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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 4,426–4,440 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 4,426 to 4,440 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Mar 13, 2012 13:08
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
508507
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2012 – Mar 31, 2012
Absence , sample collected Mar 13, 2012 13:08, sampling point DS000 Coliform (TCR)
Collected
Mar 13, 2012 14:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
508508
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2012 – Mar 31, 2012
Absence , sample collected Mar 13, 2012 14:15, sampling point DS000 Coliform (TCR)
Collected
Mar 13, 2012 11:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
508509
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2012 – Mar 31, 2012
Absence , sample collected Mar 13, 2012 11:50, sampling point DS000 Coliform (TCR)
Collected
Mar 13, 2012 12:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
508510
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2012 – Mar 31, 2012
Absence , sample collected Mar 13, 2012 12:40, sampling point DS000 Coliform (TCR)
Collected
Mar 13, 2012 13:25
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
508511
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2012 – Mar 31, 2012
Absence , sample collected Mar 13, 2012 13:25, sampling point DS000 Coliform (TCR)
Collected
Mar 13, 2012 14:01
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
508512
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2012 – Mar 31, 2012
Absence , sample collected Mar 13, 2012 14:01, sampling point DS000 Coliform (TCR)
Collected
Mar 13, 2012 12:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
508513
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2012 – Mar 31, 2012
Absence , sample collected Mar 13, 2012 12:20, sampling point DS000 Coliform (TCR)
Collected
Mar 13, 2012 12:55
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
508514
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2012 – Mar 31, 2012
Absence , sample collected Mar 13, 2012 12:55, sampling point DS000 Coliform (TCR)
Collected
Mar 13, 2012 13:35
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
508515
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2012 – Mar 31, 2012
Absence , sample collected Mar 13, 2012 13:35, sampling point DS000 Coliform (TCR)
Collected
Mar 13, 2012 13:47
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
508516
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2012 – Mar 31, 2012
Absence , sample collected Mar 13, 2012 13:47, sampling point DS000 Coliform (TCR)
Collected
Mar 13, 2012 11:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
508524
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2012 – Mar 31, 2012
Absence , sample collected Mar 13, 2012 11:40, sampling point DS000 Coliform (TCR)
Collected
Mar 13, 2012 12:31
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
508525
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2012 – Mar 31, 2012
Absence , sample collected Mar 13, 2012 12:31, sampling point DS000 Coliform (TCR)
Collected
Mar 13, 2012 11:24
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
508536
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2012 – Mar 31, 2012
Absence , sample collected Mar 13, 2012 11:24, sampling point DS000 Coliform (TCR)
Collected
Mar 6, 2012 10:26
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
506827
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2012 – Mar 31, 2012
Absence , sample collected Mar 6, 2012 10:26, sampling point DS000 Coliform (TCR)
Collected
Mar 6, 2012 10:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
506832
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2012 – Mar 31, 2012
Absence , sample collected Mar 6, 2012 10:40, sampling point DS000 Coliform (TCR)