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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 26, 2024 and September 26, 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 61–75 of 185 samples in this date range, newest first.

Routine (15).

Coliform and microbial sample results for East Madison Water Assn-West, 61 to 75 of 185 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Jan 6, 2026 12:10
Sampling point
TC0015 Outside Faucet
Sample type
Routine
Lab sample
BACT-250902-46396
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 6, 2026 12:10, sampling point TC0015 Coliform (TCR)
Absence , sample collected Jan 6, 2026 12:10, sampling point TC0015 E. Coli
Collected
Jan 6, 2026 12:20
Sampling point
TC0017 Outside Faucet
Sample type
Routine
Lab sample
BACT-260106-083
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 6, 2026 12:20, sampling point TC0017 Coliform (TCR)
Absence , sample collected Jan 6, 2026 12:20, sampling point TC0017 E. Coli
Collected
Jan 6, 2026 12:25
Sampling point
TC0018 Outside Faucet
Sample type
Routine
Lab sample
BACT-260106-082
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 6, 2026 12:25, sampling point TC0018 Coliform (TCR)
Absence , sample collected Jan 6, 2026 12:25, sampling point TC0018 E. Coli
Collected
Jan 6, 2026 13:35
Sampling point
TC0019 Outside Faucet
Sample type
Routine
Lab sample
BACT-260106-085
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 6, 2026 13:35, sampling point TC0019 Coliform (TCR)
Absence , sample collected Jan 6, 2026 13:35, sampling point TC0019 E. Coli
Collected
Jan 6, 2026 11:20
Sampling point
TC0020 Outside Faucet
Sample type
Routine
Lab sample
BACT-250902-46395
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 6, 2026 11:20, sampling point TC0020 Coliform (TCR)
Absence , sample collected Jan 6, 2026 11:20, sampling point TC0020 E. Coli
Collected
Dec 2, 2025 10:50
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-251104-58965
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 2, 2025 10:50, sampling point TC0004 Coliform (TCR)
Absence , sample collected Dec 2, 2025 10:50, sampling point TC0004 E. Coli
Collected
Dec 2, 2025 10:20
Sampling point
TC0006 Outside Faucet
Sample type
Routine
Lab sample
BACT-240529-23989
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 2, 2025 10:20, sampling point TC0006 Coliform (TCR)
Absence , sample collected Dec 2, 2025 10:20, sampling point TC0006 E. Coli
Collected
Dec 2, 2025 11:40
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-251104-58962
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 2, 2025 11:40, sampling point TC0009 Coliform (TCR)
Absence , sample collected Dec 2, 2025 11:40, sampling point TC0009 E. Coli
Collected
Dec 2, 2025 13:50
Sampling point
TC0013 Outside Faucet
Sample type
Routine
Lab sample
BACT-251104-58964
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 2, 2025 13:50, sampling point TC0013 Coliform (TCR)
Absence , sample collected Dec 2, 2025 13:50, sampling point TC0013 E. Coli
Collected
Dec 2, 2025 12:05
Sampling point
TC0015 Outside Faucet
Sample type
Routine
Lab sample
BACT-251104-58961
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 2, 2025 12:05, sampling point TC0015 Coliform (TCR)
Absence , sample collected Dec 2, 2025 12:05, sampling point TC0015 E. Coli
Collected
Dec 2, 2025 14:35
Sampling point
TC0016 Outside Faucet
Sample type
Routine
Lab sample
BACT-251104-58963
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 2, 2025 14:35, sampling point TC0016 Coliform (TCR)
Absence , sample collected Dec 2, 2025 14:35, sampling point TC0016 E. Coli
Collected
Dec 2, 2025 12:30
Sampling point
TC0017 Outside Faucet
Sample type
Routine
Lab sample
BACT-250902-46393
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 2, 2025 12:30, sampling point TC0017 Coliform (TCR)
Absence , sample collected Dec 2, 2025 12:30, sampling point TC0017 E. Coli
Collected
Dec 2, 2025 11:25
Sampling point
TC0020 Outside Faucet
Sample type
Routine
Lab sample
BACT-251104-58966
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 2, 2025 11:25, sampling point TC0020 Coliform (TCR)
Absence , sample collected Dec 2, 2025 11:25, sampling point TC0020 E. Coli
Collected
Nov 4, 2025 10:20
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-251104-58957
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2025 – Nov 30, 2025
Absence , sample collected Nov 4, 2025 10:20, sampling point TC0004 Coliform (TCR)
Absence , sample collected Nov 4, 2025 10:20, sampling point TC0004 E. Coli
Collected
Nov 4, 2025 10:00
Sampling point
TC0006 Outside Faucet
Sample type
Routine
Lab sample
BACT-251007-55245
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2025 – Nov 30, 2025
Absence , sample collected Nov 4, 2025 10:00, sampling point TC0006 Coliform (TCR)
Absence , sample collected Nov 4, 2025 10:00, sampling point TC0006 E. Coli