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
MS0450010 , City of Madison
10 of 5,233 results on record were positive for coliform or another organism the agency tests for. The most recent was April 5, 2021.
They fall across 10 of the 3,897 samples on record.
Every sample on record, October 13, 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 27, 2024 and September 27, 2026. That is this page’s default, not a limit on what the agency records.
Choose a date range
The list below shows 346–346 of 346 samples in this date range, newest first.
Routine (1).
| Result | Organism |
|---|---|
|
|
| Absence , sample collected Oct 1, 2024 09:20, sampling point TC0028 | Coliform (TCR) |
| Absence , sample collected Oct 1, 2024 09:20, sampling point TC0028 | E. Coli |
-
- Collected
- Oct 1, 2024 09:20
- Sampling point
- TC0028 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-241001-41094
- Laboratory
- MSDH Lab
- Monitoring period
- Oct 1, 2024 – Oct 31, 2024
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli