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
MS0340001 , Calhoun Water Association
1 of 1,457 results on record was positive for coliform or another organism the agency tests for. The most recent was June 9, 2005.
They fall across 1 of the 1,253 samples on record.
Every sample on record, October 7, 2003 to July 15, 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 16–30 of 88 samples in this date range, newest first.
Routine (15).
| Result | Organism |
|---|---|
|
|
| Absence , sample collected Apr 21, 2026, sampling point TC0006 | Coliform (TCR) |
| Absence , sample collected Apr 21, 2026, sampling point TC0006 | E. Coli |
|
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| Absence , sample collected Mar 17, 2026, sampling point TC0001 | Coliform (TCR) |
|
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| Absence , sample collected Mar 17, 2026, sampling point TC0002 | Coliform (TCR) |
|
|
| Absence , sample collected Mar 17, 2026, sampling point TC0003 | Coliform (TCR) |
|
|
| Absence , sample collected Mar 17, 2026, sampling point TC0004 | Coliform (TCR) |
|
|
| Absence , sample collected Feb 23, 2026, sampling point TC0002 | Coliform (TCR) |
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| Absence , sample collected Feb 23, 2026, sampling point TC0003 | Coliform (TCR) |
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| Absence , sample collected Feb 23, 2026, sampling point TC0004 | Coliform (TCR) |
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| Absence , sample collected Feb 23, 2026, sampling point TC0006 | Coliform (TCR) |
|
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| Absence , sample collected Jan 21, 2026, sampling point TC0001 | Coliform (TCR) |
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| Absence , sample collected Jan 21, 2026, sampling point TC0002 | Coliform (TCR) |
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| Absence , sample collected Jan 21, 2026, sampling point TC0003 | Coliform (TCR) |
|
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| Absence , sample collected Jan 21, 2026, sampling point TC0004 | Coliform (TCR) |
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| Absence , sample collected Dec 15, 2025, sampling point TC0002 | Coliform (TCR) |
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| Absence , sample collected Dec 15, 2025, sampling point TC0003 | Coliform (TCR) |
-
- Collected
- Apr 21, 2026
- Sampling point
- TC0006 No Description
- Sample type
- Routine
- Lab sample
- 2604363-02
- Laboratory
- Bonner Analytical Testing Co
- Monitoring period
- Apr 1, 2026 – Apr 30, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Result
- Absence
- Organism
- E. Coli
-
- Collected
- Mar 17, 2026
- Sampling point
- TC0001 No Description
- Sample type
- Routine
- Lab sample
- 2603284-02
- Laboratory
- Bonner Analytical Testing Co
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Collected
- Mar 17, 2026
- Sampling point
- TC0002 No Description
- Sample type
- Routine
- Lab sample
- 2603284-01
- Laboratory
- Bonner Analytical Testing Co
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Collected
- Mar 17, 2026
- Sampling point
- TC0003 No Description
- Sample type
- Routine
- Lab sample
- 2603284-03
- Laboratory
- Bonner Analytical Testing Co
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Collected
- Mar 17, 2026
- Sampling point
- TC0004 No Description
- Sample type
- Routine
- Lab sample
- 2603284-04
- Laboratory
- Bonner Analytical Testing Co
- Monitoring period
- Mar 1, 2026 – Mar 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Collected
- Feb 23, 2026
- Sampling point
- TC0002 No Description
- Sample type
- Routine
- Lab sample
- 2602378-01
- Laboratory
- Bonner Analytical Testing Co
- Monitoring period
- Feb 1, 2026 – Feb 28, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Collected
- Feb 23, 2026
- Sampling point
- TC0003 No Description
- Sample type
- Routine
- Lab sample
- 2602378-03
- Laboratory
- Bonner Analytical Testing Co
- Monitoring period
- Feb 1, 2026 – Feb 28, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Collected
- Feb 23, 2026
- Sampling point
- TC0004 No Description
- Sample type
- Routine
- Lab sample
- 2602378-04
- Laboratory
- Bonner Analytical Testing Co
- Monitoring period
- Feb 1, 2026 – Feb 28, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Collected
- Feb 23, 2026
- Sampling point
- TC0006 No Description
- Sample type
- Routine
- Lab sample
- 2602378-02
- Laboratory
- Bonner Analytical Testing Co
- Monitoring period
- Feb 1, 2026 – Feb 28, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Collected
- Jan 21, 2026
- Sampling point
- TC0001 No Description
- Sample type
- Routine
- Lab sample
- 2601341-02
- Laboratory
- Bonner Analytical Testing Co
- Monitoring period
- Jan 1, 2026 – Jan 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Collected
- Jan 21, 2026
- Sampling point
- TC0002 No Description
- Sample type
- Routine
- Lab sample
- 2601341-01
- Laboratory
- Bonner Analytical Testing Co
- Monitoring period
- Jan 1, 2026 – Jan 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Collected
- Jan 21, 2026
- Sampling point
- TC0003 No Description
- Sample type
- Routine
- Lab sample
- 2601341-03
- Laboratory
- Bonner Analytical Testing Co
- Monitoring period
- Jan 1, 2026 – Jan 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Collected
- Jan 21, 2026
- Sampling point
- TC0004 No Description
- Sample type
- Routine
- Lab sample
- 2601341-04
- Laboratory
- Bonner Analytical Testing Co
- Monitoring period
- Jan 1, 2026 – Jan 31, 2026
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Collected
- Dec 15, 2025
- Sampling point
- TC0002 No Description
- Sample type
- Routine
- Lab sample
- 2512352-01
- Laboratory
- Bonner Analytical Testing Co
- Monitoring period
- Dec 1, 2025 – Dec 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)
-
- Collected
- Dec 15, 2025
- Sampling point
- TC0003 No Description
- Sample type
- Routine
- Lab sample
- 2512352-03
- Laboratory
- Bonner Analytical Testing Co
- Monitoring period
- Dec 1, 2025 – Dec 31, 2025
-
- Result
- Absence
- Organism
- Coliform (TCR)