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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 196–210 of 1,227 samples on record, newest first.

Routine (7), Repeat (5) and TG (3). The agency publishes no name for the code TG, so none is shown — this page does not invent labels the agency has not published.

Coliform and microbial sample results for Old Union Water System, 196 to 210 of 1,227 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Oct 20, 2022 09:15
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
BACT-220620-13869
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2022 – Oct 31, 2022
Absence , sample collected Oct 20, 2022 09:15, sampling point DS000 Coliform (TCR)
Absence , sample collected Oct 20, 2022 09:15, sampling point DS000 E. Coli
Collected
Oct 20, 2022 09:30
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
BACT-220620-13870
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2022 – Oct 31, 2022
Absence , sample collected Oct 20, 2022 09:30, sampling point DS000 Coliform (TCR)
Absence , sample collected Oct 20, 2022 09:30, sampling point DS000 E. Coli
Collected
Oct 20, 2022 10:05
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
BACT-220620-13872
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2022 – Oct 31, 2022
Absence , sample collected Oct 20, 2022 10:05, sampling point DS000 Coliform (TCR)
Absence , sample collected Oct 20, 2022 10:05, sampling point DS000 E. Coli
Collected
Oct 20, 2022 10:20
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
BACT-220620-13873
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2022 – Oct 31, 2022
Absence , sample collected Oct 20, 2022 10:20, sampling point DS000 Coliform (TCR)
Absence , sample collected Oct 20, 2022 10:20, sampling point DS000 E. Coli
Collected
Oct 20, 2022 09:50
Sampling point
TC0002 Outside Faucet
Sample type
Repeat
Lab sample
BACT-220620-13871
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2022 – Oct 31, 2022
Absence , sample collected Oct 20, 2022 09:50, sampling point TC0002 Coliform (TCR)
Absence , sample collected Oct 20, 2022 09:50, sampling point TC0002 E. Coli
Collected
Oct 20, 2022 08:00
Sampling point
WL001 Well W001
Sample type
TG
Lab sample
BACT-220620-13865
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2022 – Oct 31, 2022
Presence , sample collected Oct 20, 2022 08:00, sampling point WL001 Coliform (TCR)
Absence , sample collected Oct 20, 2022 08:00, sampling point WL001 E. Coli
Collected
Oct 20, 2022 08:15
Sampling point
WL002 Well W002
Sample type
TG
Lab sample
BACT-220620-13866
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2022 – Oct 31, 2022
Presence , sample collected Oct 20, 2022 08:15, sampling point WL002 Coliform (TCR)
Absence , sample collected Oct 20, 2022 08:15, sampling point WL002 E. Coli
Collected
Oct 20, 2022 08:30
Sampling point
WL003 Well W003
Sample type
TG
Lab sample
BACT-220620-13867
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2022 – Oct 31, 2022
Presence , sample collected Oct 20, 2022 08:30, sampling point WL003 Coliform (TCR)
Absence , sample collected Oct 20, 2022 08:30, sampling point WL003 E. Coli
Collected
Oct 17, 2022 11:00
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-191008-64497
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2022 – Oct 31, 2022
Presence , sample collected Oct 17, 2022 11:00, sampling point TC0001 Coliform (TCR)
Absence , sample collected Oct 17, 2022 11:00, sampling point TC0001 E. Coli
Collected
Oct 17, 2022 11:10
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-191008-64498
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2022 – Oct 31, 2022
Presence , sample collected Oct 17, 2022 11:10, sampling point TC0002 Coliform (TCR)
Absence , sample collected Oct 17, 2022 11:10, sampling point TC0002 E. Coli
Collected
Oct 17, 2022 11:25
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-191008-64499
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2022 – Oct 31, 2022
Absence , sample collected Oct 17, 2022 11:25, sampling point TC0003 Coliform (TCR)
Absence , sample collected Oct 17, 2022 11:25, sampling point TC0003 E. Coli
Collected
Oct 17, 2022 11:55
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-191008-64501
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2022 – Oct 31, 2022
Absence , sample collected Oct 17, 2022 11:55, sampling point TC0004 Coliform (TCR)
Absence , sample collected Oct 17, 2022 11:55, sampling point TC0004 E. Coli
Collected
Oct 17, 2022 11:40
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-191008-64500
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2022 – Oct 31, 2022
Absence , sample collected Oct 17, 2022 11:40, sampling point TC0007 Coliform (TCR)
Absence , sample collected Oct 17, 2022 11:40, sampling point TC0007 E. Coli
Collected
Oct 17, 2022 12:15
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-191008-64502
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2022 – Oct 31, 2022
Absence , sample collected Oct 17, 2022 12:15, sampling point TC0009 Coliform (TCR)
Absence , sample collected Oct 17, 2022 12:15, sampling point TC0009 E. Coli
Collected
Sep 20, 2022 12:15
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-200929-69347
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2022 – Sep 30, 2022
Absence , sample collected Sep 20, 2022 12:15, sampling point TC0001 Coliform (TCR)
Absence , sample collected Sep 20, 2022 12:15, sampling point TC0001 E. Coli