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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 3,916–3,930 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 3,916 to 3,930 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Oct 1, 2013 00:10
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
642661
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2013 – Oct 31, 2013
Absence , sample collected Oct 1, 2013 00:10, sampling point DS000 Coliform (TCR)
Collected
Oct 1, 2013 08:58
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
642667
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2013 – Oct 31, 2013
Absence , sample collected Oct 1, 2013 08:58, sampling point DS000 Coliform (TCR)
Collected
Oct 1, 2013 08:41
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
642681
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2013 – Oct 31, 2013
Absence , sample collected Oct 1, 2013 08:41, sampling point DS000 Coliform (TCR)
Collected
Oct 1, 2013 12:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
642682
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2013 – Oct 31, 2013
Absence , sample collected Oct 1, 2013 12:40, sampling point DS000 Coliform (TCR)
Collected
Oct 1, 2013 08:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
642686
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2013 – Oct 31, 2013
Absence , sample collected Oct 1, 2013 08:30, sampling point DS000 Coliform (TCR)
Collected
Oct 1, 2013 09:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
642687
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2013 – Oct 31, 2013
Absence , sample collected Oct 1, 2013 09:50, sampling point DS000 Coliform (TCR)
Collected
Oct 1, 2013 08:05
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
642703
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2013 – Oct 31, 2013
Absence , sample collected Oct 1, 2013 08:05, sampling point DS000 Coliform (TCR)
Collected
Sep 4, 2013 11:05
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
634976
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2013 – Sep 30, 2013
Absence , sample collected Sep 4, 2013 11:05, sampling point DS000 Coliform (TCR)
Collected
Sep 4, 2013 11:19
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
635014
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2013 – Sep 30, 2013
Absence , sample collected Sep 4, 2013 11:19, sampling point DS000 Coliform (TCR)
Collected
Sep 4, 2013 13:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
635015
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2013 – Sep 30, 2013
Absence , sample collected Sep 4, 2013 13:20, sampling point DS000 Coliform (TCR)
Collected
Sep 4, 2013 08:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
635016
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2013 – Sep 30, 2013
Absence , sample collected Sep 4, 2013 08:30, sampling point DS000 Coliform (TCR)
Collected
Sep 4, 2013 09:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
635017
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2013 – Sep 30, 2013
Absence , sample collected Sep 4, 2013 09:15, sampling point DS000 Coliform (TCR)
Collected
Sep 4, 2013 12:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
635018
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2013 – Sep 30, 2013
Absence , sample collected Sep 4, 2013 12:30, sampling point DS000 Coliform (TCR)
Collected
Sep 4, 2013 12:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
635019
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2013 – Sep 30, 2013
Absence , sample collected Sep 4, 2013 12:50, sampling point DS000 Coliform (TCR)
Collected
Sep 4, 2013 10:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
635020
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2013 – Sep 30, 2013
Absence , sample collected Sep 4, 2013 10:20, sampling point DS000 Coliform (TCR)