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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 2,371–2,385 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 2,371 to 2,385 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Dec 11, 2018 10:54
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1044836
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2018 – Dec 31, 2018
Absence , sample collected Dec 11, 2018 10:54, sampling point DS000 Coliform (TCR)
Collected
Dec 11, 2018 11:58
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1044837
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2018 – Dec 31, 2018
Absence , sample collected Dec 11, 2018 11:58, sampling point DS000 Coliform (TCR)
Collected
Dec 11, 2018 12:24
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1044838
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2018 – Dec 31, 2018
Absence , sample collected Dec 11, 2018 12:24, sampling point DS000 Coliform (TCR)
Collected
Dec 11, 2018 13:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1044852
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2018 – Dec 31, 2018
Absence , sample collected Dec 11, 2018 13:20, sampling point DS000 Coliform (TCR)
Collected
Dec 11, 2018 10:22
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1044853
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2018 – Dec 31, 2018
Absence , sample collected Dec 11, 2018 10:22, sampling point DS000 Coliform (TCR)
Collected
Dec 11, 2018 09:10
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1044855
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2018 – Dec 31, 2018
Absence , sample collected Dec 11, 2018 09:10, sampling point DS000 Coliform (TCR)
Collected
Dec 11, 2018 09:58
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1044859
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2018 – Dec 31, 2018
Absence , sample collected Dec 11, 2018 09:58, sampling point DS000 Coliform (TCR)
Collected
Dec 11, 2018 08:29
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1044860
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2018 – Dec 31, 2018
Absence , sample collected Dec 11, 2018 08:29, sampling point DS000 Coliform (TCR)
Collected
Nov 13, 2018 09:28
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1037521
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2018 – Nov 30, 2018
Absence , sample collected Nov 13, 2018 09:28, sampling point DS000 Coliform (TCR)
Collected
Nov 13, 2018 09:07
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1037522
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2018 – Nov 30, 2018
Absence , sample collected Nov 13, 2018 09:07, sampling point DS000 Coliform (TCR)
Collected
Nov 13, 2018 08:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1037532
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2018 – Nov 30, 2018
Absence , sample collected Nov 13, 2018 08:20, sampling point DS000 Coliform (TCR)
Collected
Nov 13, 2018 09:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1037535
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2018 – Nov 30, 2018
Absence , sample collected Nov 13, 2018 09:50, sampling point DS000 Coliform (TCR)
Collected
Nov 13, 2018 07:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1037580
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2018 – Nov 30, 2018
Absence , sample collected Nov 13, 2018 07:30, sampling point DS000 Coliform (TCR)
Collected
Nov 13, 2018 08:44
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1037581
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2018 – Nov 30, 2018
Absence , sample collected Nov 13, 2018 08:44, sampling point DS000 Coliform (TCR)
Collected
Nov 13, 2018 10:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1037615
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2018 – Nov 30, 2018
Absence , sample collected Nov 13, 2018 10:40, sampling point DS000 Coliform (TCR)