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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 571–585 of 1,231 samples on record, newest first.

Routine (10) and Repeat (5).

Coliform and microbial sample results for Old Union Water System, 571 to 585 of 1,231 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Aug 18, 2015 14:12
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
796338
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2015 – Aug 31, 2015
Absence , sample collected Aug 18, 2015 14:12, sampling point DS000 Coliform (TCR)
Collected
Aug 18, 2015 14:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
796339
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2015 – Aug 31, 2015
Absence , sample collected Aug 18, 2015 14:45, sampling point DS000 Coliform (TCR)
Collected
Aug 18, 2015 14:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
796340
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2015 – Aug 31, 2015
Absence , sample collected Aug 18, 2015 14:30, sampling point DS000 Coliform (TCR)
Collected
Aug 18, 2015 15:10
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
796354
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2015 – Aug 31, 2015
Absence , sample collected Aug 18, 2015 15:10, sampling point DS000 Coliform (TCR)
Collected
Aug 18, 2015 14:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
796355
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2015 – Aug 31, 2015
Absence , sample collected Aug 18, 2015 14:00, sampling point DS000 Coliform (TCR)
Collected
Jul 16, 2015 11:00
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
789053
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2015 – Jul 31, 2015
Absence , sample collected Jul 16, 2015 11:00, sampling point DS000 Coliform (TCR)
Collected
Jul 16, 2015 11:10
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
789071
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2015 – Jul 31, 2015
Absence , sample collected Jul 16, 2015 11:10, sampling point DS000 Coliform (TCR)
Collected
Jul 16, 2015 11:25
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
789072
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2015 – Jul 31, 2015
Absence , sample collected Jul 16, 2015 11:25, sampling point DS000 Coliform (TCR)
Collected
Jul 13, 2015 14:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
788004
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2015 – Jul 31, 2015
Absence , sample collected Jul 13, 2015 14:15, sampling point DS000 Coliform (TCR)
Collected
Jul 13, 2015 13:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
788005
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2015 – Jul 31, 2015
Absence , sample collected Jul 13, 2015 13:50, sampling point DS000 Coliform (TCR)
Collected
Jul 13, 2015 13:35
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
788006
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2015 – Jul 31, 2015
Absence , sample collected Jul 13, 2015 13:35, sampling point DS000 Coliform (TCR)
Collected
Jul 13, 2015 13:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
788007
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2015 – Jul 31, 2015
Absence , sample collected Jul 13, 2015 13:15, sampling point DS000 Coliform (TCR)
Collected
Jul 13, 2015 13:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
788008
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2015 – Jul 31, 2015
Presence , sample collected Jul 13, 2015 13:00, sampling point DS000 Coliform (TCR)
Absence , sample collected Jul 13, 2015 13:00, sampling point DS000 E. Coli
Collected
Jun 18, 2015 15:10
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
782794
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2015 – Jun 30, 2015
Absence , sample collected Jun 18, 2015 15:10, sampling point DS000 Coliform (TCR)
Collected
Jun 18, 2015 15:30
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
782795
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2015 – Jun 30, 2015
Absence , sample collected Jun 18, 2015 15:30, sampling point DS000 Coliform (TCR)