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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 4,261–4,275 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 4,261 to 4,275 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Sep 5, 2012 08:41
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
550904
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2012 – Sep 30, 2012
Absence , sample collected Sep 5, 2012 08:41, sampling point DS000 Coliform (TCR)
Collected
Sep 5, 2012 08:58
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
550905
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2012 – Sep 30, 2012
Absence , sample collected Sep 5, 2012 08:58, sampling point DS000 Coliform (TCR)
Collected
Sep 5, 2012 12:22
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
551141
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2012 – Sep 30, 2012
Absence , sample collected Sep 5, 2012 12:22, sampling point DS000 Coliform (TCR)
Collected
Sep 5, 2012 12:53
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
551142
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2012 – Sep 30, 2012
Absence , sample collected Sep 5, 2012 12:53, sampling point DS000 Coliform (TCR)
Collected
Sep 5, 2012 14:09
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
551143
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2012 – Sep 30, 2012
Absence , sample collected Sep 5, 2012 14:09, sampling point DS000 Coliform (TCR)
Collected
Sep 5, 2012 13:21
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
551144
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2012 – Sep 30, 2012
Absence , sample collected Sep 5, 2012 13:21, sampling point DS000 Coliform (TCR)
Collected
Sep 5, 2012 13:42
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
551145
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2012 – Sep 30, 2012
Absence , sample collected Sep 5, 2012 13:42, sampling point DS000 Coliform (TCR)
Collected
Aug 7, 2012 11:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
545600
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2012 – Aug 31, 2012
Absence , sample collected Aug 7, 2012 11:20, sampling point DS000 Coliform (TCR)
Collected
Aug 7, 2012 11:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
545601
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2012 – Aug 31, 2012
Absence , sample collected Aug 7, 2012 11:00, sampling point DS000 Coliform (TCR)
Collected
Aug 7, 2012 09:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
545602
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2012 – Aug 31, 2012
Absence , sample collected Aug 7, 2012 09:50, sampling point DS000 Coliform (TCR)
Collected
Aug 7, 2012 10:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
545605
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2012 – Aug 31, 2012
Absence , sample collected Aug 7, 2012 10:20, sampling point DS000 Coliform (TCR)
Collected
Aug 7, 2012 10:06
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
545606
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2012 – Aug 31, 2012
Absence , sample collected Aug 7, 2012 10:06, sampling point DS000 Coliform (TCR)
Collected
Aug 7, 2012 12:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
545609
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2012 – Aug 31, 2012
Absence , sample collected Aug 7, 2012 12:00, sampling point DS000 Coliform (TCR)
Collected
Aug 7, 2012 08:32
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
545611
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2012 – Aug 31, 2012
Absence , sample collected Aug 7, 2012 08:32, sampling point DS000 Coliform (TCR)
Collected
Aug 7, 2012 09:18
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
545612
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2012 – Aug 31, 2012
Absence , sample collected Aug 7, 2012 09:18, sampling point DS000 Coliform (TCR)