An amendment to the Roe substitute amendment to add a new section providing for studies of water pollution problems in aquifers. The study is to identify existing and potential point and nonpoint sources of pollution and measures and practices necessary to control them. The amendment specifies acquifers that are to be studied. On the basis of these public studies the EPA is to propose a plan of management which is to be submitted to Congress in final form within two years of the enactment of the bill. The amendment appropriates $10 million for FY'84 for the study.