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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

MS0310008 , Montrose Water Association

3 of 375 results on record were positive for coliform or another organism the agency tests for. The most recent was January 13, 2021.

They fall across 3 of the 287 samples on record.

Every sample on record, October 6, 2003 to August 4, 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 23 samples in this date range, newest first.

Routine (15).

Coliform and microbial sample results for Montrose Water Association, 1 to 15 of 23 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Aug 4, 2026 10:30
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-250805-42088
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2026 – Aug 31, 2026
Absence , sample collected Aug 4, 2026 10:30, sampling point TC0003 Coliform (TCR)
Absence , sample collected Aug 4, 2026 10:30, sampling point TC0003 E. Coli
Collected
Jul 14, 2026 11:15
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-250805-42087
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 14, 2026 11:15, sampling point TC0001 Coliform (TCR)
Absence , sample collected Jul 14, 2026 11:15, sampling point TC0001 E. Coli
Collected
Jun 2, 2026 10:30
Sampling point
TC0012 Outside Faucet
Sample type
Routine
Lab sample
BACT-221211-39510
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2026 – Jun 30, 2026
Absence , sample collected Jun 2, 2026 10:30, sampling point TC0012 Coliform (TCR)
Absence , sample collected Jun 2, 2026 10:30, sampling point TC0012 E. Coli
Collected
May 5, 2026 13:00
Sampling point
TC0010 Outside Faucet
Sample type
Routine
Lab sample
BACT-221211-39509
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 5, 2026 13:00, sampling point TC0010 Coliform (TCR)
Absence , sample collected May 5, 2026 13:00, sampling point TC0010 E. Coli
Collected
Apr 14, 2026 11:00
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-221211-39508
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2026 – Apr 30, 2026
Absence , sample collected Apr 14, 2026 11:00, sampling point TC0001 Coliform (TCR)
Absence , sample collected Apr 14, 2026 11:00, sampling point TC0001 E. Coli
Collected
Mar 10, 2026 10:45
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-221211-39507
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2026 – Mar 31, 2026
Absence , sample collected Mar 10, 2026 10:45, sampling point TC0008 Coliform (TCR)
Absence , sample collected Mar 10, 2026 10:45, sampling point TC0008 E. Coli
Collected
Feb 3, 2026 11:00
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-221211-39506
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 3, 2026 11:00, sampling point TC0001 Coliform (TCR)
Absence , sample collected Feb 3, 2026 11:00, sampling point TC0001 E. Coli
Collected
Jan 13, 2026 11:00
Sampling point
TC0012 Outside Faucet
Sample type
Routine
Lab sample
BACT-221211-39505
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 13, 2026 11:00, sampling point TC0012 Coliform (TCR)
Absence , sample collected Jan 13, 2026 11:00, sampling point TC0012 E. Coli
Collected
Dec 9, 2025 11:20
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-221211-39504
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 9, 2025 11:20, sampling point TC0002 Coliform (TCR)
Absence , sample collected Dec 9, 2025 11:20, sampling point TC0002 E. Coli
Collected
Nov 18, 2025 10:30
Sampling point
TC0012 Outside Faucet
Sample type
Routine
Lab sample
BACT-221211-39503
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2025 – Nov 30, 2025
Absence , sample collected Nov 18, 2025 10:30, sampling point TC0012 Coliform (TCR)
Absence , sample collected Nov 18, 2025 10:30, sampling point TC0012 E. Coli
Collected
Oct 8, 2025 11:30
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-221211-39500
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2025 – Oct 31, 2025
Absence , sample collected Oct 8, 2025 11:30, sampling point TC0004 Coliform (TCR)
Absence , sample collected Oct 8, 2025 11:30, sampling point TC0004 E. Coli
Collected
Sep 9, 2025 10:30
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-221211-39502
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2025 – Sep 30, 2025
Absence , sample collected Sep 9, 2025 10:30, sampling point TC0008 Coliform (TCR)
Absence , sample collected Sep 9, 2025 10:30, sampling point TC0008 E. Coli
Collected
Aug 5, 2025 13:15
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-221211-39501
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2025 – Aug 31, 2025
Absence , sample collected Aug 5, 2025 13:15, sampling point TC0001 Coliform (TCR)
Absence , sample collected Aug 5, 2025 13:15, sampling point TC0001 E. Coli
Collected
Jul 1, 2025 11:15
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-221211-39499
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2025 – Jul 31, 2025
Absence , sample collected Jul 1, 2025 11:15, sampling point TC0007 Coliform (TCR)
Absence , sample collected Jul 1, 2025 11:15, sampling point TC0007 E. Coli
Collected
Jun 10, 2025 13:55
Sampling point
TC0011 Outside Faucet
Sample type
Routine
Lab sample
BACT-221211-39498
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2025 – Jun 30, 2025
Absence , sample collected Jun 10, 2025 13:55, sampling point TC0011 Coliform (TCR)
Absence , sample collected Jun 10, 2025 13:55, sampling point TC0011 E. Coli