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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 511–525 of 1,227 samples on record, newest first.

Routine (12) and Repeat (3).

Coliform and microbial sample results for Old Union Water System, 511 to 525 of 1,227 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Sep 13, 2016 14:04
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
881671
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2016 – Sep 30, 2016
Absence , sample collected Sep 13, 2016 14:04, sampling point DS000 Coliform (TCR)
Collected
Sep 13, 2016 13:56
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
881672
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2016 – Sep 30, 2016
Absence , sample collected Sep 13, 2016 13:56, sampling point DS000 Coliform (TCR)
Collected
Sep 13, 2016 13:23
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
881676
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2016 – Sep 30, 2016
Absence , sample collected Sep 13, 2016 13:23, sampling point DS000 Coliform (TCR)
Collected
Sep 13, 2016 13:36
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
881757
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2016 – Sep 30, 2016
Absence , sample collected Sep 13, 2016 13:36, sampling point DS000 Coliform (TCR)
Collected
Aug 8, 2016 11:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
874406
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2016 – Aug 31, 2016
Absence , sample collected Aug 8, 2016 11:45, sampling point DS000 Coliform (TCR)
Collected
Aug 8, 2016 11:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
874473
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2016 – Aug 31, 2016
Absence , sample collected Aug 8, 2016 11:30, sampling point DS000 Coliform (TCR)
Collected
Aug 8, 2016 12:02
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
874474
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2016 – Aug 31, 2016
Absence , sample collected Aug 8, 2016 12:02, sampling point DS000 Coliform (TCR)
Collected
Aug 8, 2016 11:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
874480
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2016 – Aug 31, 2016
Absence , sample collected Aug 8, 2016 11:20, sampling point DS000 Coliform (TCR)
Collected
Jul 21, 2016 08:27
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
870654
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2016 – Jul 31, 2016
Absence , sample collected Jul 21, 2016 08:27, sampling point DS000 Coliform (TCR)
Collected
Jul 21, 2016 08:35
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
870655
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2016 – Jul 31, 2016
Absence , sample collected Jul 21, 2016 08:35, sampling point DS000 Coliform (TCR)
Collected
Jul 21, 2016 08:38
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
870656
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2016 – Jul 31, 2016
Absence , sample collected Jul 21, 2016 08:38, sampling point DS000 Coliform (TCR)
Collected
Jul 18, 2016 07:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
869737
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2016 – Jul 31, 2016
Absence , sample collected Jul 18, 2016 07:20, sampling point DS000 Coliform (TCR)
Collected
Jul 18, 2016 07:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
869738
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2016 – Jul 31, 2016
Absence , sample collected Jul 18, 2016 07:30, sampling point DS000 Coliform (TCR)
Collected
Jul 18, 2016 07:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
869739
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2016 – Jul 31, 2016
Absence , sample collected Jul 18, 2016 07:40, sampling point DS000 Coliform (TCR)
Collected
Jul 18, 2016 07:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
869740
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2016 – Jul 31, 2016
Presence , sample collected Jul 18, 2016 07:50, sampling point DS000 Coliform (TCR)
Absence , sample collected Jul 18, 2016 07:50, sampling point DS000 E. Coli