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
MS0590002 , Big V Water Association
3 of 1,729 results on record were positive for coliform or another organism the agency tests for. The most recent was May 13, 2021.
They fall across 3 of the 1,378 samples on record.
Every sample on record, October 2, 2003 to July 22, 2026. These figures cover the whole record; the list of samples further down is narrowed.
The most recent samples
Showing samples collected between September 26, 2024 and September 26, 2026. That is this page’s default, not a limit on what the agency records.
Choose a date range
The list below shows 1–15 of 88 samples in this date range, newest first.
Routine (15).
| Result | Organism |
|---|---|
|
|
| Absence , sample collected Jul 22, 2026 13:00, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Jul 22, 2026 13:00, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Jul 22, 2026 13:20, sampling point TC0002 | Coliform (TCR) |
| Absence , sample collected Jul 22, 2026 13:20, sampling point TC0002 | E. Coli |
|
|
| Absence , sample collected Jul 22, 2026 13:45, sampling point TC0003 | Coliform (TCR) |
| Absence , sample collected Jul 22, 2026 13:45, sampling point TC0003 | E. Coli |
|
|
| Absence , sample collected Jul 22, 2026 14:05, sampling point TC0004 | Coliform (TCR) |
| Absence , sample collected Jul 22, 2026 14:05, sampling point TC0004 | E. Coli |
|
|
| Absence , sample collected Jun 15, 2026 08:00, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Jun 15, 2026 08:00, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Jun 15, 2026 08:18, sampling point TC0002 | Coliform (TCR) |
| Absence , sample collected Jun 15, 2026 08:18, sampling point TC0002 | E. Coli |
|
|
| Absence , sample collected Jun 15, 2026 08:35, sampling point TC0003 | Coliform (TCR) |
| Absence , sample collected Jun 15, 2026 08:35, sampling point TC0003 | E. Coli |
|
|
| Absence , sample collected Jun 15, 2026 09:15, sampling point TC0004 | Coliform (TCR) |
| Absence , sample collected Jun 15, 2026 09:15, sampling point TC0004 | E. Coli |
|
|
| Absence , sample collected May 4, 2026 08:00, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected May 4, 2026 08:00, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected May 4, 2026 08:20, sampling point TC0002 | Coliform (TCR) |
| Absence , sample collected May 4, 2026 08:20, sampling point TC0002 | E. Coli |
|
|
| Absence , sample collected May 4, 2026 08:40, sampling point TC0003 | Coliform (TCR) |
| Absence , sample collected May 4, 2026 08:40, sampling point TC0003 | E. Coli |
|
|
| Absence , sample collected May 4, 2026 09:05, sampling point TC0004 | Coliform (TCR) |
| Absence , sample collected May 4, 2026 09:05, sampling point TC0004 | E. Coli |
|
|
| Absence , sample collected Apr 22, 2026 08:00, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Apr 22, 2026 08:00, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Apr 22, 2026 08:25, sampling point TC0002 | Coliform (TCR) |
| Absence , sample collected Apr 22, 2026 08:25, sampling point TC0002 | E. Coli |
|
|
| Absence , sample collected Apr 22, 2026 08:36, sampling point TC0003 | Coliform (TCR) |
| Absence , sample collected Apr 22, 2026 08:36, sampling point TC0003 | E. Coli |
-
- Collected
- Jul 22, 2026 13:00
- Sampling point
- TC0001 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-260423-12787
- Laboratory
- MSDH Lab
- Monitoring period
- Jul 1, 2026 – Jul 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jul 22, 2026 13:20
- Sampling point
- TC0002 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-260423-12789
- Laboratory
- MSDH Lab
- Monitoring period
- Jul 1, 2026 – Jul 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jul 22, 2026 13:45
- Sampling point
- TC0003 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-260423-12790
- Laboratory
- MSDH Lab
- Monitoring period
- Jul 1, 2026 – Jul 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jul 22, 2026 14:05
- Sampling point
- TC0004 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-260423-12801
- Laboratory
- MSDH Lab
- Monitoring period
- Jul 1, 2026 – Jul 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jun 15, 2026 08:00
- Sampling point
- TC0001 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-260423-12784
- Laboratory
- MSDH Lab
- Monitoring period
- Jun 1, 2026 – Jun 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jun 15, 2026 08:18
- Sampling point
- TC0002 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-260423-12783
- Laboratory
- MSDH Lab
- Monitoring period
- Jun 1, 2026 – Jun 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jun 15, 2026 08:35
- Sampling point
- TC0003 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-260423-12785
- Laboratory
- MSDH Lab
- Monitoring period
- Jun 1, 2026 – Jun 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jun 15, 2026 09:15
- Sampling point
- TC0004 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-260423-12786
- Laboratory
- MSDH Lab
- Monitoring period
- Jun 1, 2026 – Jun 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- May 4, 2026 08:00
- Sampling point
- TC0001 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-260423-12707
- Laboratory
- MSDH Lab
- Monitoring period
- May 1, 2026 – May 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- May 4, 2026 08:20
- Sampling point
- TC0002 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-260423-12708
- Laboratory
- MSDH Lab
- Monitoring period
- May 1, 2026 – May 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- May 4, 2026 08:40
- Sampling point
- TC0003 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-260423-12705
- Laboratory
- MSDH Lab
- Monitoring period
- May 1, 2026 – May 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- May 4, 2026 09:05
- Sampling point
- TC0004 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-260423-12706
- Laboratory
- MSDH Lab
- Monitoring period
- May 1, 2026 – May 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Apr 22, 2026 08:00
- Sampling point
- TC0001 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-260423-12701
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2026 – Apr 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Apr 22, 2026 08:25
- Sampling point
- TC0002 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-260423-12704
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2026 – Apr 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Apr 22, 2026 08:36
- Sampling point
- TC0003 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-260423-12703
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2026 – Apr 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli