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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

MS0450024 , PRVWSD-Twin Harbor

4 of 778 results on record were positive for coliform or another organism the agency tests for. The most recent was November 1, 2006.

They fall across 4 of the 590 samples on record.

Every sample on record, October 15, 2003 to August 10, 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 31–45 of 54 samples in this date range, newest first.

Routine (15).

Coliform and microbial sample results for PRVWSD-Twin Harbor, 31 to 45 of 54 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Sep 4, 2025 07:37
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-230104-646
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2025 – Sep 30, 2025
Absence , sample collected Sep 4, 2025 07:37, sampling point TC0007 Coliform (TCR)
Absence , sample collected Sep 4, 2025 07:37, sampling point TC0007 E. Coli
Collected
Sep 4, 2025 07:48
Sampling point
TC0010 Outside Faucet
Sample type
Routine
Lab sample
BACT-230104-647
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2025 – Sep 30, 2025
Absence , sample collected Sep 4, 2025 07:48, sampling point TC0010 Coliform (TCR)
Absence , sample collected Sep 4, 2025 07:48, sampling point TC0010 E. Coli
Collected
Aug 5, 2025 07:00
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-230104-644
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2025 – Aug 31, 2025
Absence , sample collected Aug 5, 2025 07:00, sampling point TC0007 Coliform (TCR)
Absence , sample collected Aug 5, 2025 07:00, sampling point TC0007 E. Coli
Collected
Aug 5, 2025 07:15
Sampling point
TC0010 Outside Faucet
Sample type
Routine
Lab sample
BACT-230104-645
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2025 – Aug 31, 2025
Absence , sample collected Aug 5, 2025 07:15, sampling point TC0010 Coliform (TCR)
Absence , sample collected Aug 5, 2025 07:15, sampling point TC0010 E. Coli
Collected
Jul 8, 2025 08:20
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-230104-643
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2025 – Jul 31, 2025
Absence , sample collected Jul 8, 2025 08:20, sampling point TC0007 Coliform (TCR)
Absence , sample collected Jul 8, 2025 08:20, sampling point TC0007 E. Coli
Collected
Jul 8, 2025 08:00
Sampling point
TC0010 Outside Faucet
Sample type
Routine
Lab sample
BACT-230104-642
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2025 – Jul 31, 2025
Absence , sample collected Jul 8, 2025 08:00, sampling point TC0010 Coliform (TCR)
Absence , sample collected Jul 8, 2025 08:00, sampling point TC0010 E. Coli
Collected
Jun 4, 2025 09:20
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-230104-640
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2025 – Jun 30, 2025
Absence , sample collected Jun 4, 2025 09:20, sampling point TC0007 Coliform (TCR)
Absence , sample collected Jun 4, 2025 09:20, sampling point TC0007 E. Coli
Collected
Jun 4, 2025 09:35
Sampling point
TC0010 Outside Faucet
Sample type
Routine
Lab sample
BACT-230104-641
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2025 – Jun 30, 2025
Absence , sample collected Jun 4, 2025 09:35, sampling point TC0010 Coliform (TCR)
Absence , sample collected Jun 4, 2025 09:35, sampling point TC0010 E. Coli
Collected
May 8, 2025 08:15
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-230104-639
Laboratory
MSDH Lab
Monitoring period
May 1, 2025 – May 31, 2025
Absence , sample collected May 8, 2025 08:15, sampling point TC0007 Coliform (TCR)
Absence , sample collected May 8, 2025 08:15, sampling point TC0007 E. Coli
Collected
May 8, 2025 08:00
Sampling point
TC0010 Outside Faucet
Sample type
Routine
Lab sample
BACT-230104-638
Laboratory
MSDH Lab
Monitoring period
May 1, 2025 – May 31, 2025
Absence , sample collected May 8, 2025 08:00, sampling point TC0010 Coliform (TCR)
Absence , sample collected May 8, 2025 08:00, sampling point TC0010 E. Coli
Collected
Apr 8, 2025 09:40
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-230104-637
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2025 – Apr 30, 2025
Absence , sample collected Apr 8, 2025 09:40, sampling point TC0007 Coliform (TCR)
Absence , sample collected Apr 8, 2025 09:40, sampling point TC0007 E. Coli
Collected
Apr 8, 2025 09:25
Sampling point
TC0010 Outside Faucet
Sample type
Routine
Lab sample
BACT-230104-636
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2025 – Apr 30, 2025
Absence , sample collected Apr 8, 2025 09:25, sampling point TC0010 Coliform (TCR)
Absence , sample collected Apr 8, 2025 09:25, sampling point TC0010 E. Coli
Collected
Mar 4, 2025 07:00
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-230104-620
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2025 – Mar 31, 2025
Absence , sample collected Mar 4, 2025 07:00, sampling point TC0007 Coliform (TCR)
Absence , sample collected Mar 4, 2025 07:00, sampling point TC0007 E. Coli
Collected
Mar 4, 2025 07:20
Sampling point
TC0010 Outside Faucet
Sample type
Routine
Lab sample
BACT-230104-635
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2025 – Mar 31, 2025
Absence , sample collected Mar 4, 2025 07:20, sampling point TC0010 Coliform (TCR)
Absence , sample collected Mar 4, 2025 07:20, sampling point TC0010 E. Coli
Collected
Feb 4, 2025 08:00
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-230104-618
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2025 – Feb 28, 2025
Absence , sample collected Feb 4, 2025 08:00, sampling point TC0007 Coliform (TCR)
Absence , sample collected Feb 4, 2025 08:00, sampling point TC0007 E. Coli