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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 1,631 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 1,231 samples on record.

Every sample on record, October 21, 2003 to September 1, 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 931–945 of 1,231 samples on record, newest first.

Routine (12) and Repeat (3).

Coliform and microbial sample results for Old Union Water System, 931 to 945 of 1,231 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Oct 13, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
308092
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2009 – Oct 31, 2009
Presence , sample collected Oct 13, 2009, sampling point DS000 Coliform (TCR)
Absence , sample collected Oct 13, 2009, sampling point DS000 E. Coli
Collected
Oct 13, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
308098
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2009 – Oct 31, 2009
Presence , sample collected Oct 13, 2009, sampling point DS000 Coliform (TCR)
Absence , sample collected Oct 13, 2009, sampling point DS000 E. Coli
Collected
Oct 13, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
308109
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2009 – Oct 31, 2009
Presence , sample collected Oct 13, 2009, sampling point DS000 Coliform (TCR)
Absence , sample collected Oct 13, 2009, sampling point DS000 E. Coli
Collected
Sep 14, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
302204
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2009 – Sep 30, 2009
Absence , sample collected Sep 14, 2009, sampling point DS000 Coliform (TCR)
Collected
Sep 14, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
302470
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2009 – Sep 30, 2009
Absence , sample collected Sep 14, 2009, sampling point DS000 Coliform (TCR)
Collected
Sep 14, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
302472
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2009 – Sep 30, 2009
Absence , sample collected Sep 14, 2009, sampling point DS000 Coliform (TCR)
Collected
Sep 14, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
302485
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2009 – Sep 30, 2009
Absence , sample collected Sep 14, 2009, sampling point DS000 Coliform (TCR)
Collected
Sep 14, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
302504
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2009 – Sep 30, 2009
Absence , sample collected Sep 14, 2009, sampling point DS000 Coliform (TCR)
Collected
Aug 6, 2009
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
292946
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2009 – Aug 31, 2009
Absence , sample collected Aug 6, 2009, sampling point DS000 Coliform (TCR)
Collected
Aug 6, 2009
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
292972
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2009 – Aug 31, 2009
Absence , sample collected Aug 6, 2009, sampling point DS000 Coliform (TCR)
Collected
Aug 6, 2009
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
292978
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2009 – Aug 31, 2009
Absence , sample collected Aug 6, 2009, sampling point DS000 Coliform (TCR)
Collected
Aug 4, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
291857
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2009 – Aug 31, 2009
Absence , sample collected Aug 4, 2009, sampling point DS000 Coliform (TCR)
Collected
Aug 4, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
291859
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2009 – Aug 31, 2009
Absence , sample collected Aug 4, 2009, sampling point DS000 Coliform (TCR)
Collected
Aug 4, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
291860
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2009 – Aug 31, 2009
Absence , sample collected Aug 4, 2009, sampling point DS000 Coliform (TCR)
Collected
Aug 4, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
291884
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2009 – Aug 31, 2009
Presence , sample collected Aug 4, 2009, sampling point DS000 Coliform (TCR)
Absence , sample collected Aug 4, 2009, sampling point DS000 E. Coli