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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 451–465 of 1,227 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Old Union Water System, 451 to 465 of 1,227 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Dec 4, 2017 06:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
969075
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2017 – Dec 31, 2017
Absence , sample collected Dec 4, 2017 06:00, sampling point DS000 Coliform (TCR)
Collected
Dec 4, 2017 06:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
969076
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2017 – Dec 31, 2017
Absence , sample collected Dec 4, 2017 06:20, sampling point DS000 Coliform (TCR)
Collected
Dec 4, 2017 06:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
969077
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2017 – Dec 31, 2017
Absence , sample collected Dec 4, 2017 06:30, sampling point DS000 Coliform (TCR)
Collected
Dec 4, 2017 06:10
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
969094
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2017 – Dec 31, 2017
Absence , sample collected Dec 4, 2017 06:10, sampling point DS000 Coliform (TCR)
Collected
Nov 13, 2017 06:35
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
965225
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2017 – Nov 30, 2017
Absence , sample collected Nov 13, 2017 06:35, sampling point DS000 Coliform (TCR)
Collected
Nov 13, 2017 06:25
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
965226
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2017 – Nov 30, 2017
Absence , sample collected Nov 13, 2017 06:25, sampling point DS000 Coliform (TCR)
Collected
Nov 13, 2017 06:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
965227
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2017 – Nov 30, 2017
Absence , sample collected Nov 13, 2017 06:15, sampling point DS000 Coliform (TCR)
Collected
Nov 13, 2017 06:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
965228
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2017 – Nov 30, 2017
Absence , sample collected Nov 13, 2017 06:00, sampling point DS000 Coliform (TCR)
Collected
Oct 10, 2017 09:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
960232
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2017 – Oct 31, 2017
Absence , sample collected Oct 10, 2017 09:15, sampling point DS000 Coliform (TCR)
Collected
Oct 10, 2017 09:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
960233
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2017 – Oct 31, 2017
Absence , sample collected Oct 10, 2017 09:00, sampling point DS000 Coliform (TCR)
Collected
Oct 10, 2017 10:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
960260
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2017 – Oct 31, 2017
Absence , sample collected Oct 10, 2017 10:00, sampling point DS000 Coliform (TCR)
Collected
Oct 10, 2017 09:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
960261
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2017 – Oct 31, 2017
Absence , sample collected Oct 10, 2017 09:30, sampling point DS000 Coliform (TCR)
Collected
Sep 11, 2017 10:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
954298
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2017 – Sep 30, 2017
Absence , sample collected Sep 11, 2017 10:40, sampling point DS000 Coliform (TCR)
Collected
Sep 11, 2017 10:25
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
954299
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2017 – Sep 30, 2017
Absence , sample collected Sep 11, 2017 10:25, sampling point DS000 Coliform (TCR)
Collected
Sep 11, 2017 10:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
954300
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2017 – Sep 30, 2017
Absence , sample collected Sep 11, 2017 10:00, sampling point DS000 Coliform (TCR)