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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 2,851–2,865 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 2,851 to 2,865 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
May 2, 2017 09:17
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
927680
Laboratory
MSDH Lab
Monitoring period
May 1, 2017 – May 31, 2017
Absence , sample collected May 2, 2017 09:17, sampling point DS000 Coliform (TCR)
Collected
May 2, 2017 09:55
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
927683
Laboratory
MSDH Lab
Monitoring period
May 1, 2017 – May 31, 2017
Absence , sample collected May 2, 2017 09:55, sampling point DS000 Coliform (TCR)
Collected
May 2, 2017 10:37
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
927686
Laboratory
MSDH Lab
Monitoring period
May 1, 2017 – May 31, 2017
Absence , sample collected May 2, 2017 10:37, sampling point DS000 Coliform (TCR)
Collected
May 2, 2017 11:37
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
927687
Laboratory
MSDH Lab
Monitoring period
May 1, 2017 – May 31, 2017
Absence , sample collected May 2, 2017 11:37, sampling point DS000 Coliform (TCR)
Collected
May 2, 2017 12:37
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
927693
Laboratory
MSDH Lab
Monitoring period
May 1, 2017 – May 31, 2017
Absence , sample collected May 2, 2017 12:37, sampling point DS000 Coliform (TCR)
Collected
May 2, 2017 12:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
927695
Laboratory
MSDH Lab
Monitoring period
May 1, 2017 – May 31, 2017
Absence , sample collected May 2, 2017 12:15, sampling point DS000 Coliform (TCR)
Collected
Apr 5, 2017 10:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
922447
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2017 – Apr 30, 2017
Absence , sample collected Apr 5, 2017 10:40, sampling point DS000 Coliform (TCR)
Collected
Apr 5, 2017 11:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
922454
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2017 – Apr 30, 2017
Absence , sample collected Apr 5, 2017 11:40, sampling point DS000 Coliform (TCR)
Collected
Apr 5, 2017 11:18
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
922463
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2017 – Apr 30, 2017
Absence , sample collected Apr 5, 2017 11:18, sampling point DS000 Coliform (TCR)
Collected
Apr 5, 2017 09:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
922465
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2017 – Apr 30, 2017
Absence , sample collected Apr 5, 2017 09:20, sampling point DS000 Coliform (TCR)
Collected
Apr 5, 2017 12:10
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
922467
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2017 – Apr 30, 2017
Absence , sample collected Apr 5, 2017 12:10, sampling point DS000 Coliform (TCR)
Collected
Apr 5, 2017 10:11
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
922473
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2017 – Apr 30, 2017
Absence , sample collected Apr 5, 2017 10:11, sampling point DS000 Coliform (TCR)
Collected
Apr 5, 2017 09:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
922474
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2017 – Apr 30, 2017
Absence , sample collected Apr 5, 2017 09:45, sampling point DS000 Coliform (TCR)
Collected
Apr 4, 2017 11:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
922027
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2017 – Apr 30, 2017
Absence , sample collected Apr 4, 2017 11:20, sampling point DS000 Coliform (TCR)
Collected
Apr 4, 2017 12:58
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
922028
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2017 – Apr 30, 2017
Absence , sample collected Apr 4, 2017 12:58, sampling point DS000 Coliform (TCR)