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
MS0690053 , Hidden Valley Light Assn
7 of 316 results on record were positive for coliform or another organism the agency tests for. The most recent was June 14, 2021.
They fall across 7 of the 213 samples on record.
Every sample on record, May 13, 2011 to August 11, 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 16–23 of 23 samples in this date range, newest first.
Routine (8).
| Result | Organism |
|---|---|
|
|
| Absence , sample collected May 5, 2025 11:59, sampling point TC0002 | Coliform (TCR) |
| Absence , sample collected May 5, 2025 11:59, sampling point TC0002 | E. Coli |
|
|
| Absence , sample collected Apr 2, 2025 12:50, sampling point TC0005 | Coliform (TCR) |
| Absence , sample collected Apr 2, 2025 12:50, sampling point TC0005 | E. Coli |
|
|
| Absence , sample collected Mar 4, 2025 12:17, sampling point TC0005 | Coliform (TCR) |
| Absence , sample collected Mar 4, 2025 12:17, sampling point TC0005 | E. Coli |
|
|
| Absence , sample collected Feb 4, 2025 12:47, sampling point TC0005 | Coliform (TCR) |
| Absence , sample collected Feb 4, 2025 12:47, sampling point TC0005 | E. Coli |
|
|
| Absence , sample collected Jan 13, 2025 13:00, sampling point TC0002 | Coliform (TCR) |
| Absence , sample collected Jan 13, 2025 13:00, sampling point TC0002 | E. Coli |
|
|
| Absence , sample collected Dec 10, 2024 14:37, sampling point TC0005 | Coliform (TCR) |
| Absence , sample collected Dec 10, 2024 14:37, sampling point TC0005 | E. Coli |
|
|
| Absence , sample collected Nov 12, 2024 13:17, sampling point TC0005 | Coliform (TCR) |
| Absence , sample collected Nov 12, 2024 13:17, sampling point TC0005 | E. Coli |
|
|
| Absence , sample collected Oct 15, 2024 14:56, sampling point TC0005 | Coliform (TCR) |
| Absence , sample collected Oct 15, 2024 14:56, sampling point TC0005 | E. Coli |
-
- Collected
- May 5, 2025 11:59
- Sampling point
- TC0002 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-220809-18940
- Laboratory
- MSDH Lab
- Monitoring period
- May 1, 2025 – May 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Apr 2, 2025 12:50
- Sampling point
- TC0005 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-210923-41272
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2025 – Apr 30, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 4, 2025 12:17
- Sampling point
- TC0005 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-210923-41273
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2025 – Mar 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 4, 2025 12:47
- Sampling point
- TC0005 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-220809-18939
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2025 – Feb 28, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jan 13, 2025 13:00
- Sampling point
- TC0002 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-220809-18938
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2025 – Jan 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Dec 10, 2024 14:37
- Sampling point
- TC0005 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-220809-18944
- Laboratory
- MSDH Lab
- Monitoring period
- Dec 1, 2024 – Dec 31, 2024
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Nov 12, 2024 13:17
- Sampling point
- TC0005 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-220809-18937
- Laboratory
- MSDH Lab
- Monitoring period
- Nov 1, 2024 – Nov 30, 2024
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Oct 15, 2024 14:56
- Sampling point
- TC0005 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-200923-60914
- Laboratory
- MSDH Lab
- Monitoring period
- Oct 1, 2024 – Oct 31, 2024
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli