The Sacramento Bee reported Thursday that the San Juan Water District board of directors approved the move this week.
The district serves more than 265,000 people in the Sacramento suburbs, including the communities of Citrus Heights, Orangevale and Folsom.
Most of its water comes from Folsom Reservoir, which the newspaper says has shrunk perilously low amid one of the driest winters in California history.
District General Manager Shauna Lorance says the call for conservation is not mandatory, but it could become so next month if the area doesn't get rain soon.
The district also is extending a request for a 20 percent cut in all water use that has been in place for months.
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.