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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. 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 46–60 of 2,586 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for City of Louisville, 46 to 60 of 2,586 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Mar 11, 2026 11:09
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56685
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2026 – Mar 31, 2026
Absence , sample collected Mar 11, 2026 11:09, sampling point TC0005 Coliform (TCR)
Absence , sample collected Mar 11, 2026 11:09, sampling point TC0005 E. Coli
Collected
Mar 11, 2026 11:20
Sampling point
TC0014 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56687
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2026 – Mar 31, 2026
Absence , sample collected Mar 11, 2026 11:20, sampling point TC0014 Coliform (TCR)
Absence , sample collected Mar 11, 2026 11:20, sampling point TC0014 E. Coli
Collected
Mar 11, 2026 09:17
Sampling point
TC0015 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56686
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2026 – Mar 31, 2026
Absence , sample collected Mar 11, 2026 09:17, sampling point TC0015 Coliform (TCR)
Absence , sample collected Mar 11, 2026 09:17, sampling point TC0015 E. Coli
Collected
Feb 17, 2026 08:57
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56684
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 17, 2026 08:57, sampling point TC0004 Coliform (TCR)
Absence , sample collected Feb 17, 2026 08:57, sampling point TC0004 E. Coli
Collected
Feb 17, 2026 08:10
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56682
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 17, 2026 08:10, sampling point TC0009 Coliform (TCR)
Absence , sample collected Feb 17, 2026 08:10, sampling point TC0009 E. Coli
Collected
Feb 17, 2026 08:35
Sampling point
TC0011 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56683
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 17, 2026 08:35, sampling point TC0011 Coliform (TCR)
Absence , sample collected Feb 17, 2026 08:35, sampling point TC0011 E. Coli
Collected
Feb 17, 2026 09:53
Sampling point
TC0018 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56681
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 17, 2026 09:53, sampling point TC0018 Coliform (TCR)
Absence , sample collected Feb 17, 2026 09:53, sampling point TC0018 E. Coli
Collected
Feb 11, 2026 10:20
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56680
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 11, 2026 10:20, sampling point TC0003 Coliform (TCR)
Absence , sample collected Feb 11, 2026 10:20, sampling point TC0003 E. Coli
Collected
Feb 11, 2026 08:30
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56676
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 11, 2026 08:30, sampling point TC0005 Coliform (TCR)
Absence , sample collected Feb 11, 2026 08:30, sampling point TC0005 E. Coli
Collected
Feb 11, 2026 09:45
Sampling point
TC0014 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56679
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 11, 2026 09:45, sampling point TC0014 Coliform (TCR)
Absence , sample collected Feb 11, 2026 09:45, sampling point TC0014 E. Coli
Collected
Feb 11, 2026 09:27
Sampling point
TC0015 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56678
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 11, 2026 09:27, sampling point TC0015 Coliform (TCR)
Absence , sample collected Feb 11, 2026 09:27, sampling point TC0015 E. Coli
Collected
Jan 21, 2026 09:28
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56675
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 21, 2026 09:28, sampling point TC0004 Coliform (TCR)
Absence , sample collected Jan 21, 2026 09:28, sampling point TC0004 E. Coli
Collected
Jan 21, 2026 08:20
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56672
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 21, 2026 08:20, sampling point TC0009 Coliform (TCR)
Absence , sample collected Jan 21, 2026 08:20, sampling point TC0009 E. Coli
Collected
Jan 21, 2026 08:37
Sampling point
TC0011 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56673
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 21, 2026 08:37, sampling point TC0011 Coliform (TCR)
Absence , sample collected Jan 21, 2026 08:37, sampling point TC0011 E. Coli
Collected
Jan 21, 2026 09:01
Sampling point
TC0022 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56674
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 21, 2026 09:01, sampling point TC0022 Coliform (TCR)
Absence , sample collected Jan 21, 2026 09:01, sampling point TC0022 E. Coli