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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 661–675 of 1,231 samples on record, newest first.

Routine (13) and Repeat (2).

Coliform and microbial sample results for Old Union Water System, 661 to 675 of 1,231 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Dec 19, 2013 11:10
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
662224
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2013 – Dec 31, 2013
Absence , sample collected Dec 19, 2013 11:10, sampling point DS000 Coliform (TCR)
Collected
Dec 19, 2013 11:30
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
662240
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2013 – Dec 31, 2013
Absence , sample collected Dec 19, 2013 11:30, sampling point DS000 Coliform (TCR)
Collected
Dec 17, 2013 09:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
661985
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2013 – Dec 31, 2013
Absence , sample collected Dec 17, 2013 09:00, sampling point DS000 Coliform (TCR)
Collected
Dec 17, 2013 08:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
661986
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2013 – Dec 31, 2013
Absence , sample collected Dec 17, 2013 08:40, sampling point DS000 Coliform (TCR)
Collected
Dec 17, 2013 09:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
661987
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2013 – Dec 31, 2013
Absence , sample collected Dec 17, 2013 09:20, sampling point DS000 Coliform (TCR)
Collected
Dec 17, 2013 08:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
661988
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2013 – Dec 31, 2013
Presence , sample collected Dec 17, 2013 08:30, sampling point DS000 Coliform (TCR)
Absence , sample collected Dec 17, 2013 08:30, sampling point DS000 E. Coli
Collected
Nov 13, 2013 15:10
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
652947
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2013 – Nov 30, 2013
Absence , sample collected Nov 13, 2013 15:10, sampling point DS000 Coliform (TCR)
Collected
Nov 13, 2013 14:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
652948
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2013 – Nov 30, 2013
Absence , sample collected Nov 13, 2013 14:40, sampling point DS000 Coliform (TCR)
Collected
Nov 13, 2013 14:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
652949
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2013 – Nov 30, 2013
Absence , sample collected Nov 13, 2013 14:15, sampling point DS000 Coliform (TCR)
Collected
Nov 13, 2013 14:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
652950
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2013 – Nov 30, 2013
Absence , sample collected Nov 13, 2013 14:00, sampling point DS000 Coliform (TCR)
Collected
Oct 15, 2013 13:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
646841
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2013 – Oct 31, 2013
Absence , sample collected Oct 15, 2013 13:40, sampling point DS000 Coliform (TCR)
Collected
Oct 15, 2013 13:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
646842
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2013 – Oct 31, 2013
Absence , sample collected Oct 15, 2013 13:15, sampling point DS000 Coliform (TCR)
Collected
Oct 15, 2013 13:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
646843
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2013 – Oct 31, 2013
Absence , sample collected Oct 15, 2013 13:00, sampling point DS000 Coliform (TCR)
Collected
Oct 15, 2013 14:10
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
646844
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2013 – Oct 31, 2013
Absence , sample collected Oct 15, 2013 14:10, sampling point DS000 Coliform (TCR)
Collected
Sep 9, 2013 13:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
636394
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2013 – Sep 30, 2013
Absence , sample collected Sep 9, 2013 13:15, sampling point DS000 Coliform (TCR)