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
MS0610016 , Monterey Water Assn-West
2 of 1,103 results on record were positive for coliform or another organism the agency tests for. The most recent was August 22, 2018.
They fall across 2 of the 840 samples on record.
Every sample on record, October 22, 2003 to August 13, 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 46–60 of 69 samples in this date range, newest first.
Routine (15).
| Result | Organism |
|---|---|
|
|
| Absence , sample collected May 14, 2025 06:30, sampling point TC0002 | Coliform (TCR) |
| Absence , sample collected May 14, 2025 06:30, sampling point TC0002 | E. Coli |
|
|
| Absence , sample collected May 14, 2025 07:00, sampling point TC0003 | Coliform (TCR) |
| Absence , sample collected May 14, 2025 07:00, sampling point TC0003 | E. Coli |
|
|
| Absence , sample collected May 14, 2025 07:30, sampling point TC0004 | Coliform (TCR) |
| Absence , sample collected May 14, 2025 07:30, sampling point TC0004 | E. Coli |
|
|
| Absence , sample collected Apr 16, 2025 09:50, sampling point TC0002 | Coliform (TCR) |
| Absence , sample collected Apr 16, 2025 09:50, sampling point TC0002 | E. Coli |
|
|
| Absence , sample collected Apr 16, 2025 09:25, sampling point TC0003 | Coliform (TCR) |
| Absence , sample collected Apr 16, 2025 09:25, sampling point TC0003 | E. Coli |
|
|
| Absence , sample collected Apr 16, 2025 09:00, sampling point TC0004 | Coliform (TCR) |
| Absence , sample collected Apr 16, 2025 09:00, sampling point TC0004 | E. Coli |
|
|
| Absence , sample collected Mar 13, 2025 08:00, sampling point TC0002 | Coliform (TCR) |
| Absence , sample collected Mar 13, 2025 08:00, sampling point TC0002 | E. Coli |
|
|
| Absence , sample collected Mar 13, 2025 08:30, sampling point TC0003 | Coliform (TCR) |
| Absence , sample collected Mar 13, 2025 08:30, sampling point TC0003 | E. Coli |
|
|
| Absence , sample collected Mar 13, 2025 09:00, sampling point TC0004 | Coliform (TCR) |
| Absence , sample collected Mar 13, 2025 09:00, sampling point TC0004 | E. Coli |
|
|
| Absence , sample collected Feb 10, 2025 11:50, sampling point TC0002 | Coliform (TCR) |
| Absence , sample collected Feb 10, 2025 11:50, sampling point TC0002 | E. Coli |
|
|
| Absence , sample collected Feb 10, 2025 11:25, sampling point TC0003 | Coliform (TCR) |
| Absence , sample collected Feb 10, 2025 11:25, sampling point TC0003 | E. Coli |
|
|
| Absence , sample collected Feb 10, 2025 10:45, sampling point TC0004 | Coliform (TCR) |
| Absence , sample collected Feb 10, 2025 10:45, sampling point TC0004 | E. Coli |
|
|
| Absence , sample collected Jan 15, 2025 07:45, sampling point TC0002 | Coliform (TCR) |
| Absence , sample collected Jan 15, 2025 07:45, sampling point TC0002 | E. Coli |
|
|
| Absence , sample collected Jan 15, 2025 08:20, sampling point TC0003 | Coliform (TCR) |
| Absence , sample collected Jan 15, 2025 08:20, sampling point TC0003 | E. Coli |
|
|
| Absence , sample collected Jan 15, 2025 08:45, sampling point TC0004 | Coliform (TCR) |
| Absence , sample collected Jan 15, 2025 08:45, sampling point TC0004 | E. Coli |
-
- Collected
- May 14, 2025 06:30
- Sampling point
- TC0002 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-210811-23167
- Laboratory
- MSDH Lab
- Monitoring period
- May 1, 2025 – May 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- May 14, 2025 07:00
- Sampling point
- TC0003 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-210811-23168
- Laboratory
- MSDH Lab
- Monitoring period
- May 1, 2025 – May 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- May 14, 2025 07:30
- Sampling point
- TC0004 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-210811-23169
- Laboratory
- MSDH Lab
- Monitoring period
- May 1, 2025 – May 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Apr 16, 2025 09:50
- Sampling point
- TC0002 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-241206-42870
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2025 – Apr 30, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Apr 16, 2025 09:25
- Sampling point
- TC0003 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-241206-42869
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2025 – Apr 30, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Apr 16, 2025 09:00
- Sampling point
- TC0004 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-241206-42868
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2025 – Apr 30, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 13, 2025 08:00
- Sampling point
- TC0002 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-241206-42865
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2025 – Mar 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 13, 2025 08:30
- Sampling point
- TC0003 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-241206-42866
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2025 – Mar 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 13, 2025 09:00
- Sampling point
- TC0004 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-241206-42867
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2025 – Mar 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 10, 2025 11:50
- Sampling point
- TC0002 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-241206-42864
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2025 – Feb 28, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 10, 2025 11:25
- Sampling point
- TC0003 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-241206-42863
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2025 – Feb 28, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 10, 2025 10:45
- Sampling point
- TC0004 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-241206-42862
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2025 – Feb 28, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jan 15, 2025 07:45
- Sampling point
- TC0002 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-241206-42859
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2025 – Jan 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jan 15, 2025 08:20
- Sampling point
- TC0003 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-241206-42860
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2025 – Jan 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jan 15, 2025 08:45
- Sampling point
- TC0004 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-241206-42861
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2025 – Jan 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli