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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 586–600 of 1,231 samples on record, newest first.

Routine (14) and Repeat (1).

Coliform and microbial sample results for Old Union Water System, 586 to 600 of 1,231 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Jun 18, 2015 15:20
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
782796
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2015 – Jun 30, 2015
Absence , sample collected Jun 18, 2015 15:20, sampling point DS000 Coliform (TCR)
Collected
Jun 16, 2015 15:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
782285
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2015 – Jun 30, 2015
Absence , sample collected Jun 16, 2015 15:00, sampling point DS000 Coliform (TCR)
Collected
Jun 16, 2015 15:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
782286
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2015 – Jun 30, 2015
Absence , sample collected Jun 16, 2015 15:50, sampling point DS000 Coliform (TCR)
Collected
Jun 16, 2015 15:12
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
782287
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2015 – Jun 30, 2015
Absence , sample collected Jun 16, 2015 15:12, sampling point DS000 Coliform (TCR)
Collected
Jun 16, 2015 15:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
782288
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2015 – Jun 30, 2015
Presence , sample collected Jun 16, 2015 15:30, sampling point DS000 Coliform (TCR)
Absence , sample collected Jun 16, 2015 15:30, sampling point DS000 E. Coli
Collected
May 4, 2015 14:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
770772
Laboratory
MSDH Lab
Monitoring period
May 1, 2015 – May 31, 2015
Absence , sample collected May 4, 2015 14:15, sampling point DS000 Coliform (TCR)
Collected
May 4, 2015 15:10
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
770773
Laboratory
MSDH Lab
Monitoring period
May 1, 2015 – May 31, 2015
Absence , sample collected May 4, 2015 15:10, sampling point DS000 Coliform (TCR)
Collected
May 4, 2015 14:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
770774
Laboratory
MSDH Lab
Monitoring period
May 1, 2015 – May 31, 2015
Absence , sample collected May 4, 2015 14:40, sampling point DS000 Coliform (TCR)
Collected
May 4, 2015 14:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
770775
Laboratory
MSDH Lab
Monitoring period
May 1, 2015 – May 31, 2015
Absence , sample collected May 4, 2015 14:00, sampling point DS000 Coliform (TCR)
Collected
Apr 14, 2015 14:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
767564
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2015 – Apr 30, 2015
Absence , sample collected Apr 14, 2015 14:40, sampling point DS000 Coliform (TCR)
Collected
Apr 14, 2015 14:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
767565
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2015 – Apr 30, 2015
Absence , sample collected Apr 14, 2015 14:15, sampling point DS000 Coliform (TCR)
Collected
Apr 14, 2015 14:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
767566
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2015 – Apr 30, 2015
Absence , sample collected Apr 14, 2015 14:00, sampling point DS000 Coliform (TCR)
Collected
Apr 14, 2015 15:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
767567
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2015 – Apr 30, 2015
Absence , sample collected Apr 14, 2015 15:00, sampling point DS000 Coliform (TCR)
Collected
Mar 16, 2015 14:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
760966
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2015 – Mar 31, 2015
Absence , sample collected Mar 16, 2015 14:00, sampling point DS000 Coliform (TCR)
Collected
Mar 16, 2015 15:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
760967
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2015 – Mar 31, 2015
Absence , sample collected Mar 16, 2015 15:00, sampling point DS000 Coliform (TCR)