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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 1–15 of 2,586 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for City of Louisville, 1 to 15 of 2,586 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Aug 12, 2026 08:20
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56633
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2026 – Aug 31, 2026
Absence , sample collected Aug 12, 2026 08:20, sampling point TC0009 Coliform (TCR)
Absence , sample collected Aug 12, 2026 08:20, sampling point TC0009 E. Coli
Collected
Aug 12, 2026 09:31
Sampling point
TC0011 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56635
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2026 – Aug 31, 2026
Absence , sample collected Aug 12, 2026 09:31, sampling point TC0011 Coliform (TCR)
Absence , sample collected Aug 12, 2026 09:31, sampling point TC0011 E. Coli
Collected
Aug 12, 2026 08:45
Sampling point
TC0018 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56634
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2026 – Aug 31, 2026
Absence , sample collected Aug 12, 2026 08:45, sampling point TC0018 Coliform (TCR)
Absence , sample collected Aug 12, 2026 08:45, sampling point TC0018 E. Coli
Collected
Aug 12, 2026 10:15
Sampling point
TC0022 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56636
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2026 – Aug 31, 2026
Absence , sample collected Aug 12, 2026 10:15, sampling point TC0022 Coliform (TCR)
Absence , sample collected Aug 12, 2026 10:15, sampling point TC0022 E. Coli
Collected
Aug 11, 2026 10:03
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56632
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2026 – Aug 31, 2026
Absence , sample collected Aug 11, 2026 10:03, sampling point TC0003 Coliform (TCR)
Absence , sample collected Aug 11, 2026 10:03, sampling point TC0003 E. Coli
Collected
Aug 11, 2026 08:10
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56629
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2026 – Aug 31, 2026
Absence , sample collected Aug 11, 2026 08:10, sampling point TC0005 Coliform (TCR)
Absence , sample collected Aug 11, 2026 08:10, sampling point TC0005 E. Coli
Collected
Aug 11, 2026 09:26
Sampling point
TC0014 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56631
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2026 – Aug 31, 2026
Absence , sample collected Aug 11, 2026 09:26, sampling point TC0014 Coliform (TCR)
Absence , sample collected Aug 11, 2026 09:26, sampling point TC0014 E. Coli
Collected
Aug 11, 2026 09:07
Sampling point
TC0015 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56630
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2026 – Aug 31, 2026
Absence , sample collected Aug 11, 2026 09:07, sampling point TC0015 Coliform (TCR)
Absence , sample collected Aug 11, 2026 09:07, sampling point TC0015 E. Coli
Collected
Jul 14, 2026 08:57
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
BACT-251009-56624
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 14, 2026 08:57, sampling point DS000 Coliform (TCR)
Absence , sample collected Jul 14, 2026 08:57, sampling point DS000 E. Coli
Collected
Jul 14, 2026 08:36
Sampling point
TC0011 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56623
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 14, 2026 08:36, sampling point TC0011 Coliform (TCR)
Absence , sample collected Jul 14, 2026 08:36, sampling point TC0011 E. Coli
Collected
Jul 14, 2026 09:30
Sampling point
TC0018 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56625
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 14, 2026 09:30, sampling point TC0018 Coliform (TCR)
Absence , sample collected Jul 14, 2026 09:30, sampling point TC0018 E. Coli
Collected
Jul 14, 2026 10:20
Sampling point
TC0022 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56626
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 14, 2026 10:20, sampling point TC0022 Coliform (TCR)
Absence , sample collected Jul 14, 2026 10:20, sampling point TC0022 E. Coli
Collected
Jul 13, 2026 08:41
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56620
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 13, 2026 08:41, sampling point TC0003 Coliform (TCR)
Absence , sample collected Jul 13, 2026 08:41, sampling point TC0003 E. Coli
Collected
Jul 13, 2026 08:25
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56619
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 13, 2026 08:25, sampling point TC0005 Coliform (TCR)
Absence , sample collected Jul 13, 2026 08:25, sampling point TC0005 E. Coli
Collected
Jul 13, 2026 09:26
Sampling point
TC0014 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56621
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 13, 2026 09:26, sampling point TC0014 Coliform (TCR)
Absence , sample collected Jul 13, 2026 09:26, sampling point TC0014 E. Coli