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
MS0200001 , Combined Utilities
18 of 2,418 results on record were positive for coliform or another organism the agency tests for. The most recent was February 13, 2023.
They fall across 18 of the 1,778 samples on record.
Every sample on record, October 27, 2003 to August 5, 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 16–30 of 161 samples in this date range, newest first.
Routine (15).
| Result | Organism |
|---|---|
|
|
| Absence , sample collected Jun 3, 2026 13:20, sampling point TC0012 | Coliform (TCR) |
| Absence , sample collected Jun 3, 2026 13:20, sampling point TC0012 | E. Coli |
|
|
| Absence , sample collected Jun 3, 2026 13:10, sampling point TC0013 | Coliform (TCR) |
| Absence , sample collected Jun 3, 2026 13:10, sampling point TC0013 | E. Coli |
|
|
| Absence , sample collected Jun 2, 2026 13:15, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Jun 2, 2026 13:15, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Jun 2, 2026 13:25, sampling point TC0004 | Coliform (TCR) |
| Absence , sample collected Jun 2, 2026 13:25, sampling point TC0004 | E. Coli |
|
|
| Absence , sample collected Jun 2, 2026 13:50, sampling point TC0005 | Coliform (TCR) |
| Absence , sample collected Jun 2, 2026 13:50, sampling point TC0005 | E. Coli |
|
|
| Absence , sample collected Jun 2, 2026 13:35, sampling point TC0006 | Coliform (TCR) |
| Absence , sample collected Jun 2, 2026 13:35, sampling point TC0006 | E. Coli |
|
|
| Absence , sample collected May 5, 2026 12:50, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected May 5, 2026 12:50, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected May 5, 2026 13:10, sampling point TC0004 | Coliform (TCR) |
| Absence , sample collected May 5, 2026 13:10, sampling point TC0004 | E. Coli |
|
|
| Absence , sample collected May 5, 2026 13:20, sampling point TC0005 | Coliform (TCR) |
| Absence , sample collected May 5, 2026 13:20, sampling point TC0005 | E. Coli |
|
|
| Absence , sample collected May 4, 2026 13:05, sampling point TC0003 | Coliform (TCR) |
| Absence , sample collected May 4, 2026 13:05, sampling point TC0003 | E. Coli |
|
|
| Absence , sample collected May 4, 2026 13:35, sampling point TC0012 | Coliform (TCR) |
| Absence , sample collected May 4, 2026 13:35, sampling point TC0012 | E. Coli |
|
|
| Absence , sample collected May 4, 2026 13:15, sampling point TC0013 | Coliform (TCR) |
| Absence , sample collected May 4, 2026 13:15, sampling point TC0013 | E. Coli |
|
|
| Absence , sample collected May 4, 2026 13:25, sampling point TC0015 | Coliform (TCR) |
| Absence , sample collected May 4, 2026 13:25, sampling point TC0015 | E. Coli |
|
|
| Absence , sample collected Apr 7, 2026 13:00, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Apr 7, 2026 13:00, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Apr 7, 2026 13:10, sampling point TC0004 | Coliform (TCR) |
| Absence , sample collected Apr 7, 2026 13:10, sampling point TC0004 | E. Coli |
-
- Collected
- Jun 3, 2026 13:20
- Sampling point
- TC0012 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250814-44442
- Laboratory
- MSDH Lab
- Monitoring period
- Jun 1, 2026 – Jun 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jun 3, 2026 13:10
- Sampling point
- TC0013 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250814-44441
- Laboratory
- MSDH Lab
- Monitoring period
- Jun 1, 2026 – Jun 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jun 2, 2026 13:15
- Sampling point
- TC0001 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250814-44536
- Laboratory
- MSDH Lab
- Monitoring period
- Jun 1, 2026 – Jun 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jun 2, 2026 13:25
- Sampling point
- TC0004 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250814-44437
- Laboratory
- MSDH Lab
- Monitoring period
- Jun 1, 2026 – Jun 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jun 2, 2026 13:50
- Sampling point
- TC0005 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250814-44439
- Laboratory
- MSDH Lab
- Monitoring period
- Jun 1, 2026 – Jun 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jun 2, 2026 13:35
- Sampling point
- TC0006 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250814-44438
- Laboratory
- MSDH Lab
- Monitoring period
- Jun 1, 2026 – Jun 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- May 5, 2026 12:50
- Sampling point
- TC0001 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250814-44531
- Laboratory
- MSDH Lab
- Monitoring period
- May 1, 2026 – May 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- May 5, 2026 13:10
- Sampling point
- TC0004 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250814-44532
- Laboratory
- MSDH Lab
- Monitoring period
- May 1, 2026 – May 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- May 5, 2026 13:20
- Sampling point
- TC0005 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250814-44533
- Laboratory
- MSDH Lab
- Monitoring period
- May 1, 2026 – May 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- May 4, 2026 13:05
- Sampling point
- TC0003 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250814-44526
- Laboratory
- MSDH Lab
- Monitoring period
- May 1, 2026 – May 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- May 4, 2026 13:35
- Sampling point
- TC0012 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250814-44529
- Laboratory
- MSDH Lab
- Monitoring period
- May 1, 2026 – May 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- May 4, 2026 13:15
- Sampling point
- TC0013 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250814-44527
- Laboratory
- MSDH Lab
- Monitoring period
- May 1, 2026 – May 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- May 4, 2026 13:25
- Sampling point
- TC0015 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250814-44528
- 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 13:00
- Sampling point
- TC0001 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250814-44523
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2026 – Apr 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Apr 7, 2026 13:10
- Sampling point
- TC0004 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250814-44524
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2026 – Apr 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli