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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 7,081–7,095 of 7,494 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Columbus Light & Water, 7,081 to 7,095 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Nov 16, 2004
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
041118122050-00209
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2004 – Nov 30, 2004
Absence , sample collected Nov 16, 2004, sampling point DS000 Coliform (TCR)
Collected
Nov 16, 2004
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
041118122050-00210
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2004 – Nov 30, 2004
Absence , sample collected Nov 16, 2004, sampling point DS000 Coliform (TCR)
Collected
Nov 16, 2004
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
041118122050-00211
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2004 – Nov 30, 2004
Absence , sample collected Nov 16, 2004, sampling point DS000 Coliform (TCR)
Collected
Nov 16, 2004
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
041118122050-00212
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2004 – Nov 30, 2004
Absence , sample collected Nov 16, 2004, sampling point DS000 Coliform (TCR)
Collected
Nov 16, 2004
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
041118122050-00213
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2004 – Nov 30, 2004
Absence , sample collected Nov 16, 2004, sampling point DS000 Coliform (TCR)
Collected
Nov 16, 2004
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
041118122050-00214
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2004 – Nov 30, 2004
Absence , sample collected Nov 16, 2004, sampling point DS000 Coliform (TCR)
Collected
Nov 16, 2004
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
041118122050-00215
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2004 – Nov 30, 2004
Absence , sample collected Nov 16, 2004, sampling point DS000 Coliform (TCR)
Collected
Nov 16, 2004
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
041118122050-00216
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2004 – Nov 30, 2004
Absence , sample collected Nov 16, 2004, sampling point DS000 Coliform (TCR)
Collected
Nov 16, 2004
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
041118122050-00217
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2004 – Nov 30, 2004
Absence , sample collected Nov 16, 2004, sampling point DS000 Coliform (TCR)
Collected
Nov 16, 2004
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
041118122050-00218
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2004 – Nov 30, 2004
Absence , sample collected Nov 16, 2004, sampling point DS000 Coliform (TCR)
Collected
Nov 3, 2004
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
041104132524-00163
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2004 – Nov 30, 2004
Absence , sample collected Nov 3, 2004, sampling point DS000 Coliform (TCR)
Collected
Nov 3, 2004
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
041104132524-00164
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2004 – Nov 30, 2004
Absence , sample collected Nov 3, 2004, sampling point DS000 Coliform (TCR)
Collected
Nov 3, 2004
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
041104132524-00165
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2004 – Nov 30, 2004
Absence , sample collected Nov 3, 2004, sampling point DS000 Coliform (TCR)
Collected
Nov 3, 2004
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
041104132524-00166
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2004 – Nov 30, 2004
Absence , sample collected Nov 3, 2004, sampling point DS000 Coliform (TCR)
Collected
Nov 3, 2004
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
041104132524-00167
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2004 – Nov 30, 2004
Absence , sample collected Nov 3, 2004, sampling point DS000 Coliform (TCR)