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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 31–45 of 2,586 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for City of Louisville, 31 to 45 of 2,586 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
May 13, 2026 08:37
Sampling point
TC0014 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56704
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 13, 2026 08:37, sampling point TC0014 Coliform (TCR)
Absence , sample collected May 13, 2026 08:37, sampling point TC0014 E. Coli
Collected
May 13, 2026 09:01
Sampling point
TC0015 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56705
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 13, 2026 09:01, sampling point TC0015 Coliform (TCR)
Absence , sample collected May 13, 2026 09:01, sampling point TC0015 E. Coli
Collected
Apr 8, 2026 08:32
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56699
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2026 – Apr 30, 2026
Absence , sample collected Apr 8, 2026 08:32, sampling point TC0009 Coliform (TCR)
Absence , sample collected Apr 8, 2026 08:32, sampling point TC0009 E. Coli
Collected
Apr 8, 2026 08:15
Sampling point
TC0011 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56698
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2026 – Apr 30, 2026
Absence , sample collected Apr 8, 2026 08:15, sampling point TC0011 Coliform (TCR)
Absence , sample collected Apr 8, 2026 08:15, sampling point TC0011 E. Coli
Collected
Apr 8, 2026 10:00
Sampling point
TC0018 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56701
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2026 – Apr 30, 2026
Absence , sample collected Apr 8, 2026 10:00, sampling point TC0018 Coliform (TCR)
Absence , sample collected Apr 8, 2026 10:00, sampling point TC0018 E. Coli
Collected
Apr 8, 2026 09:20
Sampling point
TC0022 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56700
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2026 – Apr 30, 2026
Absence , sample collected Apr 8, 2026 09:20, sampling point TC0022 Coliform (TCR)
Absence , sample collected Apr 8, 2026 09:20, sampling point TC0022 E. Coli
Collected
Apr 7, 2026 09:18
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56696
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2026 – Apr 30, 2026
Absence , sample collected Apr 7, 2026 09:18, sampling point TC0003 Coliform (TCR)
Absence , sample collected Apr 7, 2026 09:18, sampling point TC0003 E. Coli
Collected
Apr 7, 2026 08:20
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56693
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2026 – Apr 30, 2026
Absence , sample collected Apr 7, 2026 08:20, sampling point TC0005 Coliform (TCR)
Absence , sample collected Apr 7, 2026 08:20, sampling point TC0005 E. Coli
Collected
Apr 7, 2026 08:40
Sampling point
TC0014 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56695
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2026 – Apr 30, 2026
Absence , sample collected Apr 7, 2026 08:40, sampling point TC0014 Coliform (TCR)
Absence , sample collected Apr 7, 2026 08:40, sampling point TC0014 E. Coli
Collected
Apr 7, 2026 10:19
Sampling point
TC0015 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56697
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2026 – Apr 30, 2026
Absence , sample collected Apr 7, 2026 10:19, sampling point TC0015 Coliform (TCR)
Absence , sample collected Apr 7, 2026 10:19, sampling point TC0015 E. Coli
Collected
Mar 18, 2026 08:46
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56690
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2026 – Mar 31, 2026
Absence , sample collected Mar 18, 2026 08:46, sampling point TC0009 Coliform (TCR)
Absence , sample collected Mar 18, 2026 08:46, sampling point TC0009 E. Coli
Collected
Mar 18, 2026 08:27
Sampling point
TC0011 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56689
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2026 – Mar 31, 2026
Absence , sample collected Mar 18, 2026 08:27, sampling point TC0011 Coliform (TCR)
Absence , sample collected Mar 18, 2026 08:27, sampling point TC0011 E. Coli
Collected
Mar 18, 2026 10:23
Sampling point
TC0018 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56691
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2026 – Mar 31, 2026
Absence , sample collected Mar 18, 2026 10:23, sampling point TC0018 Coliform (TCR)
Absence , sample collected Mar 18, 2026 10:23, sampling point TC0018 E. Coli
Collected
Mar 18, 2026 09:16
Sampling point
TC0022 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56692
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2026 – Mar 31, 2026
Absence , sample collected Mar 18, 2026 09:16, sampling point TC0022 Coliform (TCR)
Absence , sample collected Mar 18, 2026 09:16, sampling point TC0022 E. Coli
Collected
Mar 11, 2026 10:26
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56688
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2026 – Mar 31, 2026
Absence , sample collected Mar 11, 2026 10:26, sampling point TC0003 Coliform (TCR)
Absence , sample collected Mar 11, 2026 10:26, sampling point TC0003 E. Coli