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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 1,486–1,500 of 3,688 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for City of Horn Lake, 1,486 to 1,500 of 3,688 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
May 14, 2018 10:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1000702
Laboratory
MSDH Lab
Monitoring period
May 1, 2018 – May 31, 2018
Absence , sample collected May 14, 2018 10:15, sampling point DS000 Coliform (TCR)
Collected
May 14, 2018 09:10
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1000703
Laboratory
MSDH Lab
Monitoring period
May 1, 2018 – May 31, 2018
Absence , sample collected May 14, 2018 09:10, sampling point DS000 Coliform (TCR)
Collected
May 14, 2018 09:55
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1000704
Laboratory
MSDH Lab
Monitoring period
May 1, 2018 – May 31, 2018
Absence , sample collected May 14, 2018 09:55, sampling point DS000 Coliform (TCR)
Collected
May 14, 2018 09:24
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1000705
Laboratory
MSDH Lab
Monitoring period
May 1, 2018 – May 31, 2018
Absence , sample collected May 14, 2018 09:24, sampling point DS000 Coliform (TCR)
Collected
May 14, 2018 09:41
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1000708
Laboratory
MSDH Lab
Monitoring period
May 1, 2018 – May 31, 2018
Absence , sample collected May 14, 2018 09:41, sampling point DS000 Coliform (TCR)
Collected
May 14, 2018 09:32
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
1000709
Laboratory
MSDH Lab
Monitoring period
May 1, 2018 – May 31, 2018
Absence , sample collected May 14, 2018 09:32, sampling point DS000 Coliform (TCR)
Collected
Apr 10, 2018 08:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
994437
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2018 – Apr 30, 2018
Absence , sample collected Apr 10, 2018 08:30, sampling point DS000 Coliform (TCR)
Collected
Apr 10, 2018 09:01
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
994449
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2018 – Apr 30, 2018
Absence , sample collected Apr 10, 2018 09:01, sampling point DS000 Coliform (TCR)
Collected
Apr 10, 2018 11:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
994450
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2018 – Apr 30, 2018
Absence , sample collected Apr 10, 2018 11:00, sampling point DS000 Coliform (TCR)
Collected
Apr 10, 2018 10:48
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
994451
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2018 – Apr 30, 2018
Absence , sample collected Apr 10, 2018 10:48, sampling point DS000 Coliform (TCR)
Collected
Apr 10, 2018 10:36
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
994452
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2018 – Apr 30, 2018
Absence , sample collected Apr 10, 2018 10:36, sampling point DS000 Coliform (TCR)
Collected
Apr 10, 2018 08:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
994453
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2018 – Apr 30, 2018
Absence , sample collected Apr 10, 2018 08:50, sampling point DS000 Coliform (TCR)
Collected
Apr 10, 2018 08:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
994454
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2018 – Apr 30, 2018
Absence , sample collected Apr 10, 2018 08:20, sampling point DS000 Coliform (TCR)
Collected
Apr 10, 2018 09:25
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
994455
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2018 – Apr 30, 2018
Absence , sample collected Apr 10, 2018 09:25, sampling point DS000 Coliform (TCR)
Collected
Apr 10, 2018 08:38
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
994456
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2018 – Apr 30, 2018
Absence , sample collected Apr 10, 2018 08:38, sampling point DS000 Coliform (TCR)