Water resources data for the 1985 water year for Indiana consists of records of stage, discharge, and water quality of streams; stage and contents of 1 reservoir; and water levels in wells. This report contains discharge records for 185 gaging stations, stage and contents for 1 reservoir, water temperature for 1 gaging station, water quality for 5 gaging stations, and water levels for 84 observation wells. Also included are 25 crest-stage partial-record stations. Additional water data were collected at various sites, not part of the systematic data-collection program, and are published as miscellaneous measurements. 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 Indiana.