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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

MS0700011 , Town of Walnut

6 of 754 results on record were positive for coliform or another organism the agency tests for. The most recent was August 22, 2022.

They fall across 6 of the 574 samples on record.

Every sample on record, October 6, 2003 to July 22, 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 16–30 of 44 samples in this date range, newest first.

Routine (15).

Coliform and microbial sample results for Town of Walnut, 16 to 30 of 44 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Dec 10, 2025 13:20
Sampling point
TC0006 Outside Faucet
Sample type
Routine
Lab sample
BACT-250422-22034
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 10, 2025 13:20, sampling point TC0006 Coliform (TCR)
Absence , sample collected Dec 10, 2025 13:20, sampling point TC0006 E. Coli
Collected
Nov 12, 2025 13:40
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-250422-22031
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2025 – Nov 30, 2025
Absence , sample collected Nov 12, 2025 13:40, sampling point TC0004 Coliform (TCR)
Absence , sample collected Nov 12, 2025 13:40, sampling point TC0004 E. Coli
Collected
Nov 12, 2025 13:20
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-250422-22032
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2025 – Nov 30, 2025
Absence , sample collected Nov 12, 2025 13:20, sampling point TC0008 Coliform (TCR)
Absence , sample collected Nov 12, 2025 13:20, sampling point TC0008 E. Coli
Collected
Oct 8, 2025 14:20
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-250422-22029
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2025 – Oct 31, 2025
Absence , sample collected Oct 8, 2025 14:20, sampling point TC0003 Coliform (TCR)
Absence , sample collected Oct 8, 2025 14:20, sampling point TC0003 E. Coli
Collected
Oct 8, 2025 14:00
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
BACT-250422-22030
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2025 – Oct 31, 2025
Absence , sample collected Oct 8, 2025 14:00, sampling point TC0005 Coliform (TCR)
Absence , sample collected Oct 8, 2025 14:00, sampling point TC0005 E. Coli
Collected
Sep 10, 2025 14:20
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-250422-22027
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2025 – Sep 30, 2025
Absence , sample collected Sep 10, 2025 14:20, sampling point TC0002 Coliform (TCR)
Absence , sample collected Sep 10, 2025 14:20, sampling point TC0002 E. Coli
Collected
Sep 10, 2025 14:00
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-250422-22028
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2025 – Sep 30, 2025
Absence , sample collected Sep 10, 2025 14:00, sampling point TC0008 Coliform (TCR)
Absence , sample collected Sep 10, 2025 14:00, sampling point TC0008 E. Coli
Collected
Aug 25, 2025 14:00
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-250422-22025
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2025 – Aug 31, 2025
Absence , sample collected Aug 25, 2025 14:00, sampling point TC0003 Coliform (TCR)
Absence , sample collected Aug 25, 2025 14:00, sampling point TC0003 E. Coli
Collected
Aug 25, 2025 13:40
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-250422-22026
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2025 – Aug 31, 2025
Absence , sample collected Aug 25, 2025 13:40, sampling point TC0009 Coliform (TCR)
Absence , sample collected Aug 25, 2025 13:40, sampling point TC0009 E. Coli
Collected
Jul 22, 2025 15:10
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-250422-22024
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2025 – Jul 31, 2025
Absence , sample collected Jul 22, 2025 15:10, sampling point TC0003 Coliform (TCR)
Absence , sample collected Jul 22, 2025 15:10, sampling point TC0003 E. Coli
Collected
Jul 22, 2025 15:00
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-250422-22023
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2025 – Jul 31, 2025
Absence , sample collected Jul 22, 2025 15:00, sampling point TC0004 Coliform (TCR)
Absence , sample collected Jul 22, 2025 15:00, sampling point TC0004 E. Coli
Collected
Jun 4, 2025 13:00
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-250422-22021
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2025 – Jun 30, 2025
Absence , sample collected Jun 4, 2025 13:00, sampling point TC0002 Coliform (TCR)
Absence , sample collected Jun 4, 2025 13:00, sampling point TC0002 E. Coli
Collected
Jun 4, 2025 13:20
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-250422-22022
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2025 – Jun 30, 2025
Absence , sample collected Jun 4, 2025 13:20, sampling point TC0009 Coliform (TCR)
Absence , sample collected Jun 4, 2025 13:20, sampling point TC0009 E. Coli
Collected
May 20, 2025 13:00
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-250422-22017
Laboratory
MSDH Lab
Monitoring period
May 1, 2025 – May 31, 2025
Absence , sample collected May 20, 2025 13:00, sampling point TC0001 Coliform (TCR)
Absence , sample collected May 20, 2025 13:00, sampling point TC0001 E. Coli
Collected
May 20, 2025 13:15
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-250422-22018
Laboratory
MSDH Lab
Monitoring period
May 1, 2025 – May 31, 2025
Absence , sample collected May 20, 2025 13:15, sampling point TC0009 Coliform (TCR)
Absence , sample collected May 20, 2025 13:15, sampling point TC0009 E. Coli