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
MS0710003 , Dennis Water Association
1 of 1,280 results on record was positive for coliform or another organism the agency tests for. The most recent was October 5, 2015.
They fall across 1 of the 964 samples on record.
Every sample on record, November 3, 2003 to August 4, 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 61–75 of 92 samples in this date range, newest first.
Routine (15).
| Result | Organism |
|---|---|
|
|
| Absence , sample collected May 7, 2025 13:40, sampling point TC0003 | Coliform (TCR) |
| Absence , sample collected May 7, 2025 13:40, sampling point TC0003 | E. Coli |
|
|
| Absence , sample collected May 7, 2025 12:50, sampling point TC0010 | Coliform (TCR) |
| Absence , sample collected May 7, 2025 12:50, sampling point TC0010 | E. Coli |
|
|
| Absence , sample collected May 7, 2025 13:10, sampling point TC0016 | Coliform (TCR) |
| Absence , sample collected May 7, 2025 13:10, sampling point TC0016 | E. Coli |
|
|
| Absence , sample collected May 7, 2025 13:25, sampling point TC0023 | Coliform (TCR) |
| Absence , sample collected May 7, 2025 13:25, sampling point TC0023 | E. Coli |
|
|
| Absence , sample collected Apr 1, 2025 12:45, sampling point TC0007 | Coliform (TCR) |
| Absence , sample collected Apr 1, 2025 12:45, sampling point TC0007 | E. Coli |
|
|
| Absence , sample collected Apr 1, 2025 12:30, sampling point TC0008 | Coliform (TCR) |
| Absence , sample collected Apr 1, 2025 12:30, sampling point TC0008 | E. Coli |
|
|
| Absence , sample collected Apr 1, 2025 13:45, sampling point TC0019 | Coliform (TCR) |
| Absence , sample collected Apr 1, 2025 13:45, sampling point TC0019 | E. Coli |
|
|
| Absence , sample collected Apr 1, 2025 13:15, sampling point TC0025 | Coliform (TCR) |
| Absence , sample collected Apr 1, 2025 13:15, sampling point TC0025 | E. Coli |
|
|
| Absence , sample collected Mar 5, 2025 14:10, sampling point TC0004 | Coliform (TCR) |
| Absence , sample collected Mar 5, 2025 14:10, sampling point TC0004 | E. Coli |
|
|
| Absence , sample collected Mar 5, 2025 13:55, sampling point TC0005 | Coliform (TCR) |
| Absence , sample collected Mar 5, 2025 13:55, sampling point TC0005 | E. Coli |
|
|
| Absence , sample collected Mar 5, 2025 13:00, sampling point TC0010 | Coliform (TCR) |
| Absence , sample collected Mar 5, 2025 13:00, sampling point TC0010 | E. Coli |
|
|
| Absence , sample collected Mar 5, 2025 13:40, sampling point TC0016 | Coliform (TCR) |
| Absence , sample collected Mar 5, 2025 13:40, sampling point TC0016 | E. Coli |
|
|
| Absence , sample collected Feb 18, 2025 13:35, sampling point TC0003 | Coliform (TCR) |
| Absence , sample collected Feb 18, 2025 13:35, sampling point TC0003 | E. Coli |
|
|
| Absence , sample collected Feb 18, 2025 12:50, sampling point TC0007 | Coliform (TCR) |
| Absence , sample collected Feb 18, 2025 12:50, sampling point TC0007 | E. Coli |
|
|
| Absence , sample collected Feb 18, 2025 12:30, sampling point TC0008 | Coliform (TCR) |
| Absence , sample collected Feb 18, 2025 12:30, sampling point TC0008 | E. Coli |
-
- Collected
- May 7, 2025 13:40
- Sampling point
- TC0003 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250328-17367
- Laboratory
- MSDH Lab
- Monitoring period
- May 1, 2025 – May 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- May 7, 2025 12:50
- Sampling point
- TC0010 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-241203-42803
- Laboratory
- MSDH Lab
- Monitoring period
- May 1, 2025 – May 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- May 7, 2025 13:10
- Sampling point
- TC0016 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250328-17365
- Laboratory
- MSDH Lab
- Monitoring period
- May 1, 2025 – May 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- May 7, 2025 13:25
- Sampling point
- TC0023 No Description
- Sample type
- Routine
- Lab sample
- BACT-250328-17366
- Laboratory
- MSDH Lab
- Monitoring period
- May 1, 2025 – May 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Apr 1, 2025 12:45
- Sampling point
- TC0007 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-241203-42800
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2025 – Apr 30, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Apr 1, 2025 12:30
- Sampling point
- TC0008 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-241203-42799
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2025 – Apr 30, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Apr 1, 2025 13:45
- Sampling point
- TC0019 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-241203-42802
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2025 – Apr 30, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Apr 1, 2025 13:15
- Sampling point
- TC0025 No Description
- Sample type
- Routine
- Lab sample
- BACT-241203-42801
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2025 – Apr 30, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 5, 2025 14:10
- Sampling point
- TC0004 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-241203-42798
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2025 – Mar 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 5, 2025 13:55
- Sampling point
- TC0005 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-241203-42797
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2025 – Mar 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 5, 2025 13:00
- Sampling point
- TC0010 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-241203-42795
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2025 – Mar 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 5, 2025 13:40
- Sampling point
- TC0016 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-241203-42796
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2025 – Mar 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 18, 2025 13:35
- Sampling point
- TC0003 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-241203-42794
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2025 – Feb 28, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 18, 2025 12:50
- Sampling point
- TC0007 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-240121-5060
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2025 – Feb 28, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 18, 2025 12:30
- Sampling point
- TC0008 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-240121-5058
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2025 – Feb 28, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli