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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 3,301–3,315 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 3,301 to 3,315 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Oct 7, 2015 12:31
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
809773
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2015 – Oct 31, 2015
Absence , sample collected Oct 7, 2015 12:31, sampling point DS000 Coliform (TCR)
Collected
Oct 7, 2015 10:35
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
809774
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2015 – Oct 31, 2015
Absence , sample collected Oct 7, 2015 10:35, sampling point DS000 Coliform (TCR)
Collected
Oct 7, 2015 10:17
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
809781
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2015 – Oct 31, 2015
Absence , sample collected Oct 7, 2015 10:17, sampling point DS000 Coliform (TCR)
Collected
Oct 7, 2015 07:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
809787
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2015 – Oct 31, 2015
Absence , sample collected Oct 7, 2015 07:45, sampling point DS000 Coliform (TCR)
Collected
Oct 7, 2015 09:51
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
809791
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2015 – Oct 31, 2015
Absence , sample collected Oct 7, 2015 09:51, sampling point DS000 Coliform (TCR)
Collected
Oct 7, 2015 10:58
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
809792
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2015 – Oct 31, 2015
Absence , sample collected Oct 7, 2015 10:58, sampling point DS000 Coliform (TCR)
Collected
Oct 7, 2015 12:05
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
809793
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2015 – Oct 31, 2015
Absence , sample collected Oct 7, 2015 12:05, sampling point DS000 Coliform (TCR)
Collected
Oct 7, 2015 11:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
809825
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2015 – Oct 31, 2015
Absence , sample collected Oct 7, 2015 11:45, sampling point DS000 Coliform (TCR)
Collected
Oct 6, 2015 10:13
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
809117
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2015 – Oct 31, 2015
Absence , sample collected Oct 6, 2015 10:13, sampling point DS000 Coliform (TCR)
Collected
Oct 6, 2015 13:55
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
809192
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2015 – Oct 31, 2015
Absence , sample collected Oct 6, 2015 13:55, sampling point DS000 Coliform (TCR)
Collected
Oct 6, 2015 13:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
809195
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2015 – Oct 31, 2015
Absence , sample collected Oct 6, 2015 13:20, sampling point DS000 Coliform (TCR)
Collected
Oct 6, 2015 08:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
809216
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2015 – Oct 31, 2015
Absence , sample collected Oct 6, 2015 08:50, sampling point DS000 Coliform (TCR)
Collected
Oct 6, 2015 09:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
809264
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2015 – Oct 31, 2015
Absence , sample collected Oct 6, 2015 09:50, sampling point DS000 Coliform (TCR)
Collected
Oct 6, 2015 10:35
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
809275
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2015 – Oct 31, 2015
Absence , sample collected Oct 6, 2015 10:35, sampling point DS000 Coliform (TCR)
Collected
Oct 6, 2015 11:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
809277
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2015 – Oct 31, 2015
Absence , sample collected Oct 6, 2015 11:15, sampling point DS000 Coliform (TCR)