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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 4,891–4,905 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 4,891 to 4,905 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Dec 1, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
401110
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2010 – Dec 31, 2010
Absence , sample collected Dec 1, 2010, sampling point DS000 Coliform (TCR)
Collected
Dec 1, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
401855
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2010 – Dec 31, 2010
Absence , sample collected Dec 1, 2010, sampling point DS000 Coliform (TCR)
Collected
Dec 1, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
401856
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2010 – Dec 31, 2010
Absence , sample collected Dec 1, 2010, sampling point DS000 Coliform (TCR)
Collected
Dec 1, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
401990
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2010 – Dec 31, 2010
Absence , sample collected Dec 1, 2010, sampling point DS000 Coliform (TCR)
Collected
Dec 1, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
401996
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2010 – Dec 31, 2010
Absence , sample collected Dec 1, 2010, sampling point DS000 Coliform (TCR)
Collected
Dec 1, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
402009
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2010 – Dec 31, 2010
Absence , sample collected Dec 1, 2010, sampling point DS000 Coliform (TCR)
Collected
Dec 1, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
402071
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2010 – Dec 31, 2010
Absence , sample collected Dec 1, 2010, sampling point DS000 Coliform (TCR)
Collected
Nov 10, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
398152
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2010 – Nov 30, 2010
Absence , sample collected Nov 10, 2010, sampling point DS000 Coliform (TCR)
Collected
Nov 10, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
398156
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2010 – Nov 30, 2010
Absence , sample collected Nov 10, 2010, sampling point DS000 Coliform (TCR)
Collected
Nov 10, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
398157
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2010 – Nov 30, 2010
Absence , sample collected Nov 10, 2010, sampling point DS000 Coliform (TCR)
Collected
Nov 9, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
397851
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2010 – Nov 30, 2010
Absence , sample collected Nov 9, 2010, sampling point DS000 Coliform (TCR)
Collected
Nov 9, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
397855
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2010 – Nov 30, 2010
Absence , sample collected Nov 9, 2010, sampling point DS000 Coliform (TCR)
Collected
Nov 9, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
397856
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2010 – Nov 30, 2010
Absence , sample collected Nov 9, 2010, sampling point DS000 Coliform (TCR)
Collected
Nov 9, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
397859
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2010 – Nov 30, 2010
Absence , sample collected Nov 9, 2010, sampling point DS000 Coliform (TCR)
Collected
Nov 9, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
398014
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2010 – Nov 30, 2010
Absence , sample collected Nov 9, 2010, sampling point DS000 Coliform (TCR)