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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 466–480 of 1,227 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Old Union Water System, 466 to 480 of 1,227 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Sep 11, 2017 10:10
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
954301
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2017 – Sep 30, 2017
Absence , sample collected Sep 11, 2017 10:10, sampling point DS000 Coliform (TCR)
Collected
Aug 21, 2017 06:25
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
949249
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2017 – Aug 31, 2017
Absence , sample collected Aug 21, 2017 06:25, sampling point DS000 Coliform (TCR)
Collected
Aug 21, 2017 06:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
949250
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2017 – Aug 31, 2017
Absence , sample collected Aug 21, 2017 06:15, sampling point DS000 Coliform (TCR)
Collected
Aug 21, 2017 06:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
949251
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2017 – Aug 31, 2017
Absence , sample collected Aug 21, 2017 06:00, sampling point DS000 Coliform (TCR)
Collected
Aug 21, 2017 06:35
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
949252
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2017 – Aug 31, 2017
Absence , sample collected Aug 21, 2017 06:35, sampling point DS000 Coliform (TCR)
Collected
Jul 11, 2017 06:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
939893
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2017 – Jul 31, 2017
Absence , sample collected Jul 11, 2017 06:00, sampling point DS000 Coliform (TCR)
Collected
Jul 11, 2017 06:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
939894
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2017 – Jul 31, 2017
Absence , sample collected Jul 11, 2017 06:15, sampling point DS000 Coliform (TCR)
Collected
Jul 11, 2017 06:25
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
939895
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2017 – Jul 31, 2017
Absence , sample collected Jul 11, 2017 06:25, sampling point DS000 Coliform (TCR)
Collected
Jul 11, 2017 06:35
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
939896
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2017 – Jul 31, 2017
Absence , sample collected Jul 11, 2017 06:35, sampling point DS000 Coliform (TCR)
Collected
Jun 12, 2017 10:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
935428
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2017 – Jun 30, 2017
Absence , sample collected Jun 12, 2017 10:00, sampling point DS000 Coliform (TCR)
Collected
Jun 12, 2017 10:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
935429
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2017 – Jun 30, 2017
Absence , sample collected Jun 12, 2017 10:15, sampling point DS000 Coliform (TCR)
Collected
Jun 12, 2017 10:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
935430
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2017 – Jun 30, 2017
Absence , sample collected Jun 12, 2017 10:30, sampling point DS000 Coliform (TCR)
Collected
Jun 12, 2017 10:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
935431
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2017 – Jun 30, 2017
Absence , sample collected Jun 12, 2017 10:40, sampling point DS000 Coliform (TCR)
Collected
May 9, 2017 06:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
928899
Laboratory
MSDH Lab
Monitoring period
May 1, 2017 – May 31, 2017
Absence , sample collected May 9, 2017 06:00, sampling point DS000 Coliform (TCR)
Collected
May 9, 2017 06:10
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
928900
Laboratory
MSDH Lab
Monitoring period
May 1, 2017 – May 31, 2017
Absence , sample collected May 9, 2017 06:10, sampling point DS000 Coliform (TCR)