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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 4,201–4,215 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 4,201 to 4,215 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Nov 6, 2012 12:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
566089
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2012 – Nov 30, 2012
Absence , sample collected Nov 6, 2012 12:20, sampling point DS000 Coliform (TCR)
Collected
Nov 6, 2012 10:33
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
566090
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2012 – Nov 30, 2012
Absence , sample collected Nov 6, 2012 10:33, sampling point DS000 Coliform (TCR)
Collected
Nov 6, 2012 09:05
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
566096
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2012 – Nov 30, 2012
Absence , sample collected Nov 6, 2012 09:05, sampling point DS000 Coliform (TCR)
Collected
Nov 6, 2012 11:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
566098
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2012 – Nov 30, 2012
Absence , sample collected Nov 6, 2012 11:40, sampling point DS000 Coliform (TCR)
Collected
Nov 6, 2012 11:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
566099
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2012 – Nov 30, 2012
Absence , sample collected Nov 6, 2012 11:20, sampling point DS000 Coliform (TCR)
Collected
Nov 6, 2012 08:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
566101
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2012 – Nov 30, 2012
Absence , sample collected Nov 6, 2012 08:45, sampling point DS000 Coliform (TCR)
Collected
Nov 6, 2012 10:10
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
566133
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2012 – Nov 30, 2012
Absence , sample collected Nov 6, 2012 10:10, sampling point DS000 Coliform (TCR)
Collected
Oct 3, 2012 09:35
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
558250
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2012 – Oct 31, 2012
Absence , sample collected Oct 3, 2012 09:35, sampling point DS000 Coliform (TCR)
Collected
Oct 3, 2012 08:54
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
558298
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2012 – Oct 31, 2012
Absence , sample collected Oct 3, 2012 08:54, sampling point DS000 Coliform (TCR)
Collected
Oct 3, 2012 11:54
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
558300
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2012 – Oct 31, 2012
Absence , sample collected Oct 3, 2012 11:54, sampling point DS000 Coliform (TCR)
Collected
Oct 3, 2012 12:12
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
558307
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2012 – Oct 31, 2012
Absence , sample collected Oct 3, 2012 12:12, sampling point DS000 Coliform (TCR)
Collected
Oct 3, 2012 12:35
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
558308
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2012 – Oct 31, 2012
Absence , sample collected Oct 3, 2012 12:35, sampling point DS000 Coliform (TCR)
Collected
Oct 3, 2012 13:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
558325
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2012 – Oct 31, 2012
Absence , sample collected Oct 3, 2012 13:45, sampling point DS000 Coliform (TCR)
Collected
Oct 3, 2012 12:55
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
558326
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2012 – Oct 31, 2012
Absence , sample collected Oct 3, 2012 12:55, sampling point DS000 Coliform (TCR)
Collected
Oct 3, 2012 13:05
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
558349
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2012 – Oct 31, 2012
Absence , sample collected Oct 3, 2012 13:05, sampling point DS000 Coliform (TCR)