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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 2,971–2,985 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 2,971 to 2,985 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Dec 14, 2016 07:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
900898
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2016 – Dec 31, 2016
Absence , sample collected Dec 14, 2016 07:45, sampling point DS000 Coliform (TCR)
Collected
Dec 14, 2016 10:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
900899
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2016 – Dec 31, 2016
Absence , sample collected Dec 14, 2016 10:15, sampling point DS000 Coliform (TCR)
Collected
Dec 14, 2016 08:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
900900
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2016 – Dec 31, 2016
Absence , sample collected Dec 14, 2016 08:45, sampling point DS000 Coliform (TCR)
Collected
Dec 14, 2016 07:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
900901
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2016 – Dec 31, 2016
Absence , sample collected Dec 14, 2016 07:20, sampling point DS000 Coliform (TCR)
Collected
Dec 14, 2016 08:05
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
900904
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2016 – Dec 31, 2016
Absence , sample collected Dec 14, 2016 08:05, sampling point DS000 Coliform (TCR)
Collected
Dec 14, 2016 09:10
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
900905
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2016 – Dec 31, 2016
Absence , sample collected Dec 14, 2016 09:10, sampling point DS000 Coliform (TCR)
Collected
Dec 14, 2016 11:38
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
900907
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2016 – Dec 31, 2016
Absence , sample collected Dec 14, 2016 11:38, sampling point DS000 Coliform (TCR)
Collected
Dec 14, 2016 11:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
900908
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2016 – Dec 31, 2016
Absence , sample collected Dec 14, 2016 11:00, sampling point DS000 Coliform (TCR)
Collected
Dec 14, 2016 09:59
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
900909
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2016 – Dec 31, 2016
Absence , sample collected Dec 14, 2016 09:59, sampling point DS000 Coliform (TCR)
Collected
Dec 14, 2016 08:27
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
900910
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2016 – Dec 31, 2016
Absence , sample collected Dec 14, 2016 08:27, sampling point DS000 Coliform (TCR)
Collected
Dec 14, 2016 10:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
900911
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2016 – Dec 31, 2016
Absence , sample collected Dec 14, 2016 10:50, sampling point DS000 Coliform (TCR)
Collected
Nov 1, 2016 11:33
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
890859
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2016 – Nov 30, 2016
Absence , sample collected Nov 1, 2016 11:33, sampling point DS000 Coliform (TCR)
Collected
Nov 1, 2016 09:10
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
890861
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2016 – Nov 30, 2016
Absence , sample collected Nov 1, 2016 09:10, sampling point DS000 Coliform (TCR)
Collected
Nov 1, 2016 10:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
890875
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2016 – Nov 30, 2016
Absence , sample collected Nov 1, 2016 10:15, sampling point DS000 Coliform (TCR)
Collected
Nov 1, 2016 07:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
890877
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2016 – Nov 30, 2016
Absence , sample collected Nov 1, 2016 07:45, sampling point DS000 Coliform (TCR)