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 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 46–60 of 167 samples in this date range, newest first.
Routine (15).
| Result | Organism |
|---|---|
|
|
| Absence , sample collected Feb 2, 2026 11:00, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Feb 2, 2026 11:00, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Feb 2, 2026 12:06, sampling point TC0004 | Coliform (TCR) |
| Absence , sample collected Feb 2, 2026 12:06, sampling point TC0004 | E. Coli |
|
|
| Absence , sample collected Feb 2, 2026 11:23, sampling point TC0027 | Coliform (TCR) |
| Absence , sample collected Feb 2, 2026 11:23, sampling point TC0027 | E. Coli |
|
|
| Absence , sample collected Feb 2, 2026 11:44, sampling point TC0034 | Coliform (TCR) |
| Absence , sample collected Feb 2, 2026 11:44, sampling point TC0034 | E. Coli |
|
|
| Absence , sample collected Jan 20, 2026 11:45, sampling point TC0004 | Coliform (TCR) |
| Absence , sample collected Jan 20, 2026 11:45, sampling point TC0004 | E. Coli |
|
|
| Absence , sample collected Jan 20, 2026 11:23, sampling point TC0017 | Coliform (TCR) |
| Absence , sample collected Jan 20, 2026 11:23, sampling point TC0017 | E. Coli |
|
|
| Absence , sample collected Jan 20, 2026 12:11, sampling point TC0027 | Coliform (TCR) |
| Absence , sample collected Jan 20, 2026 12:11, sampling point TC0027 | E. Coli |
|
|
| Absence , sample collected Jan 20, 2026 12:37, sampling point TC0033 | Coliform (TCR) |
| Absence , sample collected Jan 20, 2026 12:37, sampling point TC0033 | E. Coli |
|
|
| Absence , sample collected Jan 5, 2026 11:19, sampling point TC0025 | Coliform (TCR) |
| Absence , sample collected Jan 5, 2026 11:19, sampling point TC0025 | E. Coli |
|
|
| Absence , sample collected Jan 5, 2026 12:07, sampling point TC0028 | Coliform (TCR) |
| Absence , sample collected Jan 5, 2026 12:07, sampling point TC0028 | E. Coli |
|
|
| Absence , sample collected Jan 5, 2026 11:42, sampling point TC0031 | Coliform (TCR) |
| Absence , sample collected Jan 5, 2026 11:42, sampling point TC0031 | E. Coli |
|
|
| Absence , sample collected Dec 3, 2025 12:11, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Dec 3, 2025 12:11, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Dec 3, 2025 12:37, sampling point TC0027 | Coliform (TCR) |
| Absence , sample collected Dec 3, 2025 12:37, sampling point TC0027 | E. Coli |
|
|
| Absence , sample collected Dec 3, 2025 12:53, sampling point TC0033 | Coliform (TCR) |
| Absence , sample collected Dec 3, 2025 12:53, sampling point TC0033 | E. Coli |
|
|
| Absence , sample collected Dec 3, 2025 13:18, sampling point TC0035 | Coliform (TCR) |
| Absence , sample collected Dec 3, 2025 13:18, sampling point TC0035 | E. Coli |
-
- Collected
- Feb 2, 2026 11:00
- Sampling point
- TC0001 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-251001-53719
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2026 – Feb 28, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 2, 2026 12:06
- Sampling point
- TC0004 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-251001-53722
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2026 – Feb 28, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 2, 2026 11:23
- Sampling point
- TC0027 No Description
- Sample type
- Routine
- Lab sample
- BACT-251001-53720
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2026 – Feb 28, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 2, 2026 11:44
- Sampling point
- TC0034 No Description
- Sample type
- Routine
- Lab sample
- BACT-251001-53721
- 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 11:45
- Sampling point
- TC0004 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-251001-53716
- 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 11:23
- Sampling point
- TC0017 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-251001-53715
- 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 12:11
- Sampling point
- TC0027 No Description
- Sample type
- Routine
- Lab sample
- BACT-251001-53717
- 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 12:37
- Sampling point
- TC0033 No Description
- Sample type
- Routine
- Lab sample
- BACT-251001-53718
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2026 – Jan 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jan 5, 2026 11:19
- Sampling point
- TC0025 No Description
- Sample type
- Routine
- Lab sample
- BACT-251001-53708
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2026 – Jan 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jan 5, 2026 12:07
- Sampling point
- TC0028 No Description
- Sample type
- Routine
- Lab sample
- BACT-251001-53710
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2026 – Jan 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jan 5, 2026 11:42
- Sampling point
- TC0031 No Description
- Sample type
- Routine
- Lab sample
- BACT-251001-53709
- 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 12:11
- Sampling point
- TC0001 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-251001-53704
- Laboratory
- MSDH Lab
- Monitoring period
- Dec 1, 2025 – Dec 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Dec 3, 2025 12:37
- Sampling point
- TC0027 No Description
- Sample type
- Routine
- Lab sample
- BACT-251001-53705
- Laboratory
- MSDH Lab
- Monitoring period
- Dec 1, 2025 – Dec 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Dec 3, 2025 12:53
- Sampling point
- TC0033 No Description
- Sample type
- Routine
- Lab sample
- BACT-251001-53706
- Laboratory
- MSDH Lab
- Monitoring period
- Dec 1, 2025 – Dec 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Dec 3, 2025 13:18
- Sampling point
- TC0035 No Description
- Sample type
- Routine
- Lab sample
- BACT-251001-53707
- Laboratory
- MSDH Lab
- Monitoring period
- Dec 1, 2025 – Dec 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli