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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 886–900 of 3,688 samples on record, newest first.

Routine (10), TG (3) and Repeat (2). 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, 886 to 900 of 3,688 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Oct 6, 2021 11:51
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
BACT-200518-26354
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2021 – Oct 31, 2021
Absence , sample collected Oct 6, 2021 11:51, sampling point DS000 Coliform (TCR)
Absence , sample collected Oct 6, 2021 11:51, sampling point DS000 E. Coli
Collected
Oct 6, 2021 11:43
Sampling point
DS000 Distribution
Sample type
Repeat
Lab sample
BACT-200518-26355
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2021 – Oct 31, 2021
Absence , sample collected Oct 6, 2021 11:43, sampling point DS000 Coliform (TCR)
Absence , sample collected Oct 6, 2021 11:43, sampling point DS000 E. Coli
Collected
Oct 6, 2021 12:49
Sampling point
WL001 Well W001
Sample type
TG
Lab sample
BACT-200518-26350
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2021 – Oct 31, 2021
Absence , sample collected Oct 6, 2021 12:49, sampling point WL001 Coliform (TCR)
Absence , sample collected Oct 6, 2021 12:49, sampling point WL001 E. Coli
Collected
Oct 6, 2021 12:28
Sampling point
WL003 Well W003
Sample type
TG
Lab sample
BACT-200518-26351
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2021 – Oct 31, 2021
Absence , sample collected Oct 6, 2021 12:28, sampling point WL003 Coliform (TCR)
Absence , sample collected Oct 6, 2021 12:28, sampling point WL003 E. Coli
Collected
Oct 6, 2021 12:13
Sampling point
WL004 Well W004
Sample type
TG
Lab sample
BACT-200518-26352
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2021 – Oct 31, 2021
Presence , sample collected Oct 6, 2021 12:13, sampling point WL004 Coliform (TCR)
Absence , sample collected Oct 6, 2021 12:13, sampling point WL004 E. Coli
Collected
Oct 4, 2021 08:47
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-200518-26435
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2021 – Oct 31, 2021
Absence , sample collected Oct 4, 2021 08:47, sampling point TC0001 Coliform (TCR)
Absence , sample collected Oct 4, 2021 08:47, sampling point TC0001 E. Coli
Collected
Oct 4, 2021 09:04
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-200518-26434
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2021 – Oct 31, 2021
Absence , sample collected Oct 4, 2021 09:04, sampling point TC0002 Coliform (TCR)
Absence , sample collected Oct 4, 2021 09:04, sampling point TC0002 E. Coli
Collected
Oct 4, 2021 09:31
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-200518-26437
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2021 – Oct 31, 2021
Absence , sample collected Oct 4, 2021 09:31, sampling point TC0003 Coliform (TCR)
Absence , sample collected Oct 4, 2021 09:31, sampling point TC0003 E. Coli
Collected
Oct 4, 2021 09:40
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-200518-26436
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2021 – Oct 31, 2021
Absence , sample collected Oct 4, 2021 09:40, sampling point TC0004 Coliform (TCR)
Absence , sample collected Oct 4, 2021 09:40, sampling point TC0004 E. Coli
Collected
Oct 4, 2021 09:13
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
BACT-200518-26433
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2021 – Oct 31, 2021
Absence , sample collected Oct 4, 2021 09:13, sampling point TC0005 Coliform (TCR)
Absence , sample collected Oct 4, 2021 09:13, sampling point TC0005 E. Coli
Collected
Oct 4, 2021 09:21
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-200518-26438
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2021 – Oct 31, 2021
Absence , sample collected Oct 4, 2021 09:21, sampling point TC0007 Coliform (TCR)
Absence , sample collected Oct 4, 2021 09:21, sampling point TC0007 E. Coli
Collected
Oct 4, 2021 11:11
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-200518-26432
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2021 – Oct 31, 2021
Presence , sample collected Oct 4, 2021 11:11, sampling point TC0008 Coliform (TCR)
Absence , sample collected Oct 4, 2021 11:11, sampling point TC0008 E. Coli
Collected
Oct 4, 2021 09:52
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-200518-26441
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2021 – Oct 31, 2021
Absence , sample collected Oct 4, 2021 09:52, sampling point TC0009 Coliform (TCR)
Absence , sample collected Oct 4, 2021 09:52, sampling point TC0009 E. Coli
Collected
Oct 4, 2021 11:01
Sampling point
TC0010 Outside Faucet
Sample type
Routine
Lab sample
BACT-200518-26431
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2021 – Oct 31, 2021
Absence , sample collected Oct 4, 2021 11:01, sampling point TC0010 Coliform (TCR)
Absence , sample collected Oct 4, 2021 11:01, sampling point TC0010 E. Coli
Collected
Oct 4, 2021 10:11
Sampling point
TC0011 Outside Faucet
Sample type
Routine
Lab sample
BACT-200518-26444
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2021 – Oct 31, 2021
Absence , sample collected Oct 4, 2021 10:11, sampling point TC0011 Coliform (TCR)
Absence , sample collected Oct 4, 2021 10:11, sampling point TC0011 E. Coli