The President called to get an update on the dry conditions, as 17 communities are in danger of running out of water within four months.
The White House says the President told Brown the federal government will keep working to support California's response to the drought.
The White House says the National Drought Resilience Partnership is coordinating the federal response.
The Federal Emergency Management Agency and the Agriculture Department are involved in the effort.
The San Joaquin County Board of Supervisors has voted to continue its drought emergency while other counties are looking at lifting conservation measures.
A UC Santa Cruz study finds transmission of West Nile virus is higher in drought years.
Today's Sierra snowpack survey has scientists with the California Department of Water Resources optimistic about the state's water supply.
California farms and ranches saw a nearly 17 percent drop in revenue from 2014 to 2015, according to a new review. The decrease had little to do with the drought.
California's tree die off has led a state oversight board to review forest management policies.