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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 4,156–4,170 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 4,156 to 4,170 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Dec 11, 2012 09:19
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
574975
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2012 – Dec 31, 2012
Absence , sample collected Dec 11, 2012 09:19, sampling point DS000 Coliform (TCR)
Collected
Dec 11, 2012 11:11
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
574976
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2012 – Dec 31, 2012
Absence , sample collected Dec 11, 2012 11:11, sampling point DS000 Coliform (TCR)
Collected
Dec 11, 2012 12:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
575063
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2012 – Dec 31, 2012
Absence , sample collected Dec 11, 2012 12:30, sampling point DS000 Coliform (TCR)
Collected
Dec 6, 2012 12:09
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
573372
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2012 – Dec 31, 2012
Absence , sample collected Dec 6, 2012 12:09, sampling point DS000 Coliform (TCR)
Collected
Dec 6, 2012 10:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
573375
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2012 – Dec 31, 2012
Absence , sample collected Dec 6, 2012 10:30, sampling point DS000 Coliform (TCR)
Collected
Dec 6, 2012 09:54
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
573378
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2012 – Dec 31, 2012
Absence , sample collected Dec 6, 2012 09:54, sampling point DS000 Coliform (TCR)
Collected
Dec 6, 2012 11:07
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
573382
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2012 – Dec 31, 2012
Absence , sample collected Dec 6, 2012 11:07, sampling point DS000 Coliform (TCR)
Collected
Dec 6, 2012 07:38
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
573383
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2012 – Dec 31, 2012
Absence , sample collected Dec 6, 2012 07:38, sampling point DS000 Coliform (TCR)
Collected
Dec 6, 2012 08:10
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
573384
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2012 – Dec 31, 2012
Absence , sample collected Dec 6, 2012 08:10, sampling point DS000 Coliform (TCR)
Collected
Dec 6, 2012 10:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
573385
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2012 – Dec 31, 2012
Absence , sample collected Dec 6, 2012 10:50, sampling point DS000 Coliform (TCR)
Collected
Dec 6, 2012 09:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
573386
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2012 – Dec 31, 2012
Absence , sample collected Dec 6, 2012 09:30, sampling point DS000 Coliform (TCR)
Collected
Dec 6, 2012 08:35
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
573387
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2012 – Dec 31, 2012
Absence , sample collected Dec 6, 2012 08:35, sampling point DS000 Coliform (TCR)
Collected
Dec 6, 2012 12:25
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
573388
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2012 – Dec 31, 2012
Absence , sample collected Dec 6, 2012 12:25, sampling point DS000 Coliform (TCR)
Collected
Dec 6, 2012 11:35
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
573389
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2012 – Dec 31, 2012
Absence , sample collected Dec 6, 2012 11:35, sampling point DS000 Coliform (TCR)
Collected
Dec 6, 2012 11:24
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
573391
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2012 – Dec 31, 2012
Absence , sample collected Dec 6, 2012 11:24, sampling point DS000 Coliform (TCR)