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
MS0810036 , Ajinomoto Foods North America, Inc
5 of 278 results on record were positive for coliform or another organism the agency tests for. The most recent was July 21, 2016.
They fall across 5 of the 186 samples on record.
Every sample on record, November 3, 2008 to August 17, 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 23 samples in this date range, newest first.
Routine (15).
| Result | Organism |
|---|---|
|
|
| Absence , sample collected Aug 17, 2026 09:40, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Aug 17, 2026 09:40, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Jul 6, 2026 09:30, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Jul 6, 2026 09:30, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Jun 1, 2026 11:45, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Jun 1, 2026 11:45, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected May 12, 2026 09:21, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected May 12, 2026 09:21, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Apr 13, 2026 10:15, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Apr 13, 2026 10:15, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Mar 17, 2026 09:30, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Mar 17, 2026 09:30, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Feb 17, 2026 10:39, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Feb 17, 2026 10:39, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Jan 5, 2026 14:32, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Jan 5, 2026 14:32, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Dec 1, 2025 11:55, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Dec 1, 2025 11:55, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Nov 3, 2025 12:15, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Nov 3, 2025 12:15, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Oct 6, 2025 11:35, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Oct 6, 2025 11:35, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Sep 15, 2025 10:30, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Sep 15, 2025 10:30, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Aug 5, 2025 09:50, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Aug 5, 2025 09:50, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Jul 7, 2025 11:08, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Jul 7, 2025 11:08, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Jun 2, 2025 12:16, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Jun 2, 2025 12:16, sampling point TC0001 | E. Coli |
-
- Collected
- Aug 17, 2026 09:40
- Sampling point
- TC0001 Sample Faucet
- Sample type
- Routine
- Lab sample
- BACT-220505-9063
- 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 09:30
- Sampling point
- TC0001 Sample Faucet
- Sample type
- Routine
- Lab sample
- BACT-220505-9062
- Laboratory
- MSDH Lab
- Monitoring period
- Jul 1, 2026 – Jul 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jun 1, 2026 11:45
- Sampling point
- TC0001 Sample Faucet
- Sample type
- Routine
- Lab sample
- BACT-250328-17474
- Laboratory
- MSDH Lab
- Monitoring period
- Jun 1, 2026 – Jun 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- May 12, 2026 09:21
- Sampling point
- TC0001 Sample Faucet
- Sample type
- Routine
- Lab sample
- BACT-250328-17473
- Laboratory
- MSDH Lab
- Monitoring period
- May 1, 2026 – May 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Apr 13, 2026 10:15
- Sampling point
- TC0001 Sample Faucet
- Sample type
- Routine
- Lab sample
- BACT-250328-17472
- 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 09:30
- Sampling point
- TC0001 Sample Faucet
- Sample type
- Routine
- Lab sample
- BACT-250328-17471
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 17, 2026 10:39
- Sampling point
- TC0001 Sample Faucet
- Sample type
- Routine
- Lab sample
- BACT-250328-17470
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2026 – Feb 28, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jan 5, 2026 14:32
- Sampling point
- TC0001 Sample Faucet
- Sample type
- Routine
- Lab sample
- BACT-250328-17469
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2026 – Jan 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Dec 1, 2025 11:55
- Sampling point
- TC0001 Sample Faucet
- Sample type
- Routine
- Lab sample
- BACT-250328-17468
- 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 12:15
- Sampling point
- TC0001 Sample Faucet
- Sample type
- Routine
- Lab sample
- BACT-250328-17467
- Laboratory
- MSDH Lab
- Monitoring period
- Nov 1, 2025 – Nov 30, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Oct 6, 2025 11:35
- Sampling point
- TC0001 Sample Faucet
- Sample type
- Routine
- Lab sample
- BACT-250328-17466
- Laboratory
- MSDH Lab
- Monitoring period
- Oct 1, 2025 – Oct 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Sep 15, 2025 10:30
- Sampling point
- TC0001 Sample Faucet
- Sample type
- Routine
- Lab sample
- BACT-220505-9061
- Laboratory
- MSDH Lab
- Monitoring period
- Sep 1, 2025 – Sep 30, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Aug 5, 2025 09:50
- Sampling point
- TC0001 Sample Faucet
- Sample type
- Routine
- Lab sample
- BACT-220505-9060
- Laboratory
- MSDH Lab
- Monitoring period
- Aug 1, 2025 – Aug 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jul 7, 2025 11:08
- Sampling point
- TC0001 Sample Faucet
- Sample type
- Routine
- Lab sample
- BACT-220505-9059
- Laboratory
- MSDH Lab
- Monitoring period
- Jul 1, 2025 – Jul 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jun 2, 2025 12:16
- Sampling point
- TC0001 Sample Faucet
- Sample type
- Routine
- Lab sample
- BACT-220505-9058
- Laboratory
- MSDH Lab
- Monitoring period
- Jun 1, 2025 – Jun 30, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli