The U.S. Bureau of Reclamation will release less water from Nimbus Dam to the lower American River due to the dry winter conditions.
Flows in the river will go from 1100 cubic feet per second down to 500 cubic feet per second by Friday. The Bureau says the reduction is needed to protect fish and drinking water behind Folsom Dam.
The water content of the Sierra snowpack is about 20 percent of average for this time of year. California estimates it will only be able to deliver 5 percent of the water requested by 29 public agencies this year.
California has received less than 60 percent of the rain and snow this water year that it normally gets. Water managers are warning the new water year may be just as bad.
New motors, screens, and some casing repairs are in the works for eight of Sacramento's water wells. Some of the wells are more than 400-feet deep.
A long-range U.S. government forecast shows the drought in California will stick around.
The drought has farmers cutting back on watering, but some San Joaquin County growers say less water can mean a better crop.
The City of Sacramento Department of Utilities reports Friday that city water customers saved more than one-billion gallons of water last month.