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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 7,111–7,125 of 7,494 samples on record, newest first.

Routine (12) and Repeat (3).

Coliform and microbial sample results for Columbus Light & Water, 7,111 to 7,125 of 7,494 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Oct 12, 2004
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
041014133433-00193
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2004 – Oct 31, 2004
Absence , sample collected Oct 12, 2004, sampling point DS000 Coliform (TCR)
Collected
Oct 12, 2004
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
041014133433-00194
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2004 – Oct 31, 2004
Absence , sample collected Oct 12, 2004, sampling point DS000 Coliform (TCR)
Collected
Oct 12, 2004
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
041014133433-00195
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2004 – Oct 31, 2004
Absence , sample collected Oct 12, 2004, sampling point DS000 Coliform (TCR)
Collected
Oct 12, 2004
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
041015134019-00083
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2004 – Oct 31, 2004
Absence , sample collected Oct 12, 2004, sampling point DS000 Coliform (TCR)
Collected
Oct 12, 2004
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
041015134019-00084
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2004 – Oct 31, 2004
Absence , sample collected Oct 12, 2004, sampling point DS000 Coliform (TCR)
Collected
Oct 7, 2004
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
1004-053346
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2004 – Oct 31, 2004
Absence , sample collected Oct 7, 2004, sampling point DS000 Coliform (TCR)
Collected
Oct 7, 2004
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
1004-053350
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2004 – Oct 31, 2004
Absence , sample collected Oct 7, 2004, sampling point DS000 Coliform (TCR)
Collected
Oct 7, 2004
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
1004-053352
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2004 – Oct 31, 2004
Absence , sample collected Oct 7, 2004, sampling point DS000 Coliform (TCR)
Collected
Oct 5, 2004
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
041007140039-00163
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2004 – Oct 31, 2004
Absence , sample collected Oct 5, 2004, sampling point DS000 Coliform (TCR)
Collected
Oct 5, 2004
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
041007140039-00165
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2004 – Oct 31, 2004
Absence , sample collected Oct 5, 2004, sampling point DS000 Coliform (TCR)
Collected
Oct 5, 2004
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
041007140039-00390
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2004 – Oct 31, 2004
Absence , sample collected Oct 5, 2004, sampling point DS000 Coliform (TCR)
Collected
Oct 5, 2004
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
041007140039-00391
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2004 – Oct 31, 2004
Absence , sample collected Oct 5, 2004, sampling point DS000 Coliform (TCR)
Collected
Oct 5, 2004
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
041007140039-00392
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2004 – Oct 31, 2004
Absence , sample collected Oct 5, 2004, sampling point DS000 Coliform (TCR)
Collected
Oct 5, 2004
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
041007140039-00393
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2004 – Oct 31, 2004
Absence , sample collected Oct 5, 2004, sampling point DS000 Coliform (TCR)
Collected
Oct 5, 2004
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
041007140039-00394
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2004 – Oct 31, 2004
Absence , sample collected Oct 5, 2004, sampling point DS000 Coliform (TCR)