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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 3,361–3,375 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 3,361 to 3,375 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Aug 4, 2015 08:19
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
792999
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2015 – Aug 31, 2015
Absence , sample collected Aug 4, 2015 08:19, sampling point DS000 Coliform (TCR)
Collected
Aug 4, 2015 10:25
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
793001
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2015 – Aug 31, 2015
Absence , sample collected Aug 4, 2015 10:25, sampling point DS000 Coliform (TCR)
Collected
Aug 4, 2015 09:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
793002
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2015 – Aug 31, 2015
Absence , sample collected Aug 4, 2015 09:40, sampling point DS000 Coliform (TCR)
Collected
Aug 4, 2015 10:05
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
793003
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2015 – Aug 31, 2015
Absence , sample collected Aug 4, 2015 10:05, sampling point DS000 Coliform (TCR)
Collected
Aug 4, 2015 10:47
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
793004
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2015 – Aug 31, 2015
Absence , sample collected Aug 4, 2015 10:47, sampling point DS000 Coliform (TCR)
Collected
Aug 4, 2015 11:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
793005
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2015 – Aug 31, 2015
Absence , sample collected Aug 4, 2015 11:40, sampling point DS000 Coliform (TCR)
Collected
Aug 4, 2015 09:19
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
793006
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2015 – Aug 31, 2015
Absence , sample collected Aug 4, 2015 09:19, sampling point DS000 Coliform (TCR)
Collected
Aug 4, 2015 12:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
793007
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2015 – Aug 31, 2015
Absence , sample collected Aug 4, 2015 12:15, sampling point DS000 Coliform (TCR)
Collected
Aug 4, 2015 07:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
793011
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2015 – Aug 31, 2015
Absence , sample collected Aug 4, 2015 07:50, sampling point DS000 Coliform (TCR)
Collected
Aug 4, 2015 07:23
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
793017
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2015 – Aug 31, 2015
Absence , sample collected Aug 4, 2015 07:23, sampling point DS000 Coliform (TCR)
Collected
Aug 4, 2015 12:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
793277
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2015 – Aug 31, 2015
Absence , sample collected Aug 4, 2015 12:45, sampling point DS000 Coliform (TCR)
Collected
Aug 4, 2015 13:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
793280
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2015 – Aug 31, 2015
Absence , sample collected Aug 4, 2015 13:30, sampling point DS000 Coliform (TCR)
Collected
Jul 8, 2015 10:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
787051
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2015 – Jul 31, 2015
Absence , sample collected Jul 8, 2015 10:45, sampling point DS000 Coliform (TCR)
Collected
Jul 8, 2015 07:47
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
787052
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2015 – Jul 31, 2015
Absence , sample collected Jul 8, 2015 07:47, sampling point DS000 Coliform (TCR)
Collected
Jul 8, 2015 08:17
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
787053
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2015 – Jul 31, 2015
Absence , sample collected Jul 8, 2015 08:17, sampling point DS000 Coliform (TCR)