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
MS0090004 , Houlka-Houston W/A
14 of 897 results on record were positive for coliform or another organism the agency tests for. The most recent was June 15, 2026.
They fall across 14 of the 692 samples on record.
Every sample on record, October 21, 2003 to August 3, 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 46–52 of 52 samples in this date range, newest first.
Routine (7).
| Result | Organism |
|---|---|
|
|
| Absence , sample collected Jan 13, 2025 14:30, sampling point TC0010 | Coliform (TCR) |
| Absence , sample collected Jan 13, 2025 14:30, sampling point TC0010 | E. Coli |
|
|
| Absence , sample collected Dec 3, 2024 13:30, sampling point TC0004 | Coliform (TCR) |
| Absence , sample collected Dec 3, 2024 13:30, sampling point TC0004 | E. Coli |
|
|
| Absence , sample collected Dec 3, 2024 14:15, sampling point TC0010 | Coliform (TCR) |
| Absence , sample collected Dec 3, 2024 14:15, sampling point TC0010 | E. Coli |
|
|
| Absence , sample collected Nov 18, 2024 14:00, sampling point TC0004 | Coliform (TCR) |
| Absence , sample collected Nov 18, 2024 14:00, sampling point TC0004 | E. Coli |
|
|
| Absence , sample collected Nov 18, 2024 14:45, sampling point TC0010 | Coliform (TCR) |
| Absence , sample collected Nov 18, 2024 14:45, sampling point TC0010 | E. Coli |
|
|
| Absence , sample collected Oct 21, 2024 12:30, sampling point TC0004 | Coliform (TCR) |
| Absence , sample collected Oct 21, 2024 12:30, sampling point TC0004 | E. Coli |
|
|
| Absence , sample collected Oct 21, 2024 15:15, sampling point TC0010 | Coliform (TCR) |
| Absence , sample collected Oct 21, 2024 15:15, sampling point TC0010 | E. Coli |
-
- Collected
- Jan 13, 2025 14:30
- Sampling point
- TC0010 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-240306-12330
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2025 – Jan 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Dec 3, 2024 13:30
- Sampling point
- TC0004 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-240306-12327
- Laboratory
- MSDH Lab
- Monitoring period
- Dec 1, 2024 – Dec 31, 2024
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Dec 3, 2024 14:15
- Sampling point
- TC0010 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-240306-12328
- Laboratory
- MSDH Lab
- Monitoring period
- Dec 1, 2024 – Dec 31, 2024
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Nov 18, 2024 14:00
- Sampling point
- TC0004 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-240306-12325
- Laboratory
- MSDH Lab
- Monitoring period
- Nov 1, 2024 – Nov 30, 2024
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Nov 18, 2024 14:45
- Sampling point
- TC0010 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-240306-12326
- Laboratory
- MSDH Lab
- Monitoring period
- Nov 1, 2024 – Nov 30, 2024
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Oct 21, 2024 12:30
- Sampling point
- TC0004 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-240306-12323
- Laboratory
- MSDH Lab
- Monitoring period
- Oct 1, 2024 – Oct 31, 2024
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Oct 21, 2024 15:15
- Sampling point
- TC0010 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-240306-12324
- Laboratory
- MSDH Lab
- Monitoring period
- Oct 1, 2024 – Oct 31, 2024
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli