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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 2,566–2,580 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 2,566 to 2,580 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, 2018 09:21
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
993066
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2018 – Apr 30, 2018
Absence , sample collected Apr 3, 2018 09:21, sampling point DS000 Coliform (TCR)
Collected
Apr 3, 2018 10:38
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
993067
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2018 – Apr 30, 2018
Absence , sample collected Apr 3, 2018 10:38, sampling point DS000 Coliform (TCR)
Collected
Apr 3, 2018 07:43
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
993068
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2018 – Apr 30, 2018
Absence , sample collected Apr 3, 2018 07:43, sampling point DS000 Coliform (TCR)
Collected
Apr 3, 2018 12:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
993069
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2018 – Apr 30, 2018
Absence , sample collected Apr 3, 2018 12:30, sampling point DS000 Coliform (TCR)
Collected
Apr 3, 2018 11:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
993070
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2018 – Apr 30, 2018
Absence , sample collected Apr 3, 2018 11:20, sampling point DS000 Coliform (TCR)
Collected
Apr 3, 2018 12:04
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
993071
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2018 – Apr 30, 2018
Absence , sample collected Apr 3, 2018 12:04, sampling point DS000 Coliform (TCR)
Collected
Apr 3, 2018 08:28
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
993075
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2018 – Apr 30, 2018
Absence , sample collected Apr 3, 2018 08:28, sampling point DS000 Coliform (TCR)
Collected
Apr 3, 2018 08:08
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
993076
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2018 – Apr 30, 2018
Absence , sample collected Apr 3, 2018 08:08, sampling point DS000 Coliform (TCR)
Collected
Apr 3, 2018 10:17
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
993077
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2018 – Apr 30, 2018
Absence , sample collected Apr 3, 2018 10:17, sampling point DS000 Coliform (TCR)
Collected
Apr 3, 2018 09:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
993078
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2018 – Apr 30, 2018
Absence , sample collected Apr 3, 2018 09:40, sampling point DS000 Coliform (TCR)
Collected
Apr 3, 2018 10:58
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
993079
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2018 – Apr 30, 2018
Absence , sample collected Apr 3, 2018 10:58, sampling point DS000 Coliform (TCR)
Collected
Apr 3, 2018 07:25
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
993080
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2018 – Apr 30, 2018
Absence , sample collected Apr 3, 2018 07:25, sampling point DS000 Coliform (TCR)
Collected
Apr 3, 2018 11:43
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
993081
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2018 – Apr 30, 2018
Absence , sample collected Apr 3, 2018 11:43, sampling point DS000 Coliform (TCR)
Collected
Mar 7, 2018 09:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
988818
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2018 – Mar 31, 2018
Absence , sample collected Mar 7, 2018 09:00, sampling point DS000 Coliform (TCR)
Collected
Mar 7, 2018 09:54
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
988820
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2018 – Mar 31, 2018
Absence , sample collected Mar 7, 2018 09:54, sampling point DS000 Coliform (TCR)