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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 3,856–3,870 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 3,856 to 3,870 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Dec 4, 2013 12:02
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
657464
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2013 – Dec 31, 2013
Absence , sample collected Dec 4, 2013 12:02, sampling point DS000 Coliform (TCR)
Collected
Dec 4, 2013 10:17
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
657465
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2013 – Dec 31, 2013
Absence , sample collected Dec 4, 2013 10:17, sampling point DS000 Coliform (TCR)
Collected
Dec 4, 2013 13:43
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
657466
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2013 – Dec 31, 2013
Absence , sample collected Dec 4, 2013 13:43, sampling point DS000 Coliform (TCR)
Collected
Dec 3, 2013 10:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
656900
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2013 – Dec 31, 2013
Absence , sample collected Dec 3, 2013 10:45, sampling point DS000 Coliform (TCR)
Collected
Dec 3, 2013 09:10
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
656903
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2013 – Dec 31, 2013
Absence , sample collected Dec 3, 2013 09:10, sampling point DS000 Coliform (TCR)
Collected
Dec 3, 2013 12:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
656904
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2013 – Dec 31, 2013
Absence , sample collected Dec 3, 2013 12:15, sampling point DS000 Coliform (TCR)
Collected
Dec 3, 2013 08:01
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
656905
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2013 – Dec 31, 2013
Absence , sample collected Dec 3, 2013 08:01, sampling point DS000 Coliform (TCR)
Collected
Dec 3, 2013 12:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
656907
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2013 – Dec 31, 2013
Absence , sample collected Dec 3, 2013 12:45, sampling point DS000 Coliform (TCR)
Collected
Dec 3, 2013 10:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
657012
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2013 – Dec 31, 2013
Absence , sample collected Dec 3, 2013 10:20, sampling point DS000 Coliform (TCR)
Collected
Dec 3, 2013 08:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
657016
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2013 – Dec 31, 2013
Absence , sample collected Dec 3, 2013 08:50, sampling point DS000 Coliform (TCR)
Collected
Dec 3, 2013 11:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
657017
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2013 – Dec 31, 2013
Absence , sample collected Dec 3, 2013 11:45, sampling point DS000 Coliform (TCR)
Collected
Dec 3, 2013 10:35
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
657019
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2013 – Dec 31, 2013
Absence , sample collected Dec 3, 2013 10:35, sampling point DS000 Coliform (TCR)
Collected
Dec 3, 2013 08:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
657020
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2013 – Dec 31, 2013
Absence , sample collected Dec 3, 2013 08:30, sampling point DS000 Coliform (TCR)
Collected
Dec 3, 2013 08:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
657021
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2013 – Dec 31, 2013
Absence , sample collected Dec 3, 2013 08:20, sampling point DS000 Coliform (TCR)
Collected
Dec 3, 2013 09:35
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
657022
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2013 – Dec 31, 2013
Absence , sample collected Dec 3, 2013 09:35, sampling point DS000 Coliform (TCR)