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
MS0230063 , Standard Dedeaux Water Association
2 of 1,894 results on record were positive for coliform or another organism the agency tests for. The most recent was July 9, 2018.
They fall across 2 of the 1,381 samples on record.
Every sample on record, November 4, 2004 to August 10, 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 16–30 of 138 samples in this date range, newest first.
Routine (15).
| Result | Organism |
|---|---|
|
|
| Absence , sample collected Jun 1, 2026 11:16, sampling point TC0014 | Coliform (TCR) |
| Absence , sample collected Jun 1, 2026 11:16, sampling point TC0014 | E. Coli |
|
|
| Absence , sample collected Jun 1, 2026 10:30, sampling point TC0020 | Coliform (TCR) |
| Absence , sample collected Jun 1, 2026 10:30, sampling point TC0020 | E. Coli |
|
|
| Absence , sample collected Jun 1, 2026 09:50, sampling point TC0025 | Coliform (TCR) |
| Absence , sample collected Jun 1, 2026 09:50, sampling point TC0025 | E. Coli |
|
|
| Absence , sample collected May 5, 2026 07:36, sampling point TC0002 | Coliform (TCR) |
| Absence , sample collected May 5, 2026 07:36, sampling point TC0002 | E. Coli |
|
|
| Absence , sample collected May 5, 2026 07:58, sampling point TC0005 | Coliform (TCR) |
| Absence , sample collected May 5, 2026 07:58, sampling point TC0005 | E. Coli |
|
|
| Absence , sample collected May 5, 2026 08:25, sampling point TC0025 | Coliform (TCR) |
| Absence , sample collected May 5, 2026 08:25, sampling point TC0025 | E. Coli |
|
|
| Absence , sample collected May 4, 2026 07:27, sampling point TC0015 | Coliform (TCR) |
| Absence , sample collected May 4, 2026 07:27, sampling point TC0015 | E. Coli |
|
|
| Absence , sample collected May 4, 2026 08:17, sampling point TC0018 | Coliform (TCR) |
| Absence , sample collected May 4, 2026 08:17, sampling point TC0018 | E. Coli |
|
|
| Absence , sample collected May 4, 2026 07:56, sampling point TC0022 | Coliform (TCR) |
| Absence , sample collected May 4, 2026 07:56, sampling point TC0022 | E. Coli |
|
|
| Absence , sample collected Apr 7, 2026 07:45, sampling point TC0002 | Coliform (TCR) |
| Absence , sample collected Apr 7, 2026 07:45, sampling point TC0002 | E. Coli |
|
|
| Absence , sample collected Apr 7, 2026 08:10, sampling point TC0005 | Coliform (TCR) |
| Absence , sample collected Apr 7, 2026 08:10, sampling point TC0005 | E. Coli |
|
|
| Absence , sample collected Apr 7, 2026 08:27, sampling point TC0025 | Coliform (TCR) |
| Absence , sample collected Apr 7, 2026 08:27, sampling point TC0025 | E. Coli |
|
|
| Absence , sample collected Apr 6, 2026 07:36, sampling point TC0015 | Coliform (TCR) |
| Absence , sample collected Apr 6, 2026 07:36, sampling point TC0015 | E. Coli |
|
|
| Absence , sample collected Apr 6, 2026 08:39, sampling point TC0018 | Coliform (TCR) |
| Absence , sample collected Apr 6, 2026 08:39, sampling point TC0018 | E. Coli |
|
|
| Absence , sample collected Apr 6, 2026 07:58, sampling point TC0022 | Coliform (TCR) |
| Absence , sample collected Apr 6, 2026 07:58, sampling point TC0022 | E. Coli |
-
- Collected
- Jun 1, 2026 11:16
- Sampling point
- TC0014 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-230911-38380
- Laboratory
- MSDH Lab
- Monitoring period
- Jun 1, 2026 – Jun 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jun 1, 2026 10:30
- Sampling point
- TC0020 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-230911-38379
- Laboratory
- MSDH Lab
- Monitoring period
- Jun 1, 2026 – Jun 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jun 1, 2026 09:50
- Sampling point
- TC0025 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-230911-38378
- Laboratory
- MSDH Lab
- Monitoring period
- Jun 1, 2026 – Jun 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- May 5, 2026 07:36
- Sampling point
- TC0002 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-230911-38375
- Laboratory
- MSDH Lab
- Monitoring period
- May 1, 2026 – May 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- May 5, 2026 07:58
- Sampling point
- TC0005 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-230911-38376
- Laboratory
- MSDH Lab
- Monitoring period
- May 1, 2026 – May 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- May 5, 2026 08:25
- Sampling point
- TC0025 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-230911-38377
- Laboratory
- MSDH Lab
- Monitoring period
- May 1, 2026 – May 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- May 4, 2026 07:27
- Sampling point
- TC0015 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-230911-38372
- Laboratory
- MSDH Lab
- Monitoring period
- May 1, 2026 – May 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- May 4, 2026 08:17
- Sampling point
- TC0018 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-230911-38374
- Laboratory
- MSDH Lab
- Monitoring period
- May 1, 2026 – May 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- May 4, 2026 07:56
- Sampling point
- TC0022 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-230911-38373
- 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 07:45
- Sampling point
- TC0002 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-230911-38371
- 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 08:10
- Sampling point
- TC0005 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-230911-38361
- 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 08:27
- Sampling point
- TC0025 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-230911-38351
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2026 – Apr 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Apr 6, 2026 07:36
- Sampling point
- TC0015 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-230911-38368
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2026 – Apr 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Apr 6, 2026 08:39
- Sampling point
- TC0018 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-230911-38370
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2026 – Apr 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Apr 6, 2026 07:58
- Sampling point
- TC0022 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-230911-38369
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2026 – Apr 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli