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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 481–495 of 1,227 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Old Union Water System, 481 to 495 of 1,227 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
May 9, 2017 06:35
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
928901
Laboratory
MSDH Lab
Monitoring period
May 1, 2017 – May 31, 2017
Absence , sample collected May 9, 2017 06:35, sampling point DS000 Coliform (TCR)
Collected
May 9, 2017 06:25
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
928902
Laboratory
MSDH Lab
Monitoring period
May 1, 2017 – May 31, 2017
Absence , sample collected May 9, 2017 06:25, sampling point DS000 Coliform (TCR)
Collected
Apr 4, 2017 06:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
921751
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2017 – Apr 30, 2017
Absence , sample collected Apr 4, 2017 06:30, sampling point DS000 Coliform (TCR)
Collected
Apr 4, 2017 05:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
921752
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2017 – Apr 30, 2017
Absence , sample collected Apr 4, 2017 05:50, sampling point DS000 Coliform (TCR)
Collected
Apr 4, 2017 06:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
921753
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2017 – Apr 30, 2017
Absence , sample collected Apr 4, 2017 06:00, sampling point DS000 Coliform (TCR)
Collected
Apr 4, 2017 06:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
921770
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2017 – Apr 30, 2017
Absence , sample collected Apr 4, 2017 06:15, sampling point DS000 Coliform (TCR)
Collected
Mar 7, 2017 06:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
916370
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2017 – Mar 31, 2017
Absence , sample collected Mar 7, 2017 06:30, sampling point DS000 Coliform (TCR)
Collected
Mar 7, 2017 06:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
916371
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2017 – Mar 31, 2017
Absence , sample collected Mar 7, 2017 06:00, sampling point DS000 Coliform (TCR)
Collected
Mar 7, 2017 06:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
916372
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2017 – Mar 31, 2017
Absence , sample collected Mar 7, 2017 06:20, sampling point DS000 Coliform (TCR)
Collected
Mar 7, 2017 06:10
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
916389
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2017 – Mar 31, 2017
Absence , sample collected Mar 7, 2017 06:10, sampling point DS000 Coliform (TCR)
Collected
Feb 13, 2017 06:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
911873
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2017 – Feb 28, 2017
Absence , sample collected Feb 13, 2017 06:20, sampling point DS000 Coliform (TCR)
Collected
Feb 13, 2017 06:05
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
911874
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2017 – Feb 28, 2017
Absence , sample collected Feb 13, 2017 06:05, sampling point DS000 Coliform (TCR)
Collected
Feb 13, 2017 05:55
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
911875
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2017 – Feb 28, 2017
Absence , sample collected Feb 13, 2017 05:55, sampling point DS000 Coliform (TCR)
Collected
Feb 13, 2017 06:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
911892
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2017 – Feb 28, 2017
Absence , sample collected Feb 13, 2017 06:30, sampling point DS000 Coliform (TCR)
Collected
Jan 9, 2017 06:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
903575
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2017 – Jan 31, 2017
Absence , sample collected Jan 9, 2017 06:00, sampling point DS000 Coliform (TCR)