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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 2,701–2,715 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 2,701 to 2,715 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Nov 1, 2017 07:55
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
963065
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2017 – Nov 30, 2017
Absence , sample collected Nov 1, 2017 07:55, sampling point DS000 Coliform (TCR)
Collected
Nov 1, 2017 09:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
963066
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2017 – Nov 30, 2017
Absence , sample collected Nov 1, 2017 09:15, sampling point DS000 Coliform (TCR)
Collected
Nov 1, 2017 08:17
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
963067
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2017 – Nov 30, 2017
Absence , sample collected Nov 1, 2017 08:17, sampling point DS000 Coliform (TCR)
Collected
Oct 4, 2017 10:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
959057
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2017 – Oct 31, 2017
Absence , sample collected Oct 4, 2017 10:40, sampling point DS000 Coliform (TCR)
Collected
Oct 4, 2017 09:22
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
959063
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2017 – Oct 31, 2017
Absence , sample collected Oct 4, 2017 09:22, sampling point DS000 Coliform (TCR)
Collected
Oct 4, 2017 08:10
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
959064
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2017 – Oct 31, 2017
Absence , sample collected Oct 4, 2017 08:10, sampling point DS000 Coliform (TCR)
Collected
Oct 4, 2017 11:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
959072
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2017 – Oct 31, 2017
Absence , sample collected Oct 4, 2017 11:40, sampling point DS000 Coliform (TCR)
Collected
Oct 4, 2017 07:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
959073
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2017 – Oct 31, 2017
Absence , sample collected Oct 4, 2017 07:40, sampling point DS000 Coliform (TCR)
Collected
Oct 4, 2017 09:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
959074
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2017 – Oct 31, 2017
Absence , sample collected Oct 4, 2017 09:50, sampling point DS000 Coliform (TCR)
Collected
Oct 4, 2017 08:35
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
959075
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2017 – Oct 31, 2017
Absence , sample collected Oct 4, 2017 08:35, sampling point DS000 Coliform (TCR)
Collected
Oct 4, 2017 08:57
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
959077
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2017 – Oct 31, 2017
Absence , sample collected Oct 4, 2017 08:57, sampling point DS000 Coliform (TCR)
Collected
Oct 4, 2017 10:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
959589
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2017 – Oct 31, 2017
Absence , sample collected Oct 4, 2017 10:15, sampling point DS000 Coliform (TCR)
Collected
Oct 3, 2017 12:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
958406
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2017 – Oct 31, 2017
Absence , sample collected Oct 3, 2017 12:30, sampling point DS000 Coliform (TCR)
Collected
Oct 3, 2017 13:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
958407
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2017 – Oct 31, 2017
Absence , sample collected Oct 3, 2017 13:45, sampling point DS000 Coliform (TCR)
Collected
Oct 3, 2017 11:55
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
958420
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2017 – Oct 31, 2017
Absence , sample collected Oct 3, 2017 11:55, sampling point DS000 Coliform (TCR)