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.
Improved drought conditions and more renewables lead to decrease in natural gas use this summer.
Californians' water use kept creeping back up in July after the lifting of mandatory statewide conservation orders for the drought.
A new study shows fire-fighting foam containing highly fluorinated chemicals is contaminating drinking water supplies around many of the nation's military bases, airports and industrial sites.
It has been a busy fire season across California. But there are fewer fires in the state’s 18 U.S. national forests so far this year, compared to 2015.
Update 8:00 p.m. Sunday: Crews are making "good progress" on the Cold Fire in Yolo County, now at 60% containment. In Monterey County, the Soberanes Fire remains at 45% containment with wind creating an additional challenge for firefighters.