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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 4,486–4,500 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 4,486 to 4,500 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Jan 11, 2012 09:17
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
493908
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2012 – Jan 31, 2012
Absence , sample collected Jan 11, 2012 09:17, sampling point DS000 Coliform (TCR)
Collected
Jan 11, 2012 13:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
493909
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2012 – Jan 31, 2012
Absence , sample collected Jan 11, 2012 13:00, sampling point DS000 Coliform (TCR)
Collected
Jan 11, 2012 09:55
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
493910
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2012 – Jan 31, 2012
Absence , sample collected Jan 11, 2012 09:55, sampling point DS000 Coliform (TCR)
Collected
Jan 11, 2012 11:35
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
493917
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2012 – Jan 31, 2012
Absence , sample collected Jan 11, 2012 11:35, sampling point DS000 Coliform (TCR)
Collected
Jan 11, 2012 12:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
494265
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2012 – Jan 31, 2012
Absence , sample collected Jan 11, 2012 12:15, sampling point DS000 Coliform (TCR)
Collected
Jan 11, 2012 12:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
494284
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2012 – Jan 31, 2012
Absence , sample collected Jan 11, 2012 12:30, sampling point DS000 Coliform (TCR)
Collected
Jan 4, 2012 10:46
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
492177
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2012 – Jan 31, 2012
Absence , sample collected Jan 4, 2012 10:46, sampling point DS000 Coliform (TCR)
Collected
Jan 4, 2012 11:53
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
492179
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2012 – Jan 31, 2012
Absence , sample collected Jan 4, 2012 11:53, sampling point DS000 Coliform (TCR)
Collected
Jan 4, 2012 10:26
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
492180
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2012 – Jan 31, 2012
Absence , sample collected Jan 4, 2012 10:26, sampling point DS000 Coliform (TCR)
Collected
Jan 4, 2012 11:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
492181
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2012 – Jan 31, 2012
Absence , sample collected Jan 4, 2012 11:20, sampling point DS000 Coliform (TCR)
Collected
Jan 4, 2012 09:33
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
492182
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2012 – Jan 31, 2012
Absence , sample collected Jan 4, 2012 09:33, sampling point DS000 Coliform (TCR)
Collected
Jan 4, 2012 08:44
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
492183
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2012 – Jan 31, 2012
Absence , sample collected Jan 4, 2012 08:44, sampling point DS000 Coliform (TCR)
Collected
Jan 4, 2012 12:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
492184
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2012 – Jan 31, 2012
Absence , sample collected Jan 4, 2012 12:20, sampling point DS000 Coliform (TCR)
Collected
Jan 4, 2012 10:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
492196
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2012 – Jan 31, 2012
Absence , sample collected Jan 4, 2012 10:00, sampling point DS000 Coliform (TCR)
Collected
Jan 4, 2012 13:17
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
492247
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2012 – Jan 31, 2012
Absence , sample collected Jan 4, 2012 13:17, sampling point DS000 Coliform (TCR)