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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

MS0300113 , Ocean Beach

1 of 740 results on record was positive for coliform or another organism the agency tests for. The most recent was December 8, 2005.

They fall across 1 of the 594 samples on record.

Every sample on record, October 2, 2003 to August 5, 2026. No date range is applied.

This system’s violations

The most recent samples

No date range is applied: this list draws on every sample on record. Show the last two years only.

The list below shows 1–15 of 594 samples on record, newest first.

Routine (15).

Coliform and microbial sample results for Ocean Beach, 1 to 15 of 594 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Aug 5, 2026 13:30
Sampling point
TC0010 Outside Faucet
Sample type
Routine
Lab sample
2608103-01
Laboratory
Micro Methods Laboratory
Monitoring period
Aug 1, 2026 – Aug 31, 2026
Absence , sample collected Aug 5, 2026 13:30, sampling point TC0010 Coliform (TCR)
Absence , sample collected Aug 5, 2026 13:30, sampling point TC0010 E. Coli
Collected
Aug 5, 2026 13:45
Sampling point
TC0011 Outside Faucet
Sample type
Routine
Lab sample
2608103-02
Laboratory
Micro Methods Laboratory
Monitoring period
Aug 1, 2026 – Aug 31, 2026
Absence , sample collected Aug 5, 2026 13:45, sampling point TC0011 Coliform (TCR)
Absence , sample collected Aug 5, 2026 13:45, sampling point TC0011 E. Coli
Collected
Jul 7, 2026 09:30
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
2607112-01
Laboratory
Micro Methods Laboratory
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 7, 2026 09:30, sampling point TC0003 Coliform (TCR)
Absence , sample collected Jul 7, 2026 09:30, sampling point TC0003 E. Coli
Collected
Jul 7, 2026 09:45
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
2607112-02
Laboratory
Micro Methods Laboratory
Monitoring period
Jul 1, 2026 – Jul 31, 2026
Absence , sample collected Jul 7, 2026 09:45, sampling point TC0008 Coliform (TCR)
Absence , sample collected Jul 7, 2026 09:45, sampling point TC0008 E. Coli
Collected
Jun 8, 2026 10:00
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
2606159-01
Laboratory
Micro Methods Laboratory
Monitoring period
Jun 1, 2026 – Jun 30, 2026
Absence , sample collected Jun 8, 2026 10:00, sampling point TC0007 Coliform (TCR)
Absence , sample collected Jun 8, 2026 10:00, sampling point TC0007 E. Coli
Collected
Jun 8, 2026 10:18
Sampling point
TC0011 Outside Faucet
Sample type
Routine
Lab sample
2606159-02
Laboratory
Micro Methods Laboratory
Monitoring period
Jun 1, 2026 – Jun 30, 2026
Absence , sample collected Jun 8, 2026 10:18, sampling point TC0011 Coliform (TCR)
Absence , sample collected Jun 8, 2026 10:18, sampling point TC0011 E. Coli
Collected
May 5, 2026 09:45
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
2605088-01
Laboratory
Micro Methods Laboratory
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 5, 2026 09:45, sampling point TC0007 Coliform (TCR)
Absence , sample collected May 5, 2026 09:45, sampling point TC0007 E. Coli
Collected
May 5, 2026 09:30
Sampling point
TC0010 Outside Faucet
Sample type
Routine
Lab sample
2605088-02
Laboratory
Micro Methods Laboratory
Monitoring period
May 1, 2026 – May 31, 2026
Absence , sample collected May 5, 2026 09:30, sampling point TC0010 Coliform (TCR)
Absence , sample collected May 5, 2026 09:30, sampling point TC0010 E. Coli
Collected
Apr 8, 2026
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
2604178-02
Laboratory
Micro Methods Laboratory
Monitoring period
Apr 1, 2026 – Apr 30, 2026
Absence , sample collected Apr 8, 2026, sampling point TC0003 Coliform (TCR)
Absence , sample collected Apr 8, 2026, sampling point TC0003 E. Coli
Collected
Apr 8, 2026
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
2604178-01
Laboratory
Micro Methods Laboratory
Monitoring period
Apr 1, 2026 – Apr 30, 2026
Absence , sample collected Apr 8, 2026, sampling point TC0007 Coliform (TCR)
Absence , sample collected Apr 8, 2026, sampling point TC0007 E. Coli
Collected
Mar 3, 2026
Sampling point
TC0010 Outside Faucet
Sample type
Routine
Lab sample
2603088-01
Laboratory
Micro Methods Laboratory
Monitoring period
Mar 1, 2026 – Mar 31, 2026
Absence , sample collected Mar 3, 2026, sampling point TC0010 Coliform (TCR)
Collected
Mar 3, 2026
Sampling point
TC0011 Outside Faucet
Sample type
Routine
Lab sample
2603088-02
Laboratory
Micro Methods Laboratory
Monitoring period
Mar 1, 2026 – Mar 31, 2026
Absence , sample collected Mar 3, 2026, sampling point TC0011 Coliform (TCR)
Collected
Feb 10, 2026 10:20
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
BACT-250523-29578
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 10, 2026 10:20, sampling point TC0007 Coliform (TCR)
Absence , sample collected Feb 10, 2026 10:20, sampling point TC0007 E. Coli
Collected
Feb 10, 2026 10:45
Sampling point
TC0008 Outside Faucet
Sample type
Routine
Lab sample
BACT-250523-29579
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2026 – Feb 28, 2026
Absence , sample collected Feb 10, 2026 10:45, sampling point TC0008 Coliform (TCR)
Absence , sample collected Feb 10, 2026 10:45, sampling point TC0008 E. Coli
Collected
Jan 5, 2026 09:20
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-250523-29577
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2026 – Jan 31, 2026
Absence , sample collected Jan 5, 2026 09:20, sampling point TC0003 Coliform (TCR)
Absence , sample collected Jan 5, 2026 09:20, sampling point TC0003 E. Coli