Water resources data for Montana, water year 1975

Water resources data for the 1975 water year for Montana consist of records of stage, discharge, and water quality of streams; stage, contents, and water quality of lakes and reservoirs; and water levels in wells. This report contains discharge records for 213 gaging stations; stage only records for 1 lake station; stage and contents for 9 lakes and reservoirs; water quality for 85 gaging stations, 4 lakes; water levels for 18 observation wells. Also included are 219 crest-stage partial-record stations and 53 smaller reservoirs. 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 Montana.