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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 436–450 of 1,227 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Old Union Water System, 436 to 450 of 1,227 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Apr 10, 2018 06:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
994569
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2018 – Apr 30, 2018
Absence , sample collected Apr 10, 2018 06:15, sampling point DS000 Coliform (TCR)
Collected
Apr 10, 2018 06:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
994570
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2018 – Apr 30, 2018
Absence , sample collected Apr 10, 2018 06:00, sampling point DS000 Coliform (TCR)
Collected
Apr 10, 2018 06:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
994741
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2018 – Apr 30, 2018
Absence , sample collected Apr 10, 2018 06:30, sampling point DS000 Coliform (TCR)
Collected
Mar 12, 2018 14:55
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
989333
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2018 – Mar 31, 2018
Absence , sample collected Mar 12, 2018 14:55, sampling point DS000 Coliform (TCR)
Collected
Mar 12, 2018 14:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
989334
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2018 – Mar 31, 2018
Absence , sample collected Mar 12, 2018 14:40, sampling point DS000 Coliform (TCR)
Collected
Mar 12, 2018 14:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
989337
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2018 – Mar 31, 2018
Absence , sample collected Mar 12, 2018 14:30, sampling point DS000 Coliform (TCR)
Collected
Mar 12, 2018 15:10
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
989338
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2018 – Mar 31, 2018
Absence , sample collected Mar 12, 2018 15:10, sampling point DS000 Coliform (TCR)
Collected
Feb 20, 2018 06:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
985343
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2018 – Feb 28, 2018
Absence , sample collected Feb 20, 2018 06:15, sampling point DS000 Coliform (TCR)
Collected
Feb 20, 2018 06:25
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
985344
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2018 – Feb 28, 2018
Absence , sample collected Feb 20, 2018 06:25, sampling point DS000 Coliform (TCR)
Collected
Feb 20, 2018 05:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
985359
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2018 – Feb 28, 2018
Absence , sample collected Feb 20, 2018 05:50, sampling point DS000 Coliform (TCR)
Collected
Feb 20, 2018 06:05
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
985360
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2018 – Feb 28, 2018
Absence , sample collected Feb 20, 2018 06:05, sampling point DS000 Coliform (TCR)
Collected
Jan 23, 2018 05:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
978666
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2018 – Jan 31, 2018
Absence , sample collected Jan 23, 2018 05:50, sampling point DS000 Coliform (TCR)
Collected
Jan 23, 2018 06:10
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
978667
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2018 – Jan 31, 2018
Absence , sample collected Jan 23, 2018 06:10, sampling point DS000 Coliform (TCR)
Collected
Jan 23, 2018 06:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
978668
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2018 – Jan 31, 2018
Absence , sample collected Jan 23, 2018 06:20, sampling point DS000 Coliform (TCR)
Collected
Jan 23, 2018 06:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
978669
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2018 – Jan 31, 2018
Absence , sample collected Jan 23, 2018 06:30, sampling point DS000 Coliform (TCR)