||Geological Survey, Iowa City, IA. Water Resources Div. ;Environmental Protection Agency, Washington, DC. ;Corps of Engineers, Washington, DC. ;Iowa State Geological Survey, Iowa City. ;Iowa State Highway Commission, Ames.
Water resources data for the 1972 water year for Iowa consist of records of stage, discharge, and water quality of streams; stage, contents, and water quality of lakes and reservoirs. This report contains discharge records for 121 gaging stations; stage and contents for 8 lakes and reservoirs; water quality for 24 gaging stations. Additional water data were collected at various sites, not part of the systematic data collection program, and are published as miscellaneous measurements and analyses. These data represent that part of the National Water Data System operated by the U.S. Geological Survey and cooperating local, State, and Federal agencies in Iowa.