Considers legislation to amend Federal Water Pollution Control Act. S. 45, to increase grants to municipalities for sewage treatment plant projects. S. 120 and related H.R. 6441, to intensify HEW efforts to ensure sanitary water treatment plant and reservoir construction, to establish water quality research and testing labs, and to increase funding to states and local governments for regulated projects. S. 325, to authorize Surgeon General, HEW, to establish water pollution research lab in the Pacific Northwest to study problems of water supply, pollution, storage and aquatic life. S. 571, to authorize HEW and Interior Dept to seal off mines in states to prevent pollutant runoff into water supply. S. 861, to establish a Federal Water Pollution Control Administration in HEW to perform water pollution control tasks presently administered by HEW Surgeon General. S. 1475, to authorize HEW to provide a plan to balance forecasted reservoir water releases with pollution control.