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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 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 76–90 of 230 samples in this date range, newest first.

Routine (15).

Coliform and microbial sample results for City of Bay St Louis, 76 to 90 of 230 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Jan 6, 2026 13:34
Sampling point
TC0006 Outside Faucet
Sample type
Routine
Lab sample
BACT-240807-30118
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 6, 2026 13:34, sampling point TC0006 Coliform (TCR)
Absence , sample collected Jan 6, 2026 13:34, sampling point TC0006 E. Coli
Collected
Jan 6, 2026 13:47
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-240807-30117
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 6, 2026 13:47, sampling point TC0008 Coliform (TCR)
Absence , sample collected Jan 6, 2026 13:47, sampling point TC0008 E. Coli
Collected
Jan 6, 2026 13:57
Sampling point
TC0010 Outside Faucet
Sample type
Routine
Lab sample
BACT-240807-30116
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 6, 2026 13:57, sampling point TC0010 Coliform (TCR)
Absence , sample collected Jan 6, 2026 13:57, sampling point TC0010 E. Coli
Collected
Jan 6, 2026 13:23
Sampling point
TC0015 Outside Faucet
Sample type
Routine
Lab sample
BACT-240807-30119
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 6, 2026 13:23, sampling point TC0015 Coliform (TCR)
Absence , sample collected Jan 6, 2026 13:23, sampling point TC0015 E. Coli
Collected
Jan 6, 2026 14:06
Sampling point
TC0017 Outside Faucet
Sample type
Routine
Lab sample
BACT-240807-30115
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 6, 2026 14:06, sampling point TC0017 Coliform (TCR)
Absence , sample collected Jan 6, 2026 14:06, sampling point TC0017 E. Coli
Collected
Dec 9, 2025 13:13
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-240807-30120
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 9, 2025 13:13, sampling point TC0001 Coliform (TCR)
Absence , sample collected Dec 9, 2025 13:13, sampling point TC0001 E. Coli
Collected
Dec 9, 2025 12:58
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-240807-30121
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 9, 2025 12:58, sampling point TC0002 Coliform (TCR)
Absence , sample collected Dec 9, 2025 12:58, sampling point TC0002 E. Coli
Collected
Dec 9, 2025 12:15
Sampling point
TC0012 Outside Faucet
Sample type
Routine
Lab sample
BACT-240807-30193
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 9, 2025 12:15, sampling point TC0012 Coliform (TCR)
Absence , sample collected Dec 9, 2025 12:15, sampling point TC0012 E. Coli
Collected
Dec 9, 2025 12:26
Sampling point
TC0013 Outside Faucet
Sample type
Routine
Lab sample
BACT-240807-30123
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 9, 2025 12:26, sampling point TC0013 Coliform (TCR)
Absence , sample collected Dec 9, 2025 12:26, sampling point TC0013 E. Coli
Collected
Dec 9, 2025 12:40
Sampling point
TC0014 Outside Faucet
Sample type
Routine
Lab sample
BACT-240807-30122
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 9, 2025 12:40, sampling point TC0014 Coliform (TCR)
Absence , sample collected Dec 9, 2025 12:40, sampling point TC0014 E. Coli
Collected
Dec 2, 2025 13:30
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-240807-30192
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 2, 2025 13:30, sampling point TC0003 Coliform (TCR)
Absence , sample collected Dec 2, 2025 13:30, sampling point TC0003 E. Coli
Collected
Dec 2, 2025 12:58
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-240807-30189
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 2, 2025 12:58, sampling point TC0008 Coliform (TCR)
Absence , sample collected Dec 2, 2025 12:58, sampling point TC0008 E. Coli
Collected
Dec 2, 2025 13:08
Sampling point
TC0010 Outside Faucet
Sample type
Routine
Lab sample
BACT-240807-30190
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 2, 2025 13:08, sampling point TC0010 Coliform (TCR)
Absence , sample collected Dec 2, 2025 13:08, sampling point TC0010 E. Coli
Collected
Dec 2, 2025 12:38
Sampling point
TC0015 Outside Faucet
Sample type
Routine
Lab sample
BACT-240807-30188
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 2, 2025 12:38, sampling point TC0015 Coliform (TCR)
Absence , sample collected Dec 2, 2025 12:38, sampling point TC0015 E. Coli
Collected
Dec 2, 2025 13:19
Sampling point
TC0017 Outside Faucet
Sample type
Routine
Lab sample
BACT-240807-30191
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 2, 2025 13:19, sampling point TC0017 Coliform (TCR)
Absence , sample collected Dec 2, 2025 13:19, sampling point TC0017 E. Coli