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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

MS0170025 , City of Horn Lake - Twin Lakes

14 of 642 results on record were positive for coliform or another organism the agency tests for. The most recent was August 12, 2024.

They fall across 14 of the 462 samples on record.

Every sample on record, October 2, 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 462 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for City of Horn Lake - Twin Lakes, 16 to 30 of 462 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Jan 6, 2026 09:45
Sampling point
TC0003
Sample type
Routine
Lab sample
BACT-230908-33269
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 6, 2026 09:45, sampling point TC0003 Coliform (TCR)
Absence , sample collected Jan 6, 2026 09:45, sampling point TC0003 E. Coli
Collected
Dec 16, 2025 09:50
Sampling point
TC0001
Sample type
Routine
Lab sample
BACT-230908-33266
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 16, 2025 09:50, sampling point TC0001 Coliform (TCR)
Absence , sample collected Dec 16, 2025 09:50, sampling point TC0001 E. Coli
Collected
Dec 16, 2025 09:35
Sampling point
TC0003
Sample type
Routine
Lab sample
BACT-230908-33267
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 16, 2025 09:35, sampling point TC0003 Coliform (TCR)
Absence , sample collected Dec 16, 2025 09:35, sampling point TC0003 E. Coli
Collected
Nov 4, 2025 10:00
Sampling point
TC0001
Sample type
Routine
Lab sample
BACT-230908-33265
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2025 – Nov 30, 2025
Absence , sample collected Nov 4, 2025 10:00, sampling point TC0001 Coliform (TCR)
Absence , sample collected Nov 4, 2025 10:00, sampling point TC0001 E. Coli
Collected
Nov 4, 2025 09:50
Sampling point
TC0003
Sample type
Routine
Lab sample
BACT-230908-33264
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2025 – Nov 30, 2025
Absence , sample collected Nov 4, 2025 09:50, sampling point TC0003 Coliform (TCR)
Absence , sample collected Nov 4, 2025 09:50, sampling point TC0003 E. Coli
Collected
Oct 13, 2025 09:55
Sampling point
TC0001
Sample type
Routine
Lab sample
BACT-230908-33263
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2025 – Oct 31, 2025
Absence , sample collected Oct 13, 2025 09:55, sampling point TC0001 Coliform (TCR)
Absence , sample collected Oct 13, 2025 09:55, sampling point TC0001 E. Coli
Collected
Oct 13, 2025 09:45
Sampling point
TC0003
Sample type
Routine
Lab sample
BACT-230908-33291
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2025 – Oct 31, 2025
Absence , sample collected Oct 13, 2025 09:45, sampling point TC0003 Coliform (TCR)
Absence , sample collected Oct 13, 2025 09:45, sampling point TC0003 E. Coli
Collected
Sep 16, 2025 09:40
Sampling point
TC0001
Sample type
Routine
Lab sample
BACT-230908-33290
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2025 – Sep 30, 2025
Absence , sample collected Sep 16, 2025 09:40, sampling point TC0001 Coliform (TCR)
Absence , sample collected Sep 16, 2025 09:40, sampling point TC0001 E. Coli
Collected
Sep 16, 2025 09:25
Sampling point
TC0003
Sample type
Routine
Lab sample
BACT-230908-33289
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2025 – Sep 30, 2025
Absence , sample collected Sep 16, 2025 09:25, sampling point TC0003 Coliform (TCR)
Absence , sample collected Sep 16, 2025 09:25, sampling point TC0003 E. Coli
Collected
Aug 19, 2025 08:20
Sampling point
TC0001
Sample type
Routine
Lab sample
BACT-230908-33287
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2025 – Aug 31, 2025
Absence , sample collected Aug 19, 2025 08:20, sampling point TC0001 Coliform (TCR)
Absence , sample collected Aug 19, 2025 08:20, sampling point TC0001 E. Coli
Collected
Aug 19, 2025 08:05
Sampling point
TC0003
Sample type
Routine
Lab sample
BACT-230908-33288
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2025 – Aug 31, 2025
Absence , sample collected Aug 19, 2025 08:05, sampling point TC0003 Coliform (TCR)
Absence , sample collected Aug 19, 2025 08:05, sampling point TC0003 E. Coli
Collected
Jul 7, 2025 10:50
Sampling point
TC0001
Sample type
Routine
Lab sample
BACT-230908-33285
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2025 – Jul 31, 2025
Absence , sample collected Jul 7, 2025 10:50, sampling point TC0001 Coliform (TCR)
Absence , sample collected Jul 7, 2025 10:50, sampling point TC0001 E. Coli
Collected
Jul 7, 2025 10:30
Sampling point
TC0003
Sample type
Routine
Lab sample
BACT-230908-33286
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2025 – Jul 31, 2025
Absence , sample collected Jul 7, 2025 10:30, sampling point TC0003 Coliform (TCR)
Absence , sample collected Jul 7, 2025 10:30, sampling point TC0003 E. Coli
Collected
Jun 16, 2025 10:15
Sampling point
TC0001
Sample type
Routine
Lab sample
BACT-230908-33283
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2025 – Jun 30, 2025
Absence , sample collected Jun 16, 2025 10:15, sampling point TC0001 Coliform (TCR)
Absence , sample collected Jun 16, 2025 10:15, sampling point TC0001 E. Coli
Collected
Jun 16, 2025 10:00
Sampling point
TC0003
Sample type
Routine
Lab sample
BACT-230908-33284
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2025 – Jun 30, 2025
Absence , sample collected Jun 16, 2025 10:00, sampling point TC0003 Coliform (TCR)
Absence , sample collected Jun 16, 2025 10:00, sampling point TC0003 E. Coli