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
MS0610030 , Union Water Association
4 of 388 results on record were positive for coliform or another organism the agency tests for. The most recent was September 19, 2022.
They fall across 4 of the 289 samples on record.
Every sample on record, October 15, 2003 to July 22, 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 22 samples in this date range, newest first.
Routine (15).
| Result | Organism |
|---|---|
|
|
| Absence , sample collected Jul 22, 2026 13:00, sampling point TC0012 | Coliform (TCR) |
| Absence , sample collected Jul 22, 2026 13:00, sampling point TC0012 | E. Coli |
|
|
| Absence , sample collected Jun 23, 2026 09:30, sampling point TC0011 | Coliform (TCR) |
| Absence , sample collected Jun 23, 2026 09:30, sampling point TC0011 | E. Coli |
|
|
| Absence , sample collected May 27, 2026 08:00, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected May 27, 2026 08:00, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Apr 29, 2026 17:00, sampling point TC0013 | Coliform (TCR) |
| Absence , sample collected Apr 29, 2026 17:00, sampling point TC0013 | E. Coli |
|
|
| Absence , sample collected Mar 25, 2026 07:30, sampling point TC0012 | Coliform (TCR) |
| Absence , sample collected Mar 25, 2026 07:30, sampling point TC0012 | E. Coli |
|
|
| Absence , sample collected Feb 25, 2026 07:00, sampling point TC0011 | Coliform (TCR) |
| Absence , sample collected Feb 25, 2026 07:00, sampling point TC0011 | E. Coli |
|
|
| Absence , sample collected Jan 22, 2026 14:30, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Jan 22, 2026 14:30, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Dec 16, 2025 12:30, sampling point TC0013 | Coliform (TCR) |
| Absence , sample collected Dec 16, 2025 12:30, sampling point TC0013 | E. Coli |
|
|
| Absence , sample collected Nov 19, 2025 13:30, sampling point TC0012 | Coliform (TCR) |
| Absence , sample collected Nov 19, 2025 13:30, sampling point TC0012 | E. Coli |
|
|
| Absence , sample collected Oct 22, 2025 07:00, sampling point TC0011 | Coliform (TCR) |
| Absence , sample collected Oct 22, 2025 07:00, sampling point TC0011 | E. Coli |
|
|
| Absence , sample collected Sep 29, 2025 06:45, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Sep 29, 2025 06:45, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Aug 19, 2025 13:50, sampling point TC0013 | Coliform (TCR) |
| Absence , sample collected Aug 19, 2025 13:50, sampling point TC0013 | E. Coli |
|
|
| Absence , sample collected Jul 23, 2025, sampling point TC0012 | Coliform (TCR) |
| Absence , sample collected Jul 23, 2025, sampling point TC0012 | E. Coli |
|
|
| Absence , sample collected Jun 18, 2025 09:30, sampling point TC0011 | Coliform (TCR) |
| Absence , sample collected Jun 18, 2025 09:30, sampling point TC0011 | E. Coli |
|
|
| Absence , sample collected May 20, 2025 14:00, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected May 20, 2025 14:00, sampling point TC0001 | E. Coli |
-
- Collected
- Jul 22, 2026 13:00
- Sampling point
- TC0012 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250520-27660
- Laboratory
- MSDH Lab
- Monitoring period
- Jul 1, 2026 – Jul 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jun 23, 2026 09:30
- Sampling point
- TC0011 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250520-27659
- Laboratory
- MSDH Lab
- Monitoring period
- Jun 1, 2026 – Jun 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- May 27, 2026 08:00
- Sampling point
- TC0001 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250520-27658
- Laboratory
- MSDH Lab
- Monitoring period
- May 1, 2026 – May 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Apr 29, 2026 17:00
- Sampling point
- TC0013 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250520-27645
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2026 – Apr 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 25, 2026 07:30
- Sampling point
- TC0012 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250520-27644
- 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 07:00
- Sampling point
- TC0011 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250520-27643
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2026 – Feb 28, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jan 22, 2026 14:30
- Sampling point
- TC0001 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250520-27651
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2026 – Jan 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Dec 16, 2025 12:30
- Sampling point
- TC0013 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250520-27650
- Laboratory
- MSDH Lab
- Monitoring period
- Dec 1, 2025 – Dec 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Nov 19, 2025 13:30
- Sampling point
- TC0012 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250520-27649
- Laboratory
- MSDH Lab
- Monitoring period
- Nov 1, 2025 – Nov 30, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Oct 22, 2025 07:00
- Sampling point
- TC0011 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250520-27648
- Laboratory
- MSDH Lab
- Monitoring period
- Oct 1, 2025 – Oct 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Sep 29, 2025 06:45
- Sampling point
- TC0001 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250520-27642
- Laboratory
- MSDH Lab
- Monitoring period
- Sep 1, 2025 – Sep 30, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Aug 19, 2025 13:50
- Sampling point
- TC0013 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250520-27641
- Laboratory
- MSDH Lab
- Monitoring period
- Aug 1, 2025 – Aug 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jul 23, 2025
- Sampling point
- TC0012 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250520-27640
- Laboratory
- MSDH Lab
- Monitoring period
- Jul 1, 2025 – Jul 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jun 18, 2025 09:30
- Sampling point
- TC0011 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250520-27639
- Laboratory
- MSDH Lab
- Monitoring period
- Jun 1, 2025 – Jun 30, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- May 20, 2025 14:00
- Sampling point
- TC0001 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250520-27638
- Laboratory
- MSDH Lab
- Monitoring period
- May 1, 2025 – May 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli