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 California Department of Water Resources says the state’s snowpack is “dismally meager.” A lack of snow in the Sierra is keeping rivers low and drying up some reservoirs.
The City of Roseville is yanking grass and replacing it with drought-resistant landscaping to conserve water. Roseville also offers homeowners a 'Cash For Grass' rebate program.
The City of Sacramento says water customers in 2014 "cut water use to the lowest level per person per day in 100 years."
Salmon rely on cool water temperatures and aquatic plants to survive. So California’s drought has hit them particularly hard. But UC Davis researchers have found one area where the fish are flourishing.
The United States Department of Agriculture says January is shaping up to be another dry month in the Lake Tahoe area and that signals an unprecedented fourth year of drought.