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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

MS0100008 , Simpson Water Association #1

6 of 753 results on record were positive for coliform or another organism the agency tests for. The most recent was April 28, 2022.

They fall across 6 of the 566 samples on record.

Every sample on record, October 16, 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 47 samples in this date range, newest first.

Routine (15).

Coliform and microbial sample results for Simpson Water Association #1, 1 to 15 of 47 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Aug 10, 2026 10:00
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-260709-19359
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2026 – Aug 31, 2026
Absence , sample collected Aug 10, 2026 10:00, sampling point TC0002 Coliform (TCR)
Absence , sample collected Aug 10, 2026 10:00, sampling point TC0002 E. Coli
Collected
Aug 10, 2026 10:15
Sampling point
TC0018 Outside Faucet
Sample type
Routine
Lab sample
BACT-260709-19358
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2026 – Aug 31, 2026
Absence , sample collected Aug 10, 2026 10:15, sampling point TC0018 Coliform (TCR)
Absence , sample collected Aug 10, 2026 10:15, sampling point TC0018 E. Coli
Collected
Jul 8, 2026 10:45
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-260709-19357
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 8, 2026 10:45, sampling point TC0002 Coliform (TCR)
Absence , sample collected Jul 8, 2026 10:45, sampling point TC0002 E. Coli
Collected
Jul 8, 2026 11:00
Sampling point
TC0018 Outside Faucet
Sample type
Routine
Lab sample
BACT-260709-19356
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 8, 2026 11:00, sampling point TC0018 Coliform (TCR)
Absence , sample collected Jul 8, 2026 11:00, sampling point TC0018 E. Coli
Collected
Jun 2, 2026 11:30
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-250311-13355
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2026 – Jun 30, 2026
Absence , sample collected Jun 2, 2026 11:30, sampling point TC0002 Coliform (TCR)
Absence , sample collected Jun 2, 2026 11:30, sampling point TC0002 E. Coli
Collected
Jun 2, 2026 11:00
Sampling point
TC0015 Outside Faucet
Sample type
Routine
Lab sample
BACT-250311-13354
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2026 – Jun 30, 2026
Absence , sample collected Jun 2, 2026 11:00, sampling point TC0015 Coliform (TCR)
Absence , sample collected Jun 2, 2026 11:00, sampling point TC0015 E. Coli
Collected
May 4, 2026 14:00
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-250311-13353
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 4, 2026 14:00, sampling point TC0001 Coliform (TCR)
Absence , sample collected May 4, 2026 14:00, sampling point TC0001 E. Coli
Collected
May 4, 2026 14:15
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-250311-13352
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 4, 2026 14:15, sampling point TC0007 Coliform (TCR)
Absence , sample collected May 4, 2026 14:15, sampling point TC0007 E. Coli
Collected
Apr 7, 2026 08:30
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-250311-13350
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2026 – Apr 30, 2026
Absence , sample collected Apr 7, 2026 08:30, sampling point TC0001 Coliform (TCR)
Absence , sample collected Apr 7, 2026 08:30, sampling point TC0001 E. Coli
Collected
Apr 7, 2026 08:15
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-250311-13351
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2026 – Apr 30, 2026
Absence , sample collected Apr 7, 2026 08:15, sampling point TC0007 Coliform (TCR)
Absence , sample collected Apr 7, 2026 08:15, sampling point TC0007 E. Coli
Collected
Mar 9, 2026 10:30
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-250311-13348
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2026 – Mar 31, 2026
Absence , sample collected Mar 9, 2026 10:30, sampling point TC0001 Coliform (TCR)
Absence , sample collected Mar 9, 2026 10:30, sampling point TC0001 E. Coli
Collected
Mar 9, 2026 10:15
Sampling point
TC0017 Outside Faucet
Sample type
Routine
Lab sample
BACT-250311-13349
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2026 – Mar 31, 2026
Absence , sample collected Mar 9, 2026 10:15, sampling point TC0017 Coliform (TCR)
Absence , sample collected Mar 9, 2026 10:15, sampling point TC0017 E. Coli
Collected
Feb 11, 2026 15:15
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-250311-13366
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 11, 2026 15:15, sampling point TC0002 Coliform (TCR)
Absence , sample collected Feb 11, 2026 15:15, sampling point TC0002 E. Coli
Collected
Feb 11, 2026 15:00
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-250311-13347
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 11, 2026 15:00, sampling point TC0007 Coliform (TCR)
Absence , sample collected Feb 11, 2026 15:00, sampling point TC0007 E. Coli
Collected
Jan 5, 2026 09:45
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-250311-13364
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 5, 2026 09:45, sampling point TC0001 Coliform (TCR)
Absence , sample collected Jan 5, 2026 09:45, sampling point TC0001 E. Coli