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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

MS0450007 , East Madison Water Assn-West

13 of 3,119 results on record were positive for coliform or another organism the agency tests for. The most recent was September 13, 2018.

They fall across 13 of the 2,399 samples on record.

Every sample on record, October 23, 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 25, 2024 and September 25, 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 16–30 of 185 samples in this date range, newest first.

Routine (15).

Coliform and microbial sample results for East Madison Water Assn-West, 16 to 30 of 185 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Jul 7, 2026 11:35
Sampling point
TC0020 Outside Faucet
Sample type
Routine
Lab sample
BACT-251208-69117
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 7, 2026 11:35, sampling point TC0020 Coliform (TCR)
Absence , sample collected Jul 7, 2026 11:35, sampling point TC0020 E. Coli
Collected
Jun 29, 2026 16:10
Sampling point
TC0015 Outside Faucet
Sample type
Routine
Lab sample
BACT-251208-69120
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2026 – Jun 30, 2026
Absence , sample collected Jun 29, 2026 16:10, sampling point TC0015 Coliform (TCR)
Absence , sample collected Jun 29, 2026 16:10, sampling point TC0015 E. Coli
Collected
Jun 2, 2026 12:25
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-251208-69123
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2026 – Jun 30, 2026
Absence , sample collected Jun 2, 2026 12:25, sampling point TC0001 Coliform (TCR)
Absence , sample collected Jun 2, 2026 12:25, sampling point TC0001 E. Coli
Collected
Jun 2, 2026 09:50
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-251208-69127
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2026 – Jun 30, 2026
Absence , sample collected Jun 2, 2026 09:50, sampling point TC0004 Coliform (TCR)
Absence , sample collected Jun 2, 2026 09:50, sampling point TC0004 E. Coli
Collected
Jun 2, 2026 09:20
Sampling point
TC0006 Outside Faucet
Sample type
Routine
Lab sample
BACT-251208-69178
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2026 – Jun 30, 2026
Absence , sample collected Jun 2, 2026 09:20, sampling point TC0006 Coliform (TCR)
Absence , sample collected Jun 2, 2026 09:20, sampling point TC0006 E. Coli
Collected
Jun 2, 2026 10:15
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-251208-69124
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2026 – Jun 30, 2026
Absence , sample collected Jun 2, 2026 10:15, sampling point TC0009 Coliform (TCR)
Absence , sample collected Jun 2, 2026 10:15, sampling point TC0009 E. Coli
Collected
Jun 2, 2026 11:45
Sampling point
TC0013 Outside Faucet
Sample type
Routine
Lab sample
BACT-251208-69122
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2026 – Jun 30, 2026
Absence , sample collected Jun 2, 2026 11:45, sampling point TC0013 Coliform (TCR)
Absence , sample collected Jun 2, 2026 11:45, sampling point TC0013 E. Coli
Collected
Jun 2, 2026 10:30
Sampling point
TC0015 Outside Faucet
Sample type
Routine
Lab sample
BACT-251208-69125
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2026 – Jun 30, 2026
Absence , sample collected Jun 2, 2026 10:30, sampling point TC0015 Coliform (TCR)
Absence , sample collected Jun 2, 2026 10:30, sampling point TC0015 E. Coli
Collected
Jun 2, 2026 10:45
Sampling point
TC0017 Outside Faucet
Sample type
Routine
Lab sample
BACT-251208-69121
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2026 – Jun 30, 2026
Absence , sample collected Jun 2, 2026 10:45, sampling point TC0017 Coliform (TCR)
Absence , sample collected Jun 2, 2026 10:45, sampling point TC0017 E. Coli
Collected
Jun 2, 2026 10:00
Sampling point
TC0020 Outside Faucet
Sample type
Routine
Lab sample
BACT-251208-69126
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2026 – Jun 30, 2026
Absence , sample collected Jun 2, 2026 10:00, sampling point TC0020 Coliform (TCR)
Absence , sample collected Jun 2, 2026 10:00, sampling point TC0020 E. Coli
Collected
May 5, 2026 10:55
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-251208-69185
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 5, 2026 10:55, sampling point TC0004 Coliform (TCR)
Absence , sample collected May 5, 2026 10:55, sampling point TC0004 E. Coli
Collected
May 5, 2026 11:15
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
BACT-251208-69184
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 5, 2026 11:15, sampling point TC0005 Coliform (TCR)
Absence , sample collected May 5, 2026 11:15, sampling point TC0005 E. Coli
Collected
May 5, 2026 10:35
Sampling point
TC0006 Outside Faucet
Sample type
Routine
Lab sample
BACT-251208-69186
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 5, 2026 10:35, sampling point TC0006 Coliform (TCR)
Absence , sample collected May 5, 2026 10:35, sampling point TC0006 E. Coli
Collected
May 5, 2026 14:10
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-251208-69179
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 5, 2026 14:10, sampling point TC0007 Coliform (TCR)
Absence , sample collected May 5, 2026 14:10, sampling point TC0007 E. Coli
Collected
May 5, 2026 11:25
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-251208-69182
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 5, 2026 11:25, sampling point TC0009 Coliform (TCR)
Absence , sample collected May 5, 2026 11:25, sampling point TC0009 E. Coli