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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 5,263 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 3,912 samples on record.

Every sample on record, October 13, 2003 to September 2, 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 976–990 of 3,912 samples on record, newest first.

Routine (8), TG (4) and Repeat (3). The agency publishes no name for the code TG, so none is shown — this page does not invent labels the agency has not published.

Coliform and microbial sample results for City of Madison, 976 to 990 of 3,912 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
May 6, 2021 09:10
Sampling point
TC0012 Outside Faucet
Sample type
Routine
Lab sample
BACT-200821-46770
Laboratory
MSDH Lab
Monitoring period
May 1, 2021 – May 31, 2021
Absence , sample collected May 6, 2021 09:10, sampling point TC0012 Coliform (TCR)
Absence , sample collected May 6, 2021 09:10, sampling point TC0012 E. Coli
Collected
May 6, 2021 08:12
Sampling point
TC0015 Outside Faucet
Sample type
Routine
Lab sample
BACT-200821-46766
Laboratory
MSDH Lab
Monitoring period
May 1, 2021 – May 31, 2021
Absence , sample collected May 6, 2021 08:12, sampling point TC0015 Coliform (TCR)
Absence , sample collected May 6, 2021 08:12, sampling point TC0015 E. Coli
Collected
May 6, 2021 10:25
Sampling point
TC0016 Outside Faucet
Sample type
Routine
Lab sample
BACT-200821-46776
Laboratory
MSDH Lab
Monitoring period
May 1, 2021 – May 31, 2021
Absence , sample collected May 6, 2021 10:25, sampling point TC0016 Coliform (TCR)
Absence , sample collected May 6, 2021 10:25, sampling point TC0016 E. Coli
Collected
May 6, 2021 09:43
Sampling point
TC0020 Outside Faucet
Sample type
Routine
Lab sample
BACT-200821-46773
Laboratory
MSDH Lab
Monitoring period
May 1, 2021 – May 31, 2021
Absence , sample collected May 6, 2021 09:43, sampling point TC0020 Coliform (TCR)
Absence , sample collected May 6, 2021 09:43, sampling point TC0020 E. Coli
Collected
May 6, 2021 09:55
Sampling point
TC0026 Outside Faucet
Sample type
Routine
Lab sample
BACT-200821-46774
Laboratory
MSDH Lab
Monitoring period
May 1, 2021 – May 31, 2021
Absence , sample collected May 6, 2021 09:55, sampling point TC0026 Coliform (TCR)
Absence , sample collected May 6, 2021 09:55, sampling point TC0026 E. Coli
Collected
Apr 9, 2021 13:30
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
BACT-200821-46756
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2021 – Apr 30, 2021
Absence , sample collected Apr 9, 2021 13:30, sampling point DS000 Coliform (TCR)
Absence , sample collected Apr 9, 2021 13:30, sampling point DS000 E. Coli
Collected
Apr 9, 2021 13:33
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
BACT-200821-46757
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2021 – Apr 30, 2021
Absence , sample collected Apr 9, 2021 13:33, sampling point DS000 Coliform (TCR)
Absence , sample collected Apr 9, 2021 13:33, sampling point DS000 E. Coli
Collected
Apr 9, 2021 13:37
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
BACT-200821-46758
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2021 – Apr 30, 2021
Absence , sample collected Apr 9, 2021 13:37, sampling point DS000 Coliform (TCR)
Absence , sample collected Apr 9, 2021 13:37, sampling point DS000 E. Coli
Collected
Apr 9, 2021 13:55
Sampling point
WL002 Well W002
Sample type
TG
Lab sample
BACT-200821-46762
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2021 – Apr 30, 2021
Absence , sample collected Apr 9, 2021 13:55, sampling point WL002 Coliform (TCR)
Absence , sample collected Apr 9, 2021 13:55, sampling point WL002 E. Coli
Collected
Apr 9, 2021 13:42
Sampling point
WL003 Well W003
Sample type
TG
Lab sample
BACT-200821-46760
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2021 – Apr 30, 2021
Absence , sample collected Apr 9, 2021 13:42, sampling point WL003 Coliform (TCR)
Absence , sample collected Apr 9, 2021 13:42, sampling point WL003 E. Coli
Collected
Apr 9, 2021 13:15
Sampling point
WL004 Well W004
Sample type
TG
Lab sample
BACT-200821-46759
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2021 – Apr 30, 2021
Absence , sample collected Apr 9, 2021 13:15, sampling point WL004 Coliform (TCR)
Absence , sample collected Apr 9, 2021 13:15, sampling point WL004 E. Coli
Collected
Apr 9, 2021 13:48
Sampling point
WL005 Well WL005
Sample type
TG
Lab sample
BACT-200821-46761
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2021 – Apr 30, 2021
Absence , sample collected Apr 9, 2021 13:48, sampling point WL005 Coliform (TCR)
Absence , sample collected Apr 9, 2021 13:48, sampling point WL005 E. Coli
Collected
Apr 6, 2021 08:50
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-200505-18759
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2021 – Apr 30, 2021
Absence , sample collected Apr 6, 2021 08:50, sampling point TC0002 Coliform (TCR)
Absence , sample collected Apr 6, 2021 08:50, sampling point TC0002 E. Coli
Collected
Apr 6, 2021 10:15
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-200821-46752
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2021 – Apr 30, 2021
Absence , sample collected Apr 6, 2021 10:15, sampling point TC0004 Coliform (TCR)
Absence , sample collected Apr 6, 2021 10:15, sampling point TC0004 E. Coli
Collected
Apr 6, 2021 09:25
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
BACT-200821-46749
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2021 – Apr 30, 2021
Absence , sample collected Apr 6, 2021 09:25, sampling point TC0005 Coliform (TCR)
Absence , sample collected Apr 6, 2021 09:25, sampling point TC0005 E. Coli