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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 4,636–4,650 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 4,636 to 4,650 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Aug 3, 2011 12:22
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
458416
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2011 – Aug 31, 2011
Absence , sample collected Aug 3, 2011 12:22, sampling point DS000 Coliform (TCR)
Collected
Aug 3, 2011 10:24
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
458420
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2011 – Aug 31, 2011
Absence , sample collected Aug 3, 2011 10:24, sampling point DS000 Coliform (TCR)
Collected
Aug 3, 2011 12:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
458421
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2011 – Aug 31, 2011
Absence , sample collected Aug 3, 2011 12:40, sampling point DS000 Coliform (TCR)
Collected
Aug 3, 2011 13:09
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
458516
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2011 – Aug 31, 2011
Absence , sample collected Aug 3, 2011 13:09, sampling point DS000 Coliform (TCR)
Collected
Aug 2, 2011 12:23
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
457890
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2011 – Aug 31, 2011
Absence , sample collected Aug 2, 2011 12:23, sampling point DS000 Coliform (TCR)
Collected
Aug 2, 2011 12:36
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
457892
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2011 – Aug 31, 2011
Absence , sample collected Aug 2, 2011 12:36, sampling point DS000 Coliform (TCR)
Collected
Aug 2, 2011 08:48
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
457901
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2011 – Aug 31, 2011
Absence , sample collected Aug 2, 2011 08:48, sampling point DS000 Coliform (TCR)
Collected
Aug 2, 2011 10:08
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
457904
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2011 – Aug 31, 2011
Absence , sample collected Aug 2, 2011 10:08, sampling point DS000 Coliform (TCR)
Collected
Aug 2, 2011 13:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
458016
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2011 – Aug 31, 2011
Absence , sample collected Aug 2, 2011 13:15, sampling point DS000 Coliform (TCR)
Collected
Aug 2, 2011 13:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
458017
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2011 – Aug 31, 2011
Absence , sample collected Aug 2, 2011 13:00, sampling point DS000 Coliform (TCR)
Collected
Aug 2, 2011 12:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
458018
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2011 – Aug 31, 2011
Absence , sample collected Aug 2, 2011 12:00, sampling point DS000 Coliform (TCR)
Collected
Aug 2, 2011 08:37
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
458039
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2011 – Aug 31, 2011
Absence , sample collected Aug 2, 2011 08:37, sampling point DS000 Coliform (TCR)
Collected
Aug 2, 2011 11:43
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
458041
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2011 – Aug 31, 2011
Absence , sample collected Aug 2, 2011 11:43, sampling point DS000 Coliform (TCR)
Collected
Aug 2, 2011 11:25
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
458043
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2011 – Aug 31, 2011
Absence , sample collected Aug 2, 2011 11:25, sampling point DS000 Coliform (TCR)
Collected
Aug 2, 2011 10:21
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
458044
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2011 – Aug 31, 2011
Absence , sample collected Aug 2, 2011 10:21, sampling point DS000 Coliform (TCR)