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
MS0290002 , Dorsey Water Association
5 of 879 results on record were positive for coliform or another organism the agency tests for. The most recent was January 10, 2022.
They fall across 5 of the 687 samples on record.
Every sample on record, October 7, 2003 to July 20, 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 52 samples in this date range, newest first.
Routine (15).
| Result | Organism |
|---|---|
|
|
| Absence , sample collected Jul 20, 2026 13:45, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Jul 20, 2026 13:45, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Jul 20, 2026 13:20, sampling point TC0002 | Coliform (TCR) |
| Absence , sample collected Jul 20, 2026 13:20, sampling point TC0002 | E. Coli |
|
|
| Absence , sample collected Jul 20, 2026 13:00, sampling point TC0003 | Coliform (TCR) |
| Absence , sample collected Jul 20, 2026 13:00, sampling point TC0003 | E. Coli |
|
|
| Absence , sample collected Jun 9, 2026 14:15, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Jun 9, 2026 14:15, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Jun 9, 2026 13:50, sampling point TC0002 | Coliform (TCR) |
| Absence , sample collected Jun 9, 2026 13:50, sampling point TC0002 | E. Coli |
|
|
| Absence , sample collected Jun 9, 2026 13:30, sampling point TC0003 | Coliform (TCR) |
| Absence , sample collected Jun 9, 2026 13:30, sampling point TC0003 | E. Coli |
|
|
| Absence , sample collected May 26, 2026 14:25, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected May 26, 2026 14:25, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected May 18, 2026 15:20, sampling point TC0002 | Coliform (TCR) |
| Absence , sample collected May 18, 2026 15:20, sampling point TC0002 | E. Coli |
|
|
| Absence , sample collected May 18, 2026 14:00, sampling point TC0003 | Coliform (TCR) |
| Absence , sample collected May 18, 2026 14:00, sampling point TC0003 | E. Coli |
|
|
| Absence , sample collected Apr 7, 2026 13:40, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Apr 7, 2026 13:40, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Apr 7, 2026 13:00, sampling point TC0002 | Coliform (TCR) |
| Absence , sample collected Apr 7, 2026 13:00, sampling point TC0002 | E. Coli |
|
|
| Absence , sample collected Apr 7, 2026 13:25, sampling point TC0003 | Coliform (TCR) |
| Absence , sample collected Apr 7, 2026 13:25, sampling point TC0003 | E. Coli |
|
|
| Absence , sample collected Mar 17, 2026 15:30, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Mar 17, 2026 15:30, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Mar 17, 2026 14:45, sampling point TC0002 | Coliform (TCR) |
| Absence , sample collected Mar 17, 2026 14:45, sampling point TC0002 | E. Coli |
|
|
| Absence , sample collected Mar 17, 2026 15:25, sampling point TC0003 | Coliform (TCR) |
| Absence , sample collected Mar 17, 2026 15:25, sampling point TC0003 | E. Coli |
-
- Collected
- Jul 20, 2026 13:45
- Sampling point
- TC0001 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250522-27978
- Laboratory
- MSDH Lab
- Monitoring period
- Jul 1, 2026 – Jul 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jul 20, 2026 13:20
- Sampling point
- TC0002 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-260407-10395
- Laboratory
- MSDH Lab
- Monitoring period
- Jul 1, 2026 – Jul 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jul 20, 2026 13:00
- Sampling point
- TC0003 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-260407-10396
- 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 14:15
- Sampling point
- TC0001 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250522-27981
- 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 13:50
- Sampling point
- TC0002 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250522-27980
- 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 13:30
- Sampling point
- TC0003 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250522-27979
- Laboratory
- MSDH Lab
- Monitoring period
- Jun 1, 2026 – Jun 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- May 26, 2026 14:25
- Sampling point
- TC0001 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250522-27982
- Laboratory
- MSDH Lab
- Monitoring period
- May 1, 2026 – May 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- May 18, 2026 15:20
- Sampling point
- TC0002 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-260407-10394
- Laboratory
- MSDH Lab
- Monitoring period
- May 1, 2026 – May 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- May 18, 2026 14:00
- Sampling point
- TC0003 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-260407-10391
- 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 13:40
- Sampling point
- TC0001 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250522-27986
- 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 13:00
- Sampling point
- TC0002 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250522-27985
- 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 13:25
- Sampling point
- TC0003 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250522-27987
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2026 – Apr 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 17, 2026 15:30
- Sampling point
- TC0001 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250522-27977
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 17, 2026 14:45
- Sampling point
- TC0002 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250522-27976
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 17, 2026 15:25
- Sampling point
- TC0003 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250522-27975
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli