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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 4,141–4,155 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 4,141 to 4,155 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Jan 2, 2013 10:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
577905
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2013 – Jan 31, 2013
Absence , sample collected Jan 2, 2013 10:50, sampling point DS000 Coliform (TCR)
Collected
Jan 2, 2013 09:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
577948
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2013 – Jan 31, 2013
Absence , sample collected Jan 2, 2013 09:20, sampling point DS000 Coliform (TCR)
Collected
Jan 2, 2013 13:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
577950
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2013 – Jan 31, 2013
Absence , sample collected Jan 2, 2013 13:30, sampling point DS000 Coliform (TCR)
Collected
Jan 2, 2013 10:05
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
577954
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2013 – Jan 31, 2013
Absence , sample collected Jan 2, 2013 10:05, sampling point DS000 Coliform (TCR)
Collected
Jan 2, 2013 12:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
577955
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2013 – Jan 31, 2013
Absence , sample collected Jan 2, 2013 12:30, sampling point DS000 Coliform (TCR)
Collected
Jan 2, 2013 12:10
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
578403
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2013 – Jan 31, 2013
Absence , sample collected Jan 2, 2013 12:10, sampling point DS000 Coliform (TCR)
Collected
Jan 2, 2013 13:05
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
578408
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2013 – Jan 31, 2013
Absence , sample collected Jan 2, 2013 13:05, sampling point DS000 Coliform (TCR)
Collected
Dec 11, 2012 09:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
574947
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2012 – Dec 31, 2012
Absence , sample collected Dec 11, 2012 09:00, sampling point DS000 Coliform (TCR)
Collected
Dec 11, 2012 12:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
574957
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2012 – Dec 31, 2012
Absence , sample collected Dec 11, 2012 12:15, sampling point DS000 Coliform (TCR)
Collected
Dec 11, 2012 09:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
574958
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2012 – Dec 31, 2012
Absence , sample collected Dec 11, 2012 09:45, sampling point DS000 Coliform (TCR)
Collected
Dec 11, 2012 11:46
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
574960
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2012 – Dec 31, 2012
Absence , sample collected Dec 11, 2012 11:46, sampling point DS000 Coliform (TCR)
Collected
Dec 11, 2012 08:43
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
574961
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2012 – Dec 31, 2012
Absence , sample collected Dec 11, 2012 08:43, sampling point DS000 Coliform (TCR)
Collected
Dec 11, 2012 10:25
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
574966
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2012 – Dec 31, 2012
Absence , sample collected Dec 11, 2012 10:25, sampling point DS000 Coliform (TCR)
Collected
Dec 11, 2012 11:28
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
574973
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2012 – Dec 31, 2012
Absence , sample collected Dec 11, 2012 11:28, sampling point DS000 Coliform (TCR)
Collected
Dec 11, 2012 10:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
574974
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2012 – Dec 31, 2012
Absence , sample collected Dec 11, 2012 10:40, sampling point DS000 Coliform (TCR)