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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 61–75 of 2,586 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for City of Louisville, 61 to 75 of 2,586 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Jan 20, 2026 08:10
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56668
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 20, 2026 08:10, sampling point TC0003 Coliform (TCR)
Absence , sample collected Jan 20, 2026 08:10, sampling point TC0003 E. Coli
Collected
Jan 20, 2026 09:45
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56671
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 20, 2026 09:45, sampling point TC0005 Coliform (TCR)
Absence , sample collected Jan 20, 2026 09:45, sampling point TC0005 E. Coli
Collected
Jan 20, 2026 08:35
Sampling point
TC0015 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56669
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 20, 2026 08:35, sampling point TC0015 Coliform (TCR)
Absence , sample collected Jan 20, 2026 08:35, sampling point TC0015 E. Coli
Collected
Jan 20, 2026 09:14
Sampling point
TC0018 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56670
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 20, 2026 09:14, sampling point TC0018 Coliform (TCR)
Absence , sample collected Jan 20, 2026 09:14, sampling point TC0018 E. Coli
Collected
Dec 17, 2025 09:20
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56662
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 17, 2025 09:20, sampling point TC0009 Coliform (TCR)
Absence , sample collected Dec 17, 2025 09:20, sampling point TC0009 E. Coli
Collected
Dec 17, 2025 10:00
Sampling point
TC0011 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56663
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 17, 2025 10:00, sampling point TC0011 Coliform (TCR)
Absence , sample collected Dec 17, 2025 10:00, sampling point TC0011 E. Coli
Collected
Dec 17, 2025 09:05
Sampling point
TC0018 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56661
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 17, 2025 09:05, sampling point TC0018 Coliform (TCR)
Absence , sample collected Dec 17, 2025 09:05, sampling point TC0018 E. Coli
Collected
Dec 17, 2025 08:45
Sampling point
TC0022 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56660
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 17, 2025 08:45, sampling point TC0022 Coliform (TCR)
Absence , sample collected Dec 17, 2025 08:45, sampling point TC0022 E. Coli
Collected
Dec 10, 2025 09:00
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-230711-26209
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 10, 2025 09:00, sampling point TC0003 Coliform (TCR)
Absence , sample collected Dec 10, 2025 09:00, sampling point TC0003 E. Coli
Collected
Dec 10, 2025 10:50
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56659
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 10, 2025 10:50, sampling point TC0005 Coliform (TCR)
Absence , sample collected Dec 10, 2025 10:50, sampling point TC0005 E. Coli
Collected
Dec 10, 2025 09:20
Sampling point
TC0014 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56657
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 10, 2025 09:20, sampling point TC0014 Coliform (TCR)
Absence , sample collected Dec 10, 2025 09:20, sampling point TC0014 E. Coli
Collected
Dec 10, 2025 09:45
Sampling point
TC0015 Outside Faucet
Sample type
Routine
Lab sample
BACT-251009-56658
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 10, 2025 09:45, sampling point TC0015 Coliform (TCR)
Absence , sample collected Dec 10, 2025 09:45, sampling point TC0015 E. Coli
Collected
Nov 5, 2025 09:30
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
BACT-230711-26207
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2025 – Nov 30, 2025
Absence , sample collected Nov 5, 2025 09:30, sampling point TC0005 Coliform (TCR)
Absence , sample collected Nov 5, 2025 09:30, sampling point TC0005 E. Coli
Collected
Nov 5, 2025 09:05
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-230711-26206
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2025 – Nov 30, 2025
Absence , sample collected Nov 5, 2025 09:05, sampling point TC0009 Coliform (TCR)
Absence , sample collected Nov 5, 2025 09:05, sampling point TC0009 E. Coli
Collected
Nov 5, 2025 08:40
Sampling point
TC0018 Outside Faucet
Sample type
Routine
Lab sample
BACT-230711-26205
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2025 – Nov 30, 2025
Absence , sample collected Nov 5, 2025 08:40, sampling point TC0018 Coliform (TCR)
Absence , sample collected Nov 5, 2025 08:40, sampling point TC0018 E. Coli