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. These figures cover the whole record; the list of samples further down is narrowed.
The most recent samples
Showing samples collected between September 26, 2024 and September 26, 2026. That is this page’s default, not a limit on what the agency records.
Choose a date range
The list below shows 91–105 of 352 samples in this date range, newest first.
Routine (15).
| Result | Organism |
|---|---|
|
|
| Absence , sample collected Feb 17, 2026 10:05, sampling point TC0004 | Coliform (TCR) |
| Absence , sample collected Feb 17, 2026 10:05, sampling point TC0004 | E. Coli |
|
|
| Absence , sample collected Feb 17, 2026 10:15, sampling point TC0007 | Coliform (TCR) |
| Absence , sample collected Feb 17, 2026 10:15, sampling point TC0007 | E. Coli |
|
|
| Absence , sample collected Feb 17, 2026 11:20, sampling point TC0011 | Coliform (TCR) |
| Absence , sample collected Feb 17, 2026 11:20, sampling point TC0011 | E. Coli |
|
|
| Absence , sample collected Feb 10, 2026 10:25, sampling point TC0015 | Coliform (TCR) |
| Absence , sample collected Feb 10, 2026 10:25, sampling point TC0015 | E. Coli |
|
|
| Absence , sample collected Feb 10, 2026 10:50, sampling point TC0017 | Coliform (TCR) |
| Absence , sample collected Feb 10, 2026 10:50, sampling point TC0017 | E. Coli |
|
|
| Absence , sample collected Feb 10, 2026 10:40, sampling point TC0019 | Coliform (TCR) |
| Absence , sample collected Feb 10, 2026 10:40, sampling point TC0019 | E. Coli |
|
|
| Absence , sample collected Feb 10, 2026 11:15, sampling point TC0021 | Coliform (TCR) |
| Absence , sample collected Feb 10, 2026 11:15, sampling point TC0021 | E. Coli |
|
|
| Absence , sample collected Feb 10, 2026 11:25, sampling point TC0022 | Coliform (TCR) |
| Absence , sample collected Feb 10, 2026 11:25, sampling point TC0022 | E. Coli |
|
|
| Absence , sample collected Feb 10, 2026 11:05, sampling point TC0030 | Coliform (TCR) |
| Absence , sample collected Feb 10, 2026 11:05, sampling point TC0030 | E. Coli |
|
|
| Absence , sample collected Feb 9, 2026 11:30, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Feb 9, 2026 11:30, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Feb 9, 2026 10:50, sampling point TC0002 | Coliform (TCR) |
| Absence , sample collected Feb 9, 2026 10:50, sampling point TC0002 | E. Coli |
|
|
| Absence , sample collected Feb 9, 2026 10:15, sampling point TC0003 | Coliform (TCR) |
| Absence , sample collected Feb 9, 2026 10:15, sampling point TC0003 | E. Coli |
|
|
| Absence , sample collected Feb 9, 2026 10:30, sampling point TC0005 | Coliform (TCR) |
| Absence , sample collected Feb 9, 2026 10:30, sampling point TC0005 | E. Coli |
|
|
| Absence , sample collected Feb 9, 2026 08:40, sampling point TC0010 | Coliform (TCR) |
| Absence , sample collected Feb 9, 2026 08:40, sampling point TC0010 | E. Coli |
|
|
| Absence , sample collected Feb 9, 2026 08:25, sampling point TC0023 | Coliform (TCR) |
| Absence , sample collected Feb 9, 2026 08:25, sampling point TC0023 | E. Coli |
-
- Collected
- Feb 17, 2026 10:05
- Sampling point
- TC0004 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250922-48253
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2026 – Feb 28, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 17, 2026 10:15
- Sampling point
- TC0007 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250922-48252
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2026 – Feb 28, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 17, 2026 11:20
- Sampling point
- TC0011 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250922-48254
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2026 – Feb 28, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 10, 2026 10:25
- Sampling point
- TC0015 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250922-48248
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2026 – Feb 28, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 10, 2026 10:50
- Sampling point
- TC0017 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250922-48246
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2026 – Feb 28, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 10, 2026 10:40
- Sampling point
- TC0019 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250922-48250
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2026 – Feb 28, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 10, 2026 11:15
- Sampling point
- TC0021 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250922-48249
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2026 – Feb 28, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 10, 2026 11:25
- Sampling point
- TC0022 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250922-48247
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2026 – Feb 28, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 10, 2026 11:05
- Sampling point
- TC0030 No Description
- Sample type
- Routine
- Lab sample
- BACT-250922-48251
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2026 – Feb 28, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 9, 2026 11:30
- Sampling point
- TC0001 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250922-48241
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2026 – Feb 28, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 9, 2026 10:50
- Sampling point
- TC0002 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250922-48245
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2026 – Feb 28, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 9, 2026 10:15
- Sampling point
- TC0003 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250922-48243
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2026 – Feb 28, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 9, 2026 10:30
- Sampling point
- TC0005 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250922-48240
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2026 – Feb 28, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 9, 2026 08:40
- Sampling point
- TC0010 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250922-48242
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2026 – Feb 28, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 9, 2026 08:25
- Sampling point
- TC0023 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250922-48244
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2026 – Feb 28, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli