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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 2,836–2,850 of 7,494 samples on record, newest first.

Routine (12) and Repeat (3).

Coliform and microbial sample results for Columbus Light & Water, 2,836 to 2,850 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
May 9, 2017 09:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
929268
Laboratory
MSDH Lab
Monitoring period
May 1, 2017 – May 31, 2017
Absence , sample collected May 9, 2017 09:00, sampling point DS000 Coliform (TCR)
Collected
May 5, 2017 09:00
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
928231
Laboratory
MSDH Lab
Monitoring period
May 1, 2017 – May 31, 2017
Absence , sample collected May 5, 2017 09:00, sampling point DS000 Coliform (TCR)
Collected
May 5, 2017 07:45
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
928232
Laboratory
MSDH Lab
Monitoring period
May 1, 2017 – May 31, 2017
Absence , sample collected May 5, 2017 07:45, sampling point DS000 Coliform (TCR)
Collected
May 5, 2017 08:30
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
928233
Laboratory
MSDH Lab
Monitoring period
May 1, 2017 – May 31, 2017
Absence , sample collected May 5, 2017 08:30, sampling point DS000 Coliform (TCR)
Collected
May 2, 2017 14:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
927485
Laboratory
MSDH Lab
Monitoring period
May 1, 2017 – May 31, 2017
Absence , sample collected May 2, 2017 14:30, sampling point DS000 Coliform (TCR)
Collected
May 2, 2017 13:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
927486
Laboratory
MSDH Lab
Monitoring period
May 1, 2017 – May 31, 2017
Presence , sample collected May 2, 2017 13:15, sampling point DS000 Coliform (TCR)
Absence , sample collected May 2, 2017 13:15, sampling point DS000 E. Coli
Collected
May 2, 2017 13:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
927501
Laboratory
MSDH Lab
Monitoring period
May 1, 2017 – May 31, 2017
Absence , sample collected May 2, 2017 13:40, sampling point DS000 Coliform (TCR)
Collected
May 2, 2017 12:55
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
927502
Laboratory
MSDH Lab
Monitoring period
May 1, 2017 – May 31, 2017
Absence , sample collected May 2, 2017 12:55, sampling point DS000 Coliform (TCR)
Collected
May 2, 2017 14:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
927503
Laboratory
MSDH Lab
Monitoring period
May 1, 2017 – May 31, 2017
Absence , sample collected May 2, 2017 14:00, sampling point DS000 Coliform (TCR)
Collected
May 2, 2017 09:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
927576
Laboratory
MSDH Lab
Monitoring period
May 1, 2017 – May 31, 2017
Absence , sample collected May 2, 2017 09:00, sampling point DS000 Coliform (TCR)
Collected
May 2, 2017 11:53
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
927578
Laboratory
MSDH Lab
Monitoring period
May 1, 2017 – May 31, 2017
Absence , sample collected May 2, 2017 11:53, sampling point DS000 Coliform (TCR)
Collected
May 2, 2017 10:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
927668
Laboratory
MSDH Lab
Monitoring period
May 1, 2017 – May 31, 2017
Absence , sample collected May 2, 2017 10:15, sampling point DS000 Coliform (TCR)
Collected
May 2, 2017 09:35
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
927673
Laboratory
MSDH Lab
Monitoring period
May 1, 2017 – May 31, 2017
Absence , sample collected May 2, 2017 09:35, sampling point DS000 Coliform (TCR)
Collected
May 2, 2017 11:10
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
927675
Laboratory
MSDH Lab
Monitoring period
May 1, 2017 – May 31, 2017
Absence , sample collected May 2, 2017 11:10, sampling point DS000 Coliform (TCR)
Collected
May 2, 2017 10:54
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
927676
Laboratory
MSDH Lab
Monitoring period
May 1, 2017 – May 31, 2017
Absence , sample collected May 2, 2017 10:54, sampling point DS000 Coliform (TCR)