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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 7,486–7,494 of 7,494 samples on record, newest first.

Routine (9).

Coliform and microbial sample results for Columbus Light & Water, 7,486 to 7,494 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Oct 7, 2003
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
20031230094751-00839
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2003 – Oct 31, 2003
Absence , sample collected Oct 7, 2003, sampling point DS000 Coliform (TCR)
Collected
Oct 7, 2003
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
20031230094751-01027
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2003 – Oct 31, 2003
Absence , sample collected Oct 7, 2003, sampling point DS000 Coliform (TCR)
Collected
Oct 7, 2003
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
20031230094751-01028
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2003 – Oct 31, 2003
Absence , sample collected Oct 7, 2003, sampling point DS000 Coliform (TCR)
Collected
Oct 7, 2003
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
20031230094751-01029
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2003 – Oct 31, 2003
Absence , sample collected Oct 7, 2003, sampling point DS000 Coliform (TCR)
Collected
Oct 7, 2003
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
20031230094751-01030
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2003 – Oct 31, 2003
Absence , sample collected Oct 7, 2003, sampling point DS000 Coliform (TCR)
Collected
Oct 7, 2003
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
20031230094751-01031
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2003 – Oct 31, 2003
Absence , sample collected Oct 7, 2003, sampling point DS000 Coliform (TCR)
Collected
Oct 7, 2003
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
20031230094751-01032
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2003 – Oct 31, 2003
Absence , sample collected Oct 7, 2003, sampling point DS000 Coliform (TCR)
Collected
Oct 7, 2003
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
20031230094751-01033
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2003 – Oct 31, 2003
Absence , sample collected Oct 7, 2003, sampling point DS000 Coliform (TCR)
Collected
Oct 7, 2003
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
20031230094751-01124
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2003 – Oct 31, 2003
Absence , sample collected Oct 7, 2003, sampling point DS000 Coliform (TCR)