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
MS0340004 , Erata Water Association
1 of 373 results on record was positive for coliform or another organism the agency tests for. The most recent was June 3, 2019.
They fall across 1 of the 282 samples on record.
Every sample on record, October 7, 2003 to July 6, 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 16–22 of 22 samples in this date range, newest first.
Routine (7).
| Result | Organism |
|---|---|
|
|
| Absence , sample collected Apr 1, 2025 12:15, sampling point DS000 | Coliform (TCR) |
| Absence , sample collected Apr 1, 2025 12:15, sampling point DS000 | E. Coli |
|
|
| Absence , sample collected Mar 3, 2025 11:20, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Mar 3, 2025 11:20, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Feb 3, 2025 11:10, sampling point TC0005 | Coliform (TCR) |
| Absence , sample collected Feb 3, 2025 11:10, sampling point TC0005 | E. Coli |
|
|
| Absence , sample collected Jan 7, 2025 11:20, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Jan 7, 2025 11:20, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Dec 2, 2024 13:00, sampling point TC0005 | Coliform (TCR) |
| Absence , sample collected Dec 2, 2024 13:00, sampling point TC0005 | E. Coli |
|
|
| Absence , sample collected Nov 4, 2024 11:00, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Nov 4, 2024 11:00, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Oct 2, 2024 11:30, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Oct 2, 2024 11:30, sampling point TC0001 | E. Coli |
-
- Collected
- Apr 1, 2025 12:15
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- BACT-240925-40318
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2025 – Apr 30, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 3, 2025 11:20
- Sampling point
- TC0001
- Sample type
- Routine
- Lab sample
- BACT-240925-40317
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2025 – Mar 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 3, 2025 11:10
- Sampling point
- TC0005
- Sample type
- Routine
- Lab sample
- BACT-240925-40316
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2025 – Feb 28, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jan 7, 2025 11:20
- Sampling point
- TC0001
- Sample type
- Routine
- Lab sample
- BACT-210106-520
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2025 – Jan 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Dec 2, 2024 13:00
- Sampling point
- TC0005
- Sample type
- Routine
- Lab sample
- BACT-210106-519
- Laboratory
- MSDH Lab
- Monitoring period
- Dec 1, 2024 – Dec 31, 2024
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Nov 4, 2024 11:00
- Sampling point
- TC0001
- Sample type
- Routine
- Lab sample
- BACT-210106-518
- Laboratory
- MSDH Lab
- Monitoring period
- Nov 1, 2024 – Nov 30, 2024
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Oct 2, 2024 11:30
- Sampling point
- TC0001
- Sample type
- Routine
- Lab sample
- BACT-240925-40315
- Laboratory
- MSDH Lab
- Monitoring period
- Oct 1, 2024 – Oct 31, 2024
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli