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
MS0710011 , Walker Switch Water Assn
1 of 511 results on record was positive for coliform or another organism the agency tests for. The most recent was September 2, 2020.
They fall across 1 of the 415 samples on record.
Every sample on record, October 14, 2003 to July 20, 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 1–15 of 24 samples in this date range, newest first.
Routine (15).
| Result | Organism |
|---|---|
|
|
| Absence , sample collected Jul 20, 2026 12:50, sampling point TC0008 | Coliform (TCR) |
| Absence , sample collected Jul 20, 2026 12:50, sampling point TC0008 | E. Coli |
|
|
| Absence , sample collected Jun 16, 2026 13:03, sampling point TC0008 | Coliform (TCR) |
| Absence , sample collected Jun 16, 2026 13:03, sampling point TC0008 | E. Coli |
|
|
| Absence , sample collected May 11, 2026 12:36, sampling point TC0008 | Coliform (TCR) |
| Absence , sample collected May 11, 2026 12:36, sampling point TC0008 | E. Coli |
|
|
| Absence , sample collected Apr 13, 2026 12:10, sampling point TC0008 | Coliform (TCR) |
| Absence , sample collected Apr 13, 2026 12:10, sampling point TC0008 | E. Coli |
|
|
| Absence , sample collected Mar 9, 2026 12:58, sampling point TC0008 | Coliform (TCR) |
| Absence , sample collected Mar 9, 2026 12:58, sampling point TC0008 | E. Coli |
|
|
| Absence , sample collected Feb 17, 2026 13:45, sampling point TC0008 | Coliform (TCR) |
| Absence , sample collected Feb 17, 2026 13:45, sampling point TC0008 | E. Coli |
|
|
| Absence , sample collected Jan 20, 2026 12:49, sampling point TC0008 | Coliform (TCR) |
| Absence , sample collected Jan 20, 2026 12:49, sampling point TC0008 | E. Coli |
|
|
| Absence , sample collected Dec 3, 2025 13:47, sampling point TC0008 | Coliform (TCR) |
| Absence , sample collected Dec 3, 2025 13:47, sampling point TC0008 | E. Coli |
|
|
| Absence , sample collected Nov 5, 2025 12:46, sampling point TC0008 | Coliform (TCR) |
| Absence , sample collected Nov 5, 2025 12:46, sampling point TC0008 | E. Coli |
|
|
| Absence , sample collected Oct 22, 2025 13:14, sampling point TC0008 | Coliform (TCR) |
| Absence , sample collected Oct 22, 2025 13:14, sampling point TC0008 | E. Coli |
|
|
| Absence , sample collected Sep 3, 2025 12:37, sampling point TC0002 | Coliform (TCR) |
| Absence , sample collected Sep 3, 2025 12:37, sampling point TC0002 | E. Coli |
|
|
| Absence , sample collected Aug 12, 2025 10:30, sampling point TC0004 | Coliform (TCR) |
| Absence , sample collected Aug 12, 2025 10:30, sampling point TC0004 | E. Coli |
|
|
| Absence , sample collected Jul 8, 2025 08:15, sampling point TC0003 | Coliform (TCR) |
| Absence , sample collected Jul 8, 2025 08:15, sampling point TC0003 | E. Coli |
|
|
| Absence , sample collected Jun 11, 2025 08:45, sampling point TC0002 | Coliform (TCR) |
| Absence , sample collected Jun 11, 2025 08:45, sampling point TC0002 | E. Coli |
|
|
| Absence , sample collected May 7, 2025 11:30, sampling point TC0002 | Coliform (TCR) |
| Absence , sample collected May 7, 2025 11:30, sampling point TC0002 | E. Coli |
-
- Collected
- Jul 20, 2026 12:50
- Sampling point
- TC0008 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250703-35213
- Laboratory
- MSDH Lab
- Monitoring period
- Jul 1, 2026 – Jul 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jun 16, 2026 13:03
- Sampling point
- TC0008 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250703-35212
- Laboratory
- MSDH Lab
- Monitoring period
- Jun 1, 2026 – Jun 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- May 11, 2026 12:36
- Sampling point
- TC0008 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250703-35211
- Laboratory
- MSDH Lab
- Monitoring period
- May 1, 2026 – May 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Apr 13, 2026 12:10
- Sampling point
- TC0008 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250703-35210
- 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 12:58
- Sampling point
- TC0008 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250703-35207
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 17, 2026 13:45
- Sampling point
- TC0008 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250703-35206
- 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 12:49
- Sampling point
- TC0008 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250703-35204
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2026 – Jan 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Dec 3, 2025 13:47
- Sampling point
- TC0008 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250703-35203
- Laboratory
- MSDH Lab
- Monitoring period
- Dec 1, 2025 – Dec 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Nov 5, 2025 12:46
- Sampling point
- TC0008 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250703-35202
- Laboratory
- MSDH Lab
- Monitoring period
- Nov 1, 2025 – Nov 30, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Oct 22, 2025 13:14
- Sampling point
- TC0008 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250703-35201
- Laboratory
- MSDH Lab
- Monitoring period
- Oct 1, 2025 – Oct 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Sep 3, 2025 12:37
- Sampling point
- TC0002 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250703-35200
- Laboratory
- MSDH Lab
- Monitoring period
- Sep 1, 2025 – Sep 30, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Aug 12, 2025 10:30
- Sampling point
- TC0004 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250703-35199
- Laboratory
- MSDH Lab
- Monitoring period
- Aug 1, 2025 – Aug 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jul 8, 2025 08:15
- Sampling point
- TC0003 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-221211-41040
- Laboratory
- MSDH Lab
- Monitoring period
- Jul 1, 2025 – Jul 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jun 11, 2025 08:45
- Sampling point
- TC0002 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-221211-41039
- Laboratory
- MSDH Lab
- Monitoring period
- Jun 1, 2025 – Jun 30, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- May 7, 2025 11:30
- Sampling point
- TC0002 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-221211-41038
- Laboratory
- MSDH Lab
- Monitoring period
- May 1, 2025 – May 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli