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
MS0240233 , Sutter Water Service, Inc
5 of 271 results on record were positive for coliform or another organism the agency tests for. The most recent was June 21, 2021.
They fall across 5 of the 181 samples on record.
Every sample on record, February 3, 2004 to August 17, 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 17, 2026 08:15, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Aug 17, 2026 08:15, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Jul 15, 2026 10:10, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Jul 15, 2026 10:10, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Jun 22, 2026 08:35, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Jun 22, 2026 08:35, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected May 18, 2026 09:05, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected May 18, 2026 09:05, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Apr 20, 2026 09:23, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Apr 20, 2026 09:23, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Mar 24, 2026 07:15, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Mar 24, 2026 07:15, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Feb 18, 2026 09:30, sampling point DS000 | Coliform (TCR) |
| Absence , sample collected Feb 18, 2026 09:30, sampling point DS000 | E. Coli |
|
|
| Absence , sample collected Jan 20, 2026 07:30, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Jan 20, 2026 07:30, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Dec 8, 2025 08:30, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Dec 8, 2025 08:30, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Nov 17, 2025 10:45, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Nov 17, 2025 10:45, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Oct 14, 2025 10:05, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Oct 14, 2025 10:05, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Sep 15, 2025 07:30, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Sep 15, 2025 07:30, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Aug 13, 2025 08:05, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Aug 13, 2025 08:05, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Jul 14, 2025 10:00, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Jul 14, 2025 10:00, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Jun 9, 2025 09:10, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Jun 9, 2025 09:10, sampling point TC0001 | E. Coli |
-
- Collected
- Aug 17, 2026 08:15
- Sampling point
- TC0001 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250805-41898
- Laboratory
- MSDH Lab
- Monitoring period
- Aug 1, 2026 – Aug 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jul 15, 2026 10:10
- Sampling point
- TC0001 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250805-41897
- Laboratory
- MSDH Lab
- Monitoring period
- Jul 1, 2026 – Jul 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jun 22, 2026 08:35
- Sampling point
- TC0001 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-190820-49030
- 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 09:05
- Sampling point
- TC0001 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250805-41906
- Laboratory
- MSDH Lab
- Monitoring period
- May 1, 2026 – May 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Apr 20, 2026 09:23
- Sampling point
- TC0001 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-190511-29682
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2026 – Apr 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 24, 2026 07:15
- Sampling point
- TC0001 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-190511-29684
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 18, 2026 09:30
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- BACT-190511-29685
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2026 – Feb 28, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jan 20, 2026 07:30
- Sampling point
- TC0001 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-190511-29681
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2026 – Jan 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Dec 8, 2025 08:30
- Sampling point
- TC0001 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-190511-29686
- Laboratory
- MSDH Lab
- Monitoring period
- Dec 1, 2025 – Dec 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Nov 17, 2025 10:45
- Sampling point
- TC0001 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-190511-29687
- Laboratory
- MSDH Lab
- Monitoring period
- Nov 1, 2025 – Nov 30, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Oct 14, 2025 10:05
- Sampling point
- TC0001 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-190511-29688
- Laboratory
- MSDH Lab
- Monitoring period
- Oct 1, 2025 – Oct 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Sep 15, 2025 07:30
- Sampling point
- TC0001 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-221211-39234
- Laboratory
- MSDH Lab
- Monitoring period
- Sep 1, 2025 – Sep 30, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Aug 13, 2025 08:05
- Sampling point
- TC0001 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-221211-39232
- Laboratory
- MSDH Lab
- Monitoring period
- Aug 1, 2025 – Aug 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jul 14, 2025 10:00
- Sampling point
- TC0001 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-221211-39235
- Laboratory
- MSDH Lab
- Monitoring period
- Jul 1, 2025 – Jul 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jun 9, 2025 09:10
- Sampling point
- TC0001 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-221211-39231
- Laboratory
- MSDH Lab
- Monitoring period
- Jun 1, 2025 – Jun 30, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli