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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 1–15 of 88 samples in this date range, newest first.

Routine (15).

Coliform and microbial sample results for Calhoun Water Association, 1 to 15 of 88 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Jul 15, 2026
Sampling point
TC0001 No Description
Sample type
Routine
Lab sample
2607322-02
Laboratory
Bonner Analytical Testing Co
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 15, 2026, sampling point TC0001 Coliform (TCR)
Absence , sample collected Jul 15, 2026, sampling point TC0001 E. Coli
Collected
Jul 15, 2026
Sampling point
TC0002 No Description
Sample type
Routine
Lab sample
2607322-01
Laboratory
Bonner Analytical Testing Co
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 15, 2026, sampling point TC0002 Coliform (TCR)
Absence , sample collected Jul 15, 2026, sampling point TC0002 E. Coli
Collected
Jul 15, 2026
Sampling point
TC0003 No Description
Sample type
Routine
Lab sample
2607322-03
Laboratory
Bonner Analytical Testing Co
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 15, 2026, sampling point TC0003 Coliform (TCR)
Absence , sample collected Jul 15, 2026, sampling point TC0003 E. Coli
Collected
Jul 15, 2026
Sampling point
TC0004 No Description
Sample type
Routine
Lab sample
2607322-04
Laboratory
Bonner Analytical Testing Co
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 15, 2026, sampling point TC0004 Coliform (TCR)
Absence , sample collected Jul 15, 2026, sampling point TC0004 E. Coli
Collected
Jun 17, 2026
Sampling point
TC0002 No Description
Sample type
Routine
Lab sample
2606322-01
Laboratory
Bonner Analytical Testing Co
Monitoring period
Jun 1, 2026 – Jun 30, 2026
Absence , sample collected Jun 17, 2026, sampling point TC0002 Coliform (TCR)
Absence , sample collected Jun 17, 2026, sampling point TC0002 E. Coli
Collected
Jun 17, 2026
Sampling point
TC0003 No Description
Sample type
Routine
Lab sample
2606322-03
Laboratory
Bonner Analytical Testing Co
Monitoring period
Jun 1, 2026 – Jun 30, 2026
Absence , sample collected Jun 17, 2026, sampling point TC0003 Coliform (TCR)
Absence , sample collected Jun 17, 2026, sampling point TC0003 E. Coli
Collected
Jun 17, 2026
Sampling point
TC0004 No Description
Sample type
Routine
Lab sample
2606322-04
Laboratory
Bonner Analytical Testing Co
Monitoring period
Jun 1, 2026 – Jun 30, 2026
Absence , sample collected Jun 17, 2026, sampling point TC0004 Coliform (TCR)
Absence , sample collected Jun 17, 2026, sampling point TC0004 E. Coli
Collected
Jun 17, 2026
Sampling point
TC0006 No Description
Sample type
Routine
Lab sample
2606322-02
Laboratory
Bonner Analytical Testing Co
Monitoring period
Jun 1, 2026 – Jun 30, 2026
Absence , sample collected Jun 17, 2026, sampling point TC0006 Coliform (TCR)
Absence , sample collected Jun 17, 2026, sampling point TC0006 E. Coli
Collected
May 5, 2026
Sampling point
TC0001 No Description
Sample type
Routine
Lab sample
2605100-02
Laboratory
Bonner Analytical Testing Co
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 5, 2026, sampling point TC0001 Coliform (TCR)
Absence , sample collected May 5, 2026, sampling point TC0001 E. Coli
Collected
May 5, 2026
Sampling point
TC0002 No Description
Sample type
Routine
Lab sample
2605100-01
Laboratory
Bonner Analytical Testing Co
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 5, 2026, sampling point TC0002 Coliform (TCR)
Absence , sample collected May 5, 2026, sampling point TC0002 E. Coli
Collected
May 5, 2026
Sampling point
TC0003 No Description
Sample type
Routine
Lab sample
2605100-03
Laboratory
Bonner Analytical Testing Co
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 5, 2026, sampling point TC0003 Coliform (TCR)
Absence , sample collected May 5, 2026, sampling point TC0003 E. Coli
Collected
May 5, 2026
Sampling point
TC0004 No Description
Sample type
Routine
Lab sample
2605100-04
Laboratory
Bonner Analytical Testing Co
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 5, 2026, sampling point TC0004 Coliform (TCR)
Absence , sample collected May 5, 2026, sampling point TC0004 E. Coli
Collected
Apr 21, 2026
Sampling point
TC0002 No Description
Sample type
Routine
Lab sample
2604363-01
Laboratory
Bonner Analytical Testing Co
Monitoring period
Apr 1, 2026 – Apr 30, 2026
Absence , sample collected Apr 21, 2026, sampling point TC0002 Coliform (TCR)
Absence , sample collected Apr 21, 2026, sampling point TC0002 E. Coli
Collected
Apr 21, 2026
Sampling point
TC0003 No Description
Sample type
Routine
Lab sample
2604363-03
Laboratory
Bonner Analytical Testing Co
Monitoring period
Apr 1, 2026 – Apr 30, 2026
Absence , sample collected Apr 21, 2026, sampling point TC0003 Coliform (TCR)
Absence , sample collected Apr 21, 2026, sampling point TC0003 E. Coli
Collected
Apr 21, 2026
Sampling point
TC0004 No Description
Sample type
Routine
Lab sample
2604363-04
Laboratory
Bonner Analytical Testing Co
Monitoring period
Apr 1, 2026 – Apr 30, 2026
Absence , sample collected Apr 21, 2026, sampling point TC0004 Coliform (TCR)
Absence , sample collected Apr 21, 2026, sampling point TC0004 E. Coli