Groundwater Recharge Suitability developed by LandIQ & subject to limitations of public soil & groundwater data resources used in analysis. Index derived from the Soil Agriculture Groundwater Banking Index (SAGBI) developed by UC Davis, depth to groundwater from Department of Water Resources data, and subsoil characteristics from USGS well log data analysis used in Central Valley Hydrologic Model. PDF version. To explore map in detail, use GRAT Viewer.
Groundwater Recharge Assessment Tool (GRAT)
Online tool to maximize and optimize groundwater recharge in over-drafted regions of California