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
MS0580010 , Troy Water Association
4 of 750 results on record were positive for coliform or another organism the agency tests for. The most recent was May 21, 2019.
They fall across 4 of the 573 samples on record.
Every sample on record, October 6, 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 46 samples in this date range, newest first.
Routine (15).
| Result | Organism |
|---|---|
|
|
| Absence , sample collected Aug 5, 2026 15:30, sampling point TC0003 | Coliform (TCR) |
| Absence , sample collected Aug 5, 2026 15:30, sampling point TC0003 | E. Coli |
|
|
| Absence , sample collected Aug 5, 2026 16:00, sampling point TC0008 | Coliform (TCR) |
| Absence , sample collected Aug 5, 2026 16:00, sampling point TC0008 | E. Coli |
|
|
| Absence , sample collected Jul 6, 2026 14:55, sampling point TC0003 | Coliform (TCR) |
| Absence , sample collected Jul 6, 2026 14:55, sampling point TC0003 | E. Coli |
|
|
| Absence , sample collected Jul 6, 2026 15:10, sampling point TC0008 | Coliform (TCR) |
| Absence , sample collected Jul 6, 2026 15:10, sampling point TC0008 | E. Coli |
|
|
| Absence , sample collected Jun 9, 2026 15:05, sampling point TC0003 | Coliform (TCR) |
| Absence , sample collected Jun 9, 2026 15:05, sampling point TC0003 | E. Coli |
|
|
| Absence , sample collected Jun 9, 2026 15:25, sampling point TC0008 | Coliform (TCR) |
| Absence , sample collected Jun 9, 2026 15:25, sampling point TC0008 | E. Coli |
|
|
| Absence , sample collected May 11, 2026 13:30, sampling point TC0003 | Coliform (TCR) |
| Absence , sample collected May 11, 2026 13:30, sampling point TC0003 | E. Coli |
|
|
| Absence , sample collected May 11, 2026 13:50, sampling point TC0008 | Coliform (TCR) |
| Absence , sample collected May 11, 2026 13:50, sampling point TC0008 | E. Coli |
|
|
| Absence , sample collected Apr 7, 2026 13:45, sampling point TC0003 | Coliform (TCR) |
| Absence , sample collected Apr 7, 2026 13:45, sampling point TC0003 | E. Coli |
|
|
| Absence , sample collected Apr 7, 2026 14:05, sampling point TC0008 | Coliform (TCR) |
| Absence , sample collected Apr 7, 2026 14:05, sampling point TC0008 | E. Coli |
|
|
| Absence , sample collected Mar 16, 2026 15:05, sampling point TC0003 | Coliform (TCR) |
| Absence , sample collected Mar 16, 2026 15:05, sampling point TC0003 | E. Coli |
|
|
| Absence , sample collected Mar 16, 2026 15:20, sampling point TC0008 | Coliform (TCR) |
| Absence , sample collected Mar 16, 2026 15:20, sampling point TC0008 | E. Coli |
|
|
| Absence , sample collected Feb 4, 2026 13:30, sampling point TC0003 | Coliform (TCR) |
| Absence , sample collected Feb 4, 2026 13:30, sampling point TC0003 | E. Coli |
|
|
| Absence , sample collected Feb 4, 2026 13:50, sampling point TC0008 | Coliform (TCR) |
| Absence , sample collected Feb 4, 2026 13:50, sampling point TC0008 | E. Coli |
|
|
| Absence , sample collected Jan 6, 2026 13:05, sampling point TC0003 | Coliform (TCR) |
| Absence , sample collected Jan 6, 2026 13:05, sampling point TC0003 | E. Coli |
-
- Collected
- Aug 5, 2026 15:30
- Sampling point
- TC0003 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250730-38442
- 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 16:00
- Sampling point
- TC0008 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250730-38443
- 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 14:55
- Sampling point
- TC0003 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250730-38436
- 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 15:10
- Sampling point
- TC0008 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250730-38437
- Laboratory
- MSDH Lab
- Monitoring period
- Jul 1, 2026 – Jul 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jun 9, 2026 15:05
- Sampling point
- TC0003 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250730-38428
- Laboratory
- MSDH Lab
- Monitoring period
- Jun 1, 2026 – Jun 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jun 9, 2026 15:25
- Sampling point
- TC0008 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250730-38429
- 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 13:30
- Sampling point
- TC0003 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250730-38426
- 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 13:50
- Sampling point
- TC0008 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250730-38427
- Laboratory
- MSDH Lab
- Monitoring period
- May 1, 2026 – May 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Apr 7, 2026 13:45
- Sampling point
- TC0003 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250730-38424
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2026 – Apr 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Apr 7, 2026 14:05
- Sampling point
- TC0008 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250730-38425
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2026 – Apr 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 16, 2026 15:05
- Sampling point
- TC0003 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250730-38422
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 16, 2026 15:20
- Sampling point
- TC0008 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250730-38423
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 4, 2026 13:30
- Sampling point
- TC0003 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250730-38418
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2026 – Feb 28, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 4, 2026 13:50
- Sampling point
- TC0008 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250730-38419
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2026 – Feb 28, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jan 6, 2026 13:05
- Sampling point
- TC0003 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250730-38410
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2026 – Jan 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli