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
MS0550001 , Center W/A-Caesar System
7 of 2,488 results on record were positive for coliform or another organism the agency tests for. The most recent was June 3, 2025.
They fall across 7 of the 1,839 samples on record.
Every sample on record, October 2, 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 1–15 of 170 samples in this date range, newest first.
Routine (15).
| Result | Organism |
|---|---|
|
|
| Absence , sample collected Aug 4, 2026 08:55, sampling point TC0013 | Coliform (TCR) |
| Absence , sample collected Aug 4, 2026 08:55, sampling point TC0013 | E. Coli |
|
|
| Absence , sample collected Aug 4, 2026 09:50, sampling point TC0019 | Coliform (TCR) |
| Absence , sample collected Aug 4, 2026 09:50, sampling point TC0019 | E. Coli |
|
|
| Absence , sample collected Aug 4, 2026 10:40, sampling point TC0021 | Coliform (TCR) |
| Absence , sample collected Aug 4, 2026 10:40, sampling point TC0021 | E. Coli |
|
|
| Absence , sample collected Aug 3, 2026 11:05, sampling point TC0003 | Coliform (TCR) |
| Absence , sample collected Aug 3, 2026 11:05, sampling point TC0003 | E. Coli |
|
|
| Absence , sample collected Aug 3, 2026 10:50, sampling point TC0006 | Coliform (TCR) |
| Absence , sample collected Aug 3, 2026 10:50, sampling point TC0006 | E. Coli |
|
|
| Absence , sample collected Aug 3, 2026 10:10, sampling point TC0014 | Coliform (TCR) |
| Absence , sample collected Aug 3, 2026 10:10, sampling point TC0014 | E. Coli |
|
|
| Absence , sample collected Aug 3, 2026 09:50, sampling point TC0016 | Coliform (TCR) |
| Absence , sample collected Aug 3, 2026 09:50, sampling point TC0016 | E. Coli |
|
|
| Absence , sample collected Jul 8, 2026 09:35, sampling point TC0002 | Coliform (TCR) |
| Absence , sample collected Jul 8, 2026 09:35, sampling point TC0002 | E. Coli |
|
|
| Absence , sample collected Jul 8, 2026 09:50, sampling point TC0011 | Coliform (TCR) |
| Absence , sample collected Jul 8, 2026 09:50, sampling point TC0011 | E. Coli |
|
|
| Absence , sample collected Jul 8, 2026 09:15, sampling point TC0012 | Coliform (TCR) |
| Absence , sample collected Jul 8, 2026 09:15, sampling point TC0012 | E. Coli |
|
|
| Absence , sample collected Jul 6, 2026 09:40, sampling point TC0008 | Coliform (TCR) |
| Absence , sample collected Jul 6, 2026 09:40, sampling point TC0008 | E. Coli |
|
|
| Absence , sample collected Jul 6, 2026 08:50, sampling point TC0010 | Coliform (TCR) |
| Absence , sample collected Jul 6, 2026 08:50, sampling point TC0010 | E. Coli |
|
|
| Absence , sample collected Jul 6, 2026 09:15, sampling point TC0015 | Coliform (TCR) |
| Absence , sample collected Jul 6, 2026 09:15, sampling point TC0015 | E. Coli |
|
|
| Absence , sample collected Jul 6, 2026 09:30, sampling point TC0017 | Coliform (TCR) |
| Absence , sample collected Jul 6, 2026 09:30, sampling point TC0017 | E. Coli |
|
|
| Absence , sample collected Jun 2, 2026 08:15, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Jun 2, 2026 08:15, sampling point TC0001 | E. Coli |
-
- Collected
- Aug 4, 2026 08:55
- Sampling point
- TC0013 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-260331-7483
- Laboratory
- MSDH Lab
- Monitoring period
- Aug 1, 2026 – Aug 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Aug 4, 2026 09:50
- Sampling point
- TC0019 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-260331-7484
- Laboratory
- MSDH Lab
- Monitoring period
- Aug 1, 2026 – Aug 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Aug 4, 2026 10:40
- Sampling point
- TC0021 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-260331-7485
- Laboratory
- MSDH Lab
- Monitoring period
- Aug 1, 2026 – Aug 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Aug 3, 2026 11:05
- Sampling point
- TC0003 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-260331-7482
- Laboratory
- MSDH Lab
- Monitoring period
- Aug 1, 2026 – Aug 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Aug 3, 2026 10:50
- Sampling point
- TC0006 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-260331-7481
- Laboratory
- MSDH Lab
- Monitoring period
- Aug 1, 2026 – Aug 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Aug 3, 2026 10:10
- Sampling point
- TC0014 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-260331-7580
- Laboratory
- MSDH Lab
- Monitoring period
- Aug 1, 2026 – Aug 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Aug 3, 2026 09:50
- Sampling point
- TC0016 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-260331-7579
- Laboratory
- MSDH Lab
- Monitoring period
- Aug 1, 2026 – Aug 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jul 8, 2026 09:35
- Sampling point
- TC0002 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-260331-7573
- Laboratory
- MSDH Lab
- Monitoring period
- Jul 1, 2026 – Jul 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jul 8, 2026 09:50
- Sampling point
- TC0011 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-260331-7574
- Laboratory
- MSDH Lab
- Monitoring period
- Jul 1, 2026 – Jul 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jul 8, 2026 09:15
- Sampling point
- TC0012 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-260331-7572
- 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 09:40
- Sampling point
- TC0008 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-260331-7571
- 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 08:50
- Sampling point
- TC0010 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-260331-7568
- 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 09:15
- Sampling point
- TC0015 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-260331-7569
- 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 09:30
- Sampling point
- TC0017 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-260331-7570
- Laboratory
- MSDH Lab
- Monitoring period
- Jul 1, 2026 – Jul 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jun 2, 2026 08:15
- Sampling point
- TC0001 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-260331-7556
- Laboratory
- MSDH Lab
- Monitoring period
- Jun 1, 2026 – Jun 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli