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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 2,236–2,250 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 2,236 to 2,250 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
May 7, 2019 09:44
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1075269
Laboratory
MSDH Lab
Monitoring period
May 1, 2019 – May 31, 2019
Absence , sample collected May 7, 2019 09:44, sampling point DS000 Coliform (TCR)
Collected
May 7, 2019 07:53
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1075270
Laboratory
MSDH Lab
Monitoring period
May 1, 2019 – May 31, 2019
Absence , sample collected May 7, 2019 07:53, sampling point DS000 Coliform (TCR)
Collected
May 7, 2019 09:01
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1075275
Laboratory
MSDH Lab
Monitoring period
May 1, 2019 – May 31, 2019
Absence , sample collected May 7, 2019 09:01, sampling point DS000 Coliform (TCR)
Collected
May 7, 2019 10:06
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1075279
Laboratory
MSDH Lab
Monitoring period
May 1, 2019 – May 31, 2019
Absence , sample collected May 7, 2019 10:06, sampling point DS000 Coliform (TCR)
Collected
May 7, 2019 08:16
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1075284
Laboratory
MSDH Lab
Monitoring period
May 1, 2019 – May 31, 2019
Absence , sample collected May 7, 2019 08:16, sampling point DS000 Coliform (TCR)
Collected
May 7, 2019 11:10
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1075291
Laboratory
MSDH Lab
Monitoring period
May 1, 2019 – May 31, 2019
Absence , sample collected May 7, 2019 11:10, sampling point DS000 Coliform (TCR)
Collected
May 7, 2019 13:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1075294
Laboratory
MSDH Lab
Monitoring period
May 1, 2019 – May 31, 2019
Absence , sample collected May 7, 2019 13:30, sampling point DS000 Coliform (TCR)
Collected
May 7, 2019 11:53
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1075295
Laboratory
MSDH Lab
Monitoring period
May 1, 2019 – May 31, 2019
Absence , sample collected May 7, 2019 11:53, sampling point DS000 Coliform (TCR)
Collected
May 7, 2019 12:55
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1075296
Laboratory
MSDH Lab
Monitoring period
May 1, 2019 – May 31, 2019
Absence , sample collected May 7, 2019 12:55, sampling point DS000 Coliform (TCR)
Collected
May 7, 2019 12:18
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1075297
Laboratory
MSDH Lab
Monitoring period
May 1, 2019 – May 31, 2019
Absence , sample collected May 7, 2019 12:18, sampling point DS000 Coliform (TCR)
Collected
May 7, 2019 10:51
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1075298
Laboratory
MSDH Lab
Monitoring period
May 1, 2019 – May 31, 2019
Absence , sample collected May 7, 2019 10:51, sampling point DS000 Coliform (TCR)
Collected
May 7, 2019 10:28
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1075299
Laboratory
MSDH Lab
Monitoring period
May 1, 2019 – May 31, 2019
Absence , sample collected May 7, 2019 10:28, sampling point DS000 Coliform (TCR)
Collected
May 7, 2019 11:31
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1075300
Laboratory
MSDH Lab
Monitoring period
May 1, 2019 – May 31, 2019
Absence , sample collected May 7, 2019 11:31, sampling point DS000 Coliform (TCR)
Collected
May 7, 2019 09:21
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1075302
Laboratory
MSDH Lab
Monitoring period
May 1, 2019 – May 31, 2019
Absence , sample collected May 7, 2019 09:21, sampling point DS000 Coliform (TCR)
Collected
May 7, 2019 07:25
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1075309
Laboratory
MSDH Lab
Monitoring period
May 1, 2019 – May 31, 2019
Absence , sample collected May 7, 2019 07:25, sampling point DS000 Coliform (TCR)