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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 4,681–4,695 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 4,681 to 4,695 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Jul 6, 2011 08:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
451037
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2011 – Jul 31, 2011
Absence , sample collected Jul 6, 2011 08:40, sampling point DS000 Coliform (TCR)
Collected
Jul 6, 2011 11:53
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
451052
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2011 – Jul 31, 2011
Absence , sample collected Jul 6, 2011 11:53, sampling point DS000 Coliform (TCR)
Collected
Jul 5, 2011 08:53
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
449949
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2011 – Jul 31, 2011
Absence , sample collected Jul 5, 2011 08:53, sampling point DS000 Coliform (TCR)
Collected
Jul 5, 2011 09:11
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
449968
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2011 – Jul 31, 2011
Absence , sample collected Jul 5, 2011 09:11, sampling point DS000 Coliform (TCR)
Collected
Jul 5, 2011 08:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
450048
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2011 – Jul 31, 2011
Absence , sample collected Jul 5, 2011 08:40, sampling point DS000 Coliform (TCR)
Collected
Jul 5, 2011 08:10
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
450057
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2011 – Jul 31, 2011
Absence , sample collected Jul 5, 2011 08:10, sampling point DS000 Coliform (TCR)
Collected
Jul 5, 2011 08:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
450077
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2011 – Jul 31, 2011
Absence , sample collected Jul 5, 2011 08:20, sampling point DS000 Coliform (TCR)
Collected
Jun 8, 2011 09:47
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
445081
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2011 – Jun 30, 2011
Absence , sample collected Jun 8, 2011 09:47, sampling point DS000 Coliform (TCR)
Collected
Jun 8, 2011 08:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
445082
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2011 – Jun 30, 2011
Absence , sample collected Jun 8, 2011 08:20, sampling point DS000 Coliform (TCR)
Collected
Jun 8, 2011 08:38
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
445083
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2011 – Jun 30, 2011
Absence , sample collected Jun 8, 2011 08:38, sampling point DS000 Coliform (TCR)
Collected
Jun 8, 2011 09:04
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
445084
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2011 – Jun 30, 2011
Absence , sample collected Jun 8, 2011 09:04, sampling point DS000 Coliform (TCR)
Collected
Jun 8, 2011 10:44
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
445091
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2011 – Jun 30, 2011
Absence , sample collected Jun 8, 2011 10:44, sampling point DS000 Coliform (TCR)
Collected
Jun 8, 2011 10:03
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
445092
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2011 – Jun 30, 2011
Absence , sample collected Jun 8, 2011 10:03, sampling point DS000 Coliform (TCR)
Collected
Jun 8, 2011 12:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
445093
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2011 – Jun 30, 2011
Absence , sample collected Jun 8, 2011 12:20, sampling point DS000 Coliform (TCR)
Collected
Jun 8, 2011 12:01
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
445094
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2011 – Jun 30, 2011
Absence , sample collected Jun 8, 2011 12:01, sampling point DS000 Coliform (TCR)