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
MS0480007 , Hamilton Water District
3 of 1,609 results on record were positive for coliform or another organism the agency tests for. The most recent was December 8, 2025.
They fall across 3 of the 1,244 samples on record.
Every sample on record, October 30, 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 25, 2024 and September 25, 2026. That is this page’s default, not a limit on what the agency records.
Choose a date range
The list below shows 16–30 of 100 samples in this date range, newest first.
Routine (15).
| Result | Organism |
|---|---|
|
|
| Absence , sample collected May 19, 2026 09:40, sampling point TC0007 | Coliform (TCR) |
| Absence , sample collected May 19, 2026 09:40, sampling point TC0007 | E. Coli |
|
|
| Absence , sample collected Apr 15, 2026 09:00, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Apr 15, 2026 09:00, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Apr 15, 2026 08:46, sampling point TC0005 | Coliform (TCR) |
| Absence , sample collected Apr 15, 2026 08:46, sampling point TC0005 | E. Coli |
|
|
| Absence , sample collected Apr 15, 2026 08:35, sampling point TC0006 | Coliform (TCR) |
| Absence , sample collected Apr 15, 2026 08:35, sampling point TC0006 | E. Coli |
|
|
| Absence , sample collected Apr 15, 2026 09:25, sampling point TC0007 | Coliform (TCR) |
| Absence , sample collected Apr 15, 2026 09:25, sampling point TC0007 | E. Coli |
|
|
| Absence , sample collected Mar 10, 2026 10:00, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Mar 10, 2026 10:00, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Mar 10, 2026 10:25, sampling point TC0005 | Coliform (TCR) |
| Absence , sample collected Mar 10, 2026 10:25, sampling point TC0005 | E. Coli |
|
|
| Absence , sample collected Mar 10, 2026 09:35, sampling point TC0006 | Coliform (TCR) |
| Absence , sample collected Mar 10, 2026 09:35, sampling point TC0006 | E. Coli |
|
|
| Absence , sample collected Mar 10, 2026 09:45, sampling point TC0007 | Coliform (TCR) |
| Absence , sample collected Mar 10, 2026 09:45, sampling point TC0007 | E. Coli |
|
|
| Absence , sample collected Feb 5, 2026 08:46, sampling point TC0005 | Coliform (TCR) |
| Absence , sample collected Feb 5, 2026 08:46, sampling point TC0005 | E. Coli |
|
|
| Absence , sample collected Feb 4, 2026 09:03, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Feb 4, 2026 09:03, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Feb 4, 2026 09:30, sampling point TC0004 | Coliform (TCR) |
| Absence , sample collected Feb 4, 2026 09:30, sampling point TC0004 | E. Coli |
|
|
| Absence , sample collected Feb 4, 2026 08:35, sampling point TC0006 | Coliform (TCR) |
| Absence , sample collected Feb 4, 2026 08:35, sampling point TC0006 | E. Coli |
|
|
| Absence , sample collected Jan 21, 2026 09:40, sampling point TC0001 | Coliform (TCR) |
| Absence , sample collected Jan 21, 2026 09:40, sampling point TC0001 | E. Coli |
|
|
| Absence , sample collected Jan 21, 2026 10:05, sampling point TC0004 | Coliform (TCR) |
| Absence , sample collected Jan 21, 2026 10:05, sampling point TC0004 | E. Coli |
-
- Collected
- May 19, 2026 09:40
- Sampling point
- TC0007 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250507-24820
- Laboratory
- MSDH Lab
- Monitoring period
- May 1, 2026 – May 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Apr 15, 2026 09:00
- Sampling point
- TC0001 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250507-24825
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2026 – Apr 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Apr 15, 2026 08:46
- Sampling point
- TC0005 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250507-24826
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2026 – Apr 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Apr 15, 2026 08:35
- Sampling point
- TC0006 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250507-24828
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2026 – Apr 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Apr 15, 2026 09:25
- Sampling point
- TC0007 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250507-24824
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2026 – Apr 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 10, 2026 10:00
- Sampling point
- TC0001 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250507-24830
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 10, 2026 10:25
- Sampling point
- TC0005 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250507-24829
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 10, 2026 09:35
- Sampling point
- TC0006 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250507-24832
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 10, 2026 09:45
- Sampling point
- TC0007 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250507-24831
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 5, 2026 08:46
- Sampling point
- TC0005 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250507-24809
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2026 – Feb 28, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 4, 2026 09:03
- Sampling point
- TC0001 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250507-24808
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2026 – Feb 28, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 4, 2026 09:30
- Sampling point
- TC0004 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250507-24827
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2026 – Feb 28, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Feb 4, 2026 08:35
- Sampling point
- TC0006 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250507-24810
- Laboratory
- MSDH Lab
- Monitoring period
- Feb 1, 2026 – Feb 28, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jan 21, 2026 09:40
- Sampling point
- TC0001 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250507-24813
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2026 – Jan 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Jan 21, 2026 10:05
- Sampling point
- TC0004 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250507-24812
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2026 – Jan 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli