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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 1–15 of 27 samples in this date range, newest first.

Routine (15).

Coliform and microbial sample results for Atlanta Water System, Inc., 1 to 15 of 27 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Aug 5, 2026 11:01
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
BACT-240809-31901
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2026 – Aug 31, 2026
Absence , sample collected Aug 5, 2026 11:01, sampling point TC0005 Coliform (TCR)
Absence , sample collected Aug 5, 2026 11:01, sampling point TC0005 E. Coli
Collected
Jul 7, 2026 10:37
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-240809-31900
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 7, 2026 10:37, sampling point TC0002 Coliform (TCR)
Absence , sample collected Jul 7, 2026 10:37, sampling point TC0002 E. Coli
Collected
Jun 8, 2026 10:30
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-240809-31880
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2026 – Jun 30, 2026
Absence , sample collected Jun 8, 2026 10:30, sampling point TC0009 Coliform (TCR)
Absence , sample collected Jun 8, 2026 10:30, sampling point TC0009 E. Coli
Collected
May 4, 2026 11:08
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-240809-31899
Laboratory
MSDH Lab
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 4, 2026 11:08, sampling point TC0002 Coliform (TCR)
Absence , sample collected May 4, 2026 11:08, sampling point TC0002 E. Coli
Collected
Apr 13, 2026 12:05
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-240809-31879
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2026 – Apr 30, 2026
Absence , sample collected Apr 13, 2026 12:05, sampling point TC0007 Coliform (TCR)
Absence , sample collected Apr 13, 2026 12:05, sampling point TC0007 E. Coli
Collected
Mar 2, 2026 11:15
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-240809-31898
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2026 – Mar 31, 2026
Absence , sample collected Mar 2, 2026 11:15, sampling point TC0007 Coliform (TCR)
Absence , sample collected Mar 2, 2026 11:15, sampling point TC0007 E. Coli
Collected
Feb 2, 2026 12:58
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-240809-31897
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 2, 2026 12:58, sampling point TC0009 Coliform (TCR)
Absence , sample collected Feb 2, 2026 12:58, sampling point TC0009 E. Coli
Collected
Jan 6, 2026 14:11
Sampling point
TC0009 Outside Faucet
Sample type
Routine
Lab sample
BACT-240809-31896
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 6, 2026 14:11, sampling point TC0009 Coliform (TCR)
Absence , sample collected Jan 6, 2026 14:11, sampling point TC0009 E. Coli
Collected
Dec 8, 2025 13:11
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-240809-31895
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2025 – Dec 31, 2025
Absence , sample collected Dec 8, 2025 13:11, sampling point TC0007 Coliform (TCR)
Absence , sample collected Dec 8, 2025 13:11, sampling point TC0007 E. Coli
Collected
Nov 12, 2025 13:18
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-240809-31894
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2025 – Nov 30, 2025
Absence , sample collected Nov 12, 2025 13:18, sampling point TC0003 Coliform (TCR)
Absence , sample collected Nov 12, 2025 13:18, sampling point TC0003 E. Coli
Collected
Oct 20, 2025 13:02
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-240809-31913
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2025 – Oct 31, 2025
Absence , sample collected Oct 20, 2025 13:02, sampling point TC0007 Coliform (TCR)
Absence , sample collected Oct 20, 2025 13:02, sampling point TC0007 E. Coli
Collected
Sep 9, 2025 12:50
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-240809-31912
Laboratory
MSDH Lab
Monitoring period
Sep 1, 2025 – Sep 30, 2025
Absence , sample collected Sep 9, 2025 12:50, sampling point TC0008 Coliform (TCR)
Absence , sample collected Sep 9, 2025 12:50, sampling point TC0008 E. Coli
Collected
Aug 11, 2025 12:48
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-240809-31911
Laboratory
MSDH Lab
Monitoring period
Aug 1, 2025 – Aug 31, 2025
Absence , sample collected Aug 11, 2025 12:48, sampling point TC0007 Coliform (TCR)
Absence , sample collected Aug 11, 2025 12:48, sampling point TC0007 E. Coli
Collected
Jul 14, 2025 13:15
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-240809-31910
Laboratory
MSDH Lab
Monitoring period
Jul 1, 2025 – Jul 31, 2025
Absence , sample collected Jul 14, 2025 13:15, sampling point TC0007 Coliform (TCR)
Absence , sample collected Jul 14, 2025 13:15, sampling point TC0007 E. Coli
Collected
Jun 3, 2025 13:36
Sampling point
TC0004 Outside Faucet
Sample type
Routine
Lab sample
BACT-240809-31909
Laboratory
MSDH Lab
Monitoring period
Jun 1, 2025 – Jun 30, 2025
Absence , sample collected Jun 3, 2025 13:36, sampling point TC0004 Coliform (TCR)
Absence , sample collected Jun 3, 2025 13:36, sampling point TC0004 E. Coli