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
MS0170005 , Days Water Association
2 of 1,048 results on record were positive for coliform or another organism the agency tests for. The most recent was January 9, 2019.
They fall across 2 of the 799 samples on record.
Every sample on record, November 3, 2003 to August 11, 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 16–30 of 69 samples in this date range, newest first.
Routine (15).
| Result | Organism |
|---|---|
|
|
| Absence , sample collected Mar 3, 2026 11:15, sampling point TC0003 | Coliform (TCR) |
| Absence , sample collected Mar 3, 2026 11:15, sampling point TC0003 | E. Coli |
|
|
| Absence , sample collected Mar 3, 2026 11:45, sampling point TC0004 | Coliform (TCR) |
| Absence , sample collected Mar 3, 2026 11:45, sampling point TC0004 | E. Coli |
|
|
| Absence , sample collected Mar 3, 2026 11:30, sampling point TC0007 | Coliform (TCR) |
| Absence , sample collected Mar 3, 2026 11:30, sampling point TC0007 | E. Coli |
|
|
| Absence , sample collected Feb 10, 2026 11:00, sampling point TC0003 | Coliform (TCR) |
| Absence , sample collected Feb 10, 2026 11:00, sampling point TC0003 | E. Coli |
|
|
| Absence , sample collected Feb 10, 2026 11:30, sampling point TC0004 | Coliform (TCR) |
| Absence , sample collected Feb 10, 2026 11:30, sampling point TC0004 | E. Coli |
|
|
| Absence , sample collected Feb 10, 2026 11:15, sampling point TC0007 | Coliform (TCR) |
| Absence , sample collected Feb 10, 2026 11:15, sampling point TC0007 | E. Coli |
|
|
| Absence , sample collected Jan 20, 2026 11:15, sampling point TC0003 | Coliform (TCR) |
| Absence , sample collected Jan 20, 2026 11:15, sampling point TC0003 | 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 11:30, sampling point TC0007 | Coliform (TCR) |
| Absence , sample collected Jan 20, 2026 11:30, sampling point TC0007 | E. Coli |
|
|
| Absence , sample collected Dec 9, 2025 11:10, sampling point TC0003 | Coliform (TCR) |
| Absence , sample collected Dec 9, 2025 11:10, sampling point TC0003 | E. Coli |
|
|
| Absence , sample collected Dec 9, 2025 11:45, sampling point TC0004 | Coliform (TCR) |
| Absence , sample collected Dec 9, 2025 11:45, sampling point TC0004 | E. Coli |
|
|
| Absence , sample collected Dec 9, 2025 11:30, sampling point TC0007 | Coliform (TCR) |
| Absence , sample collected Dec 9, 2025 11:30, sampling point TC0007 | E. Coli |
|
|
| Absence , sample collected Nov 3, 2025 11:15, sampling point TC0003 | Coliform (TCR) |
| Absence , sample collected Nov 3, 2025 11:15, sampling point TC0003 | E. Coli |
|
|
| Absence , sample collected Nov 3, 2025 11:45, sampling point TC0004 | Coliform (TCR) |
| Absence , sample collected Nov 3, 2025 11:45, sampling point TC0004 | E. Coli |
|
|
| Absence , sample collected Nov 3, 2025 11:30, sampling point TC0007 | Coliform (TCR) |
| Absence , sample collected Nov 3, 2025 11:30, sampling point TC0007 | E. Coli |
-
- Collected
- Mar 3, 2026 11:15
- Sampling point
- TC0003 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-251001-51046
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 3, 2026 11:45
- Sampling point
- TC0004 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-251001-51048
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 3, 2026 11:30
- Sampling point
- TC0007 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-251001-51047
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 10, 2026 11:00
- Sampling point
- TC0003 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-251001-51043
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2026 – Feb 28, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 10, 2026 11:30
- Sampling point
- TC0004 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-251001-51045
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2026 – Feb 28, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 10, 2026 11:15
- Sampling point
- TC0007 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-251001-51044
- 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 11:15
- Sampling point
- TC0003 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-251001-51040
- 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 11:45
- Sampling point
- TC0004 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-251001-51042
- 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 11:30
- Sampling point
- TC0007 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-251001-51041
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2026 – Jan 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Dec 9, 2025 11:10
- Sampling point
- TC0003 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-251001-51037
- Laboratory
- MSDH Lab
- Monitoring period
- Dec 1, 2025 – Dec 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Dec 9, 2025 11:45
- Sampling point
- TC0004 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-251001-51039
- Laboratory
- MSDH Lab
- Monitoring period
- Dec 1, 2025 – Dec 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Dec 9, 2025 11:30
- Sampling point
- TC0007 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-251001-51038
- Laboratory
- MSDH Lab
- Monitoring period
- Dec 1, 2025 – Dec 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Nov 3, 2025 11:15
- Sampling point
- TC0003 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250311-13024
- Laboratory
- MSDH Lab
- Monitoring period
- Nov 1, 2025 – Nov 30, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Nov 3, 2025 11:45
- Sampling point
- TC0004 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250311-13026
- Laboratory
- MSDH Lab
- Monitoring period
- Nov 1, 2025 – Nov 30, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Nov 3, 2025 11:30
- Sampling point
- TC0007 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250311-13025
- Laboratory
- MSDH Lab
- Monitoring period
- Nov 1, 2025 – Nov 30, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli