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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 46–60 of 3,688 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for City of Horn Lake, 46 to 60 of 3,688 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
May 19, 2026 08:45
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-250922-48379
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 19, 2026 08:45, sampling point TC0004 Coliform (TCR)
Absence , sample collected May 19, 2026 08:45, sampling point TC0004 E. Coli
Collected
May 19, 2026 08:25
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
BACT-250922-48380
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 19, 2026 08:25, sampling point TC0005 Coliform (TCR)
Absence , sample collected May 19, 2026 08:25, sampling point TC0005 E. Coli
Collected
May 19, 2026 08:35
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-250922-48378
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 19, 2026 08:35, sampling point TC0007 Coliform (TCR)
Absence , sample collected May 19, 2026 08:35, sampling point TC0007 E. Coli
Collected
May 18, 2026 12:45
Sampling point
TC0010 Outside Faucet
Sample type
Routine
Lab sample
BACT-250922-48375
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 18, 2026 12:45, sampling point TC0010 Coliform (TCR)
Absence , sample collected May 18, 2026 12:45, sampling point TC0010 E. Coli
Collected
May 18, 2026 12:00
Sampling point
TC0011 Outside Faucet
Sample type
Routine
Lab sample
BACT-250922-48370
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 18, 2026 12:00, sampling point TC0011 Coliform (TCR)
Absence , sample collected May 18, 2026 12:00, sampling point TC0011 E. Coli
Collected
May 18, 2026 12:35
Sampling point
TC0015 Outside Faucet
Sample type
Routine
Lab sample
BACT-250922-48373
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 18, 2026 12:35, sampling point TC0015 Coliform (TCR)
Absence , sample collected May 18, 2026 12:35, sampling point TC0015 E. Coli
Collected
May 18, 2026 11:40
Sampling point
TC0017 Outside Faucet
Sample type
Routine
Lab sample
BACT-250922-48369
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 18, 2026 11:40, sampling point TC0017 Coliform (TCR)
Absence , sample collected May 18, 2026 11:40, sampling point TC0017 E. Coli
Collected
May 18, 2026 11:30
Sampling point
TC0019 Outside Faucet
Sample type
Routine
Lab sample
BACT-250922-48371
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 18, 2026 11:30, sampling point TC0019 Coliform (TCR)
Absence , sample collected May 18, 2026 11:30, sampling point TC0019 E. Coli
Collected
May 18, 2026 12:20
Sampling point
TC0021 Outside Faucet
Sample type
Routine
Lab sample
BACT-250922-48372
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 18, 2026 12:20, sampling point TC0021 Coliform (TCR)
Absence , sample collected May 18, 2026 12:20, sampling point TC0021 E. Coli
Collected
May 18, 2026 12:25
Sampling point
TC0022 Outside Faucet
Sample type
Routine
Lab sample
BACT-250922-48376
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 18, 2026 12:25, sampling point TC0022 Coliform (TCR)
Absence , sample collected May 18, 2026 12:25, sampling point TC0022 E. Coli
Collected
May 18, 2026 11:50
Sampling point
TC0023 Outside Faucet
Sample type
Routine
Lab sample
BACT-250922-48368
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 18, 2026 11:50, sampling point TC0023 Coliform (TCR)
Absence , sample collected May 18, 2026 11:50, sampling point TC0023 E. Coli
Collected
May 18, 2026 12:10
Sampling point
TC0030 No Description
Sample type
Routine
Lab sample
BACT-250922-48374
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 18, 2026 12:10, sampling point TC0030 Coliform (TCR)
Absence , sample collected May 18, 2026 12:10, sampling point TC0030 E. Coli
Collected
May 12, 2026 10:05
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-250922-48365
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 12, 2026 10:05, sampling point TC0001 Coliform (TCR)
Absence , sample collected May 12, 2026 10:05, sampling point TC0001 E. Coli
Collected
May 12, 2026 09:50
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-250922-48367
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 12, 2026 09:50, sampling point TC0002 Coliform (TCR)
Absence , sample collected May 12, 2026 09:50, sampling point TC0002 E. Coli
Collected
May 12, 2026 09:15
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-250922-48366
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 12, 2026 09:15, sampling point TC0003 Coliform (TCR)
Absence , sample collected May 12, 2026 09:15, sampling point TC0003 E. Coli