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.
The most recent samples
Showing samples collected between September 25, 2024 and September 25, 2026. That is this page’s default, not a limit on what the agency records.
Choose a date range
The list below shows 16–30 of 97 samples in this date range, newest first.
Routine (15).
| Result | Organism |
|---|---|
|
|
| Absence , sample collected May 4, 2026 13:32, sampling point TC0010 | Coliform (TCR) |
| Absence , sample collected May 4, 2026 13:32, sampling point TC0010 | E. Coli |
|
|
| Absence , sample collected Apr 1, 2026 13:43, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Apr 1, 2026 13:43, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Apr 1, 2026 13:14, sampling point TC0003 | Coliform (TCR) |
| Absence , sample collected Apr 1, 2026 13:14, sampling point TC0003 | E. Coli |
|
|
| Absence , sample collected Apr 1, 2026 12:49, sampling point TC0007 | Coliform (TCR) |
| Absence , sample collected Apr 1, 2026 12:49, sampling point TC0007 | E. Coli |
|
|
| Absence , sample collected Apr 1, 2026 12:04, sampling point TC0009 | Coliform (TCR) |
| Absence , sample collected Apr 1, 2026 12:04, sampling point TC0009 | E. Coli |
|
|
| Absence , sample collected Apr 1, 2026 12:24, sampling point TC0010 | Coliform (TCR) |
| Absence , sample collected Apr 1, 2026 12:24, sampling point TC0010 | E. Coli |
|
|
| Absence , sample collected Mar 9, 2026 14:31, sampling point TC0003 | Coliform (TCR) |
| Absence , sample collected Mar 9, 2026 14:31, sampling point TC0003 | E. Coli |
|
|
| Absence , sample collected Mar 9, 2026 13:40, sampling point TC0007 | Coliform (TCR) |
| Absence , sample collected Mar 9, 2026 13:40, sampling point TC0007 | E. Coli |
|
|
| Absence , sample collected Mar 9, 2026 13:18, sampling point TC0009 | Coliform (TCR) |
| Absence , sample collected Mar 9, 2026 13:18, sampling point TC0009 | E. Coli |
|
|
| Absence , sample collected Mar 9, 2026 12:45, sampling point TC0010 | Coliform (TCR) |
| Absence , sample collected Mar 9, 2026 12:45, sampling point TC0010 | E. Coli |
|
|
| Absence , sample collected Feb 23, 2026 13:45, sampling point TC0004 | Coliform (TCR) |
| Absence , sample collected Feb 23, 2026 13:45, sampling point TC0004 | E. Coli |
|
|
| Absence , sample collected Feb 23, 2026 14:37, sampling point TC0005 | Coliform (TCR) |
| Absence , sample collected Feb 23, 2026 14:37, sampling point TC0005 | E. Coli |
|
|
| Absence , sample collected Feb 10, 2026 13:30, sampling point TC0003 | Coliform (TCR) |
| Absence , sample collected Feb 10, 2026 13:30, sampling point TC0003 | E. Coli |
|
|
| Absence , sample collected Feb 10, 2026 14:45, sampling point TC0007 | Coliform (TCR) |
| Absence , sample collected Feb 10, 2026 14:45, sampling point TC0007 | E. Coli |
|
|
| Absence , sample collected Jan 27, 2026 14:20, sampling point TC0004 | Coliform (TCR) |
| Absence , sample collected Jan 27, 2026 14:20, sampling point TC0004 | E. Coli |
-
- Collected
- May 4, 2026 13:32
- Sampling point
- TC0010 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-260211-2942
- Laboratory
- MSDH Lab
- Monitoring period
- May 1, 2026 – May 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Apr 1, 2026 13:43
- Sampling point
- TC0001 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-260211-2939
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2026 – Apr 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Apr 1, 2026 13:14
- Sampling point
- TC0003 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-260211-2938
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2026 – Apr 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Apr 1, 2026 12:49
- Sampling point
- TC0007 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-260211-2937
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2026 – Apr 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Apr 1, 2026 12:04
- Sampling point
- TC0009 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-260211-2935
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2026 – Apr 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Apr 1, 2026 12:24
- Sampling point
- TC0010 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-260211-2936
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2026 – Apr 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 9, 2026 14:31
- Sampling point
- TC0003 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-260211-2931
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 9, 2026 13:40
- Sampling point
- TC0007 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-260211-2932
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 9, 2026 13:18
- Sampling point
- TC0009 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-260211-2933
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 9, 2026 12:45
- Sampling point
- TC0010 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-260211-2934
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 23, 2026 13:45
- Sampling point
- TC0004 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-260128-1335
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2026 – Feb 28, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 23, 2026 14:37
- Sampling point
- TC0005 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-260128-1336
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2026 – Feb 28, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 10, 2026 13:30
- Sampling point
- TC0003 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-260128-1334
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2026 – Feb 28, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 10, 2026 14:45
- Sampling point
- TC0007 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-260128-1333
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2026 – Feb 28, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jan 27, 2026 14:20
- Sampling point
- TC0004 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-260128-1332
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2026 – Jan 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli