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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 2,761–2,775 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 2,761 to 2,775 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Aug 2, 2017 09:05
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
945511
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2017 – Aug 31, 2017
Absence , sample collected Aug 2, 2017 09:05, sampling point DS000 Coliform (TCR)
Collected
Aug 1, 2017 12:57
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
944762
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2017 – Aug 31, 2017
Absence , sample collected Aug 1, 2017 12:57, sampling point DS000 Coliform (TCR)
Collected
Aug 1, 2017 14:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
944764
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2017 – Aug 31, 2017
Absence , sample collected Aug 1, 2017 14:00, sampling point DS000 Coliform (TCR)
Collected
Aug 1, 2017 09:05
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
944769
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2017 – Aug 31, 2017
Absence , sample collected Aug 1, 2017 09:05, sampling point DS000 Coliform (TCR)
Collected
Aug 1, 2017 09:27
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
944770
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2017 – Aug 31, 2017
Absence , sample collected Aug 1, 2017 09:27, sampling point DS000 Coliform (TCR)
Collected
Aug 1, 2017 09:55
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
944773
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2017 – Aug 31, 2017
Absence , sample collected Aug 1, 2017 09:55, sampling point DS000 Coliform (TCR)
Collected
Aug 1, 2017 12:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
944774
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2017 – Aug 31, 2017
Absence , sample collected Aug 1, 2017 12:30, sampling point DS000 Coliform (TCR)
Collected
Aug 1, 2017 12:05
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
944776
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2017 – Aug 31, 2017
Absence , sample collected Aug 1, 2017 12:05, sampling point DS000 Coliform (TCR)
Collected
Aug 1, 2017 07:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
944780
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2017 – Aug 31, 2017
Absence , sample collected Aug 1, 2017 07:40, sampling point DS000 Coliform (TCR)
Collected
Aug 1, 2017 11:27
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
944781
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2017 – Aug 31, 2017
Absence , sample collected Aug 1, 2017 11:27, sampling point DS000 Coliform (TCR)
Collected
Aug 1, 2017 10:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
944782
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2017 – Aug 31, 2017
Absence , sample collected Aug 1, 2017 10:45, sampling point DS000 Coliform (TCR)
Collected
Aug 1, 2017 11:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
944783
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2017 – Aug 31, 2017
Absence , sample collected Aug 1, 2017 11:45, sampling point DS000 Coliform (TCR)
Collected
Aug 1, 2017 11:05
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
944859
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2017 – Aug 31, 2017
Absence , sample collected Aug 1, 2017 11:05, sampling point DS000 Coliform (TCR)
Collected
Aug 1, 2017 13:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
944860
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2017 – Aug 31, 2017
Absence , sample collected Aug 1, 2017 13:15, sampling point DS000 Coliform (TCR)
Collected
Aug 1, 2017 08:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
944861
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2017 – Aug 31, 2017
Absence , sample collected Aug 1, 2017 08:45, sampling point DS000 Coliform (TCR)