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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 2,776–2,790 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 2,776 to 2,790 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Aug 1, 2017 08:25
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
944863
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2017 – Aug 31, 2017
Absence , sample collected Aug 1, 2017 08:25, sampling point DS000 Coliform (TCR)
Collected
Aug 1, 2017 10:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
944866
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2017 – Aug 31, 2017
Absence , sample collected Aug 1, 2017 10:20, sampling point DS000 Coliform (TCR)
Collected
Aug 1, 2017 08:05
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
944867
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2017 – Aug 31, 2017
Absence , sample collected Aug 1, 2017 08:05, sampling point DS000 Coliform (TCR)
Collected
Jul 11, 2017 08:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
940112
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2017 – Jul 31, 2017
Absence , sample collected Jul 11, 2017 08:30, sampling point DS000 Coliform (TCR)
Collected
Jul 11, 2017 10:18
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
940114
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2017 – Jul 31, 2017
Absence , sample collected Jul 11, 2017 10:18, sampling point DS000 Coliform (TCR)
Collected
Jul 11, 2017 08:09
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
940115
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2017 – Jul 31, 2017
Absence , sample collected Jul 11, 2017 08:09, sampling point DS000 Coliform (TCR)
Collected
Jul 11, 2017 09:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
940116
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2017 – Jul 31, 2017
Absence , sample collected Jul 11, 2017 09:00, sampling point DS000 Coliform (TCR)
Collected
Jul 11, 2017 07:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
940118
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2017 – Jul 31, 2017
Absence , sample collected Jul 11, 2017 07:45, sampling point DS000 Coliform (TCR)
Collected
Jul 11, 2017 09:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
940119
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2017 – Jul 31, 2017
Absence , sample collected Jul 11, 2017 09:50, sampling point DS000 Coliform (TCR)
Collected
Jul 11, 2017 10:35
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
940127
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2017 – Jul 31, 2017
Absence , sample collected Jul 11, 2017 10:35, sampling point DS000 Coliform (TCR)
Collected
Jul 11, 2017 11:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
940128
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2017 – Jul 31, 2017
Absence , sample collected Jul 11, 2017 11:50, sampling point DS000 Coliform (TCR)
Collected
Jul 11, 2017 09:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
940130
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2017 – Jul 31, 2017
Absence , sample collected Jul 11, 2017 09:20, sampling point DS000 Coliform (TCR)
Collected
Jul 11, 2017 10:57
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
940196
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2017 – Jul 31, 2017
Absence , sample collected Jul 11, 2017 10:57, sampling point DS000 Coliform (TCR)
Collected
Jul 5, 2017 08:52
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
938600
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2017 – Jul 31, 2017
Absence , sample collected Jul 5, 2017 08:52, sampling point DS000 Coliform (TCR)
Collected
Jul 5, 2017 08:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
938638
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2017 – Jul 31, 2017
Absence , sample collected Jul 5, 2017 08:30, sampling point DS000 Coliform (TCR)