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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 3,196–3,210 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 3,196 to 3,210 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Mar 1, 2016 10:22
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
841506
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2016 – Mar 31, 2016
Absence , sample collected Mar 1, 2016 10:22, sampling point DS000 Coliform (TCR)
Collected
Mar 1, 2016 07:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
841507
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2016 – Mar 31, 2016
Absence , sample collected Mar 1, 2016 07:40, sampling point DS000 Coliform (TCR)
Collected
Feb 3, 2016 10:58
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
835259
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2016 – Feb 29, 2016
Absence , sample collected Feb 3, 2016 10:58, sampling point DS000 Coliform (TCR)
Collected
Feb 3, 2016 08:55
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
835262
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2016 – Feb 29, 2016
Absence , sample collected Feb 3, 2016 08:55, sampling point DS000 Coliform (TCR)
Collected
Feb 3, 2016 10:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
835269
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2016 – Feb 29, 2016
Absence , sample collected Feb 3, 2016 10:20, sampling point DS000 Coliform (TCR)
Collected
Feb 3, 2016 09:17
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
835270
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2016 – Feb 29, 2016
Absence , sample collected Feb 3, 2016 09:17, sampling point DS000 Coliform (TCR)
Collected
Feb 3, 2016 09:37
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
835271
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2016 – Feb 29, 2016
Absence , sample collected Feb 3, 2016 09:37, sampling point DS000 Coliform (TCR)
Collected
Feb 3, 2016 07:41
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
835272
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2016 – Feb 29, 2016
Absence , sample collected Feb 3, 2016 07:41, sampling point DS000 Coliform (TCR)
Collected
Feb 3, 2016 13:10
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
835273
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2016 – Feb 29, 2016
Absence , sample collected Feb 3, 2016 13:10, sampling point DS000 Coliform (TCR)
Collected
Feb 3, 2016 08:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
835274
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2016 – Feb 29, 2016
Absence , sample collected Feb 3, 2016 08:30, sampling point DS000 Coliform (TCR)
Collected
Feb 3, 2016 08:05
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
835275
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2016 – Feb 29, 2016
Absence , sample collected Feb 3, 2016 08:05, sampling point DS000 Coliform (TCR)
Collected
Feb 3, 2016 11:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
835276
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2016 – Feb 29, 2016
Absence , sample collected Feb 3, 2016 11:20, sampling point DS000 Coliform (TCR)
Collected
Feb 3, 2016 07:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
835277
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2016 – Feb 29, 2016
Absence , sample collected Feb 3, 2016 07:20, sampling point DS000 Coliform (TCR)
Collected
Feb 3, 2016 10:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
835278
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2016 – Feb 29, 2016
Absence , sample collected Feb 3, 2016 10:40, sampling point DS000 Coliform (TCR)
Collected
Feb 3, 2016 11:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
835285
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2016 – Feb 29, 2016
Absence , sample collected Feb 3, 2016 11:45, sampling point DS000 Coliform (TCR)