Water Resources Data, Oklahoma, Water Year 1991

Water resources data for the 1991 water year for Oklahoma consists of records of stage, discharge, and water quality of streams; stage, contents, and water quality of lakes or reservoirs; and water levels of ground-water wells. This report contains discharge records for 131 gaging stations; stage and contents for 30 lakes or reservoirs; water quality for 46 gaging stations and 2 lakes. Also included are 11 partial-record stations and 27 ground-water sites. These data represent that part of the National Water Data System collected by the U.S. Geological Survey and cooperating State and Federal agencies in Oklahoma.