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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 4,516–4,530 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 4,516 to 4,530 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Dec 13, 2011 09:39
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
488833
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2011 – Dec 31, 2011
Absence , sample collected Dec 13, 2011 09:39, sampling point DS000 Coliform (TCR)
Collected
Dec 13, 2011 10:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
488834
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2011 – Dec 31, 2011
Absence , sample collected Dec 13, 2011 10:20, sampling point DS000 Coliform (TCR)
Collected
Dec 13, 2011 08:21
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
488837
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2011 – Dec 31, 2011
Absence , sample collected Dec 13, 2011 08:21, sampling point DS000 Coliform (TCR)
Collected
Dec 13, 2011 10:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
488838
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2011 – Dec 31, 2011
Absence , sample collected Dec 13, 2011 10:40, sampling point DS000 Coliform (TCR)
Collected
Dec 13, 2011 11:07
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
488843
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2011 – Dec 31, 2011
Absence , sample collected Dec 13, 2011 11:07, sampling point DS000 Coliform (TCR)
Collected
Dec 13, 2011 08:52
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
488845
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2011 – Dec 31, 2011
Absence , sample collected Dec 13, 2011 08:52, sampling point DS000 Coliform (TCR)
Collected
Dec 13, 2011 11:27
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
488922
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2011 – Dec 31, 2011
Absence , sample collected Dec 13, 2011 11:27, sampling point DS000 Coliform (TCR)
Collected
Dec 8, 2011 10:52
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
487090
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2011 – Dec 31, 2011
Absence , sample collected Dec 8, 2011 10:52, sampling point DS000 Coliform (TCR)
Collected
Dec 8, 2011 10:14
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
487091
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2011 – Dec 31, 2011
Absence , sample collected Dec 8, 2011 10:14, sampling point DS000 Coliform (TCR)
Collected
Dec 8, 2011 11:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
487092
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2011 – Dec 31, 2011
Absence , sample collected Dec 8, 2011 11:15, sampling point DS000 Coliform (TCR)
Collected
Dec 8, 2011 08:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
487095
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2011 – Dec 31, 2011
Absence , sample collected Dec 8, 2011 08:20, sampling point DS000 Coliform (TCR)
Collected
Dec 8, 2011 07:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
487098
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2011 – Dec 31, 2011
Absence , sample collected Dec 8, 2011 07:45, sampling point DS000 Coliform (TCR)
Collected
Dec 8, 2011 09:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
487165
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2011 – Dec 31, 2011
Absence , sample collected Dec 8, 2011 09:45, sampling point DS000 Coliform (TCR)
Collected
Dec 8, 2011 09:06
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
487183
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2011 – Dec 31, 2011
Absence , sample collected Dec 8, 2011 09:06, sampling point DS000 Coliform (TCR)
Collected
Dec 8, 2011 10:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
487184
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2011 – Dec 31, 2011
Absence , sample collected Dec 8, 2011 10:00, sampling point DS000 Coliform (TCR)