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
MS0480019 , Cason Water Association
7 of 1,842 results on record were positive for coliform or another organism the agency tests for. The most recent was April 7, 2026.
They fall across 7 of the 1,396 samples on record.
Every sample on record, October 21, 2003 to August 12, 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 121 samples in this date range, newest first.
Routine (10) and Repeat (5).
| Result | Organism |
|---|---|
|
|
| Absence , sample collected May 11, 2026 09:55, sampling point TC0005 | Coliform (TCR) |
| Absence , sample collected May 11, 2026 09:55, sampling point TC0005 | E. Coli |
|
|
| Absence , sample collected May 11, 2026 10:05, sampling point TC0006 | Coliform (TCR) |
| Absence , sample collected May 11, 2026 10:05, sampling point TC0006 | E. Coli |
|
|
| Absence , sample collected May 11, 2026 09:40, sampling point TC0007 | Coliform (TCR) |
| Absence , sample collected May 11, 2026 09:40, sampling point TC0007 | E. Coli |
|
|
| Absence , sample collected May 11, 2026 09:30, sampling point TC0011 | Coliform (TCR) |
| Absence , sample collected May 11, 2026 09:30, sampling point TC0011 | E. Coli |
|
|
| Absence , sample collected May 11, 2026 09:25, sampling point TC0012 | Coliform (TCR) |
| Absence , sample collected May 11, 2026 09:25, sampling point TC0012 | E. Coli |
|
|
| Absence , sample collected Apr 13, 2026 14:15, sampling point DS000 | Coliform (TCR) |
| Absence , sample collected Apr 13, 2026 14:15, sampling point DS000 | E. Coli |
|
|
| Absence , sample collected Apr 9, 2026 14:15, sampling point DS000 | Coliform (TCR) |
| Absence , sample collected Apr 9, 2026 14:15, sampling point DS000 | E. Coli |
|
|
| Absence , sample collected Apr 9, 2026 14:10, sampling point TC0012 | Coliform (TCR) |
| Absence , sample collected Apr 9, 2026 14:10, sampling point TC0012 | E. Coli |
|
|
| Presence , sample collected Apr 7, 2026 08:35, sampling point DS000 | Coliform (TCR) |
| Absence , sample collected Apr 7, 2026 08:35, sampling point DS000 | E. Coli |
|
|
| Absence , sample collected Apr 7, 2026 08:45, sampling point DS000 | Coliform (TCR) |
| Absence , sample collected Apr 7, 2026 08:45, sampling point DS000 | E. Coli |
|
|
| Absence , sample collected Apr 7, 2026 08:55, sampling point DS000 | Coliform (TCR) |
| Absence , sample collected Apr 7, 2026 08:55, sampling point DS000 | E. Coli |
|
|
| Absence , sample collected Apr 7, 2026 09:05, sampling point DS000 | Coliform (TCR) |
| Absence , sample collected Apr 7, 2026 09:05, sampling point DS000 | E. Coli |
|
|
| Absence , sample collected Apr 7, 2026 09:15, sampling point DS000 | Coliform (TCR) |
| Absence , sample collected Apr 7, 2026 09:15, sampling point DS000 | E. Coli |
|
|
| Absence , sample collected Mar 13, 2026 14:05, sampling point DS000 | Coliform (TCR) |
| Absence , sample collected Mar 13, 2026 14:05, sampling point DS000 | E. Coli |
|
|
| Absence , sample collected Mar 13, 2026 15:00, sampling point DS000 | Coliform (TCR) |
| Absence , sample collected Mar 13, 2026 15:00, sampling point DS000 | E. Coli |
-
- Collected
- May 11, 2026 09:55
- Sampling point
- TC0005 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250416-21770
- Laboratory
- MSDH Lab
- Monitoring period
- May 1, 2026 – May 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- May 11, 2026 10:05
- Sampling point
- TC0006 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250416-21772
- Laboratory
- MSDH Lab
- Monitoring period
- May 1, 2026 – May 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- May 11, 2026 09:40
- Sampling point
- TC0007 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250416-21769
- Laboratory
- MSDH Lab
- Monitoring period
- May 1, 2026 – May 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- May 11, 2026 09:30
- Sampling point
- TC0011 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250416-21768
- Laboratory
- MSDH Lab
- Monitoring period
- May 1, 2026 – May 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- May 11, 2026 09:25
- Sampling point
- TC0012 Outside Faucet
- Sample type
- Routine
- Lab sample
- BACT-250416-21771
- Laboratory
- MSDH Lab
- Monitoring period
- May 1, 2026 – May 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Apr 13, 2026 14:15
- Sampling point
- DS000 Distribution
- Sample type
- Repeat
- Lab sample
- BACT-250416-21773
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2026 – Apr 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Apr 9, 2026 14:15
- Sampling point
- DS000 Distribution
- Sample type
- Repeat
- Lab sample
- BACT-250416-21775
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2026 – Apr 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Apr 9, 2026 14:10
- Sampling point
- TC0012 Outside Faucet
- Sample type
- Repeat
- Lab sample
- BACT-250416-21776
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2026 – Apr 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Apr 7, 2026 08:35
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- BACT-250416-21759
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2026 – Apr 30, 2026
-
- Result
- Presence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Apr 7, 2026 08:45
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- BACT-250416-21760
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2026 – Apr 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Apr 7, 2026 08:55
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- BACT-250416-21761
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2026 – Apr 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Apr 7, 2026 09:05
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- BACT-250416-21762
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2026 – Apr 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Apr 7, 2026 09:15
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- BACT-250416-21763
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2026 – Apr 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 13, 2026 14:05
- Sampling point
- DS000 Distribution
- Sample type
- Repeat
- Lab sample
- BACT-250416-21764
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 13, 2026 15:00
- Sampling point
- DS000 Distribution
- Sample type
- Repeat
- Lab sample
- BACT-250416-21765
- Laboratory
- MSDH Lab
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli