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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 2,986–3,000 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 2,986 to 3,000 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Nov 1, 2016 11:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
890898
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2016 – Nov 30, 2016
Absence , sample collected Nov 1, 2016 11:15, sampling point DS000 Coliform (TCR)
Collected
Nov 1, 2016 08:44
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
890899
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2016 – Nov 30, 2016
Absence , sample collected Nov 1, 2016 08:44, sampling point DS000 Coliform (TCR)
Collected
Nov 1, 2016 11:55
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
890908
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2016 – Nov 30, 2016
Absence , sample collected Nov 1, 2016 11:55, sampling point DS000 Coliform (TCR)
Collected
Nov 1, 2016 12:39
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
890909
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2016 – Nov 30, 2016
Absence , sample collected Nov 1, 2016 12:39, sampling point DS000 Coliform (TCR)
Collected
Nov 1, 2016 12:55
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
890921
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2016 – Nov 30, 2016
Absence , sample collected Nov 1, 2016 12:55, sampling point DS000 Coliform (TCR)
Collected
Nov 1, 2016 10:35
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
890923
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2016 – Nov 30, 2016
Absence , sample collected Nov 1, 2016 10:35, sampling point DS000 Coliform (TCR)
Collected
Nov 1, 2016 13:35
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
890925
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2016 – Nov 30, 2016
Absence , sample collected Nov 1, 2016 13:35, sampling point DS000 Coliform (TCR)
Collected
Nov 1, 2016 09:56
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
890926
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2016 – Nov 30, 2016
Absence , sample collected Nov 1, 2016 09:56, sampling point DS000 Coliform (TCR)
Collected
Nov 1, 2016 14:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
890927
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2016 – Nov 30, 2016
Absence , sample collected Nov 1, 2016 14:00, sampling point DS000 Coliform (TCR)
Collected
Nov 1, 2016 09:35
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
890932
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2016 – Nov 30, 2016
Absence , sample collected Nov 1, 2016 09:35, sampling point DS000 Coliform (TCR)
Collected
Nov 1, 2016 12:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
890934
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2016 – Nov 30, 2016
Absence , sample collected Nov 1, 2016 12:15, sampling point DS000 Coliform (TCR)
Collected
Nov 1, 2016 08:10
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
890935
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2016 – Nov 30, 2016
Absence , sample collected Nov 1, 2016 08:10, sampling point DS000 Coliform (TCR)
Collected
Oct 5, 2016 10:27
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
886137
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2016 – Oct 31, 2016
Absence , sample collected Oct 5, 2016 10:27, sampling point DS000 Coliform (TCR)
Collected
Oct 5, 2016 10:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
886138
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2016 – Oct 31, 2016
Absence , sample collected Oct 5, 2016 10:50, sampling point DS000 Coliform (TCR)
Collected
Oct 5, 2016 10:05
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
886141
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2016 – Oct 31, 2016
Absence , sample collected Oct 5, 2016 10:05, sampling point DS000 Coliform (TCR)