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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 3,316–3,330 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 3,316 to 3,330 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Oct 6, 2015 08:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
809299
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2015 – Oct 31, 2015
Absence , sample collected Oct 6, 2015 08:15, sampling point DS000 Coliform (TCR)
Collected
Oct 6, 2015 11:38
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
809300
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2015 – Oct 31, 2015
Absence , sample collected Oct 6, 2015 11:38, sampling point DS000 Coliform (TCR)
Collected
Oct 6, 2015 10:55
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
809301
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2015 – Oct 31, 2015
Absence , sample collected Oct 6, 2015 10:55, sampling point DS000 Coliform (TCR)
Collected
Oct 6, 2015 07:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
809302
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2015 – Oct 31, 2015
Absence , sample collected Oct 6, 2015 07:50, sampling point DS000 Coliform (TCR)
Collected
Oct 6, 2015 08:35
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
809304
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2015 – Oct 31, 2015
Absence , sample collected Oct 6, 2015 08:35, sampling point DS000 Coliform (TCR)
Collected
Oct 6, 2015 09:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
809305
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2015 – Oct 31, 2015
Absence , sample collected Oct 6, 2015 09:15, sampling point DS000 Coliform (TCR)
Collected
Oct 6, 2015 11:54
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
809318
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2015 – Oct 31, 2015
Absence , sample collected Oct 6, 2015 11:54, sampling point DS000 Coliform (TCR)
Collected
Sep 9, 2015 09:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
802098
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2015 – Sep 30, 2015
Absence , sample collected Sep 9, 2015 09:40, sampling point DS000 Coliform (TCR)
Collected
Sep 9, 2015 12:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
802099
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2015 – Sep 30, 2015
Absence , sample collected Sep 9, 2015 12:40, sampling point DS000 Coliform (TCR)
Collected
Sep 9, 2015 08:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
802145
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2015 – Sep 30, 2015
Absence , sample collected Sep 9, 2015 08:20, sampling point DS000 Coliform (TCR)
Collected
Sep 9, 2015 11:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
802146
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2015 – Sep 30, 2015
Absence , sample collected Sep 9, 2015 11:40, sampling point DS000 Coliform (TCR)
Collected
Sep 9, 2015 10:07
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
802156
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2015 – Sep 30, 2015
Absence , sample collected Sep 9, 2015 10:07, sampling point DS000 Coliform (TCR)
Collected
Sep 9, 2015 08:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
802165
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2015 – Sep 30, 2015
Absence , sample collected Sep 9, 2015 08:40, sampling point DS000 Coliform (TCR)
Collected
Sep 9, 2015 08:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
802168
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2015 – Sep 30, 2015
Absence , sample collected Sep 9, 2015 08:00, sampling point DS000 Coliform (TCR)
Collected
Sep 9, 2015 11:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
802169
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2015 – Sep 30, 2015
Absence , sample collected Sep 9, 2015 11:15, sampling point DS000 Coliform (TCR)