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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 4,546–4,560 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 4,546 to 4,560 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Nov 2, 2011 09:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
479121
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2011 – Nov 30, 2011
Absence , sample collected Nov 2, 2011 09:50, sampling point DS000 Coliform (TCR)
Collected
Nov 2, 2011 13:05
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
479126
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2011 – Nov 30, 2011
Absence , sample collected Nov 2, 2011 13:05, sampling point DS000 Coliform (TCR)
Collected
Nov 2, 2011 10:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
479127
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2011 – Nov 30, 2011
Absence , sample collected Nov 2, 2011 10:50, sampling point DS000 Coliform (TCR)
Collected
Nov 2, 2011 09:04
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
479128
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2011 – Nov 30, 2011
Absence , sample collected Nov 2, 2011 09:04, sampling point DS000 Coliform (TCR)
Collected
Nov 2, 2011 11:35
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
479129
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2011 – Nov 30, 2011
Absence , sample collected Nov 2, 2011 11:35, sampling point DS000 Coliform (TCR)
Collected
Nov 2, 2011 11:53
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
479141
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2011 – Nov 30, 2011
Absence , sample collected Nov 2, 2011 11:53, sampling point DS000 Coliform (TCR)
Collected
Nov 1, 2011 10:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
477988
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2011 – Nov 30, 2011
Absence , sample collected Nov 1, 2011 10:45, sampling point DS000 Coliform (TCR)
Collected
Nov 1, 2011 08:43
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
477989
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2011 – Nov 30, 2011
Absence , sample collected Nov 1, 2011 08:43, sampling point DS000 Coliform (TCR)
Collected
Nov 1, 2011 11:58
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
477991
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2011 – Nov 30, 2011
Absence , sample collected Nov 1, 2011 11:58, sampling point DS000 Coliform (TCR)
Collected
Nov 1, 2011 08:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
477992
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2011 – Nov 30, 2011
Absence , sample collected Nov 1, 2011 08:30, sampling point DS000 Coliform (TCR)
Collected
Nov 1, 2011 09:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
477993
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2011 – Nov 30, 2011
Absence , sample collected Nov 1, 2011 09:00, sampling point DS000 Coliform (TCR)
Collected
Nov 1, 2011 12:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
478029
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2011 – Nov 30, 2011
Absence , sample collected Nov 1, 2011 12:15, sampling point DS000 Coliform (TCR)
Collected
Nov 1, 2011 11:05
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
478030
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2011 – Nov 30, 2011
Absence , sample collected Nov 1, 2011 11:05, sampling point DS000 Coliform (TCR)
Collected
Nov 1, 2011 10:13
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
478031
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2011 – Nov 30, 2011
Absence , sample collected Nov 1, 2011 10:13, sampling point DS000 Coliform (TCR)
Collected
Nov 1, 2011 09:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
478032
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2011 – Nov 30, 2011
Absence , sample collected Nov 1, 2011 09:50, sampling point DS000 Coliform (TCR)