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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 2,746–2,760 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 2,746 to 2,760 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Sep 5, 2017 13:28
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
951370
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2017 – Sep 30, 2017
Absence , sample collected Sep 5, 2017 13:28, sampling point DS000 Coliform (TCR)
Collected
Sep 5, 2017 11:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
951371
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2017 – Sep 30, 2017
Absence , sample collected Sep 5, 2017 11:15, sampling point DS000 Coliform (TCR)
Collected
Sep 5, 2017 13:55
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
951378
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2017 – Sep 30, 2017
Absence , sample collected Sep 5, 2017 13:55, sampling point DS000 Coliform (TCR)
Collected
Sep 5, 2017 13:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
951381
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2017 – Sep 30, 2017
Absence , sample collected Sep 5, 2017 13:00, sampling point DS000 Coliform (TCR)
Collected
Sep 5, 2017 11:35
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
951386
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2017 – Sep 30, 2017
Absence , sample collected Sep 5, 2017 11:35, sampling point DS000 Coliform (TCR)
Collected
Sep 5, 2017 14:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
951387
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2017 – Sep 30, 2017
Absence , sample collected Sep 5, 2017 14:20, sampling point DS000 Coliform (TCR)
Collected
Sep 5, 2017 10:55
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
951390
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2017 – Sep 30, 2017
Absence , sample collected Sep 5, 2017 10:55, sampling point DS000 Coliform (TCR)
Collected
Sep 5, 2017 10:37
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
951391
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2017 – Sep 30, 2017
Absence , sample collected Sep 5, 2017 10:37, sampling point DS000 Coliform (TCR)
Collected
Aug 2, 2017 11:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
945504
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2017 – Aug 31, 2017
Absence , sample collected Aug 2, 2017 11:45, sampling point DS000 Coliform (TCR)
Collected
Aug 2, 2017 10:35
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
945505
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2017 – Aug 31, 2017
Absence , sample collected Aug 2, 2017 10:35, sampling point DS000 Coliform (TCR)
Collected
Aug 2, 2017 08:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
945506
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2017 – Aug 31, 2017
Absence , sample collected Aug 2, 2017 08:40, sampling point DS000 Coliform (TCR)
Collected
Aug 2, 2017 08:05
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
945507
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2017 – Aug 31, 2017
Absence , sample collected Aug 2, 2017 08:05, sampling point DS000 Coliform (TCR)
Collected
Aug 2, 2017 10:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
945508
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2017 – Aug 31, 2017
Absence , sample collected Aug 2, 2017 10:00, sampling point DS000 Coliform (TCR)
Collected
Aug 2, 2017 07:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
945509
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2017 – Aug 31, 2017
Absence , sample collected Aug 2, 2017 07:40, sampling point DS000 Coliform (TCR)
Collected
Aug 2, 2017 09:35
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
945510
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2017 – Aug 31, 2017
Absence , sample collected Aug 2, 2017 09:35, sampling point DS000 Coliform (TCR)