Water resources data for the 1982 water year for California consists of records of stage, discharge, gage-height, and water quality of streams; stage, contents, and water quality of lakes and reservoirs; and water levels of wells. Volume 3 contains discharge records for 157 gaging stations; stage and contents for 39 lakes and reservoirs; gage height records for two lakes; water quality for 11 stations; and water levels for 54 observation wells. Also included are 11 crest-stage partial-record stations and one water-quality partial-record station. These data represent that part of the National Water Data System operated by the U.S. Geological Survey and cooperating State and Federal agencies in California.