 Coliform (TCR)
Collected
Apr 7, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
263477
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2009 – Apr 30, 2009
Absence , sample collected Apr 7, 2009, sampling point DS000 Coliform (TCR)
Collected
Apr 7, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
263478
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2009 – Apr 30, 2009
Absence , sample collected Apr 7, 2009, sampling point DS000 Coliform (TCR)
Collected
Apr 7, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
263479
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2009 – Apr 30, 2009
Absence , sample collected Apr 7, 2009, sampling point DS000 Coliform (TCR)
Collected
Mar 10, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
257996
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2009 – Mar 31, 2009
Absence , sample collected Mar 10, 2009, sampling point DS000 Coliform (TCR)
Collected
Mar 10, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
258002
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2009 – Mar 31, 2009
Absence , sample collected Mar 10, 2009, sampling point DS000 Coliform (TCR)
Collected
Mar 10, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
258004
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2009 – Mar 31, 2009
Absence , sample collected Mar 10, 2009, sampling point DS000 Coliform (TCR)
Collected
Mar 10, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
258006
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2009 – Mar 31, 2009
Absence , sample collected Mar 10, 2009, sampling point DS000 Coliform (TCR)
Collected
Mar 10, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
258019
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2009 – Mar 31, 2009
Absence , sample collected Mar 10, 2009, sampling point DS000 Coliform (TCR)
Collected
Mar 10, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
258037
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2009 – Mar 31, 2009
Absence , sample collected Mar 10, 2009, sampling point DS000 Coliform (TCR)
Collected
Mar 9, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
257298
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2009 – Mar 31, 2009
Absence , sample collected Mar 9, 2009, sampling point DS000 Coliform (TCR)
Collected
Mar 9, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
257299
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2009 – Mar 31, 2009
Absence , sample collected Mar 9, 2009, sampling point DS000 Coliform (TCR)