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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 4,231–4,245 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 4,231 to 4,245 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Oct 2, 2012 10:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
557749
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2012 – Oct 31, 2012
Absence , sample collected Oct 2, 2012 10:45, sampling point DS000 Coliform (TCR)
Collected
Oct 2, 2012 13:48
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
557750
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2012 – Oct 31, 2012
Absence , sample collected Oct 2, 2012 13:48, sampling point DS000 Coliform (TCR)
Collected
Oct 2, 2012 14:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
557765
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2012 – Oct 31, 2012
Absence , sample collected Oct 2, 2012 14:15, sampling point DS000 Coliform (TCR)
Collected
Oct 2, 2012 09:05
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
557794
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2012 – Oct 31, 2012
Absence , sample collected Oct 2, 2012 09:05, sampling point DS000 Coliform (TCR)
Collected
Oct 2, 2012 11:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
557808
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2012 – Oct 31, 2012
Absence , sample collected Oct 2, 2012 11:40, sampling point DS000 Coliform (TCR)
Collected
Oct 2, 2012 12:13
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
557810
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2012 – Oct 31, 2012
Absence , sample collected Oct 2, 2012 12:13, sampling point DS000 Coliform (TCR)
Collected
Oct 2, 2012 11:54
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
557826
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2012 – Oct 31, 2012
Absence , sample collected Oct 2, 2012 11:54, sampling point DS000 Coliform (TCR)
Collected
Sep 11, 2012 11:51
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
553641
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2012 – Sep 30, 2012
Absence , sample collected Sep 11, 2012 11:51, sampling point DS000 Coliform (TCR)
Collected
Sep 11, 2012 12:10
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
553651
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2012 – Sep 30, 2012
Absence , sample collected Sep 11, 2012 12:10, sampling point DS000 Coliform (TCR)
Collected
Sep 11, 2012 10:55
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
553657
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2012 – Sep 30, 2012
Absence , sample collected Sep 11, 2012 10:55, sampling point DS000 Coliform (TCR)
Collected
Sep 11, 2012 09:13
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
553658
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2012 – Sep 30, 2012
Absence , sample collected Sep 11, 2012 09:13, sampling point DS000 Coliform (TCR)
Collected
Sep 11, 2012 09:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
553659
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2012 – Sep 30, 2012
Absence , sample collected Sep 11, 2012 09:30, sampling point DS000 Coliform (TCR)
Collected
Sep 11, 2012 08:57
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
553661
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2012 – Sep 30, 2012
Absence , sample collected Sep 11, 2012 08:57, sampling point DS000 Coliform (TCR)
Collected
Sep 11, 2012 08:36
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
553662
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2012 – Sep 30, 2012
Absence , sample collected Sep 11, 2012 08:36, sampling point DS000 Coliform (TCR)
Collected
Sep 11, 2012 12:25
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
553664
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2012 – Sep 30, 2012
Absence , sample collected Sep 11, 2012 12:25, sampling point DS000 Coliform (TCR)