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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

MS0140010 , Town of Lyon

2 of 374 results on record were positive for coliform or another organism the agency tests for. The most recent was June 5, 2014.

They fall across 2 of the 290 samples on record.

Every sample on record, October 21, 2003 to July 29, 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 16–22 of 22 samples in this date range, newest first.

Routine (7).

Coliform and microbial sample results for Town of Lyon, 16 to 22 of 22 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Mar 12, 2025 12:40
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-230710-23985
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2025 – Mar 31, 2025
Absence , sample collected Mar 12, 2025 12:40, sampling point TC0001 Coliform (TCR)
Absence , sample collected Mar 12, 2025 12:40, sampling point TC0001 E. Coli
Collected
Feb 26, 2025 07:59
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-230710-23984
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2025 – Feb 28, 2025
Absence , sample collected Feb 26, 2025 07:59, sampling point TC0001 Coliform (TCR)
Absence , sample collected Feb 26, 2025 07:59, sampling point TC0001 E. Coli
Collected
Jan 15, 2025 12:05
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-230710-23983
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2025 – Jan 31, 2025
Absence , sample collected Jan 15, 2025 12:05, sampling point TC0001 Coliform (TCR)
Absence , sample collected Jan 15, 2025 12:05, sampling point TC0001 E. Coli
Collected
Dec 11, 2024 12:08
Sampling point
TC0012 Outside Faucet
Sample type
Routine
Lab sample
BACT-230710-23982
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2024 – Dec 31, 2024
Absence , sample collected Dec 11, 2024 12:08, sampling point TC0012 Coliform (TCR)
Absence , sample collected Dec 11, 2024 12:08, sampling point TC0012 E. Coli
Collected
Nov 20, 2024 12:05
Sampling point
TC0011 Outside Faucet
Sample type
Routine
Lab sample
BACT-230710-23981
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2024 – Nov 30, 2024
Absence , sample collected Nov 20, 2024 12:05, sampling point TC0011 Coliform (TCR)
Absence , sample collected Nov 20, 2024 12:05, sampling point TC0011 E. Coli
Collected
Oct 28, 2024 12:05
Sampling point
TC0010 Outside Faucet
Sample type
Routine
Lab sample
BACT-230710-23980
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2024 – Oct 31, 2024
Absence , sample collected Oct 28, 2024 12:05, sampling point TC0010 Coliform (TCR)
Absence , sample collected Oct 28, 2024 12:05, sampling point TC0010 E. Coli
Collected
Sep 25, 2024 12:10
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-201201-81329
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2024 – Sep 30, 2024
Absence , sample collected Sep 25, 2024 12:10, sampling point TC0009 Coliform (TCR)
Absence , sample collected Sep 25, 2024 12:10, sampling point TC0009 E. Coli