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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 3,286–3,300 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 3,286 to 3,300 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Nov 3, 2015 07:39
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
815495
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2015 – Nov 30, 2015
Absence , sample collected Nov 3, 2015 07:39, sampling point DS000 Coliform (TCR)
Collected
Nov 3, 2015 10:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
815496
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2015 – Nov 30, 2015
Absence , sample collected Nov 3, 2015 10:40, sampling point DS000 Coliform (TCR)
Collected
Nov 3, 2015 08:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
815497
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2015 – Nov 30, 2015
Absence , sample collected Nov 3, 2015 08:40, sampling point DS000 Coliform (TCR)
Collected
Nov 3, 2015 08:26
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
815506
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2015 – Nov 30, 2015
Absence , sample collected Nov 3, 2015 08:26, sampling point DS000 Coliform (TCR)
Collected
Nov 3, 2015 08:06
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
815507
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2015 – Nov 30, 2015
Absence , sample collected Nov 3, 2015 08:06, sampling point DS000 Coliform (TCR)
Collected
Nov 3, 2015 09:06
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
815508
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2015 – Nov 30, 2015
Absence , sample collected Nov 3, 2015 09:06, sampling point DS000 Coliform (TCR)
Collected
Nov 3, 2015 10:19
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
815509
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2015 – Nov 30, 2015
Absence , sample collected Nov 3, 2015 10:19, sampling point DS000 Coliform (TCR)
Collected
Nov 3, 2015 12:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
815510
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2015 – Nov 30, 2015
Absence , sample collected Nov 3, 2015 12:15, sampling point DS000 Coliform (TCR)
Collected
Nov 3, 2015 09:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
815511
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2015 – Nov 30, 2015
Absence , sample collected Nov 3, 2015 09:40, sampling point DS000 Coliform (TCR)
Collected
Nov 3, 2015 09:24
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
815512
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2015 – Nov 30, 2015
Absence , sample collected Nov 3, 2015 09:24, sampling point DS000 Coliform (TCR)
Collected
Nov 3, 2015 12:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
815565
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2015 – Nov 30, 2015
Absence , sample collected Nov 3, 2015 12:40, sampling point DS000 Coliform (TCR)
Collected
Nov 3, 2015 13:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
815691
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2015 – Nov 30, 2015
Absence , sample collected Nov 3, 2015 13:20, sampling point DS000 Coliform (TCR)
Collected
Oct 7, 2015 09:35
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
809767
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2015 – Oct 31, 2015
Absence , sample collected Oct 7, 2015 09:35, sampling point DS000 Coliform (TCR)
Collected
Oct 7, 2015 13:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
809768
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2015 – Oct 31, 2015
Absence , sample collected Oct 7, 2015 13:30, sampling point DS000 Coliform (TCR)
Collected
Oct 7, 2015 11:22
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
809772
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2015 – Oct 31, 2015
Absence , sample collected Oct 7, 2015 11:22, sampling point DS000 Coliform (TCR)