CA Groundwater Map GSA · B118 Basins · SGMA Priority

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Special View

Blueprint Mode

Filter to San Joaquin Valley subbasins (5-022.*) covered by the Blueprint Unified Water Plan.

Layers

GSAs (DWR i03) B118 Basins Counties Irrigation Districts Reservoirs Dams CVP Canals SWP Aqueducts

Priority (basin)

High

Medium

Low

Very Low

Critical Overdraft

GSA color comes from its basin's SGMA priority. Critical-overdraft basins get a darker outline.

Filter

High & Critical only Critical overdraft only

Click a GSA or basin polygon for details. Hover for the name.

Color reflects SGMA basin priority. Toggle context layers in the left panel. Blueprint Mode dims everything outside the San Joaquin Valley.