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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

MS0800004 , City of Louisville

3 of 3,330 results on record were positive for coliform or another organism the agency tests for. The most recent was April 15, 2020.

They fall across 3 of the 2,586 samples on record.

Every sample on record, October 6, 2003 to August 12, 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 27, 2024 and September 27, 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 181–184 of 184 samples in this date range, newest first.

Routine (4).

Coliform and microbial sample results for City of Louisville, 181 to 184 of 184 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Oct 7, 2024 08:20
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-230711-26289
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2024 – Oct 31, 2024
Absence , sample collected Oct 7, 2024 08:20, sampling point TC0003 Coliform (TCR)
Absence , sample collected Oct 7, 2024 08:20, sampling point TC0003 E. Coli
Collected
Oct 7, 2024 09:40
Sampling point
TC0011 Outside Faucet
Sample type
Routine
Lab sample
BACT-230711-26292
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2024 – Oct 31, 2024
Absence , sample collected Oct 7, 2024 09:40, sampling point TC0011 Coliform (TCR)
Absence , sample collected Oct 7, 2024 09:40, sampling point TC0011 E. Coli
Collected
Oct 7, 2024 08:40
Sampling point
TC0014 Outside Faucet
Sample type
Routine
Lab sample
BACT-230711-26290
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2024 – Oct 31, 2024
Absence , sample collected Oct 7, 2024 08:40, sampling point TC0014 Coliform (TCR)
Absence , sample collected Oct 7, 2024 08:40, sampling point TC0014 E. Coli
Collected
Oct 7, 2024 09:00
Sampling point
TC0015 Outside Faucet
Sample type
Routine
Lab sample
BACT-230711-26291
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2024 – Oct 31, 2024
Absence , sample collected Oct 7, 2024 09:00, sampling point TC0015 Coliform (TCR)
Absence , sample collected Oct 7, 2024 09:00, sampling point TC0015 E. Coli