FRESNO (CBS/AP) — State water officials are warning that low water levels in reservoirs across the state should be a warning that conservation measures might be necessary to get through next year.

With little chance for record-rain conditions to develop in the Pacific this winter, the state could be headed for trouble.

READ MORE: Despite Short-Term Drop in Vaccine Supply, State Officials Predict Full Reopening by Summer

Mike Cowin of the state Department of Water Resources said a drought has not been declared, but water managers will face a challenge if 2014 is dry.

READ MORE: San Francisco Nightlife Rebounds as Pandemic Restrictions Ease

Pine Flat Reservoir in the Fresno County foothills is at 16 percent capacity and most of the state’s other large water-storing reservoirs are well below average. California is coming off one of the driest winters on record.

Most of the state’s water comes from the Sierra snowpack.

MORE NEWS: U.S. Supreme Court Orders California to Lift Pandemic Restrictions on Home Worship

(Copyright 2013 by CBS San Francisco. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed)