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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 2,731–2,745 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 2,731 to 2,745 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Sep 6, 2017 11:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
951931
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2017 – Sep 30, 2017
Absence , sample collected Sep 6, 2017 11:50, sampling point DS000 Coliform (TCR)
Collected
Sep 6, 2017 10:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
951944
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2017 – Sep 30, 2017
Absence , sample collected Sep 6, 2017 10:00, sampling point DS000 Coliform (TCR)
Collected
Sep 6, 2017 10:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
951945
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2017 – Sep 30, 2017
Absence , sample collected Sep 6, 2017 10:30, sampling point DS000 Coliform (TCR)
Collected
Sep 6, 2017 11:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
951946
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2017 – Sep 30, 2017
Absence , sample collected Sep 6, 2017 11:00, sampling point DS000 Coliform (TCR)
Collected
Sep 6, 2017 09:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
951947
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2017 – Sep 30, 2017
Absence , sample collected Sep 6, 2017 09:30, sampling point DS000 Coliform (TCR)
Collected
Sep 6, 2017 09:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
951948
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2017 – Sep 30, 2017
Absence , sample collected Sep 6, 2017 09:00, sampling point DS000 Coliform (TCR)
Collected
Sep 5, 2017 11:58
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
951353
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2017 – Sep 30, 2017
Absence , sample collected Sep 5, 2017 11:58, sampling point DS000 Coliform (TCR)
Collected
Sep 5, 2017 12:18
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
951354
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2017 – Sep 30, 2017
Absence , sample collected Sep 5, 2017 12:18, sampling point DS000 Coliform (TCR)
Collected
Sep 5, 2017 12:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
951356
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2017 – Sep 30, 2017
Absence , sample collected Sep 5, 2017 12:40, sampling point DS000 Coliform (TCR)
Collected
Sep 5, 2017 09:10
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
951357
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2017 – Sep 30, 2017
Absence , sample collected Sep 5, 2017 09:10, sampling point DS000 Coliform (TCR)
Collected
Sep 5, 2017 08:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
951362
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2017 – Sep 30, 2017
Absence , sample collected Sep 5, 2017 08:30, sampling point DS000 Coliform (TCR)
Collected
Sep 5, 2017 10:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
951363
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2017 – Sep 30, 2017
Absence , sample collected Sep 5, 2017 10:15, sampling point DS000 Coliform (TCR)
Collected
Sep 5, 2017 09:55
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
951364
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2017 – Sep 30, 2017
Absence , sample collected Sep 5, 2017 09:55, sampling point DS000 Coliform (TCR)
Collected
Sep 5, 2017 09:35
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
951365
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2017 – Sep 30, 2017
Absence , sample collected Sep 5, 2017 09:35, sampling point DS000 Coliform (TCR)
Collected
Sep 5, 2017 08:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
951367
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2017 – Sep 30, 2017
Absence , sample collected Sep 5, 2017 08:50, sampling point DS000 Coliform (TCR)