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 1–15 of 23 samples in this date range, newest first.
Routine (15).
| Result | Organism |
|---|---|
|
|
| Absence , sample collected Aug 11, 2026 13:00, sampling point TC0005 | Coliform (TCR) |
| Absence , sample collected Aug 11, 2026 13:00, sampling point TC0005 | E. Coli |
|
|
| Absence , sample collected Jul 29, 2026 07:00, sampling point TC0005 | Coliform (TCR) |
| Absence , sample collected Jul 29, 2026 07:00, sampling point TC0005 | E. Coli |
|
|
| Absence , sample collected Jun 1, 2026 10:45, sampling point TC0002 | Coliform (TCR) |
| Absence , sample collected Jun 1, 2026 10:45, sampling point TC0002 | E. Coli |
|
|
| Absence , sample collected May 18, 2026 08:15, sampling point TC0002 | Coliform (TCR) |
| Absence , sample collected May 18, 2026 08:15, sampling point TC0002 | E. Coli |
|
|
| Absence , sample collected Apr 7, 2026 12:15, sampling point TC0005 | Coliform (TCR) |
| Absence , sample collected Apr 7, 2026 12:15, sampling point TC0005 | E. Coli |
|
|
| Absence , sample collected Mar 30, 2026 08:30, sampling point TC0002 | Coliform (TCR) |
| Absence , sample collected Mar 30, 2026 08:30, sampling point TC0002 | E. Coli |
|
|
| Absence , sample collected Feb 25, 2026 07:45, sampling point TC0002 | Coliform (TCR) |
| Absence , sample collected Feb 25, 2026 07:45, sampling point TC0002 | E. Coli |
|
|
| Absence , sample collected Jan 30, 2026 13:10, sampling point TC0002 | Coliform (TCR) |
| Absence , sample collected Jan 30, 2026 13:10, sampling point TC0002 | E. Coli |
|
|
| Absence , sample collected Dec 3, 2025 11:56, sampling point TC0005 | Coliform (TCR) |
| Absence , sample collected Dec 3, 2025 11:56, sampling point TC0005 | E. Coli |
|
|
| Absence , sample collected Nov 4, 2025 13:51, sampling point TC0005 | Coliform (TCR) |
| Absence , sample collected Nov 4, 2025 13:51, sampling point TC0005 | E. Coli |
|
|
| Absence , sample collected Oct 6, 2025 12:25, sampling point TC0005 | Coliform (TCR) |
| Absence , sample collected Oct 6, 2025 12:25, sampling point TC0005 | E. Coli |
|
|
| Absence , sample collected Sep 9, 2025 12:46, sampling point TC0002 | Coliform (TCR) |
| Absence , sample collected Sep 9, 2025 12:46, sampling point TC0002 | E. Coli |
|
|
| Absence , sample collected Aug 11, 2025 14:35, sampling point TC0002 | Coliform (TCR) |
| Absence , sample collected Aug 11, 2025 14:35, sampling point TC0002 | E. Coli |
|
|
| Absence , sample collected Jul 7, 2025 10:04, sampling point TC0005 | Coliform (TCR) |
| Absence , sample collected Jul 7, 2025 10:04, sampling point TC0005 | E. Coli |
|
|
| Absence , sample collected Jun 2, 2025 13:03, sampling point TC0002 | Coliform (TCR) |
| Absence , sample collected Jun 2, 2025 13:03, sampling point TC0002 | E. Coli |
-
- Collected
- Aug 11, 2026 13:00
- Sampling point
- TC0005 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-220809-18954
- Laboratory
- MSDH Lab
- Monitoring period
- Aug 1, 2026 – Aug 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jul 29, 2026 07:00
- Sampling point
- TC0005 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-220809-18951
- 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 10:45
- Sampling point
- TC0002 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-220809-18949
- Laboratory
- MSDH Lab
- Monitoring period
- Jun 1, 2026 – Jun 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- May 18, 2026 08:15
- Sampling point
- TC0002 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-220809-18948
- 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 12:15
- Sampling point
- TC0005 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-220809-18934
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2026 – Apr 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 30, 2026 08:30
- Sampling point
- TC0002 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-220809-18933
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 25, 2026 07:45
- Sampling point
- TC0002 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-220809-18945
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2026 – Feb 28, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jan 30, 2026 13:10
- Sampling point
- TC0002 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-220809-18932
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2026 – Jan 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Dec 3, 2025 11:56
- Sampling point
- TC0005 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-200923-60915
- Laboratory
- MSDH Lab
- Monitoring period
- Dec 1, 2025 – Dec 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Nov 4, 2025 13:51
- Sampling point
- TC0005 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-200923-60916
- 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 12:25
- Sampling point
- TC0005 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-210923-41263
- Laboratory
- MSDH Lab
- Monitoring period
- Oct 1, 2025 – Oct 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Sep 9, 2025 12:46
- Sampling point
- TC0002 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-200923-60917
- Laboratory
- MSDH Lab
- Monitoring period
- Sep 1, 2025 – Sep 30, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Aug 11, 2025 14:35
- Sampling point
- TC0002 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-220809-18941
- 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 10:04
- Sampling point
- TC0005 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-210923-41262
- 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 13:03
- Sampling point
- TC0002 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-210923-41261
- Laboratory
- MSDH Lab
- Monitoring period
- Jun 1, 2025 – Jun 30, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli