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
MS0370001 , Arnold Line Water Association
9 of 2,568 results on record were positive for coliform or another organism the agency tests for. The most recent was January 13, 2025.
They fall across 9 of the 1,950 samples on record.
Every sample on record, October 15, 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 1–15 of 167 samples in this date range, newest first.
Routine (15).
| Result | Organism |
|---|---|
|
|
| Absence , sample collected Aug 5, 2026 11:10, sampling point TC0025 | Coliform (TCR) |
| Absence , sample collected Aug 5, 2026 11:10, sampling point TC0025 | E. Coli |
|
|
| Absence , sample collected Aug 5, 2026 12:23, sampling point TC0028 | Coliform (TCR) |
| Absence , sample collected Aug 5, 2026 12:23, sampling point TC0028 | E. Coli |
|
|
| Absence , sample collected Aug 5, 2026 11:30, sampling point TC0031 | Coliform (TCR) |
| Absence , sample collected Aug 5, 2026 11:30, sampling point TC0031 | E. Coli |
|
|
| Absence , sample collected Aug 4, 2026 11:45, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Aug 4, 2026 11:45, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Aug 4, 2026 12:30, sampling point TC0004 | Coliform (TCR) |
| Absence , sample collected Aug 4, 2026 12:30, sampling point TC0004 | E. Coli |
|
|
| Absence , sample collected Aug 4, 2026 12:06, sampling point TC0027 | Coliform (TCR) |
| Absence , sample collected Aug 4, 2026 12:06, sampling point TC0027 | E. Coli |
|
|
| Absence , sample collected Aug 4, 2026 12:48, sampling point TC0034 | Coliform (TCR) |
| Absence , sample collected Aug 4, 2026 12:48, sampling point TC0034 | E. Coli |
|
|
| Absence , sample collected Jul 15, 2026 11:03, sampling point TC0003 | Coliform (TCR) |
| Absence , sample collected Jul 15, 2026 11:03, sampling point TC0003 | E. Coli |
|
|
| Absence , sample collected Jul 15, 2026 12:04, sampling point TC0025 | Coliform (TCR) |
| Absence , sample collected Jul 15, 2026 12:04, sampling point TC0025 | E. Coli |
|
|
| Absence , sample collected Jul 15, 2026 11:47, sampling point TC0031 | Coliform (TCR) |
| Absence , sample collected Jul 15, 2026 11:47, sampling point TC0031 | E. Coli |
|
|
| Absence , sample collected Jul 15, 2026 11:30, sampling point TC0033 | Coliform (TCR) |
| Absence , sample collected Jul 15, 2026 11:30, sampling point TC0033 | E. Coli |
|
|
| Absence , sample collected Jul 8, 2026 11:54, sampling point TC0004 | Coliform (TCR) |
| Absence , sample collected Jul 8, 2026 11:54, sampling point TC0004 | E. Coli |
|
|
| Absence , sample collected Jul 8, 2026 11:31, sampling point TC0027 | Coliform (TCR) |
| Absence , sample collected Jul 8, 2026 11:31, sampling point TC0027 | E. Coli |
|
|
| Absence , sample collected Jul 8, 2026 12:26, sampling point TC0034 | Coliform (TCR) |
| Absence , sample collected Jul 8, 2026 12:26, sampling point TC0034 | E. Coli |
|
|
| Absence , sample collected Jun 8, 2026 12:46, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Jun 8, 2026 12:46, sampling point TC0001 | E. Coli |
-
- Collected
- Aug 5, 2026 11:10
- Sampling point
- TC0025 No Description
- Sample type
- Routine
- Lab sample
- BACT-251001-53665
- Laboratory
- MSDH Lab
- Monitoring period
- Aug 1, 2026 – Aug 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Aug 5, 2026 12:23
- Sampling point
- TC0028 No Description
- Sample type
- Routine
- Lab sample
- BACT-251001-53677
- Laboratory
- MSDH Lab
- Monitoring period
- Aug 1, 2026 – Aug 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Aug 5, 2026 11:30
- Sampling point
- TC0031 No Description
- Sample type
- Routine
- Lab sample
- BACT-251001-53666
- Laboratory
- MSDH Lab
- Monitoring period
- Aug 1, 2026 – Aug 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Aug 4, 2026 11:45
- Sampling point
- TC0001 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-251001-53661
- Laboratory
- MSDH Lab
- Monitoring period
- Aug 1, 2026 – Aug 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Aug 4, 2026 12:30
- Sampling point
- TC0004 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-251001-53663
- Laboratory
- MSDH Lab
- Monitoring period
- Aug 1, 2026 – Aug 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Aug 4, 2026 12:06
- Sampling point
- TC0027 No Description
- Sample type
- Routine
- Lab sample
- BACT-251001-53662
- Laboratory
- MSDH Lab
- Monitoring period
- Aug 1, 2026 – Aug 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Aug 4, 2026 12:48
- Sampling point
- TC0034 No Description
- Sample type
- Routine
- Lab sample
- BACT-251001-53664
- Laboratory
- MSDH Lab
- Monitoring period
- Aug 1, 2026 – Aug 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jul 15, 2026 11:03
- Sampling point
- TC0003 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-251001-53657
- Laboratory
- MSDH Lab
- Monitoring period
- Jul 1, 2026 – Jul 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jul 15, 2026 12:04
- Sampling point
- TC0025 No Description
- Sample type
- Routine
- Lab sample
- BACT-251001-53660
- Laboratory
- MSDH Lab
- Monitoring period
- Jul 1, 2026 – Jul 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jul 15, 2026 11:47
- Sampling point
- TC0031 No Description
- Sample type
- Routine
- Lab sample
- BACT-251001-53659
- Laboratory
- MSDH Lab
- Monitoring period
- Jul 1, 2026 – Jul 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jul 15, 2026 11:30
- Sampling point
- TC0033 No Description
- Sample type
- Routine
- Lab sample
- BACT-251001-53658
- Laboratory
- MSDH Lab
- Monitoring period
- Jul 1, 2026 – Jul 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jul 8, 2026 11:54
- Sampling point
- TC0004 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-251001-53655
- Laboratory
- MSDH Lab
- Monitoring period
- Jul 1, 2026 – Jul 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jul 8, 2026 11:31
- Sampling point
- TC0027 No Description
- Sample type
- Routine
- Lab sample
- BACT-251001-53654
- Laboratory
- MSDH Lab
- Monitoring period
- Jul 1, 2026 – Jul 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jul 8, 2026 12:26
- Sampling point
- TC0034 No Description
- Sample type
- Routine
- Lab sample
- BACT-251001-53656
- 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 12:46
- Sampling point
- TC0001 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-251001-53651
- Laboratory
- MSDH Lab
- Monitoring period
- Jun 1, 2026 – Jun 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli