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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

MS0410033 , Old Union Water System

22 of 1,631 results on record were positive for coliform or another organism the agency tests for. The most recent was December 22, 2025.

They fall across 22 of the 1,231 samples on record.

Every sample on record, October 21, 2003 to September 1, 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 781–795 of 1,231 samples on record, newest first.

Repeat (12) and Routine (3).

Coliform and microbial sample results for Old Union Water System, 781 to 795 of 1,231 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Jul 11, 2011 14:10
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
452611
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2011 – Jul 31, 2011
Absence , sample collected Jul 11, 2011 14:10, sampling point DS000 Coliform (TCR)
Collected
Jul 11, 2011 14:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
452621
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2011 – Jul 31, 2011
Absence , sample collected Jul 11, 2011 14:30, sampling point DS000 Coliform (TCR)
Collected
Jul 11, 2011 14:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
452659
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2011 – Jul 31, 2011
Absence , sample collected Jul 11, 2011 14:45, sampling point DS000 Coliform (TCR)
Collected
Jun 16, 2011 11:00
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
447610
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2011 – Jun 30, 2011
Absence , sample collected Jun 16, 2011 11:00, sampling point DS000 Coliform (TCR)
Collected
Jun 16, 2011 14:40
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
447612
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2011 – Jun 30, 2011
Absence , sample collected Jun 16, 2011 14:40, sampling point DS000 Coliform (TCR)
Collected
Jun 16, 2011 12:55
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
447613
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2011 – Jun 30, 2011
Absence , sample collected Jun 16, 2011 12:55, sampling point DS000 Coliform (TCR)
Collected
Jun 16, 2011 13:10
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
447614
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2011 – Jun 30, 2011
Absence , sample collected Jun 16, 2011 13:10, sampling point DS000 Coliform (TCR)
Collected
Jun 16, 2011 11:45
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
447615
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2011 – Jun 30, 2011
Absence , sample collected Jun 16, 2011 11:45, sampling point DS000 Coliform (TCR)
Collected
Jun 16, 2011 11:10
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
447616
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2011 – Jun 30, 2011
Absence , sample collected Jun 16, 2011 11:10, sampling point DS000 Coliform (TCR)
Collected
Jun 16, 2011 12:40
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
447663
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2011 – Jun 30, 2011
Absence , sample collected Jun 16, 2011 12:40, sampling point DS000 Coliform (TCR)
Collected
Jun 16, 2011 12:25
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
447664
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2011 – Jun 30, 2011
Absence , sample collected Jun 16, 2011 12:25, sampling point DS000 Coliform (TCR)
Collected
Jun 16, 2011 13:50
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
447665
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2011 – Jun 30, 2011
Absence , sample collected Jun 16, 2011 13:50, sampling point DS000 Coliform (TCR)
Collected
Jun 16, 2011 12:15
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
447666
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2011 – Jun 30, 2011
Absence , sample collected Jun 16, 2011 12:15, sampling point DS000 Coliform (TCR)
Collected
Jun 16, 2011 11:35
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
447675
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2011 – Jun 30, 2011
Absence , sample collected Jun 16, 2011 11:35, sampling point DS000 Coliform (TCR)
Collected
Jun 16, 2011 14:10
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
447676
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2011 – Jun 30, 2011
Absence , sample collected Jun 16, 2011 14:10, sampling point DS000 Coliform (TCR)