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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 1,711–1,725 of 3,912 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for City of Madison, 1,711 to 1,725 of 3,912 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
May 1, 2017 11:12
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
925401
Laboratory
MSDH Lab
Monitoring period
May 1, 2017 – May 31, 2017
Absence , sample collected May 1, 2017 11:12, sampling point DS000 Coliform (TCR)
Collected
May 1, 2017 10:35
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
925402
Laboratory
MSDH Lab
Monitoring period
May 1, 2017 – May 31, 2017
Absence , sample collected May 1, 2017 10:35, sampling point DS000 Coliform (TCR)
Collected
May 1, 2017 09:55
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
925403
Laboratory
MSDH Lab
Monitoring period
May 1, 2017 – May 31, 2017
Absence , sample collected May 1, 2017 09:55, sampling point DS000 Coliform (TCR)
Collected
May 1, 2017 09:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
925404
Laboratory
MSDH Lab
Monitoring period
May 1, 2017 – May 31, 2017
Absence , sample collected May 1, 2017 09:30, sampling point DS000 Coliform (TCR)
Collected
Apr 10, 2017 10:51
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
922721
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2017 – Apr 30, 2017
Absence , sample collected Apr 10, 2017 10:51, sampling point DS000 Coliform (TCR)
Collected
Apr 10, 2017 10:19
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
922722
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2017 – Apr 30, 2017
Absence , sample collected Apr 10, 2017 10:19, sampling point DS000 Coliform (TCR)
Collected
Apr 10, 2017 10:44
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
922724
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2017 – Apr 30, 2017
Absence , sample collected Apr 10, 2017 10:44, sampling point DS000 Coliform (TCR)
Collected
Apr 10, 2017 10:08
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
922725
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2017 – Apr 30, 2017
Absence , sample collected Apr 10, 2017 10:08, sampling point DS000 Coliform (TCR)
Collected
Apr 10, 2017 10:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
922726
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2017 – Apr 30, 2017
Absence , sample collected Apr 10, 2017 10:30, sampling point DS000 Coliform (TCR)
Collected
Apr 10, 2017 11:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
922727
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2017 – Apr 30, 2017
Absence , sample collected Apr 10, 2017 11:00, sampling point DS000 Coliform (TCR)
Collected
Apr 10, 2017 11:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
922728
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2017 – Apr 30, 2017
Absence , sample collected Apr 10, 2017 11:00, sampling point DS000 Coliform (TCR)
Collected
Apr 5, 2017 10:07
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
922167
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2017 – Apr 30, 2017
Absence , sample collected Apr 5, 2017 10:07, sampling point DS000 Coliform (TCR)
Collected
Apr 5, 2017 10:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
922168
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2017 – Apr 30, 2017
Absence , sample collected Apr 5, 2017 10:50, sampling point DS000 Coliform (TCR)
Collected
Apr 5, 2017 10:23
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
922169
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2017 – Apr 30, 2017
Absence , sample collected Apr 5, 2017 10:23, sampling point DS000 Coliform (TCR)
Collected
Apr 5, 2017 10:17
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
922170
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2017 – Apr 30, 2017
Absence , sample collected Apr 5, 2017 10:17, sampling point DS000 Coliform (TCR)