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.
Just over a week after proposing a billion dollars in drought help, California Governor Jerry Brown has signed the aid package into law.
The California Legislature has sent a $1 billion emergency drought aid package to Gov. Jerry Brown. But one of the two measures in the package drew opposition from Republicans.
Californians show deep concern that the state’s drought may be a long-term problem in a new survey by the Public Policy Institute of California.
California Gov. Jerry Brown’s $1 billion drought response legislation is on its way to the Assembly after winning Senate approval Wednesday afternoon.
A little noticed provision of the proposed $1.1 billion drought relief bill could help poor communities.