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.
Continued drought brings drawdown of groundwater in California, other western states.
High school football concussions, tax relief on home loan modifications, and homeowners association watering requirements – all subjects of bills signed Monday by California Gov. Jerry Brown.
California has approved tough new water restrictions, but how they’ll be enforced depends on where you live.
Many people living in small Central Valley communities in California are watching their wells run dry. US Agriculture Secretary Tom Vilsack announced more federal aid to help those hurt by the drought.
AP - U.S. Agriculture Secretary announced drought aid to help rural Californians.