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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

MS0180014 , Brooklyn Water Association

4 of 746 results on record were positive for coliform or another organism the agency tests for. The most recent was September 12, 2022.

They fall across 4 of the 568 samples on record.

Every sample on record, October 29, 2003 to August 3, 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 46 samples in this date range, newest first.

Routine (15).

Coliform and microbial sample results for Brooklyn Water Association, 16 to 30 of 46 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Jan 14, 2026 13:10
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-240809-32009
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 14, 2026 13:10, sampling point TC0002 Coliform (TCR)
Absence , sample collected Jan 14, 2026 13:10, sampling point TC0002 E. Coli
Collected
Dec 10, 2025 11:20
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-240809-32007
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 10, 2025 11:20, sampling point TC0004 Coliform (TCR)
Absence , sample collected Dec 10, 2025 11:20, sampling point TC0004 E. Coli
Collected
Dec 10, 2025 12:05
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
BACT-240809-32008
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 10, 2025 12:05, sampling point TC0005 Coliform (TCR)
Absence , sample collected Dec 10, 2025 12:05, sampling point TC0005 E. Coli
Collected
Nov 20, 2025
Sampling point
TC0010 Outside Faucet
Sample type
Routine
Lab sample
2511372-01
Laboratory
Bonner Analytical Testing Co
Monitoring period
Nov 1, 2025 – Nov 30, 2025
Absence , sample collected Nov 20, 2025, sampling point TC0010 Coliform (TCR)
Collected
Nov 20, 2025
Sampling point
TC0013 Generated by Batch
Sample type
Routine
Lab sample
2511372-02
Laboratory
Bonner Analytical Testing Co
Monitoring period
Nov 1, 2025 – Nov 30, 2025
Absence , sample collected Nov 20, 2025, sampling point TC0013 Coliform (TCR)
Collected
Oct 8, 2025 14:15
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-240809-32031
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2025 – Oct 31, 2025
Absence , sample collected Oct 8, 2025 14:15, sampling point TC0001 Coliform (TCR)
Absence , sample collected Oct 8, 2025 14:15, sampling point TC0001 E. Coli
Collected
Oct 8, 2025 14:35
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-240809-32032
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2025 – Oct 31, 2025
Absence , sample collected Oct 8, 2025 14:35, sampling point TC0002 Coliform (TCR)
Absence , sample collected Oct 8, 2025 14:35, sampling point TC0002 E. Coli
Collected
Sep 9, 2025 12:05
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-240809-32029
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2025 – Sep 30, 2025
Absence , sample collected Sep 9, 2025 12:05, sampling point TC0001 Coliform (TCR)
Absence , sample collected Sep 9, 2025 12:05, sampling point TC0001 E. Coli
Collected
Sep 9, 2025 12:00
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-240809-32030
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2025 – Sep 30, 2025
Absence , sample collected Sep 9, 2025 12:00, sampling point TC0002 Coliform (TCR)
Absence , sample collected Sep 9, 2025 12:00, sampling point TC0002 E. Coli
Collected
Aug 11, 2025 12:30
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-240809-32028
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2025 – Aug 31, 2025
Absence , sample collected Aug 11, 2025 12:30, sampling point TC0004 Coliform (TCR)
Absence , sample collected Aug 11, 2025 12:30, sampling point TC0004 E. Coli
Collected
Aug 11, 2025 13:01
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
BACT-240809-32027
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2025 – Aug 31, 2025
Absence , sample collected Aug 11, 2025 13:01, sampling point TC0005 Coliform (TCR)
Absence , sample collected Aug 11, 2025 13:01, sampling point TC0005 E. Coli
Collected
Jul 23, 2025 13:00
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
BACT-240809-32025
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2025 – Jul 31, 2025
Absence , sample collected Jul 23, 2025 13:00, sampling point TC0005 Coliform (TCR)
Absence , sample collected Jul 23, 2025 13:00, sampling point TC0005 E. Coli
Collected
Jul 23, 2025 13:30
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-240809-32026
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2025 – Jul 31, 2025
Absence , sample collected Jul 23, 2025 13:30, sampling point TC0008 Coliform (TCR)
Absence , sample collected Jul 23, 2025 13:30, sampling point TC0008 E. Coli
Collected
Jun 2, 2025 12:20
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-240809-31995
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2025 – Jun 30, 2025
Absence , sample collected Jun 2, 2025 12:20, sampling point TC0001 Coliform (TCR)
Absence , sample collected Jun 2, 2025 12:20, sampling point TC0001 E. Coli
Collected
Jun 2, 2025 12:45
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
BACT-240809-31996
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2025 – Jun 30, 2025
Absence , sample collected Jun 2, 2025 12:45, sampling point TC0005 Coliform (TCR)
Absence , sample collected Jun 2, 2025 12:45, sampling point TC0005 E. Coli