I12 Delta Salinity Contours

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.
Organization: State of California
Organization URL: https://catalog.data.gov/organization/california
Last updated: 2026-01-06T16:42:22.000Z
Tags: 1921-1990, 2019, Base Maps, Boundary, Contours, DWR, DWR GIS Atlas, Delta, Delta Atlas, Earth Cover, Inland Waters, Sacramento, Salinity, San Joaquin, california department of water resources, current, environment, imagery, maximum salinity, salinity