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
MS0450007 , East Madison Water Assn-West
13 of 3,119 results on record were positive for coliform or another organism the agency tests for. The most recent was September 13, 2018.
They fall across 13 of the 2,399 samples on record.
Every sample on record, October 23, 2003 to August 4, 2026. These figures cover the whole record; the list of samples further down is narrowed.
The most recent samples
Showing samples collected between September 26, 2024 and September 26, 2026. That is this page’s default, not a limit on what the agency records.
Choose a date range
The list below shows 31–45 of 185 samples in this date range, newest first.
Routine (15).
| Result | Organism |
|---|---|
|
|
| Absence , sample collected May 5, 2026 13:30, sampling point TC0013 | Coliform (TCR) |
| Absence , sample collected May 5, 2026 13:30, sampling point TC0013 | E. Coli |
|
|
| Absence , sample collected May 5, 2026 12:15, sampling point TC0015 | Coliform (TCR) |
| Absence , sample collected May 5, 2026 12:15, sampling point TC0015 | E. Coli |
|
|
| Absence , sample collected May 5, 2026 11:50, sampling point TC0020 | Coliform (TCR) |
| Absence , sample collected May 5, 2026 11:50, sampling point TC0020 | E. Coli |
|
|
| Absence , sample collected Apr 2, 2026 10:40, sampling point TC0004 | Coliform (TCR) |
| Absence , sample collected Apr 2, 2026 10:40, sampling point TC0004 | E. Coli |
|
|
| Absence , sample collected Apr 2, 2026 10:20, sampling point TC0006 | Coliform (TCR) |
| Absence , sample collected Apr 2, 2026 10:20, sampling point TC0006 | E. Coli |
|
|
| Absence , sample collected Apr 2, 2026 12:35, sampling point TC0008 | Coliform (TCR) |
| Absence , sample collected Apr 2, 2026 12:35, sampling point TC0008 | E. Coli |
|
|
| Absence , sample collected Apr 2, 2026 11:15, sampling point TC0009 | Coliform (TCR) |
| Absence , sample collected Apr 2, 2026 11:15, sampling point TC0009 | E. Coli |
|
|
| Absence , sample collected Apr 2, 2026 11:45, sampling point TC0015 | Coliform (TCR) |
| Absence , sample collected Apr 2, 2026 11:45, sampling point TC0015 | E. Coli |
|
|
| Absence , sample collected Apr 2, 2026 13:30, sampling point TC0016 | Coliform (TCR) |
| Absence , sample collected Apr 2, 2026 13:30, sampling point TC0016 | E. Coli |
|
|
| Absence , sample collected Apr 2, 2026 12:15, sampling point TC0017 | Coliform (TCR) |
| Absence , sample collected Apr 2, 2026 12:15, sampling point TC0017 | E. Coli |
|
|
| Absence , sample collected Apr 2, 2026 10:55, sampling point TC0020 | Coliform (TCR) |
| Absence , sample collected Apr 2, 2026 10:55, sampling point TC0020 | E. Coli |
|
|
| Absence , sample collected Mar 3, 2026 13:25, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Mar 3, 2026 13:25, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Mar 3, 2026 09:30, sampling point TC0005 | Coliform (TCR) |
| Absence , sample collected Mar 3, 2026 09:30, sampling point TC0005 | E. Coli |
|
|
| Absence , sample collected Mar 3, 2026 09:10, sampling point TC0006 | Coliform (TCR) |
| Absence , sample collected Mar 3, 2026 09:10, sampling point TC0006 | E. Coli |
|
|
| Absence , sample collected Mar 3, 2026 12:45, sampling point TC0007 | Coliform (TCR) |
| Absence , sample collected Mar 3, 2026 12:45, sampling point TC0007 | E. Coli |
-
- Collected
- May 5, 2026 13:30
- Sampling point
- TC0013 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-251208-69180
- 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 12:15
- Sampling point
- TC0015 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-251208-69181
- 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 11:50
- Sampling point
- TC0020 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-251208-69183
- Laboratory
- MSDH Lab
- Monitoring period
- May 1, 2026 – May 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Apr 2, 2026 10:40
- Sampling point
- TC0004 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-251208-69174
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2026 – Apr 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Apr 2, 2026 10:20
- Sampling point
- TC0006 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-251208-69175
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2026 – Apr 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Apr 2, 2026 12:35
- Sampling point
- TC0008 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-251208-69169
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2026 – Apr 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Apr 2, 2026 11:15
- Sampling point
- TC0009 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-251208-69172
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2026 – Apr 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Apr 2, 2026 11:45
- Sampling point
- TC0015 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-251208-69171
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2026 – Apr 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Apr 2, 2026 13:30
- Sampling point
- TC0016 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-251208-69168
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2026 – Apr 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Apr 2, 2026 12:15
- Sampling point
- TC0017 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-251208-69170
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2026 – Apr 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Apr 2, 2026 10:55
- Sampling point
- TC0020 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-251208-69173
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2026 – Apr 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 3, 2026 13:25
- Sampling point
- TC0001 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-251208-69176
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 3, 2026 09:30
- Sampling point
- TC0005 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-251208-69163
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 3, 2026 09:10
- Sampling point
- TC0006 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-251208-69164
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 3, 2026 12:45
- Sampling point
- TC0007 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-251208-69177
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli