Groundwater in Santa Barbara County

The map below illustrates all major groundwater basins recognized by the Department of Water Resources within Santa Barbara County.

(Click on the groundwater basin of interest to view related information)

Click on the basin to view information
   Santa Maria River Basin Cuyama Basin South Coast Basins San Antonio Basin Santa Ynez River Basin  

Groundwater Basins Map (pdf download)  


2021 Groundwater Data Report Cover