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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 421–435 of 1,227 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Old Union Water System, 421 to 435 of 1,227 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Aug 6, 2018 06:10
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1016785
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2018 – Aug 31, 2018
Absence , sample collected Aug 6, 2018 06:10, sampling point DS000 Coliform (TCR)
Collected
Aug 6, 2018 05:55
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1016786
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2018 – Aug 31, 2018
Absence , sample collected Aug 6, 2018 05:55, sampling point DS000 Coliform (TCR)
Collected
Jul 9, 2018 06:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1011269
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2018 – Jul 31, 2018
Absence , sample collected Jul 9, 2018 06:15, sampling point DS000 Coliform (TCR)
Collected
Jul 9, 2018 06:35
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1011270
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2018 – Jul 31, 2018
Absence , sample collected Jul 9, 2018 06:35, sampling point DS000 Coliform (TCR)
Collected
Jul 9, 2018 06:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1011458
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2018 – Jul 31, 2018
Absence , sample collected Jul 9, 2018 06:45, sampling point DS000 Coliform (TCR)
Collected
Jul 9, 2018 06:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1011459
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2018 – Jul 31, 2018
Absence , sample collected Jul 9, 2018 06:00, sampling point DS000 Coliform (TCR)
Collected
Jun 18, 2018 06:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1008374
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2018 – Jun 30, 2018
Absence , sample collected Jun 18, 2018 06:20, sampling point DS000 Coliform (TCR)
Collected
Jun 18, 2018 06:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1008375
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2018 – Jun 30, 2018
Absence , sample collected Jun 18, 2018 06:00, sampling point DS000 Coliform (TCR)
Collected
Jun 18, 2018 06:35
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1008379
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2018 – Jun 30, 2018
Absence , sample collected Jun 18, 2018 06:35, sampling point DS000 Coliform (TCR)
Collected
Jun 18, 2018 06:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1008380
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2018 – Jun 30, 2018
Absence , sample collected Jun 18, 2018 06:45, sampling point DS000 Coliform (TCR)
Collected
May 14, 2018 06:10
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1001441
Laboratory
MSDH Lab
Monitoring period
May 1, 2018 – May 31, 2018
Absence , sample collected May 14, 2018 06:10, sampling point DS000 Coliform (TCR)
Collected
May 14, 2018 06:25
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1001442
Laboratory
MSDH Lab
Monitoring period
May 1, 2018 – May 31, 2018
Absence , sample collected May 14, 2018 06:25, sampling point DS000 Coliform (TCR)
Collected
May 14, 2018 06:35
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1001443
Laboratory
MSDH Lab
Monitoring period
May 1, 2018 – May 31, 2018
Absence , sample collected May 14, 2018 06:35, sampling point DS000 Coliform (TCR)
Collected
May 14, 2018 06:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1001444
Laboratory
MSDH Lab
Monitoring period
May 1, 2018 – May 31, 2018
Absence , sample collected May 14, 2018 06:00, sampling point DS000 Coliform (TCR)
Collected
Apr 10, 2018 06:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
994567
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2018 – Apr 30, 2018
Absence , sample collected Apr 10, 2018 06:40, sampling point DS000 Coliform (TCR)