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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

MS0090001 , Atlanta Water System, Inc.

No positive results are on record for Atlanta Water System, Inc. — none among 623 results across 471 samples.

The agency records 3 validated violations for this system on what this page reports: this system’s violations.

Every sample on record, October 8, 2003 to August 5, 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 16–27 of 27 samples in this date range, newest first.

Routine (12).

Coliform and microbial sample results for Atlanta Water System, Inc., 16 to 27 of 27 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
May 6, 2025 14:16
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-240809-31906
Laboratory
MSDH Lab
Monitoring period
May 1, 2025 – May 31, 2025
Absence , sample collected May 6, 2025 14:16, sampling point TC0003 Coliform (TCR)
Absence , sample collected May 6, 2025 14:16, sampling point TC0003 E. Coli
Collected
Apr 7, 2025 12:26
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-240809-31905
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2025 – Apr 30, 2025
Absence , sample collected Apr 7, 2025 12:26, sampling point TC0007 Coliform (TCR)
Absence , sample collected Apr 7, 2025 12:26, sampling point TC0007 E. Coli
Collected
Mar 10, 2025 12:00
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-240809-31904
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2025 – Mar 31, 2025
Absence , sample collected Mar 10, 2025 12:00, sampling point TC0003 Coliform (TCR)
Absence , sample collected Mar 10, 2025 12:00, sampling point TC0003 E. Coli
Collected
Feb 18, 2025 12:17
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-240809-31878
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2025 – Feb 28, 2025
Absence , sample collected Feb 18, 2025 12:17, sampling point TC0008 Coliform (TCR)
Absence , sample collected Feb 18, 2025 12:17, sampling point TC0008 E. Coli
Collected
Jan 13, 2025 12:10
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-240809-31877
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2025 – Jan 31, 2025
Absence , sample collected Jan 13, 2025 12:10, sampling point TC0001 Coliform (TCR)
Absence , sample collected Jan 13, 2025 12:10, sampling point TC0001 E. Coli
Collected
Jan 13, 2025 11:40
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-240809-31876
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2025 – Jan 31, 2025
Absence , sample collected Jan 13, 2025 11:40, sampling point TC0007 Coliform (TCR)
Absence , sample collected Jan 13, 2025 11:40, sampling point TC0007 E. Coli
Collected
Dec 2, 2024 12:35
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-240809-31875
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2024 – Dec 31, 2024
Absence , sample collected Dec 2, 2024 12:35, sampling point TC0001 Coliform (TCR)
Absence , sample collected Dec 2, 2024 12:35, sampling point TC0001 E. Coli
Collected
Dec 2, 2024 11:50
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-240809-31874
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2024 – Dec 31, 2024
Absence , sample collected Dec 2, 2024 11:50, sampling point TC0007 Coliform (TCR)
Absence , sample collected Dec 2, 2024 11:50, sampling point TC0007 E. Coli
Collected
Nov 13, 2024 13:25
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-221211-41530
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2024 – Nov 30, 2024
Absence , sample collected Nov 13, 2024 13:25, sampling point TC0001 Coliform (TCR)
Absence , sample collected Nov 13, 2024 13:25, sampling point TC0001 E. Coli
Collected
Nov 13, 2024 13:00
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-221211-41529
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2024 – Nov 30, 2024
Absence , sample collected Nov 13, 2024 13:00, sampling point TC0004 Coliform (TCR)
Absence , sample collected Nov 13, 2024 13:00, sampling point TC0004 E. Coli
Collected
Oct 2, 2024 13:10
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-221211-41528
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2024 – Oct 31, 2024
Absence , sample collected Oct 2, 2024 13:10, sampling point TC0001 Coliform (TCR)
Absence , sample collected Oct 2, 2024 13:10, sampling point TC0001 E. Coli
Collected
Oct 2, 2024 12:45
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-221211-41527
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2024 – Oct 31, 2024
Absence , sample collected Oct 2, 2024 12:45, sampling point TC0004 Coliform (TCR)
Absence , sample collected Oct 2, 2024 12:45, sampling point TC0004 E. Coli