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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. These figures cover the whole record; the list of samples further down is narrowed.

This system’s violations

The most recent samples

Showing samples collected between September 26, 2024 and September 26, 2026. That is this page’s default, not a limit on what the agency records.

Show every sample on record

Choose a date range

The list below shows 46–60 of 97 samples in this date range, newest first.

Routine (15).

Coliform and microbial sample results for Old Union Water System, 46 to 60 of 97 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Oct 15, 2025 10:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
BACT-240812-33643
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2025 – Oct 31, 2025
Absence , sample collected Oct 15, 2025 10:30, sampling point DS000 Coliform (TCR)
Absence , sample collected Oct 15, 2025 10:30, sampling point DS000 E. Coli
Collected
Oct 15, 2025 11:45
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-33641
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2025 – Oct 31, 2025
Absence , sample collected Oct 15, 2025 11:45, sampling point TC0003 Coliform (TCR)
Absence , sample collected Oct 15, 2025 11:45, sampling point TC0003 E. Coli
Collected
Oct 15, 2025 12:45
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-33640
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2025 – Oct 31, 2025
Absence , sample collected Oct 15, 2025 12:45, sampling point TC0008 Coliform (TCR)
Absence , sample collected Oct 15, 2025 12:45, sampling point TC0008 E. Coli
Collected
Oct 15, 2025 11:00
Sampling point
TC0010 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-33642
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2025 – Oct 31, 2025
Absence , sample collected Oct 15, 2025 11:00, sampling point TC0010 Coliform (TCR)
Absence , sample collected Oct 15, 2025 11:00, sampling point TC0010 E. Coli
Collected
Sep 10, 2025 12:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
BACT-240812-33634
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2025 – Sep 30, 2025
Absence , sample collected Sep 10, 2025 12:30, sampling point DS000 Coliform (TCR)
Absence , sample collected Sep 10, 2025 12:30, sampling point DS000 E. Coli
Collected
Sep 10, 2025 10:35
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-33712
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2025 – Sep 30, 2025
Absence , sample collected Sep 10, 2025 10:35, sampling point TC0003 Coliform (TCR)
Absence , sample collected Sep 10, 2025 10:35, sampling point TC0003 E. Coli
Collected
Sep 10, 2025 10:15
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-33711
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2025 – Sep 30, 2025
Absence , sample collected Sep 10, 2025 10:15, sampling point TC0008 Coliform (TCR)
Absence , sample collected Sep 10, 2025 10:15, sampling point TC0008 E. Coli
Collected
Sep 10, 2025 11:40
Sampling point
TC0010 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-33713
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2025 – Sep 30, 2025
Absence , sample collected Sep 10, 2025 11:40, sampling point TC0010 Coliform (TCR)
Absence , sample collected Sep 10, 2025 11:40, sampling point TC0010 E. Coli
Collected
Aug 13, 2025 10:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
BACT-240812-33709
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2025 – Aug 31, 2025
Absence , sample collected Aug 13, 2025 10:15, sampling point DS000 Coliform (TCR)
Absence , sample collected Aug 13, 2025 10:15, sampling point DS000 E. Coli
Collected
Aug 13, 2025 10:40
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-33708
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2025 – Aug 31, 2025
Absence , sample collected Aug 13, 2025 10:40, sampling point TC0001 Coliform (TCR)
Absence , sample collected Aug 13, 2025 10:40, sampling point TC0001 E. Coli
Collected
Aug 13, 2025 11:30
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-33706
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2025 – Aug 31, 2025
Absence , sample collected Aug 13, 2025 11:30, sampling point TC0003 Coliform (TCR)
Absence , sample collected Aug 13, 2025 11:30, sampling point TC0003 E. Coli
Collected
Aug 13, 2025 11:10
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-33707
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2025 – Aug 31, 2025
Absence , sample collected Aug 13, 2025 11:10, sampling point TC0008 Coliform (TCR)
Absence , sample collected Aug 13, 2025 11:10, sampling point TC0008 E. Coli
Collected
Jul 16, 2025 11:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
BACT-240812-33652
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2025 – Jul 31, 2025
Absence , sample collected Jul 16, 2025 11:15, sampling point DS000 Coliform (TCR)
Absence , sample collected Jul 16, 2025 11:15, sampling point DS000 E. Coli
Collected
Jul 16, 2025 10:30
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-33705
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2025 – Jul 31, 2025
Absence , sample collected Jul 16, 2025 10:30, sampling point TC0003 Coliform (TCR)
Absence , sample collected Jul 16, 2025 10:30, sampling point TC0003 E. Coli
Collected
Jul 16, 2025 13:15
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-240812-33704
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2025 – Jul 31, 2025
Absence , sample collected Jul 16, 2025 13:15, sampling point TC0008 Coliform (TCR)
Absence , sample collected Jul 16, 2025 13:15, sampling point TC0008 E. Coli