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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

MS0710003 , Dennis Water Association

1 of 1,280 results on record was positive for coliform or another organism the agency tests for. The most recent was October 5, 2015.

They fall across 1 of the 964 samples on record.

Every sample on record, November 3, 2003 to August 4, 2026. No date range is applied.

This system’s violations

The most recent samples

No date range is applied: this list draws on every sample on record. Show the last two years only.

The list below shows 31–45 of 964 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Dennis Water Association, 31 to 45 of 964 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Jan 21, 2026 11:50
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-250328-17396
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 21, 2026 11:50, sampling point TC0008 Coliform (TCR)
Absence , sample collected Jan 21, 2026 11:50, sampling point TC0008 E. Coli
Collected
Jan 21, 2026 12:15
Sampling point
TC0023 No Description
Sample type
Routine
Lab sample
BACT-250328-17397
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 21, 2026 12:15, sampling point TC0023 Coliform (TCR)
Absence , sample collected Jan 21, 2026 12:15, sampling point TC0023 E. Coli
Collected
Dec 2, 2025 13:30
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-250328-17393
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 2, 2025 13:30, sampling point TC0007 Coliform (TCR)
Absence , sample collected Dec 2, 2025 13:30, sampling point TC0007 E. Coli
Collected
Dec 2, 2025 13:15
Sampling point
TC0016 Outside Faucet
Sample type
Routine
Lab sample
BACT-250328-17392
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 2, 2025 13:15, sampling point TC0016 Coliform (TCR)
Absence , sample collected Dec 2, 2025 13:15, sampling point TC0016 E. Coli
Collected
Dec 2, 2025 13:45
Sampling point
TC0023 No Description
Sample type
Routine
Lab sample
BACT-250328-17394
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 2, 2025 13:45, sampling point TC0023 Coliform (TCR)
Absence , sample collected Dec 2, 2025 13:45, sampling point TC0023 E. Coli
Collected
Dec 2, 2025 14:10
Sampling point
TC0024 No Description
Sample type
Routine
Lab sample
BACT-250328-17395
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 2, 2025 14:10, sampling point TC0024 Coliform (TCR)
Absence , sample collected Dec 2, 2025 14:10, sampling point TC0024 E. Coli
Collected
Nov 4, 2025 14:05
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
BACT-250328-17391
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2025 – Nov 30, 2025
Absence , sample collected Nov 4, 2025 14:05, sampling point TC0005 Coliform (TCR)
Absence , sample collected Nov 4, 2025 14:05, sampling point TC0005 E. Coli
Collected
Nov 4, 2025 13:20
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-250328-17389
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2025 – Nov 30, 2025
Absence , sample collected Nov 4, 2025 13:20, sampling point TC0008 Coliform (TCR)
Absence , sample collected Nov 4, 2025 13:20, sampling point TC0008 E. Coli
Collected
Nov 4, 2025 13:00
Sampling point
TC0010 Outside Faucet
Sample type
Routine
Lab sample
BACT-250328-17388
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2025 – Nov 30, 2025
Absence , sample collected Nov 4, 2025 13:00, sampling point TC0010 Coliform (TCR)
Absence , sample collected Nov 4, 2025 13:00, sampling point TC0010 E. Coli
Collected
Nov 4, 2025 13:45
Sampling point
TC0025 No Description
Sample type
Routine
Lab sample
BACT-250328-17390
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2025 – Nov 30, 2025
Absence , sample collected Nov 4, 2025 13:45, sampling point TC0025 Coliform (TCR)
Absence , sample collected Nov 4, 2025 13:45, sampling point TC0025 E. Coli
Collected
Oct 15, 2025 12:55
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-250328-17387
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2025 – Oct 31, 2025
Absence , sample collected Oct 15, 2025 12:55, sampling point TC0003 Coliform (TCR)
Absence , sample collected Oct 15, 2025 12:55, sampling point TC0003 E. Coli
Collected
Oct 15, 2025 12:15
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-250328-17385
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2025 – Oct 31, 2025
Absence , sample collected Oct 15, 2025 12:15, sampling point TC0007 Coliform (TCR)
Absence , sample collected Oct 15, 2025 12:15, sampling point TC0007 E. Coli
Collected
Oct 15, 2025 11:50
Sampling point
TC0016 Outside Faucet
Sample type
Routine
Lab sample
BACT-250328-17384
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2025 – Oct 31, 2025
Absence , sample collected Oct 15, 2025 11:50, sampling point TC0016 Coliform (TCR)
Absence , sample collected Oct 15, 2025 11:50, sampling point TC0016 E. Coli
Collected
Oct 15, 2025 12:35
Sampling point
TC0023 No Description
Sample type
Routine
Lab sample
BACT-250328-17386
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2025 – Oct 31, 2025
Absence , sample collected Oct 15, 2025 12:35, sampling point TC0023 Coliform (TCR)
Absence , sample collected Oct 15, 2025 12:35, sampling point TC0023 E. Coli
Collected
Sep 10, 2025 14:00
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-250328-17383
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2025 – Sep 30, 2025
Absence , sample collected Sep 10, 2025 14:00, sampling point TC0004 Coliform (TCR)
Absence , sample collected Sep 10, 2025 14:00, sampling point TC0004 E. Coli