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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. No date range is applied.

This system’s violations

The most recent samples

No date range is applied: this list draws on every sample on record. Show the last two years only.

The list below shows 601–615 of 3,897 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for City of Madison, 601 to 615 of 3,897 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
May 1, 2023 10:35
Sampling point
TC0026 Outside Faucet
Sample type
Routine
Lab sample
BACT-221212-43183
Laboratory
MSDH Lab
Monitoring period
May 1, 2023 – May 31, 2023
Absence , sample collected May 1, 2023 10:35, sampling point TC0026 Coliform (TCR)
Absence , sample collected May 1, 2023 10:35, sampling point TC0026 E. Coli
Collected
Apr 5, 2023 11:28
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-221212-43189
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2023 – Apr 30, 2023
Absence , sample collected Apr 5, 2023 11:28, sampling point TC0002 Coliform (TCR)
Absence , sample collected Apr 5, 2023 11:28, sampling point TC0002 E. Coli
Collected
Apr 5, 2023 09:53
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-221212-43237
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2023 – Apr 30, 2023
Absence , sample collected Apr 5, 2023 09:53, sampling point TC0003 Coliform (TCR)
Absence , sample collected Apr 5, 2023 09:53, sampling point TC0003 E. Coli
Collected
Apr 5, 2023 10:05
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-221212-43238
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2023 – Apr 30, 2023
Absence , sample collected Apr 5, 2023 10:05, sampling point TC0004 Coliform (TCR)
Absence , sample collected Apr 5, 2023 10:05, sampling point TC0004 E. Coli
Collected
Apr 5, 2023 10:55
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-221212-43240
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2023 – Apr 30, 2023
Absence , sample collected Apr 5, 2023 10:55, sampling point TC0007 Coliform (TCR)
Absence , sample collected Apr 5, 2023 10:55, sampling point TC0007 E. Coli
Collected
Apr 5, 2023 11:07
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-221212-43190
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2023 – Apr 30, 2023
Absence , sample collected Apr 5, 2023 11:07, sampling point TC0008 Coliform (TCR)
Absence , sample collected Apr 5, 2023 11:07, sampling point TC0008 E. Coli
Collected
Apr 5, 2023 09:30
Sampling point
TC0020 Outside Faucet
Sample type
Routine
Lab sample
BACT-221212-43250
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2023 – Apr 30, 2023
Absence , sample collected Apr 5, 2023 09:30, sampling point TC0020 Coliform (TCR)
Absence , sample collected Apr 5, 2023 09:30, sampling point TC0020 E. Coli
Collected
Apr 5, 2023 10:40
Sampling point
TC0024 Outside Faucet
Sample type
Routine
Lab sample
BACT-221212-43239
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2023 – Apr 30, 2023
Absence , sample collected Apr 5, 2023 10:40, sampling point TC0024 Coliform (TCR)
Absence , sample collected Apr 5, 2023 10:40, sampling point TC0024 E. Coli
Collected
Apr 5, 2023 09:45
Sampling point
TC0026 Outside Faucet
Sample type
Routine
Lab sample
BACT-221212-43236
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2023 – Apr 30, 2023
Absence , sample collected Apr 5, 2023 09:45, sampling point TC0026 Coliform (TCR)
Absence , sample collected Apr 5, 2023 09:45, sampling point TC0026 E. Coli
Collected
Apr 3, 2023 11:22
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-221212-43247
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2023 – Apr 30, 2023
Absence , sample collected Apr 3, 2023 11:22, sampling point TC0001 Coliform (TCR)
Absence , sample collected Apr 3, 2023 11:22, sampling point TC0001 E. Coli
Collected
Apr 3, 2023 09:02
Sampling point
TC0010 Outside Faucet
Sample type
Routine
Lab sample
BACT-221212-43243
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2023 – Apr 30, 2023
Absence , sample collected Apr 3, 2023 09:02, sampling point TC0010 Coliform (TCR)
Absence , sample collected Apr 3, 2023 09:02, sampling point TC0010 E. Coli
Collected
Apr 3, 2023 09:50
Sampling point
TC0012 Outside Faucet
Sample type
Routine
Lab sample
BACT-221212-43244
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2023 – Apr 30, 2023
Absence , sample collected Apr 3, 2023 09:50, sampling point TC0012 Coliform (TCR)
Absence , sample collected Apr 3, 2023 09:50, sampling point TC0012 E. Coli
Collected
Apr 3, 2023 12:10
Sampling point
TC0014 Outside Faucet
Sample type
Routine
Lab sample
BACT-221212-43248
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2023 – Apr 30, 2023
Absence , sample collected Apr 3, 2023 12:10, sampling point TC0014 Coliform (TCR)
Absence , sample collected Apr 3, 2023 12:10, sampling point TC0014 E. Coli
Collected
Apr 3, 2023 10:55
Sampling point
TC0015 Outside Faucet
Sample type
Routine
Lab sample
BACT-221212-43246
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2023 – Apr 30, 2023
Absence , sample collected Apr 3, 2023 10:55, sampling point TC0015 Coliform (TCR)
Absence , sample collected Apr 3, 2023 10:55, sampling point TC0015 E. Coli
Collected
Apr 3, 2023 12:30
Sampling point
TC0016 Outside Faucet
Sample type
Routine
Lab sample
BACT-221212-43249
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2023 – Apr 30, 2023
Absence , sample collected Apr 3, 2023 12:30, sampling point TC0016 Coliform (TCR)
Absence , sample collected Apr 3, 2023 12:30, sampling point TC0016 E. Coli