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Data Query for the Water Quality of San Francisco Bay Project

April 20, 2021

Since 1969, USGS has collected water-quality data along the deep-channel longitudinal axis of the San Francisco Bay-Delta system at 37 fixed locations spaced 3-6 kilometers apart. The Water Quality of San Francisco Bay Data Query provides access to the entire dataset.

Screenshot of the Water Quality of San Francisco Bay Database.
The San Francisco Bay water quality database contains measurements collected from 1969 to present as part of the San Francisco Bay research program.