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 16–30 of 88 samples in this date range, newest first.
Routine (15).
| Result | Organism |
|---|---|
|
|
| Absence , sample collected Apr 22, 2026 09:12, sampling point TC0004 | Coliform (TCR) |
| Absence , sample collected Apr 22, 2026 09:12, sampling point TC0004 | E. Coli |
|
|
| Absence , sample collected Mar 2, 2026 08:00, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Mar 2, 2026 08:00, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Mar 2, 2026 08:20, sampling point TC0002 | Coliform (TCR) |
| Absence , sample collected Mar 2, 2026 08:20, sampling point TC0002 | E. Coli |
|
|
| Absence , sample collected Mar 2, 2026 08:42, sampling point TC0003 | Coliform (TCR) |
| Absence , sample collected Mar 2, 2026 08:42, sampling point TC0003 | E. Coli |
|
|
| Absence , sample collected Mar 2, 2026 09:05, sampling point TC0004 | Coliform (TCR) |
| Absence , sample collected Mar 2, 2026 09:05, sampling point TC0004 | E. Coli |
|
|
| Absence , sample collected Feb 11, 2026 09:00, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Feb 11, 2026 09:00, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Feb 11, 2026 09:15, sampling point TC0002 | Coliform (TCR) |
| Absence , sample collected Feb 11, 2026 09:15, sampling point TC0002 | E. Coli |
|
|
| Absence , sample collected Feb 11, 2026 09:35, sampling point TC0003 | Coliform (TCR) |
| Absence , sample collected Feb 11, 2026 09:35, sampling point TC0003 | E. Coli |
|
|
| Absence , sample collected Feb 11, 2026 09:50, sampling point TC0004 | Coliform (TCR) |
| Absence , sample collected Feb 11, 2026 09:50, sampling point TC0004 | E. Coli |
|
|
| Absence , sample collected Jan 20, 2026 08:00, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Jan 20, 2026 08:00, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Jan 20, 2026 08:20, sampling point TC0002 | Coliform (TCR) |
| Absence , sample collected Jan 20, 2026 08:20, sampling point TC0002 | E. Coli |
|
|
| Absence , sample collected Jan 20, 2026 08:45, sampling point TC0003 | Coliform (TCR) |
| Absence , sample collected Jan 20, 2026 08:45, sampling point TC0003 | E. Coli |
|
|
| Absence , sample collected Jan 20, 2026 09:15, sampling point TC0004 | Coliform (TCR) |
| Absence , sample collected Jan 20, 2026 09:15, sampling point TC0004 | E. Coli |
|
|
| Absence , sample collected Dec 15, 2025 10:10, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Dec 15, 2025 10:10, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Dec 15, 2025 10:10, sampling point TC0002 | Coliform (TCR) |
| Absence , sample collected Dec 15, 2025 10:10, sampling point TC0002 | E. Coli |
-
- Collected
- Apr 22, 2026 09:12
- Sampling point
- TC0004 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-260423-12702
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2026 – Apr 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 2, 2026 08:00
- Sampling point
- TC0001 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-191107-85757
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 2, 2026 08:20
- Sampling point
- TC0002 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-191107-85758
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 2, 2026 08:42
- Sampling point
- TC0003 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-191107-85756
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 2, 2026 09:05
- Sampling point
- TC0004 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-191107-85759
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 11, 2026 09:00
- Sampling point
- TC0001 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-240812-33802
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2026 – Feb 28, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 11, 2026 09:15
- Sampling point
- TC0002 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-240812-33803
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2026 – Feb 28, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 11, 2026 09:35
- Sampling point
- TC0003 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-240812-33814
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2026 – Feb 28, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 11, 2026 09:50
- Sampling point
- TC0004 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-240812-33815
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2026 – Feb 28, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jan 20, 2026 08:00
- Sampling point
- TC0001 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-240812-33808
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2026 – Jan 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jan 20, 2026 08:20
- Sampling point
- TC0002 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-240812-33809
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2026 – Jan 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jan 20, 2026 08:45
- Sampling point
- TC0003 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-240812-33810
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2026 – Jan 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jan 20, 2026 09:15
- Sampling point
- TC0004 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-240812-33811
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2026 – Jan 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Dec 15, 2025 10:10
- Sampling point
- TC0001 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-240812-33804
- Laboratory
- MSDH Lab
- Monitoring period
- Dec 1, 2025 – Dec 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Dec 15, 2025 10:10
- Sampling point
- TC0002 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-240812-33805
- Laboratory
- MSDH Lab
- Monitoring period
- Dec 1, 2025 – Dec 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli