Water resources data for the 1983 water year consist of records of stage, dis-charge, and water quality of streams; stage, contents, and water quality of lakes and reservoirs; and water levels and water quality in wells. This report contains discharge records for 141 gaging stations; stage and contents for 24 lakes and reservoirs; water quality for 52 gaging stations; and water levels for 471 obser-vation wells and water quality for 212 wells. Also included are data for 91 crest-stage partial-record stations. All data in this report represent that part of the National Water Data System operated by the U.S. Geological Survey and cooperating State and Federal agencies in Kansas.