DWR administers many programs that provide grants, loans or other funding for Integrated Regional Water Management activities, including water conservation, agricultural water recycling, groundwater management, water quality and supply, and studies and activities to enhance local water supply reliability. Project eligibility depends on the type of organization(s) applying and participating in the project and the specific type of study or project.
More on DWR grant and loan programs http://www.water.ca.gov/nav/nav.cfm?loc=t&id=103
STATEWIDE GRANTS FOR FLOOD MANAGEMENT
The Statewide Grants Branch administers programs that provide financial support to local entities for flood related projects through the Subventions Program, the Flood Protection Corridor Program, and Local Levee Assistance Program .
More information about flood management funding programs http://www.water.ca.gov/floodmgmt/fpo/sgb/