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
MS0620010 , Sebastopol Water Association
8 of 2,407 results on record were positive for coliform or another organism the agency tests for. The most recent was August 13, 2019.
They fall across 8 of the 1,762 samples on record.
Every sample on record, October 9, 2003 to August 11, 2026. No date range is applied.
The most recent samples
No date range is applied: this list draws on every sample on record. Show the last two years only.
The list below shows 31–45 of 1,762 samples on record, newest first.
Routine (15).
| Result | Organism |
|---|---|
|
|
| Absence , sample collected Apr 6, 2026 13:00, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Apr 6, 2026 13:00, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Apr 6, 2026 13:15, sampling point TC0003 | Coliform (TCR) |
| Absence , sample collected Apr 6, 2026 13:15, sampling point TC0003 | E. Coli |
|
|
| Absence , sample collected Apr 6, 2026 13:30, sampling point TC0005 | Coliform (TCR) |
| Absence , sample collected Apr 6, 2026 13:30, sampling point TC0005 | E. Coli |
|
|
| Absence , sample collected Apr 6, 2026 13:45, sampling point TC0007 | Coliform (TCR) |
| Absence , sample collected Apr 6, 2026 13:45, sampling point TC0007 | E. Coli |
|
|
| Absence , sample collected Apr 6, 2026 14:00, sampling point TC0008 | Coliform (TCR) |
| Absence , sample collected Apr 6, 2026 14:00, sampling point TC0008 | E. Coli |
|
|
| Absence , sample collected Mar 4, 2026 13:00, sampling point TC0009 | Coliform (TCR) |
| Absence , sample collected Mar 4, 2026 13:00, sampling point TC0009 | E. Coli |
|
|
| Absence , sample collected Mar 4, 2026 13:15, sampling point TC0010 | Coliform (TCR) |
| Absence , sample collected Mar 4, 2026 13:15, sampling point TC0010 | E. Coli |
|
|
| Absence , sample collected Mar 3, 2026 13:00, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Mar 3, 2026 13:00, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Mar 3, 2026 13:15, sampling point TC0003 | Coliform (TCR) |
| Absence , sample collected Mar 3, 2026 13:15, sampling point TC0003 | E. Coli |
|
|
| Absence , sample collected Mar 3, 2026 13:30, sampling point TC0005 | Coliform (TCR) |
| Absence , sample collected Mar 3, 2026 13:30, sampling point TC0005 | E. Coli |
|
|
| Absence , sample collected Mar 3, 2026 13:45, sampling point TC0007 | Coliform (TCR) |
| Absence , sample collected Mar 3, 2026 13:45, sampling point TC0007 | E. Coli |
|
|
| Absence , sample collected Mar 3, 2026 14:00, sampling point TC0008 | Coliform (TCR) |
| Absence , sample collected Mar 3, 2026 14:00, sampling point TC0008 | E. Coli |
|
|
| Absence , sample collected Feb 3, 2026 13:00, sampling point TC0009 | Coliform (TCR) |
| Absence , sample collected Feb 3, 2026 13:00, sampling point TC0009 | E. Coli |
|
|
| Absence , sample collected Feb 3, 2026 13:30, sampling point TC0010 | Coliform (TCR) |
| Absence , sample collected Feb 3, 2026 13:30, sampling point TC0010 | E. Coli |
|
|
| Absence , sample collected Feb 2, 2026 13:00, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Feb 2, 2026 13:00, sampling point TC0001 | E. Coli |
-
- Collected
- Apr 6, 2026 13:00
- Sampling point
- TC0001 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250306-12297
- 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 13:15
- Sampling point
- TC0003 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250306-12296
- 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 13:30
- Sampling point
- TC0005 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250306-12295
- 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 13:45
- Sampling point
- TC0007 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250306-12294
- 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 14:00
- Sampling point
- TC0008 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250306-12293
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2026 – Apr 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 4, 2026 13:00
- Sampling point
- TC0009 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250306-12285
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 4, 2026 13:15
- Sampling point
- TC0010 Distribution DS000
- Sample type
- Routine
- Lab sample
- BACT-250306-12284
- 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 13:00
- Sampling point
- TC0001 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250306-12286
- 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 13:15
- Sampling point
- TC0003 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250306-12290
- 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 13:30
- Sampling point
- TC0005 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250306-12289
- 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 13:45
- Sampling point
- TC0007 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250306-12288
- 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 14:00
- Sampling point
- TC0008 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250306-12287
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 3, 2026 13:00
- Sampling point
- TC0009 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250306-12278
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2026 – Feb 28, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 3, 2026 13:30
- Sampling point
- TC0010 Distribution DS000
- Sample type
- Routine
- Lab sample
- BACT-250306-12277
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2026 – Feb 28, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 2, 2026 13:00
- Sampling point
- TC0001 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250306-12283
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2026 – Feb 28, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli