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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 736–750 of 1,231 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Old Union Water System, 736 to 750 of 1,231 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Jun 6, 2012 15:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
527699
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2012 – Jun 30, 2012
Absence , sample collected Jun 6, 2012 15:00, sampling point DS000 Coliform (TCR)
Collected
Jun 6, 2012 15:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
527700
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2012 – Jun 30, 2012
Absence , sample collected Jun 6, 2012 15:20, sampling point DS000 Coliform (TCR)
Collected
Jun 6, 2012 15:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
527701
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2012 – Jun 30, 2012
Absence , sample collected Jun 6, 2012 15:45, sampling point DS000 Coliform (TCR)
Collected
May 8, 2012 15:55
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
521502
Laboratory
MSDH Lab
Monitoring period
May 1, 2012 – May 31, 2012
Absence , sample collected May 8, 2012 15:55, sampling point DS000 Coliform (TCR)
Collected
May 8, 2012 15:35
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
521503
Laboratory
MSDH Lab
Monitoring period
May 1, 2012 – May 31, 2012
Absence , sample collected May 8, 2012 15:35, sampling point DS000 Coliform (TCR)
Collected
May 8, 2012 15:12
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
521504
Laboratory
MSDH Lab
Monitoring period
May 1, 2012 – May 31, 2012
Absence , sample collected May 8, 2012 15:12, sampling point DS000 Coliform (TCR)
Collected
May 8, 2012 15:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
521505
Laboratory
MSDH Lab
Monitoring period
May 1, 2012 – May 31, 2012
Absence , sample collected May 8, 2012 15:00, sampling point DS000 Coliform (TCR)
Collected
Apr 10, 2012 15:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
514461
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2012 – Apr 30, 2012
Absence , sample collected Apr 10, 2012 15:45, sampling point DS000 Coliform (TCR)
Collected
Apr 10, 2012 16:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
514462
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2012 – Apr 30, 2012
Absence , sample collected Apr 10, 2012 16:40, sampling point DS000 Coliform (TCR)
Collected
Apr 10, 2012 16:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
514479
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2012 – Apr 30, 2012
Absence , sample collected Apr 10, 2012 16:20, sampling point DS000 Coliform (TCR)
Collected
Apr 10, 2012 16:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
514480
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2012 – Apr 30, 2012
Absence , sample collected Apr 10, 2012 16:00, sampling point DS000 Coliform (TCR)
Collected
Mar 6, 2012 15:12
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
506358
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2012 – Mar 31, 2012
Absence , sample collected Mar 6, 2012 15:12, sampling point DS000 Coliform (TCR)
Collected
Mar 6, 2012 15:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
506359
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2012 – Mar 31, 2012
Absence , sample collected Mar 6, 2012 15:00, sampling point DS000 Coliform (TCR)
Collected
Mar 6, 2012 15:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
506784
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2012 – Mar 31, 2012
Absence , sample collected Mar 6, 2012 15:45, sampling point DS000 Coliform (TCR)
Collected
Mar 6, 2012 15:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
506785
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2012 – Mar 31, 2012
Absence , sample collected Mar 6, 2012 15:30, sampling point DS000 Coliform (TCR)