i12 Salinity Contours

Published by California Department of Water Resources | State of California | Metadata Last Checked: July 24, 2025 | Last Modified: 2025-05-29T16:10:41.000Z

Data represents maximum up-estuary intrusion of the 1 ppt salinity contour. The lines represent 1000 ppt chloride per million, measured 1½ hours after high tide. This data contains contours for 1921-1990.

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Complete Metadata

identifier	821f060b-23cc-4986-834d-b427256533bd
issued	2024-05-23T16:22:32.000Z
theme	[ "Natural Resources", "Water" ]