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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

MS0160010 , Willow Grove Water Assn

9 of 770 results on record were positive for coliform or another organism the agency tests for. The most recent was May 6, 2024.

They fall across 9 of the 593 samples on record.

Every sample on record, October 6, 2003 to July 15, 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 16–30 of 45 samples in this date range, newest first.

Routine (15).

Coliform and microbial sample results for Willow Grove Water Assn, 16 to 30 of 45 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Dec 3, 2025 11:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
BACT-240509-22090
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 3, 2025 11:40, sampling point DS000 Coliform (TCR)
Absence , sample collected Dec 3, 2025 11:40, sampling point DS000 E. Coli
Collected
Dec 3, 2025 11:25
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
BACT-240509-22091
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 3, 2025 11:25, sampling point DS000 Coliform (TCR)
Absence , sample collected Dec 3, 2025 11:25, sampling point DS000 E. Coli
Collected
Nov 12, 2025 09:15
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-240509-22089
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2025 – Nov 30, 2025
Absence , sample collected Nov 12, 2025 09:15, sampling point TC0001 Coliform (TCR)
Absence , sample collected Nov 12, 2025 09:15, sampling point TC0001 E. Coli
Collected
Nov 12, 2025 08:50
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
BACT-240509-22088
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2025 – Nov 30, 2025
Absence , sample collected Nov 12, 2025 08:50, sampling point TC0005 Coliform (TCR)
Absence , sample collected Nov 12, 2025 08:50, sampling point TC0005 E. Coli
Collected
Oct 8, 2025 07:45
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-240509-22086
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2025 – Oct 31, 2025
Absence , sample collected Oct 8, 2025 07:45, sampling point TC0003 Coliform (TCR)
Absence , sample collected Oct 8, 2025 07:45, sampling point TC0003 E. Coli
Collected
Oct 8, 2025 07:35
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
BACT-240509-22087
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2025 – Oct 31, 2025
Absence , sample collected Oct 8, 2025 07:35, sampling point TC0005 Coliform (TCR)
Absence , sample collected Oct 8, 2025 07:35, sampling point TC0005 E. Coli
Collected
Sep 15, 2025 11:21
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-240509-22085
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2025 – Sep 30, 2025
Absence , sample collected Sep 15, 2025 11:21, sampling point TC0001 Coliform (TCR)
Absence , sample collected Sep 15, 2025 11:21, sampling point TC0001 E. Coli
Collected
Sep 15, 2025 11:50
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
BACT-240509-22084
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2025 – Sep 30, 2025
Absence , sample collected Sep 15, 2025 11:50, sampling point TC0005 Coliform (TCR)
Absence , sample collected Sep 15, 2025 11:50, sampling point TC0005 E. Coli
Collected
Aug 18, 2025 09:48
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-240509-22081
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2025 – Aug 31, 2025
Absence , sample collected Aug 18, 2025 09:48, sampling point TC0003 Coliform (TCR)
Absence , sample collected Aug 18, 2025 09:48, sampling point TC0003 E. Coli
Collected
Aug 18, 2025 09:30
Sampling point
TC0010 Outside Faucet
Sample type
Routine
Lab sample
BACT-240509-22080
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2025 – Aug 31, 2025
Absence , sample collected Aug 18, 2025 09:30, sampling point TC0010 Coliform (TCR)
Absence , sample collected Aug 18, 2025 09:30, sampling point TC0010 E. Coli
Collected
Jul 9, 2025 08:15
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-240509-22078
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2025 – Jul 31, 2025
Absence , sample collected Jul 9, 2025 08:15, sampling point TC0002 Coliform (TCR)
Absence , sample collected Jul 9, 2025 08:15, sampling point TC0002 E. Coli
Collected
Jul 9, 2025 07:58
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
BACT-240509-22079
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2025 – Jul 31, 2025
Absence , sample collected Jul 9, 2025 07:58, sampling point TC0005 Coliform (TCR)
Absence , sample collected Jul 9, 2025 07:58, sampling point TC0005 E. Coli
Collected
Jun 2, 2025 09:30
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-240509-22076
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2025 – Jun 30, 2025
Absence , sample collected Jun 2, 2025 09:30, sampling point TC0003 Coliform (TCR)
Absence , sample collected Jun 2, 2025 09:30, sampling point TC0003 E. Coli
Collected
Jun 2, 2025 09:47
Sampling point
TC0006 Outside Faucet
Sample type
Routine
Lab sample
BACT-240509-22077
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2025 – Jun 30, 2025
Absence , sample collected Jun 2, 2025 09:47, sampling point TC0006 Coliform (TCR)
Absence , sample collected Jun 2, 2025 09:47, sampling point TC0006 E. Coli
Collected
May 5, 2025 10:31
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-240509-22074
Laboratory
MSDH Lab
Monitoring period
May 1, 2025 – May 31, 2025
Absence , sample collected May 5, 2025 10:31, sampling point TC0002 Coliform (TCR)
Absence , sample collected May 5, 2025 10:31, sampling point TC0002 E. Coli