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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.

This system’s violations

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.

Show every sample on record

Choose a date range

The list below shows 46–60 of 88 samples in this date range, newest first.

Routine (15).

Coliform and microbial sample results for Calhoun Water Association, 46 to 60 of 88 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Aug 19, 2025
Sampling point
TC0003 No Description
Sample type
Routine
Lab sample
2508385-03
Laboratory
Bonner Analytical Testing Co
Monitoring period
Aug 1, 2025 – Aug 31, 2025
Absence , sample collected Aug 19, 2025, sampling point TC0003 Coliform (TCR)
Collected
Aug 19, 2025
Sampling point
TC0004 No Description
Sample type
Routine
Lab sample
2508385-04
Laboratory
Bonner Analytical Testing Co
Monitoring period
Aug 1, 2025 – Aug 31, 2025
Absence , sample collected Aug 19, 2025, sampling point TC0004 Coliform (TCR)
Collected
Aug 19, 2025
Sampling point
TC0006 No Description
Sample type
Routine
Lab sample
2508385-02
Laboratory
Bonner Analytical Testing Co
Monitoring period
Aug 1, 2025 – Aug 31, 2025
Absence , sample collected Aug 19, 2025, sampling point TC0006 Coliform (TCR)
Collected
Jul 15, 2025
Sampling point
TC0001 No Description
Sample type
Routine
Lab sample
2507310-02
Laboratory
Bonner Analytical Testing Co
Monitoring period
Jul 1, 2025 – Jul 31, 2025
Absence , sample collected Jul 15, 2025, sampling point TC0001 Coliform (TCR)
Collected
Jul 15, 2025
Sampling point
TC0002 No Description
Sample type
Routine
Lab sample
2507310-01
Laboratory
Bonner Analytical Testing Co
Monitoring period
Jul 1, 2025 – Jul 31, 2025
Absence , sample collected Jul 15, 2025, sampling point TC0002 Coliform (TCR)
Collected
Jul 15, 2025
Sampling point
TC0003 No Description
Sample type
Routine
Lab sample
2507310-03
Laboratory
Bonner Analytical Testing Co
Monitoring period
Jul 1, 2025 – Jul 31, 2025
Absence , sample collected Jul 15, 2025, sampling point TC0003 Coliform (TCR)
Collected
Jul 15, 2025
Sampling point
TC0004 No Description
Sample type
Routine
Lab sample
2507310-04
Laboratory
Bonner Analytical Testing Co
Monitoring period
Jul 1, 2025 – Jul 31, 2025
Absence , sample collected Jul 15, 2025, sampling point TC0004 Coliform (TCR)
Collected
Jun 23, 2025
Sampling point
TC0002 No Description
Sample type
Routine
Lab sample
2506441-01
Laboratory
Bonner Analytical Testing Co
Monitoring period
Jun 1, 2025 – Jun 30, 2025
Absence , sample collected Jun 23, 2025, sampling point TC0002 Coliform (TCR)
Collected
Jun 23, 2025
Sampling point
TC0003 No Description
Sample type
Routine
Lab sample
2506441-03
Laboratory
Bonner Analytical Testing Co
Monitoring period
Jun 1, 2025 – Jun 30, 2025
Absence , sample collected Jun 23, 2025, sampling point TC0003 Coliform (TCR)
Collected
Jun 23, 2025
Sampling point
TC0004 No Description
Sample type
Routine
Lab sample
2506441-04
Laboratory
Bonner Analytical Testing Co
Monitoring period
Jun 1, 2025 – Jun 30, 2025
Absence , sample collected Jun 23, 2025, sampling point TC0004 Coliform (TCR)
Collected
Jun 23, 2025
Sampling point
TC0006 No Description
Sample type
Routine
Lab sample
2506441-02
Laboratory
Bonner Analytical Testing Co
Monitoring period
Jun 1, 2025 – Jun 30, 2025
Absence , sample collected Jun 23, 2025, sampling point TC0006 Coliform (TCR)
Collected
May 13, 2025
Sampling point
TC0001 No Description
Sample type
Routine
Lab sample
2505216-02
Laboratory
Bonner Analytical Testing Co
Monitoring period
May 1, 2025 – May 31, 2025
Absence , sample collected May 13, 2025, sampling point TC0001 Coliform (TCR)
Collected
May 13, 2025
Sampling point
TC0002 No Description
Sample type
Routine
Lab sample
2505216-01
Laboratory
Bonner Analytical Testing Co
Monitoring period
May 1, 2025 – May 31, 2025
Absence , sample collected May 13, 2025, sampling point TC0002 Coliform (TCR)
Collected
May 13, 2025
Sampling point
TC0003 No Description
Sample type
Routine
Lab sample
2505216-03
Laboratory
Bonner Analytical Testing Co
Monitoring period
May 1, 2025 – May 31, 2025
Absence , sample collected May 13, 2025, sampling point TC0003 Coliform (TCR)
Collected
May 13, 2025
Sampling point
TC0004 No Description
Sample type
Routine
Lab sample
2505216-04
Laboratory
Bonner Analytical Testing Co
Monitoring period
May 1, 2025 – May 31, 2025
Absence , sample collected May 13, 2025, sampling point TC0004 Coliform (TCR)