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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

MS0670014 , MS State Penitentiary-MN Ln

20 of 1,548 results on record were positive for coliform or another organism the agency tests for. The most recent was September 19, 2025.

They fall across 20 of the 1,293 samples on record.

Every sample on record, October 13, 2003 to July 14, 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 25, 2024 and September 25, 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 59 samples in this date range, newest first.

Routine (15).

Coliform and microbial sample results for MS State Penitentiary-MN Ln, 1 to 15 of 59 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Jul 14, 2026 13:30
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-260211-2749
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 14, 2026 13:30, sampling point TC0004 Coliform (TCR)
Absence , sample collected Jul 14, 2026 13:30, sampling point TC0004 E. Coli
Collected
Jul 14, 2026 13:45
Sampling point
TC0007 Sample Faucet
Sample type
Routine
Lab sample
BACT-260211-2750
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 14, 2026 13:45, sampling point TC0007 Coliform (TCR)
Absence , sample collected Jul 14, 2026 13:45, sampling point TC0007 E. Coli
Collected
Jun 9, 2026 11:00
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-260211-2748
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2026 – Jun 30, 2026
Absence , sample collected Jun 9, 2026 11:00, sampling point TC0004 Coliform (TCR)
Absence , sample collected Jun 9, 2026 11:00, sampling point TC0004 E. Coli
Collected
Jun 9, 2026 11:15
Sampling point
TC0007 Sample Faucet
Sample type
Routine
Lab sample
BACT-260211-2747
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2026 – Jun 30, 2026
Absence , sample collected Jun 9, 2026 11:15, sampling point TC0007 Coliform (TCR)
Absence , sample collected Jun 9, 2026 11:15, sampling point TC0007 E. Coli
Collected
May 18, 2026 11:30
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-260211-2746
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 18, 2026 11:30, sampling point TC0004 Coliform (TCR)
Absence , sample collected May 18, 2026 11:30, sampling point TC0004 E. Coli
Collected
May 18, 2026 11:50
Sampling point
TC0007 Sample Faucet
Sample type
Routine
Lab sample
BACT-260211-2745
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 18, 2026 11:50, sampling point TC0007 Coliform (TCR)
Absence , sample collected May 18, 2026 11:50, sampling point TC0007 E. Coli
Collected
Apr 21, 2026 18:00
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-260211-2743
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2026 – Apr 30, 2026
Absence , sample collected Apr 21, 2026 18:00, sampling point TC0004 Coliform (TCR)
Absence , sample collected Apr 21, 2026 18:00, sampling point TC0004 E. Coli
Collected
Apr 21, 2026 18:15
Sampling point
TC0007 Sample Faucet
Sample type
Routine
Lab sample
BACT-260211-2744
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2026 – Apr 30, 2026
Absence , sample collected Apr 21, 2026 18:15, sampling point TC0007 Coliform (TCR)
Absence , sample collected Apr 21, 2026 18:15, sampling point TC0007 E. Coli
Collected
Mar 10, 2026 16:10
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-260211-2741
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2026 – Mar 31, 2026
Absence , sample collected Mar 10, 2026 16:10, sampling point TC0004 Coliform (TCR)
Absence , sample collected Mar 10, 2026 16:10, sampling point TC0004 E. Coli
Collected
Mar 10, 2026 16:20
Sampling point
TC0007 Sample Faucet
Sample type
Routine
Lab sample
BACT-260211-2742
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2026 – Mar 31, 2026
Absence , sample collected Mar 10, 2026 16:20, sampling point TC0007 Coliform (TCR)
Absence , sample collected Mar 10, 2026 16:20, sampling point TC0007 E. Coli
Collected
Feb 10, 2026 15:20
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-250917-48066
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 10, 2026 15:20, sampling point TC0004 Coliform (TCR)
Absence , sample collected Feb 10, 2026 15:20, sampling point TC0004 E. Coli
Collected
Feb 10, 2026 15:30
Sampling point
TC0007 Sample Faucet
Sample type
Routine
Lab sample
BACT-250917-48065
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 10, 2026 15:30, sampling point TC0007 Coliform (TCR)
Absence , sample collected Feb 10, 2026 15:30, sampling point TC0007 E. Coli
Collected
Jan 20, 2026 14:15
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-250917-48064
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 20, 2026 14:15, sampling point TC0004 Coliform (TCR)
Absence , sample collected Jan 20, 2026 14:15, sampling point TC0004 E. Coli
Collected
Jan 20, 2026 14:00
Sampling point
TC0007 Sample Faucet
Sample type
Routine
Lab sample
BACT-250917-48063
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 20, 2026 14:00, sampling point TC0007 Coliform (TCR)
Absence , sample collected Jan 20, 2026 14:00, sampling point TC0007 E. Coli
Collected
Dec 16, 2025 16:25
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-250917-48061
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 16, 2025 16:25, sampling point TC0004 Coliform (TCR)
Absence , sample collected Dec 16, 2025 16:25, sampling point TC0004 E. Coli