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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 4,411–4,425 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 4,411 to 4,425 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Apr 3, 2012 09:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
512280
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2012 – Apr 30, 2012
Absence , sample collected Apr 3, 2012 09:15, sampling point DS000 Coliform (TCR)
Collected
Apr 3, 2012 09:41
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
512283
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2012 – Apr 30, 2012
Absence , sample collected Apr 3, 2012 09:41, sampling point DS000 Coliform (TCR)
Collected
Apr 3, 2012 10:33
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
512285
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2012 – Apr 30, 2012
Absence , sample collected Apr 3, 2012 10:33, sampling point DS000 Coliform (TCR)
Collected
Apr 3, 2012 10:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
512287
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2012 – Apr 30, 2012
Absence , sample collected Apr 3, 2012 10:15, sampling point DS000 Coliform (TCR)
Collected
Apr 3, 2012 08:25
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
512288
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2012 – Apr 30, 2012
Absence , sample collected Apr 3, 2012 08:25, sampling point DS000 Coliform (TCR)
Collected
Apr 3, 2012 10:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
512289
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2012 – Apr 30, 2012
Absence , sample collected Apr 3, 2012 10:00, sampling point DS000 Coliform (TCR)
Collected
Apr 3, 2012 09:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
512290
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2012 – Apr 30, 2012
Absence , sample collected Apr 3, 2012 09:30, sampling point DS000 Coliform (TCR)
Collected
Mar 13, 2012 10:51
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
508440
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2012 – Mar 31, 2012
Absence , sample collected Mar 13, 2012 10:51, sampling point DS000 Coliform (TCR)
Collected
Mar 13, 2012 11:08
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
508441
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2012 – Mar 31, 2012
Absence , sample collected Mar 13, 2012 11:08, sampling point DS000 Coliform (TCR)
Collected
Mar 13, 2012 10:35
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
508442
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2012 – Mar 31, 2012
Absence , sample collected Mar 13, 2012 10:35, sampling point DS000 Coliform (TCR)
Collected
Mar 13, 2012 10:17
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
508443
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2012 – Mar 31, 2012
Absence , sample collected Mar 13, 2012 10:17, sampling point DS000 Coliform (TCR)
Collected
Mar 13, 2012 09:43
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
508444
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2012 – Mar 31, 2012
Absence , sample collected Mar 13, 2012 09:43, sampling point DS000 Coliform (TCR)
Collected
Mar 13, 2012 09:31
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
508445
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2012 – Mar 31, 2012
Absence , sample collected Mar 13, 2012 09:31, sampling point DS000 Coliform (TCR)
Collected
Mar 13, 2012 09:56
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
508446
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2012 – Mar 31, 2012
Absence , sample collected Mar 13, 2012 09:56, sampling point DS000 Coliform (TCR)
Collected
Mar 13, 2012 08:32
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
508448
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2012 – Mar 31, 2012
Absence , sample collected Mar 13, 2012 08:32, sampling point DS000 Coliform (TCR)