Skip to main content
Alpha

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.

This system’s violations

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.

Show every sample on record

Choose a date range

The list below shows 271–285 of 346 samples in this date range, newest first.

Routine (15).

Coliform and microbial sample results for City of Madison, 271 to 285 of 346 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Mar 3, 2025 14:25
Sampling point
TC0016 Outside Faucet
Sample type
Routine
Lab sample
BACT-240529-24280
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2025 – Mar 31, 2025
Absence , sample collected Mar 3, 2025 14:25, sampling point TC0016 Coliform (TCR)
Absence , sample collected Mar 3, 2025 14:25, sampling point TC0016 E. Coli
Collected
Feb 4, 2025 12:55
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-240529-24272
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2025 – Feb 28, 2025
Absence , sample collected Feb 4, 2025 12:55, sampling point TC0007 Coliform (TCR)
Absence , sample collected Feb 4, 2025 12:55, sampling point TC0007 E. Coli
Collected
Feb 4, 2025 13:07
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-240529-24273
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2025 – Feb 28, 2025
Absence , sample collected Feb 4, 2025 13:07, sampling point TC0008 Coliform (TCR)
Absence , sample collected Feb 4, 2025 13:07, sampling point TC0008 E. Coli
Collected
Feb 4, 2025 13:50
Sampling point
TC0013 Outside Faucet
Sample type
Routine
Lab sample
BACT-240529-24276
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2025 – Feb 28, 2025
Absence , sample collected Feb 4, 2025 13:50, sampling point TC0013 Coliform (TCR)
Absence , sample collected Feb 4, 2025 13:50, sampling point TC0013 E. Coli
Collected
Feb 4, 2025 13:35
Sampling point
TC0014 Outside Faucet
Sample type
Routine
Lab sample
BACT-240529-24274
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2025 – Feb 28, 2025
Absence , sample collected Feb 4, 2025 13:35, sampling point TC0014 Coliform (TCR)
Absence , sample collected Feb 4, 2025 13:35, sampling point TC0014 E. Coli
Collected
Feb 4, 2025 12:15
Sampling point
TC0016 Outside Faucet
Sample type
Routine
Lab sample
BACT-240529-24240
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2025 – Feb 28, 2025
Absence , sample collected Feb 4, 2025 12:15, sampling point TC0016 Coliform (TCR)
Absence , sample collected Feb 4, 2025 12:15, sampling point TC0016 E. Coli
Collected
Feb 4, 2025 13:30
Sampling point
TC0026 Outside Faucet
Sample type
Routine
Lab sample
BACT-240529-24275
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2025 – Feb 28, 2025
Absence , sample collected Feb 4, 2025 13:30, sampling point TC0026 Coliform (TCR)
Absence , sample collected Feb 4, 2025 13:30, sampling point TC0026 E. Coli
Collected
Feb 4, 2025 12:48
Sampling point
TC0028 Outside Faucet
Sample type
Routine
Lab sample
BACT-240529-24241
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2025 – Feb 28, 2025
Absence , sample collected Feb 4, 2025 12:48, sampling point TC0028 Coliform (TCR)
Absence , sample collected Feb 4, 2025 12:48, sampling point TC0028 E. Coli
Collected
Feb 3, 2025 08:55
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-240529-24212
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2025 – Feb 28, 2025
Absence , sample collected Feb 3, 2025 08:55, sampling point TC0001 Coliform (TCR)
Absence , sample collected Feb 3, 2025 08:55, sampling point TC0001 E. Coli
Collected
Feb 3, 2025 10:30
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-240529-24214
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2025 – Feb 28, 2025
Absence , sample collected Feb 3, 2025 10:30, sampling point TC0003 Coliform (TCR)
Absence , sample collected Feb 3, 2025 10:30, sampling point TC0003 E. Coli
Collected
Feb 3, 2025 07:40
Sampling point
TC0010 Outside Faucet
Sample type
Routine
Lab sample
BACT-240529-24217
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2025 – Feb 28, 2025
Absence , sample collected Feb 3, 2025 07:40, sampling point TC0010 Coliform (TCR)
Absence , sample collected Feb 3, 2025 07:40, sampling point TC0010 E. Coli
Collected
Feb 3, 2025 08:30
Sampling point
TC0011 Outside Faucet
Sample type
Routine
Lab sample
BACT-240529-24215
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2025 – Feb 28, 2025
Absence , sample collected Feb 3, 2025 08:30, sampling point TC0011 Coliform (TCR)
Absence , sample collected Feb 3, 2025 08:30, sampling point TC0011 E. Coli
Collected
Feb 3, 2025 09:25
Sampling point
TC0015 Outside Faucet
Sample type
Routine
Lab sample
BACT-240529-24213
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2025 – Feb 28, 2025
Absence , sample collected Feb 3, 2025 09:25, sampling point TC0015 Coliform (TCR)
Absence , sample collected Feb 3, 2025 09:25, sampling point TC0015 E. Coli
Collected
Feb 3, 2025 11:30
Sampling point
TC0020 Outside Faucet
Sample type
Routine
Lab sample
BACT-240529-24239
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2025 – Feb 28, 2025
Absence , sample collected Feb 3, 2025 11:30, sampling point TC0020 Coliform (TCR)
Absence , sample collected Feb 3, 2025 11:30, sampling point TC0020 E. Coli
Collected
Feb 3, 2025 11:18
Sampling point
TC0023 Outside Faucet
Sample type
Routine
Lab sample
BACT-240529-24238
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2025 – Feb 28, 2025
Absence , sample collected Feb 3, 2025 11:18, sampling point TC0023 Coliform (TCR)
Absence , sample collected Feb 3, 2025 11:18, sampling point TC0023 E. Coli