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
MS0170052 , C-You
6 of 112 results on record were positive for coliform or another organism the agency tests for. The most recent was January 17, 2023.
They fall across 6 of the 56 samples on record.
Every sample on record, November 1, 2021 to July 6, 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 18 samples in this date range, newest first.
Routine (15).
| Result | Organism |
|---|---|
|
|
| Absence , sample collected Jul 6, 2026 07:15, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Jul 6, 2026 07:15, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Jun 8, 2026 08:13, sampling point DS000 | Coliform (TCR) |
| Absence , sample collected Jun 8, 2026 08:13, sampling point DS000 | E. Coli |
|
|
| Absence , sample collected May 11, 2026 09:12, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected May 11, 2026 09:12, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Apr 8, 2026 09:16, sampling point DS000 | Coliform (TCR) |
| Absence , sample collected Apr 8, 2026 09:16, sampling point DS000 | E. Coli |
|
|
| Absence , sample collected Mar 30, 2026 09:15, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Mar 30, 2026 09:15, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Nov 24, 2025 10:09, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Nov 24, 2025 10:09, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Sep 10, 2025 11:35, sampling point DS000 | Coliform (TCR) |
| Absence , sample collected Sep 10, 2025 11:35, sampling point DS000 | E. Coli |
|
|
| Absence , sample collected Aug 4, 2025 12:40, sampling point DS000 | Coliform (TCR) |
| Absence , sample collected Aug 4, 2025 12:40, sampling point DS000 | E. Coli |
|
|
| Absence , sample collected Jul 8, 2025 12:35, sampling point DS000 | Coliform (TCR) |
| Absence , sample collected Jul 8, 2025 12:35, sampling point DS000 | E. Coli |
|
|
| Absence , sample collected Jun 2, 2025 12:31, sampling point DS000 | Coliform (TCR) |
| Absence , sample collected Jun 2, 2025 12:31, sampling point DS000 | E. Coli |
|
|
| Absence , sample collected May 5, 2025 09:05, sampling point DS000 | Coliform (TCR) |
| Absence , sample collected May 5, 2025 09:05, sampling point DS000 | E. Coli |
|
|
| Absence , sample collected Apr 14, 2025 11:00, sampling point DS000 | Coliform (TCR) |
| Absence , sample collected Apr 14, 2025 11:00, sampling point DS000 | E. Coli |
|
|
| Absence , sample collected Mar 5, 2025 12:45, sampling point DS000 | Coliform (TCR) |
| Absence , sample collected Mar 5, 2025 12:45, sampling point DS000 | E. Coli |
|
|
| Absence , sample collected Feb 3, 2025 10:25, sampling point DS000 | Coliform (TCR) |
| Absence , sample collected Feb 3, 2025 10:25, sampling point DS000 | E. Coli |
|
|
| Absence , sample collected Jan 6, 2025 09:40, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Jan 6, 2025 09:40, sampling point TC0001 | E. Coli |
-
- Collected
- Jul 6, 2026 07:15
- Sampling point
- TC0001 Inside Faucet
- Sample type
- Routine
- Lab sample
- BACT-240508-21279
- Laboratory
- MSDH Lab
- Monitoring period
- Jul 1, 2026 – Jul 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jun 8, 2026 08:13
- Sampling point
- DS000 Distribution DS000
- Sample type
- Routine
- Lab sample
- BACT-240508-21278
- Laboratory
- MSDH Lab
- Monitoring period
- Jun 1, 2026 – Jun 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- May 11, 2026 09:12
- Sampling point
- TC0001 Inside Faucet
- Sample type
- Routine
- Lab sample
- BACT-260302-5263
- Laboratory
- MSDH Lab
- Monitoring period
- May 1, 2026 – May 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Apr 8, 2026 09:16
- Sampling point
- DS000 Distribution DS000
- Sample type
- Routine
- Lab sample
- BACT-260302-5262
- 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 09:15
- Sampling point
- TC0001 Inside Faucet
- Sample type
- Routine
- Lab sample
- BACT-260302-5261
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Nov 24, 2025 10:09
- Sampling point
- TC0001 Inside Faucet
- Sample type
- Routine
- Lab sample
- BACT-240508-21276
- Laboratory
- MSDH Lab
- Monitoring period
- Nov 1, 2025 – Nov 30, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Sep 10, 2025 11:35
- Sampling point
- DS000 Distribution DS000
- Sample type
- Routine
- Lab sample
- BACT-240807-30211
- Laboratory
- MSDH Lab
- Monitoring period
- Sep 1, 2025 – Sep 30, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Aug 4, 2025 12:40
- Sampling point
- DS000 Distribution DS000
- Sample type
- Routine
- Lab sample
- BACT-240807-30210
- Laboratory
- MSDH Lab
- Monitoring period
- Aug 1, 2025 – Aug 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jul 8, 2025 12:35
- Sampling point
- DS000 Distribution DS000
- Sample type
- Routine
- Lab sample
- BACT-240807-30209
- 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 12:31
- Sampling point
- DS000 Distribution DS000
- Sample type
- Routine
- Lab sample
- BACT-240807-30208
- Laboratory
- MSDH Lab
- Monitoring period
- Jun 1, 2025 – Jun 30, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- May 5, 2025 09:05
- Sampling point
- DS000 Distribution DS000
- Sample type
- Routine
- Lab sample
- BACT-240807-30207
- Laboratory
- MSDH Lab
- Monitoring period
- May 1, 2025 – May 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Apr 14, 2025 11:00
- Sampling point
- DS000 Distribution DS000
- Sample type
- Routine
- Lab sample
- BACT-240807-30206
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2025 – Apr 30, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 5, 2025 12:45
- Sampling point
- DS000 Distribution DS000
- Sample type
- Routine
- Lab sample
- BACT-240807-30205
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2025 – Mar 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 3, 2025 10:25
- Sampling point
- DS000 Distribution DS000
- Sample type
- Routine
- Lab sample
- BACT-240807-30204
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2025 – Feb 28, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jan 6, 2025 09:40
- Sampling point
- TC0001 Inside Faucet
- Sample type
- Routine
- Lab sample
- BACT-240807-30202
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2025 – Jan 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli