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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 2,536–2,550 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 2,536 to 2,550 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, 2018 07:59
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
998515
Laboratory
MSDH Lab
Monitoring period
May 1, 2018 – May 31, 2018
Absence , sample collected May 2, 2018 07:59, sampling point DS000 Coliform (TCR)
Collected
May 1, 2018 08:38
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
997356
Laboratory
MSDH Lab
Monitoring period
May 1, 2018 – May 31, 2018
Absence , sample collected May 1, 2018 08:38, sampling point DS000 Coliform (TCR)
Collected
May 1, 2018 09:53
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
997357
Laboratory
MSDH Lab
Monitoring period
May 1, 2018 – May 31, 2018
Absence , sample collected May 1, 2018 09:53, sampling point DS000 Coliform (TCR)
Collected
May 1, 2018 08:58
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
997358
Laboratory
MSDH Lab
Monitoring period
May 1, 2018 – May 31, 2018
Absence , sample collected May 1, 2018 08:58, sampling point DS000 Coliform (TCR)
Collected
May 1, 2018 10:25
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
997359
Laboratory
MSDH Lab
Monitoring period
May 1, 2018 – May 31, 2018
Absence , sample collected May 1, 2018 10:25, sampling point DS000 Coliform (TCR)
Collected
May 1, 2018 11:13
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
997360
Laboratory
MSDH Lab
Monitoring period
May 1, 2018 – May 31, 2018
Absence , sample collected May 1, 2018 11:13, sampling point DS000 Coliform (TCR)
Collected
May 1, 2018 11:34
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
997361
Laboratory
MSDH Lab
Monitoring period
May 1, 2018 – May 31, 2018
Absence , sample collected May 1, 2018 11:34, sampling point DS000 Coliform (TCR)
Collected
May 1, 2018 11:58
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
997362
Laboratory
MSDH Lab
Monitoring period
May 1, 2018 – May 31, 2018
Absence , sample collected May 1, 2018 11:58, sampling point DS000 Coliform (TCR)
Collected
May 1, 2018 10:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
997363
Laboratory
MSDH Lab
Monitoring period
May 1, 2018 – May 31, 2018
Absence , sample collected May 1, 2018 10:50, sampling point DS000 Coliform (TCR)
Collected
May 1, 2018 09:27
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
997364
Laboratory
MSDH Lab
Monitoring period
May 1, 2018 – May 31, 2018
Absence , sample collected May 1, 2018 09:27, sampling point DS000 Coliform (TCR)
Collected
May 1, 2018 07:35
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
997365
Laboratory
MSDH Lab
Monitoring period
May 1, 2018 – May 31, 2018
Absence , sample collected May 1, 2018 07:35, sampling point DS000 Coliform (TCR)
Collected
May 1, 2018 07:54
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
997374
Laboratory
MSDH Lab
Monitoring period
May 1, 2018 – May 31, 2018
Absence , sample collected May 1, 2018 07:54, sampling point DS000 Coliform (TCR)
Collected
May 1, 2018 08:18
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
997375
Laboratory
MSDH Lab
Monitoring period
May 1, 2018 – May 31, 2018
Absence , sample collected May 1, 2018 08:18, sampling point DS000 Coliform (TCR)
Collected
May 1, 2018 12:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
997386
Laboratory
MSDH Lab
Monitoring period
May 1, 2018 – May 31, 2018
Absence , sample collected May 1, 2018 12:50, sampling point DS000 Coliform (TCR)
Collected
May 1, 2018 12:17
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
997402
Laboratory
MSDH Lab
Monitoring period
May 1, 2018 – May 31, 2018
Absence , sample collected May 1, 2018 12:17, sampling point DS000 Coliform (TCR)