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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 2,581–2,595 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 2,581 to 2,595 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Mar 7, 2018 08:39
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
988821
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2018 – Mar 31, 2018
Absence , sample collected Mar 7, 2018 08:39, sampling point DS000 Coliform (TCR)
Collected
Mar 7, 2018 09:28
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
988822
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2018 – Mar 31, 2018
Absence , sample collected Mar 7, 2018 09:28, sampling point DS000 Coliform (TCR)
Collected
Mar 7, 2018 07:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
988823
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2018 – Mar 31, 2018
Absence , sample collected Mar 7, 2018 07:50, sampling point DS000 Coliform (TCR)
Collected
Mar 7, 2018 10:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
988824
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2018 – Mar 31, 2018
Absence , sample collected Mar 7, 2018 10:20, sampling point DS000 Coliform (TCR)
Collected
Mar 7, 2018 10:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
988832
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2018 – Mar 31, 2018
Absence , sample collected Mar 7, 2018 10:50, sampling point DS000 Coliform (TCR)
Collected
Mar 7, 2018 08:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
988833
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2018 – Mar 31, 2018
Absence , sample collected Mar 7, 2018 08:15, sampling point DS000 Coliform (TCR)
Collected
Mar 6, 2018 09:46
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
987481
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2018 – Mar 31, 2018
Absence , sample collected Mar 6, 2018 09:46, sampling point DS000 Coliform (TCR)
Collected
Mar 6, 2018 10:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
987490
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2018 – Mar 31, 2018
Absence , sample collected Mar 6, 2018 10:45, sampling point DS000 Coliform (TCR)
Collected
Mar 6, 2018 11:06
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
987491
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2018 – Mar 31, 2018
Absence , sample collected Mar 6, 2018 11:06, sampling point DS000 Coliform (TCR)
Collected
Mar 6, 2018 11:28
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
987492
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2018 – Mar 31, 2018
Absence , sample collected Mar 6, 2018 11:28, sampling point DS000 Coliform (TCR)
Collected
Mar 6, 2018 07:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
987499
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2018 – Mar 31, 2018
Absence , sample collected Mar 6, 2018 07:30, sampling point DS000 Coliform (TCR)
Collected
Mar 6, 2018 08:58
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
987500
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2018 – Mar 31, 2018
Absence , sample collected Mar 6, 2018 08:58, sampling point DS000 Coliform (TCR)
Collected
Mar 6, 2018 07:55
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
987501
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2018 – Mar 31, 2018
Absence , sample collected Mar 6, 2018 07:55, sampling point DS000 Coliform (TCR)
Collected
Mar 6, 2018 09:22
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
987502
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2018 – Mar 31, 2018
Absence , sample collected Mar 6, 2018 09:22, sampling point DS000 Coliform (TCR)
Collected
Mar 6, 2018 10:28
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
987503
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2018 – Mar 31, 2018
Absence , sample collected Mar 6, 2018 10:28, sampling point DS000 Coliform (TCR)