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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 4,561–4,575 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 4,561 to 4,575 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Nov 1, 2011 11:18
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
478033
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2011 – Nov 30, 2011
Absence , sample collected Nov 1, 2011 11:18, sampling point DS000 Coliform (TCR)
Collected
Nov 1, 2011 09:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
478034
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2011 – Nov 30, 2011
Absence , sample collected Nov 1, 2011 09:30, sampling point DS000 Coliform (TCR)
Collected
Nov 1, 2011 13:49
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
478142
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2011 – Nov 30, 2011
Absence , sample collected Nov 1, 2011 13:49, sampling point DS000 Coliform (TCR)
Collected
Nov 1, 2011 13:29
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
478155
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2011 – Nov 30, 2011
Absence , sample collected Nov 1, 2011 13:29, sampling point DS000 Coliform (TCR)
Collected
Nov 1, 2011 11:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
478540
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2011 – Nov 30, 2011
Absence , sample collected Nov 1, 2011 11:30, sampling point DS000 Coliform (TCR)
Collected
Nov 1, 2011 13:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
478541
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2011 – Nov 30, 2011
Absence , sample collected Nov 1, 2011 13:15, sampling point DS000 Coliform (TCR)
Collected
Nov 1, 2011 12:39
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
478550
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2011 – Nov 30, 2011
Absence , sample collected Nov 1, 2011 12:39, sampling point DS000 Coliform (TCR)
Collected
Oct 5, 2011 10:55
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
472326
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2011 – Oct 31, 2011
Absence , sample collected Oct 5, 2011 10:55, sampling point DS000 Coliform (TCR)
Collected
Oct 5, 2011 11:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
472327
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2011 – Oct 31, 2011
Absence , sample collected Oct 5, 2011 11:30, sampling point DS000 Coliform (TCR)
Collected
Oct 5, 2011 11:42
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
472328
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2011 – Oct 31, 2011
Absence , sample collected Oct 5, 2011 11:42, sampling point DS000 Coliform (TCR)
Collected
Oct 5, 2011 12:55
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
472336
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2011 – Oct 31, 2011
Absence , sample collected Oct 5, 2011 12:55, sampling point DS000 Coliform (TCR)
Collected
Oct 5, 2011 12:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
472337
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2011 – Oct 31, 2011
Absence , sample collected Oct 5, 2011 12:40, sampling point DS000 Coliform (TCR)
Collected
Oct 5, 2011 11:54
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
472338
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2011 – Oct 31, 2011
Absence , sample collected Oct 5, 2011 11:54, sampling point DS000 Coliform (TCR)
Collected
Oct 5, 2011 09:21
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
472339
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2011 – Oct 31, 2011
Absence , sample collected Oct 5, 2011 09:21, sampling point DS000 Coliform (TCR)
Collected
Oct 5, 2011 09:37
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
472340
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2011 – Oct 31, 2011
Absence , sample collected Oct 5, 2011 09:37, sampling point DS000 Coliform (TCR)