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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 1,623 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 1,227 samples on record.

Every sample on record, October 21, 2003 to August 5, 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 526–540 of 1,227 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Old Union Water System, 526 to 540 of 1,227 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Jul 11, 2016 12:34
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
867716
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2016 – Jul 31, 2016
Absence , sample collected Jul 11, 2016 12:34, sampling point DS000 Coliform (TCR)
Collected
Jun 6, 2016 14:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
860638
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2016 – Jun 30, 2016
Absence , sample collected Jun 6, 2016 14:00, sampling point DS000 Coliform (TCR)
Collected
Jun 6, 2016 13:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
860639
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2016 – Jun 30, 2016
Absence , sample collected Jun 6, 2016 13:40, sampling point DS000 Coliform (TCR)
Collected
Jun 6, 2016 13:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
860640
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2016 – Jun 30, 2016
Absence , sample collected Jun 6, 2016 13:00, sampling point DS000 Coliform (TCR)
Collected
Jun 6, 2016 13:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
860641
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2016 – Jun 30, 2016
Absence , sample collected Jun 6, 2016 13:15, sampling point DS000 Coliform (TCR)
Collected
May 3, 2016 14:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
854438
Laboratory
MSDH Lab
Monitoring period
May 1, 2016 – May 31, 2016
Absence , sample collected May 3, 2016 14:30, sampling point DS000 Coliform (TCR)
Collected
May 3, 2016 14:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
854439
Laboratory
MSDH Lab
Monitoring period
May 1, 2016 – May 31, 2016
Absence , sample collected May 3, 2016 14:40, sampling point DS000 Coliform (TCR)
Collected
May 3, 2016 15:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
854440
Laboratory
MSDH Lab
Monitoring period
May 1, 2016 – May 31, 2016
Absence , sample collected May 3, 2016 15:20, sampling point DS000 Coliform (TCR)
Collected
May 3, 2016 15:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
854441
Laboratory
MSDH Lab
Monitoring period
May 1, 2016 – May 31, 2016
Absence , sample collected May 3, 2016 15:00, sampling point DS000 Coliform (TCR)
Collected
Apr 4, 2016 14:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
847561
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2016 – Apr 30, 2016
Absence , sample collected Apr 4, 2016 14:20, sampling point DS000 Coliform (TCR)
Collected
Apr 4, 2016 14:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
847562
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2016 – Apr 30, 2016
Absence , sample collected Apr 4, 2016 14:00, sampling point DS000 Coliform (TCR)
Collected
Apr 4, 2016 13:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
847563
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2016 – Apr 30, 2016
Absence , sample collected Apr 4, 2016 13:40, sampling point DS000 Coliform (TCR)
Collected
Apr 4, 2016 13:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
847564
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2016 – Apr 30, 2016
Absence , sample collected Apr 4, 2016 13:30, sampling point DS000 Coliform (TCR)
Collected
Mar 8, 2016 15:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
843972
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2016 – Mar 31, 2016
Absence , sample collected Mar 8, 2016 15:00, sampling point DS000 Coliform (TCR)
Collected
Mar 8, 2016 14:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
843973
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2016 – Mar 31, 2016
Absence , sample collected Mar 8, 2016 14:30, sampling point DS000 Coliform (TCR)