Clean Water Act Amendments of 1982 : hearings before the Subcommittee on Environmental Pollution of the Committee on Environment and Public Works, United States Senate, Ninety-seventh Congress, second session on S. 777, a bill to amend the Federal Water Pollution Control Act to restrict the jurisdiction of the United States over the discharge of dredged or fill material to those discharges which are into navigable waters, and for other purposes : S. 2652, a bill to revise and extend certain provisions of the Federal Water Pollution Control Act, as amended, for five years, and for other purposes, July 21, 22, 28, and 29, 1982.