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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 4,441–4,455 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 4,441 to 4,455 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Mar 6, 2012 09:14
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
506835
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2012 – Mar 31, 2012
Absence , sample collected Mar 6, 2012 09:14, sampling point DS000 Coliform (TCR)
Collected
Mar 6, 2012 09:43
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
506838
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2012 – Mar 31, 2012
Absence , sample collected Mar 6, 2012 09:43, sampling point DS000 Coliform (TCR)
Collected
Mar 6, 2012 08:55
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
506839
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2012 – Mar 31, 2012
Absence , sample collected Mar 6, 2012 08:55, sampling point DS000 Coliform (TCR)
Collected
Mar 6, 2012 10:04
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
506840
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2012 – Mar 31, 2012
Absence , sample collected Mar 6, 2012 10:04, sampling point DS000 Coliform (TCR)
Collected
Mar 6, 2012 11:34
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
506842
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2012 – Mar 31, 2012
Absence , sample collected Mar 6, 2012 11:34, sampling point DS000 Coliform (TCR)
Collected
Mar 6, 2012 10:55
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
506843
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2012 – Mar 31, 2012
Absence , sample collected Mar 6, 2012 10:55, sampling point DS000 Coliform (TCR)
Collected
Mar 6, 2012 11:09
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
506861
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2012 – Mar 31, 2012
Absence , sample collected Mar 6, 2012 11:09, sampling point DS000 Coliform (TCR)
Collected
Feb 9, 2012 10:35
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
501296
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2012 – Feb 29, 2012
Absence , sample collected Feb 9, 2012 10:35, sampling point DS000 Coliform (TCR)
Collected
Feb 9, 2012 09:32
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
501304
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2012 – Feb 29, 2012
Absence , sample collected Feb 9, 2012 09:32, sampling point DS000 Coliform (TCR)
Collected
Feb 9, 2012 09:16
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
501308
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2012 – Feb 29, 2012
Absence , sample collected Feb 9, 2012 09:16, sampling point DS000 Coliform (TCR)
Collected
Feb 9, 2012 10:04
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
501309
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2012 – Feb 29, 2012
Absence , sample collected Feb 9, 2012 10:04, sampling point DS000 Coliform (TCR)
Collected
Feb 9, 2012 10:51
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
501311
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2012 – Feb 29, 2012
Absence , sample collected Feb 9, 2012 10:51, sampling point DS000 Coliform (TCR)
Collected
Feb 9, 2012 10:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
501315
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2012 – Feb 29, 2012
Absence , sample collected Feb 9, 2012 10:20, sampling point DS000 Coliform (TCR)
Collected
Feb 9, 2012 09:46
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
501318
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2012 – Feb 29, 2012
Absence , sample collected Feb 9, 2012 09:46, sampling point DS000 Coliform (TCR)
Collected
Feb 9, 2012 08:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
501319
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2012 – Feb 29, 2012
Absence , sample collected Feb 9, 2012 08:40, sampling point DS000 Coliform (TCR)