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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 2,476–2,490 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 2,476 to 2,490 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Aug 1, 2018 12:44
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1016038
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2018 – Aug 31, 2018
Absence , sample collected Aug 1, 2018 12:44, sampling point DS000 Coliform (TCR)
Collected
Aug 1, 2018 12:22
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1016039
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2018 – Aug 31, 2018
Absence , sample collected Aug 1, 2018 12:22, sampling point DS000 Coliform (TCR)
Collected
Aug 1, 2018 00:02
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1016040
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2018 – Aug 31, 2018
Absence , sample collected Aug 1, 2018 00:02, sampling point DS000 Coliform (TCR)
Collected
Jul 11, 2018 07:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1013455
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2018 – Jul 31, 2018
Absence , sample collected Jul 11, 2018 07:40, sampling point DS000 Coliform (TCR)
Collected
Jul 11, 2018 10:23
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1013465
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2018 – Jul 31, 2018
Absence , sample collected Jul 11, 2018 10:23, sampling point DS000 Coliform (TCR)
Collected
Jul 11, 2018 09:25
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1013468
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2018 – Jul 31, 2018
Absence , sample collected Jul 11, 2018 09:25, sampling point DS000 Coliform (TCR)
Collected
Jul 11, 2018 09:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1013474
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2018 – Jul 31, 2018
Absence , sample collected Jul 11, 2018 09:00, sampling point DS000 Coliform (TCR)
Collected
Jul 11, 2018 09:49
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1013475
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2018 – Jul 31, 2018
Absence , sample collected Jul 11, 2018 09:49, sampling point DS000 Coliform (TCR)
Collected
Jul 11, 2018 10:55
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1013477
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2018 – Jul 31, 2018
Absence , sample collected Jul 11, 2018 10:55, sampling point DS000 Coliform (TCR)
Collected
Jul 11, 2018 08:32
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1013479
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2018 – Jul 31, 2018
Absence , sample collected Jul 11, 2018 08:32, sampling point DS000 Coliform (TCR)
Collected
Jul 11, 2018 08:08
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1013489
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2018 – Jul 31, 2018
Absence , sample collected Jul 11, 2018 08:08, sampling point DS000 Coliform (TCR)
Collected
Jul 10, 2018 10:42
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1012235
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2018 – Jul 31, 2018
Absence , sample collected Jul 10, 2018 10:42, sampling point DS000 Coliform (TCR)
Collected
Jul 10, 2018 12:06
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1012260
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2018 – Jul 31, 2018
Absence , sample collected Jul 10, 2018 12:06, sampling point DS000 Coliform (TCR)
Collected
Jul 10, 2018 10:02
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1012264
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2018 – Jul 31, 2018
Absence , sample collected Jul 10, 2018 10:02, sampling point DS000 Coliform (TCR)
Collected
Jul 10, 2018 12:24
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1012272
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2018 – Jul 31, 2018
Absence , sample collected Jul 10, 2018 12:24, sampling point DS000 Coliform (TCR)