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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

MS0450019 , PRVWSD-Main Harbor

No positive results are on record for PRVWSD-Main Harbor — none among 730 results across 558 samples.

The agency records 2 validated violations for this system on what this page reports: this system’s violations.

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 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 46 samples in this date range, newest first.

Routine (15).

Coliform and microbial sample results for PRVWSD-Main Harbor, 1 to 15 of 46 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Aug 10, 2026 10:30
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-260331-9088
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2026 – Aug 31, 2026
Absence , sample collected Aug 10, 2026 10:30, sampling point TC0001 Coliform (TCR)
Absence , sample collected Aug 10, 2026 10:30, sampling point TC0001 E. Coli
Collected
Aug 10, 2026 10:15
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-260331-9087
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2026 – Aug 31, 2026
Absence , sample collected Aug 10, 2026 10:15, sampling point TC0002 Coliform (TCR)
Absence , sample collected Aug 10, 2026 10:15, sampling point TC0002 E. Coli
Collected
Jul 6, 2026 10:05
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
BACT-260331-9085
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 6, 2026 10:05, sampling point DS000 Coliform (TCR)
Absence , sample collected Jul 6, 2026 10:05, sampling point DS000 E. Coli
Collected
Jul 6, 2026 10:25
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-260331-9086
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 6, 2026 10:25, sampling point TC0002 Coliform (TCR)
Absence , sample collected Jul 6, 2026 10:25, sampling point TC0002 E. Coli
Collected
Jun 8, 2026 10:20
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-260331-9083
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2026 – Jun 30, 2026
Absence , sample collected Jun 8, 2026 10:20, sampling point TC0001 Coliform (TCR)
Absence , sample collected Jun 8, 2026 10:20, sampling point TC0001 E. Coli
Collected
Jun 8, 2026 10:35
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-260331-9084
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2026 – Jun 30, 2026
Absence , sample collected Jun 8, 2026 10:35, sampling point TC0002 Coliform (TCR)
Absence , sample collected Jun 8, 2026 10:35, sampling point TC0002 E. Coli
Collected
May 13, 2026 08:50
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-260331-9082
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 13, 2026 08:50, sampling point TC0001 Coliform (TCR)
Absence , sample collected May 13, 2026 08:50, sampling point TC0001 E. Coli
Collected
May 13, 2026 08:35
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-260331-9081
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 13, 2026 08:35, sampling point TC0002 Coliform (TCR)
Absence , sample collected May 13, 2026 08:35, sampling point TC0002 E. Coli
Collected
Apr 13, 2026 10:45
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-250514-25966
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2026 – Apr 30, 2026
Absence , sample collected Apr 13, 2026 10:45, sampling point TC0001 Coliform (TCR)
Absence , sample collected Apr 13, 2026 10:45, sampling point TC0001 E. Coli
Collected
Apr 13, 2026 11:00
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-250514-25967
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2026 – Apr 30, 2026
Absence , sample collected Apr 13, 2026 11:00, sampling point TC0002 Coliform (TCR)
Absence , sample collected Apr 13, 2026 11:00, sampling point TC0002 E. Coli
Collected
Mar 9, 2026 10:00
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-250514-25964
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2026 – Mar 31, 2026
Absence , sample collected Mar 9, 2026 10:00, sampling point TC0001 Coliform (TCR)
Absence , sample collected Mar 9, 2026 10:00, sampling point TC0001 E. Coli
Collected
Mar 9, 2026 10:15
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-250514-25965
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2026 – Mar 31, 2026
Absence , sample collected Mar 9, 2026 10:15, sampling point TC0002 Coliform (TCR)
Absence , sample collected Mar 9, 2026 10:15, sampling point TC0002 E. Coli
Collected
Feb 10, 2026 10:15
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-250514-25962
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 10, 2026 10:15, sampling point TC0001 Coliform (TCR)
Absence , sample collected Feb 10, 2026 10:15, sampling point TC0001 E. Coli
Collected
Feb 10, 2026 10:30
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-250514-25963
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 10, 2026 10:30, sampling point TC0002 Coliform (TCR)
Absence , sample collected Feb 10, 2026 10:30, sampling point TC0002 E. Coli
Collected
Jan 5, 2026 10:00
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-250514-25956
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 5, 2026 10:00, sampling point TC0001 Coliform (TCR)
Absence , sample collected Jan 5, 2026 10:00, sampling point TC0001 E. Coli