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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 2,401–2,415 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 2,401 to 2,415 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Nov 6, 2018 08:27
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1036814
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2018 – Nov 30, 2018
Absence , sample collected Nov 6, 2018 08:27, sampling point DS000 Coliform (TCR)
Collected
Nov 6, 2018 09:49
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1036833
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2018 – Nov 30, 2018
Absence , sample collected Nov 6, 2018 09:49, sampling point DS000 Coliform (TCR)
Collected
Nov 6, 2018 10:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1036835
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2018 – Nov 30, 2018
Absence , sample collected Nov 6, 2018 10:45, sampling point DS000 Coliform (TCR)
Collected
Oct 3, 2018 09:06
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1029565
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2018 – Oct 31, 2018
Absence , sample collected Oct 3, 2018 09:06, sampling point DS000 Coliform (TCR)
Collected
Oct 3, 2018 08:43
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1029566
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2018 – Oct 31, 2018
Absence , sample collected Oct 3, 2018 08:43, sampling point DS000 Coliform (TCR)
Collected
Oct 3, 2018 08:21
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1029567
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2018 – Oct 31, 2018
Absence , sample collected Oct 3, 2018 08:21, sampling point DS000 Coliform (TCR)
Collected
Oct 3, 2018 10:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1029568
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2018 – Oct 31, 2018
Absence , sample collected Oct 3, 2018 10:00, sampling point DS000 Coliform (TCR)
Collected
Oct 3, 2018 09:37
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1029569
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2018 – Oct 31, 2018
Absence , sample collected Oct 3, 2018 09:37, sampling point DS000 Coliform (TCR)
Collected
Oct 3, 2018 11:07
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1029570
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2018 – Oct 31, 2018
Absence , sample collected Oct 3, 2018 11:07, sampling point DS000 Coliform (TCR)
Collected
Oct 3, 2018 10:27
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1029571
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2018 – Oct 31, 2018
Absence , sample collected Oct 3, 2018 10:27, sampling point DS000 Coliform (TCR)
Collected
Oct 3, 2018 07:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1029584
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2018 – Oct 31, 2018
Absence , sample collected Oct 3, 2018 07:50, sampling point DS000 Coliform (TCR)
Collected
Oct 2, 2018 12:29
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1028477
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2018 – Oct 31, 2018
Absence , sample collected Oct 2, 2018 12:29, sampling point DS000 Coliform (TCR)
Collected
Oct 2, 2018 08:41
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1028487
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2018 – Oct 31, 2018
Absence , sample collected Oct 2, 2018 08:41, sampling point DS000 Coliform (TCR)
Collected
Oct 2, 2018 09:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1028488
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2018 – Oct 31, 2018
Absence , sample collected Oct 2, 2018 09:00, sampling point DS000 Coliform (TCR)
Collected
Oct 2, 2018 09:21
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1028489
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2018 – Oct 31, 2018
Absence , sample collected Oct 2, 2018 09:21, sampling point DS000 Coliform (TCR)