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
MS0170019 , Walls Water Association
3 of 858 results on record were positive for coliform or another organism the agency tests for. The most recent was June 17, 2013.
They fall across 3 of the 594 samples on record.
Every sample on record, October 7, 2003 to August 12, 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 69 samples in this date range, newest first.
Routine (15).
| Result | Organism |
|---|---|
|
|
| Absence , sample collected Aug 12, 2026 10:52, sampling point TC0003 | Coliform (TCR) |
| Absence , sample collected Aug 12, 2026 10:52, sampling point TC0003 | E. Coli |
|
|
| Absence , sample collected Aug 12, 2026 11:10, sampling point TC0006 | Coliform (TCR) |
| Absence , sample collected Aug 12, 2026 11:10, sampling point TC0006 | E. Coli |
|
|
| Absence , sample collected Aug 12, 2026 10:36, sampling point TC0010 | Coliform (TCR) |
| Absence , sample collected Aug 12, 2026 10:36, sampling point TC0010 | E. Coli |
|
|
| Absence , sample collected Jul 6, 2026 11:16, sampling point TC0003 | Coliform (TCR) |
| Absence , sample collected Jul 6, 2026 11:16, sampling point TC0003 | E. Coli |
|
|
| Absence , sample collected Jul 6, 2026 10:59, sampling point TC0006 | Coliform (TCR) |
| Absence , sample collected Jul 6, 2026 10:59, sampling point TC0006 | E. Coli |
|
|
| Absence , sample collected Jul 6, 2026 11:39, sampling point TC0010 | Coliform (TCR) |
| Absence , sample collected Jul 6, 2026 11:39, sampling point TC0010 | E. Coli |
|
|
| Absence , sample collected Jun 8, 2026 11:10, sampling point TC0006 | Coliform (TCR) |
| Absence , sample collected Jun 8, 2026 11:10, sampling point TC0006 | E. Coli |
|
|
| Absence , sample collected Jun 8, 2026 10:33, sampling point TC0010 | Coliform (TCR) |
| Absence , sample collected Jun 8, 2026 10:33, sampling point TC0010 | E. Coli |
|
|
| Absence , sample collected Jun 8, 2026 10:49, sampling point TC0011 | Coliform (TCR) |
| Absence , sample collected Jun 8, 2026 10:49, sampling point TC0011 | E. Coli |
|
|
| Absence , sample collected May 11, 2026 10:53, sampling point TC0006 | Coliform (TCR) |
| Absence , sample collected May 11, 2026 10:53, sampling point TC0006 | E. Coli |
|
|
| Absence , sample collected May 11, 2026 10:30, sampling point TC0010 | Coliform (TCR) |
| Absence , sample collected May 11, 2026 10:30, sampling point TC0010 | E. Coli |
|
|
| Absence , sample collected May 11, 2026 10:10, sampling point TC0011 | Coliform (TCR) |
| Absence , sample collected May 11, 2026 10:10, sampling point TC0011 | E. Coli |
|
|
| Absence , sample collected Apr 6, 2026 10:41, sampling point TC0003 | Coliform (TCR) |
| Absence , sample collected Apr 6, 2026 10:41, sampling point TC0003 | E. Coli |
|
|
| Absence , sample collected Apr 6, 2026 10:15, sampling point TC0006 | Coliform (TCR) |
| Absence , sample collected Apr 6, 2026 10:15, sampling point TC0006 | E. Coli |
|
|
| Absence , sample collected Apr 6, 2026 10:31, sampling point TC0010 | Coliform (TCR) |
| Absence , sample collected Apr 6, 2026 10:31, sampling point TC0010 | E. Coli |
-
- Collected
- Aug 12, 2026 10:52
- Sampling point
- TC0003 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-251117-59574
- Laboratory
- MSDH Lab
- Monitoring period
- Aug 1, 2026 – Aug 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Aug 12, 2026 11:10
- Sampling point
- TC0006 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-251117-59573
- Laboratory
- MSDH Lab
- Monitoring period
- Aug 1, 2026 – Aug 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Aug 12, 2026 10:36
- Sampling point
- TC0010 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-251117-59575
- Laboratory
- MSDH Lab
- Monitoring period
- Aug 1, 2026 – Aug 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jul 6, 2026 11:16
- Sampling point
- TC0003 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-251117-59571
- Laboratory
- MSDH Lab
- Monitoring period
- Jul 1, 2026 – Jul 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jul 6, 2026 10:59
- Sampling point
- TC0006 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-251117-59570
- Laboratory
- MSDH Lab
- Monitoring period
- Jul 1, 2026 – Jul 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jul 6, 2026 11:39
- Sampling point
- TC0010 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-251117-59572
- Laboratory
- MSDH Lab
- Monitoring period
- Jul 1, 2026 – Jul 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jun 8, 2026 11:10
- Sampling point
- TC0006 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-251117-59567
- Laboratory
- MSDH Lab
- Monitoring period
- Jun 1, 2026 – Jun 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jun 8, 2026 10:33
- Sampling point
- TC0010 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-251117-59569
- Laboratory
- MSDH Lab
- Monitoring period
- Jun 1, 2026 – Jun 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jun 8, 2026 10:49
- Sampling point
- TC0011 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-251117-59568
- 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 10:53
- Sampling point
- TC0006 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-251117-59566
- Laboratory
- MSDH Lab
- Monitoring period
- May 1, 2026 – May 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- May 11, 2026 10:30
- Sampling point
- TC0010 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-251117-59565
- Laboratory
- MSDH Lab
- Monitoring period
- May 1, 2026 – May 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- May 11, 2026 10:10
- Sampling point
- TC0011 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-251117-59564
- Laboratory
- MSDH Lab
- Monitoring period
- May 1, 2026 – May 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Apr 6, 2026 10:41
- Sampling point
- TC0003 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-251117-59563
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2026 – Apr 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Apr 6, 2026 10:15
- Sampling point
- TC0006 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-251117-59561
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2026 – Apr 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Apr 6, 2026 10:31
- Sampling point
- TC0010 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-251117-59562
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2026 – Apr 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli