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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 4,666–4,680 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 4,666 to 4,680 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 07:24
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
450816
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2011 – Jul 31, 2011
Absence , sample collected Jul 6, 2011 07:24, sampling point DS000 Coliform (TCR)
Collected
Jul 6, 2011 09:06
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
450817
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2011 – Jul 31, 2011
Absence , sample collected Jul 6, 2011 09:06, sampling point DS000 Coliform (TCR)
Collected
Jul 6, 2011 09:38
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
450818
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2011 – Jul 31, 2011
Absence , sample collected Jul 6, 2011 09:38, sampling point DS000 Coliform (TCR)
Collected
Jul 6, 2011 10:23
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
450819
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2011 – Jul 31, 2011
Absence , sample collected Jul 6, 2011 10:23, sampling point DS000 Coliform (TCR)
Collected
Jul 6, 2011 10:35
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
450821
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2011 – Jul 31, 2011
Absence , sample collected Jul 6, 2011 10:35, sampling point DS000 Coliform (TCR)
Collected
Jul 6, 2011 12:12
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
450939
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2011 – Jul 31, 2011
Absence , sample collected Jul 6, 2011 12:12, sampling point DS000 Coliform (TCR)
Collected
Jul 6, 2011 10:05
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
450951
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2011 – Jul 31, 2011
Absence , sample collected Jul 6, 2011 10:05, sampling point DS000 Coliform (TCR)
Collected
Jul 6, 2011 11:16
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
450969
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2011 – Jul 31, 2011
Absence , sample collected Jul 6, 2011 11:16, sampling point DS000 Coliform (TCR)
Collected
Jul 6, 2011 09:51
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
450972
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2011 – Jul 31, 2011
Absence , sample collected Jul 6, 2011 09:51, sampling point DS000 Coliform (TCR)
Collected
Jul 6, 2011 11:36
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
450987
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2011 – Jul 31, 2011
Absence , sample collected Jul 6, 2011 11:36, sampling point DS000 Coliform (TCR)
Collected
Jul 6, 2011 08:55
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
451025
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2011 – Jul 31, 2011
Absence , sample collected Jul 6, 2011 08:55, sampling point DS000 Coliform (TCR)
Collected
Jul 6, 2011 09:16
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
451026
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2011 – Jul 31, 2011
Absence , sample collected Jul 6, 2011 09:16, sampling point DS000 Coliform (TCR)
Collected
Jul 6, 2011 07:53
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
451027
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2011 – Jul 31, 2011
Absence , sample collected Jul 6, 2011 07:53, sampling point DS000 Coliform (TCR)
Collected
Jul 6, 2011 08:03
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
451030
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2011 – Jul 31, 2011
Absence , sample collected Jul 6, 2011 08:03, sampling point DS000 Coliform (TCR)
Collected
Jul 6, 2011 07:36
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
451035
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2011 – Jul 31, 2011
Absence , sample collected Jul 6, 2011 07:36, sampling point DS000 Coliform (TCR)