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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

MS0170022 , City of Horn Lake

14 of 4,989 results on record were positive for coliform or another organism the agency tests for. The most recent was September 16, 2025.

They fall across 13 of the 3,688 samples on record.

Every sample on record, October 7, 2003 to August 10, 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 166–180 of 352 samples in this date range, newest first.

Routine (8), TG (4) and Repeat (3). The agency publishes no name for the code TG, so none is shown — this page does not invent labels the agency has not published.

Coliform and microbial sample results for City of Horn Lake, 166 to 180 of 352 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Sep 19, 2025 10:35
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
BACT-240206-8598
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2025 – Sep 30, 2025
Absence , sample collected Sep 19, 2025 10:35, sampling point DS000 Coliform (TCR)
Absence , sample collected Sep 19, 2025 10:35, sampling point DS000 E. Coli
Collected
Sep 19, 2025 10:55
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
BACT-240206-8599
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2025 – Sep 30, 2025
Absence , sample collected Sep 19, 2025 10:55, sampling point DS000 Coliform (TCR)
Absence , sample collected Sep 19, 2025 10:55, sampling point DS000 E. Coli
Collected
Sep 19, 2025 07:50
Sampling point
DS000 Distribution
Sample type
TG
Lab sample
BACT-240206-8600
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2025 – Sep 30, 2025
Absence , sample collected Sep 19, 2025 07:50, sampling point DS000 Coliform (TCR)
Absence , sample collected Sep 19, 2025 07:50, sampling point DS000 E. Coli
Collected
Sep 19, 2025 08:20
Sampling point
DS000 Distribution
Sample type
TG
Lab sample
BACT-240206-8601
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2025 – Sep 30, 2025
Absence , sample collected Sep 19, 2025 08:20, sampling point DS000 Coliform (TCR)
Absence , sample collected Sep 19, 2025 08:20, sampling point DS000 E. Coli
Collected
Sep 19, 2025 09:00
Sampling point
DS000 Distribution
Sample type
TG
Lab sample
BACT-240206-8602
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2025 – Sep 30, 2025
Absence , sample collected Sep 19, 2025 09:00, sampling point DS000 Coliform (TCR)
Absence , sample collected Sep 19, 2025 09:00, sampling point DS000 E. Coli
Collected
Sep 19, 2025 09:45
Sampling point
DS000 Distribution
Sample type
TG
Lab sample
BACT-240206-8603
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2025 – Sep 30, 2025
Absence , sample collected Sep 19, 2025 09:45, sampling point DS000 Coliform (TCR)
Absence , sample collected Sep 19, 2025 09:45, sampling point DS000 E. Coli
Collected
Sep 19, 2025 10:45
Sampling point
TC0030 No Description
Sample type
Repeat
Lab sample
BACT-240206-8597
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2025 – Sep 30, 2025
Absence , sample collected Sep 19, 2025 10:45, sampling point TC0030 Coliform (TCR)
Absence , sample collected Sep 19, 2025 10:45, sampling point TC0030 E. Coli
Collected
Sep 16, 2025 10:40
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-240206-8592
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2025 – Sep 30, 2025
Absence , sample collected Sep 16, 2025 10:40, sampling point TC0004 Coliform (TCR)
Absence , sample collected Sep 16, 2025 10:40, sampling point TC0004 E. Coli
Collected
Sep 16, 2025 10:20
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
BACT-240206-8590
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2025 – Sep 30, 2025
Absence , sample collected Sep 16, 2025 10:20, sampling point TC0005 Coliform (TCR)
Absence , sample collected Sep 16, 2025 10:20, sampling point TC0005 E. Coli
Collected
Sep 16, 2025 10:30
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-240206-8591
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2025 – Sep 30, 2025
Absence , sample collected Sep 16, 2025 10:30, sampling point TC0007 Coliform (TCR)
Absence , sample collected Sep 16, 2025 10:30, sampling point TC0007 E. Coli
Collected
Sep 16, 2025 08:20
Sampling point
TC0010 Outside Faucet
Sample type
Routine
Lab sample
BACT-240206-8589
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2025 – Sep 30, 2025
Absence , sample collected Sep 16, 2025 08:20, sampling point TC0010 Coliform (TCR)
Absence , sample collected Sep 16, 2025 08:20, sampling point TC0010 E. Coli
Collected
Sep 16, 2025 13:45
Sampling point
TC0015 Outside Faucet
Sample type
Routine
Lab sample
BACT-240206-8596
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2025 – Sep 30, 2025
Absence , sample collected Sep 16, 2025 13:45, sampling point TC0015 Coliform (TCR)
Absence , sample collected Sep 16, 2025 13:45, sampling point TC0015 E. Coli
Collected
Sep 16, 2025 13:25
Sampling point
TC0021 Outside Faucet
Sample type
Routine
Lab sample
BACT-240206-8594
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2025 – Sep 30, 2025
Absence , sample collected Sep 16, 2025 13:25, sampling point TC0021 Coliform (TCR)
Absence , sample collected Sep 16, 2025 13:25, sampling point TC0021 E. Coli
Collected
Sep 16, 2025 13:35
Sampling point
TC0022 Outside Faucet
Sample type
Routine
Lab sample
BACT-240206-8595
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2025 – Sep 30, 2025
Absence , sample collected Sep 16, 2025 13:35, sampling point TC0022 Coliform (TCR)
Absence , sample collected Sep 16, 2025 13:35, sampling point TC0022 E. Coli
Collected
Sep 16, 2025 13:15
Sampling point
TC0030 No Description
Sample type
Routine
Lab sample
BACT-240206-8593
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2025 – Sep 30, 2025
Presence , sample collected Sep 16, 2025 13:15, sampling point TC0030 Coliform (TCR)
Absence , sample collected Sep 16, 2025 13:15, sampling point TC0030 E. Coli