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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 871–885 of 1,231 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Old Union Water System, 871 to 885 of 1,231 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Sep 7, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
381965
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2010 – Sep 30, 2010
Absence , sample collected Sep 7, 2010, sampling point DS000 Coliform (TCR)
Collected
Aug 4, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
375284
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2010 – Aug 31, 2010
Absence , sample collected Aug 4, 2010, sampling point DS000 Coliform (TCR)
Collected
Aug 4, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
375285
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2010 – Aug 31, 2010
Absence , sample collected Aug 4, 2010, sampling point DS000 Coliform (TCR)
Collected
Aug 4, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
375286
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2010 – Aug 31, 2010
Absence , sample collected Aug 4, 2010, sampling point DS000 Coliform (TCR)
Collected
Aug 4, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
375287
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2010 – Aug 31, 2010
Absence , sample collected Aug 4, 2010, sampling point DS000 Coliform (TCR)
Collected
Jul 1, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
366327
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2010 – Jul 31, 2010
Absence , sample collected Jul 1, 2010, sampling point DS000 Coliform (TCR)
Collected
Jul 1, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
366328
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2010 – Jul 31, 2010
Absence , sample collected Jul 1, 2010, sampling point DS000 Coliform (TCR)
Collected
Jul 1, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
366329
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2010 – Jul 31, 2010
Absence , sample collected Jul 1, 2010, sampling point DS000 Coliform (TCR)
Collected
Jul 1, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
366330
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2010 – Jul 31, 2010
Absence , sample collected Jul 1, 2010, sampling point DS000 Coliform (TCR)
Collected
Jun 15, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
363423
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2010 – Jun 30, 2010
Absence , sample collected Jun 15, 2010, sampling point DS000 Coliform (TCR)
Collected
Jun 15, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
363424
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2010 – Jun 30, 2010
Absence , sample collected Jun 15, 2010, sampling point DS000 Coliform (TCR)
Collected
Jun 15, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
363425
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2010 – Jun 30, 2010
Absence , sample collected Jun 15, 2010, sampling point DS000 Coliform (TCR)
Collected
Jun 15, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
363426
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2010 – Jun 30, 2010
Absence , sample collected Jun 15, 2010, sampling point DS000 Coliform (TCR)
Collected
May 12, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
355437
Laboratory
MSDH Lab
Monitoring period
May 1, 2010 – May 31, 2010
Absence , sample collected May 12, 2010, sampling point DS000 Coliform (TCR)
Collected
May 12, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
355438
Laboratory
MSDH Lab
Monitoring period
May 1, 2010 – May 31, 2010
Absence , sample collected May 12, 2010, sampling point DS000 Coliform (TCR)