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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

MS0170024 , City of Horn Lake - Holly Hills

8 of 399 results on record were positive for coliform or another organism the agency tests for. The most recent was November 21, 2016.

They fall across 8 of the 310 samples on record.

Every sample on record, October 2, 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 25, 2024 and September 25, 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 1–15 of 24 samples in this date range, newest first.

Routine (15).

Coliform and microbial sample results for City of Horn Lake - Holly Hills, 1 to 15 of 24 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Aug 10, 2026 08:45
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-250114-1096
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2026 – Aug 31, 2026
Absence , sample collected Aug 10, 2026 08:45, sampling point TC0002 Coliform (TCR)
Absence , sample collected Aug 10, 2026 08:45, sampling point TC0002 E. Coli
Collected
Jul 13, 2026 08:50
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-250114-1095
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 13, 2026 08:50, sampling point TC0002 Coliform (TCR)
Absence , sample collected Jul 13, 2026 08:50, sampling point TC0002 E. Coli
Collected
Jun 2, 2026 08:45
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-250114-1094
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2026 – Jun 30, 2026
Absence , sample collected Jun 2, 2026 08:45, sampling point TC0002 Coliform (TCR)
Absence , sample collected Jun 2, 2026 08:45, sampling point TC0002 E. Coli
Collected
May 12, 2026 10:30
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-250114-1093
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 12, 2026 10:30, sampling point TC0002 Coliform (TCR)
Absence , sample collected May 12, 2026 10:30, sampling point TC0002 E. Coli
Collected
Apr 15, 2026 09:00
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-250114-1092
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2026 – Apr 30, 2026
Absence , sample collected Apr 15, 2026 09:00, sampling point TC0002 Coliform (TCR)
Absence , sample collected Apr 15, 2026 09:00, sampling point TC0002 E. Coli
Collected
Mar 3, 2026 09:25
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-250114-1091
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2026 – Mar 31, 2026
Absence , sample collected Mar 3, 2026 09:25, sampling point TC0002 Coliform (TCR)
Absence , sample collected Mar 3, 2026 09:25, sampling point TC0002 E. Coli
Collected
Feb 9, 2026 09:10
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-250114-1090
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 9, 2026 09:10, sampling point TC0002 Coliform (TCR)
Absence , sample collected Feb 9, 2026 09:10, sampling point TC0002 E. Coli
Collected
Jan 6, 2026 09:00
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-250114-1089
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 6, 2026 09:00, sampling point TC0002 Coliform (TCR)
Absence , sample collected Jan 6, 2026 09:00, sampling point TC0002 E. Coli
Collected
Dec 3, 2025 08:50
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-250114-1088
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 3, 2025 08:50, sampling point TC0002 Coliform (TCR)
Absence , sample collected Dec 3, 2025 08:50, sampling point TC0002 E. Coli
Collected
Nov 4, 2025 10:40
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-250114-1087
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2025 – Nov 30, 2025
Absence , sample collected Nov 4, 2025 10:40, sampling point TC0002 Coliform (TCR)
Absence , sample collected Nov 4, 2025 10:40, sampling point TC0002 E. Coli
Collected
Oct 13, 2025 09:05
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-250114-1086
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2025 – Oct 31, 2025
Absence , sample collected Oct 13, 2025 09:05, sampling point TC0002 Coliform (TCR)
Collected
Oct 1, 2025 08:35
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
BACT-250114-1085
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2025 – Oct 31, 2025
Absence , sample collected Oct 1, 2025 08:35, sampling point DS000 Coliform (TCR)
Absence , sample collected Oct 1, 2025 08:35, sampling point DS000 E. Coli
Collected
Sep 16, 2025 08:45
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-250114-1084
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2025 – Sep 30, 2025
Absence , sample collected Sep 16, 2025 08:45, sampling point TC0002 Coliform (TCR)
Absence , sample collected Sep 16, 2025 08:45, sampling point TC0002 E. Coli
Collected
Aug 12, 2025 09:30
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-250114-1083
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2025 – Aug 31, 2025
Absence , sample collected Aug 12, 2025 09:30, sampling point TC0002 Coliform (TCR)
Absence , sample collected Aug 12, 2025 09:30, sampling point TC0002 E. Coli
Collected
Jul 7, 2025 09:30
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-221211-37330
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2025 – Jul 31, 2025
Absence , sample collected Jul 7, 2025 09:30, sampling point TC0002 Coliform (TCR)
Absence , sample collected Jul 7, 2025 09:30, sampling point TC0002 E. Coli