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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. 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 46–47 of 47 samples in this date range, newest first.

Routine (2).

Coliform and microbial sample results for Ocean Beach, 46 to 47 of 47 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Oct 7, 2024
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
2410134-02
Laboratory
Micro Methods Laboratory
Monitoring period
Oct 1, 2024 – Oct 31, 2024
Absence , sample collected Oct 7, 2024, sampling point TC0003 Coliform (TCR)
Collected
Oct 7, 2024
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
2410134-01
Laboratory
Micro Methods Laboratory
Monitoring period
Oct 1, 2024 – Oct 31, 2024
Absence , sample collected Oct 7, 2024, sampling point TC0007 Coliform (TCR)