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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

MS0230001 , City of Bay St Louis

5 of 3,693 results on record were positive for coliform or another organism the agency tests for. The most recent was May 21, 2024.

They fall across 5 of the 2,802 samples on record.

Every sample on record, October 15, 2003 to August 11, 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 230 samples in this date range, newest first.

Routine (15).

Coliform and microbial sample results for City of Bay St Louis, 1 to 15 of 230 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Aug 11, 2026 12:34
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-251208-69713
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2026 – Aug 31, 2026
Absence , sample collected Aug 11, 2026 12:34, sampling point TC0001 Coliform (TCR)
Absence , sample collected Aug 11, 2026 12:34, sampling point TC0001 E. Coli
Collected
Aug 11, 2026 12:20
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-251208-69712
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2026 – Aug 31, 2026
Absence , sample collected Aug 11, 2026 12:20, sampling point TC0002 Coliform (TCR)
Absence , sample collected Aug 11, 2026 12:20, sampling point TC0002 E. Coli
Collected
Aug 11, 2026 12:44
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-251208-69714
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2026 – Aug 31, 2026
Absence , sample collected Aug 11, 2026 12:44, sampling point TC0003 Coliform (TCR)
Absence , sample collected Aug 11, 2026 12:44, sampling point TC0003 E. Coli
Collected
Aug 11, 2026 11:30
Sampling point
TC0006 Outside Faucet
Sample type
Routine
Lab sample
BACT-251208-69709
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2026 – Aug 31, 2026
Absence , sample collected Aug 11, 2026 11:30, sampling point TC0006 Coliform (TCR)
Absence , sample collected Aug 11, 2026 11:30, sampling point TC0006 E. Coli
Collected
Aug 11, 2026 11:45
Sampling point
TC0012 Outside Faucet
Sample type
Routine
Lab sample
BACT-251208-69710
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2026 – Aug 31, 2026
Absence , sample collected Aug 11, 2026 11:45, sampling point TC0012 Coliform (TCR)
Absence , sample collected Aug 11, 2026 11:45, sampling point TC0012 E. Coli
Collected
Aug 11, 2026 12:02
Sampling point
TC0013 Outside Faucet
Sample type
Routine
Lab sample
BACT-251208-69711
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2026 – Aug 31, 2026
Absence , sample collected Aug 11, 2026 12:02, sampling point TC0013 Coliform (TCR)
Absence , sample collected Aug 11, 2026 12:02, sampling point TC0013 E. Coli
Collected
Aug 4, 2026 13:05
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-251208-69616
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2026 – Aug 31, 2026
Absence , sample collected Aug 4, 2026 13:05, sampling point TC0008 Coliform (TCR)
Absence , sample collected Aug 4, 2026 13:05, sampling point TC0008 E. Coli
Collected
Aug 4, 2026 13:17
Sampling point
TC0010 Outside Faucet
Sample type
Routine
Lab sample
BACT-251208-69617
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2026 – Aug 31, 2026
Absence , sample collected Aug 4, 2026 13:17, sampling point TC0010 Coliform (TCR)
Absence , sample collected Aug 4, 2026 13:17, sampling point TC0010 E. Coli
Collected
Aug 4, 2026 12:51
Sampling point
TC0015 Outside Faucet
Sample type
Routine
Lab sample
BACT-251208-69615
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2026 – Aug 31, 2026
Absence , sample collected Aug 4, 2026 12:51, sampling point TC0015 Coliform (TCR)
Absence , sample collected Aug 4, 2026 12:51, sampling point TC0015 E. Coli
Collected
Aug 4, 2026 13:27
Sampling point
TC0017 Outside Faucet
Sample type
Routine
Lab sample
BACT-251208-69708
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2026 – Aug 31, 2026
Absence , sample collected Aug 4, 2026 13:27, sampling point TC0017 Coliform (TCR)
Absence , sample collected Aug 4, 2026 13:27, sampling point TC0017 E. Coli
Collected
Jul 21, 2026 11:10
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-251208-69614
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 21, 2026 11:10, sampling point TC0002 Coliform (TCR)
Absence , sample collected Jul 21, 2026 11:10, sampling point TC0002 E. Coli
Collected
Jul 21, 2026 10:35
Sampling point
TC0012 Outside Faucet
Sample type
Routine
Lab sample
BACT-251208-69612
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 21, 2026 10:35, sampling point TC0012 Coliform (TCR)
Absence , sample collected Jul 21, 2026 10:35, sampling point TC0012 E. Coli
Collected
Jul 21, 2026 10:50
Sampling point
TC0013 Outside Faucet
Sample type
Routine
Lab sample
BACT-251208-69613
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 21, 2026 10:50, sampling point TC0013 Coliform (TCR)
Absence , sample collected Jul 21, 2026 10:50, sampling point TC0013 E. Coli
Collected
Jul 21, 2026 10:15
Sampling point
TC0014 Outside Faucet
Sample type
Routine
Lab sample
BACT-251208-69611
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 21, 2026 10:15, sampling point TC0014 Coliform (TCR)
Absence , sample collected Jul 21, 2026 10:15, sampling point TC0014 E. Coli
Collected
Jul 14, 2026 15:05
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-251208-69609
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 14, 2026 15:05, sampling point TC0001 Coliform (TCR)
Absence , sample collected Jul 14, 2026 15:05, sampling point TC0001 E. Coli