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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. 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 16–30 of 3,688 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for City of Horn Lake, 16 to 30 of 3,688 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Jul 22, 2026 11:30
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
BACT-250922-48286
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 22, 2026 11:30, sampling point TC0005 Coliform (TCR)
Absence , sample collected Jul 22, 2026 11:30, sampling point TC0005 E. Coli
Collected
Jul 22, 2026 08:55
Sampling point
TC0010 Outside Faucet
Sample type
Routine
Lab sample
BACT-250922-48388
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 22, 2026 08:55, sampling point TC0010 Coliform (TCR)
Absence , sample collected Jul 22, 2026 08:55, sampling point TC0010 E. Coli
Collected
Jul 22, 2026 08:30
Sampling point
TC0011 Outside Faucet
Sample type
Routine
Lab sample
BACT-250922-48390
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 22, 2026 08:30, sampling point TC0011 Coliform (TCR)
Absence , sample collected Jul 22, 2026 08:30, sampling point TC0011 E. Coli
Collected
Jul 22, 2026 10:05
Sampling point
TC0015 Outside Faucet
Sample type
Routine
Lab sample
BACT-250922-48387
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 22, 2026 10:05, sampling point TC0015 Coliform (TCR)
Absence , sample collected Jul 22, 2026 10:05, sampling point TC0015 E. Coli
Collected
Jul 22, 2026 10:40
Sampling point
TC0021 Outside Faucet
Sample type
Routine
Lab sample
BACT-250922-48282
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 22, 2026 10:40, sampling point TC0021 Coliform (TCR)
Absence , sample collected Jul 22, 2026 10:40, sampling point TC0021 E. Coli
Collected
Jul 22, 2026 10:15
Sampling point
TC0022 Outside Faucet
Sample type
Routine
Lab sample
BACT-250922-48285
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 22, 2026 10:15, sampling point TC0022 Coliform (TCR)
Absence , sample collected Jul 22, 2026 10:15, sampling point TC0022 E. Coli
Collected
Jul 22, 2026 08:45
Sampling point
TC0025 Outside Faucet
Sample type
Routine
Lab sample
BACT-250922-48284
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 22, 2026 08:45, sampling point TC0025 Coliform (TCR)
Absence , sample collected Jul 22, 2026 08:45, sampling point TC0025 E. Coli
Collected
Jul 22, 2026 10:30
Sampling point
TC0030 No Description
Sample type
Routine
Lab sample
BACT-250922-48389
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 22, 2026 10:30, sampling point TC0030 Coliform (TCR)
Absence , sample collected Jul 22, 2026 10:30, sampling point TC0030 E. Coli
Collected
Jul 22, 2026 09:15
Sampling point
TC0032 No Description
Sample type
Routine
Lab sample
BACT-250922-48283
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 22, 2026 09:15, sampling point TC0032 Coliform (TCR)
Absence , sample collected Jul 22, 2026 09:15, sampling point TC0032 E. Coli
Collected
Jul 13, 2026 11:10
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-250922-48275
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 13, 2026 11:10, sampling point TC0001 Coliform (TCR)
Absence , sample collected Jul 13, 2026 11:10, sampling point TC0001 E. Coli
Collected
Jul 13, 2026 09:55
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-250922-48278
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 13, 2026 09:55, sampling point TC0003 Coliform (TCR)
Absence , sample collected Jul 13, 2026 09:55, sampling point TC0003 E. Coli
Collected
Jul 13, 2026 10:55
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-250922-48279
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 13, 2026 10:55, sampling point TC0004 Coliform (TCR)
Absence , sample collected Jul 13, 2026 10:55, sampling point TC0004 E. Coli
Collected
Jul 13, 2026 10:45
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-250922-48281
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 13, 2026 10:45, sampling point TC0007 Coliform (TCR)
Absence , sample collected Jul 13, 2026 10:45, sampling point TC0007 E. Coli
Collected
Jul 13, 2026 08:20
Sampling point
TC0017 Outside Faucet
Sample type
Routine
Lab sample
BACT-250922-48280
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 13, 2026 08:20, sampling point TC0017 Coliform (TCR)
Absence , sample collected Jul 13, 2026 08:20, sampling point TC0017 E. Coli
Collected
Jul 13, 2026 08:30
Sampling point
TC0023 Outside Faucet
Sample type
Routine
Lab sample
BACT-250922-48277
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 13, 2026 08:30, sampling point TC0023 Coliform (TCR)
Absence , sample collected Jul 13, 2026 08:30, sampling point TC0023 E. Coli