To direct the Administrator of the Environmental Protection Agency to make grants to the State of Washington Puget Sound Water Quality Authority to implement the Puget Sound Water Quality Management Plan.

Directs the Administrator of the Environmental Protection Agency to make grants to the State of Washington Puget Sound Water Quality Authority or its successor for use in: (1) implementing and updating the Puget Sound Water Quality Management Plan; (2) implementing a program for ambient monitoring of the water quality of Puget Sound; (3) supporting research which will increase understanding of Puget Sound and human impacts on the Sound; and (4) conducting other activities related to improving the water quality of Puget Sound. Limits Federal funding to no more than 75 percent of the costs of grant activities. Requires the Authority or its successor to report to the Administrator by January 31 of each year on the grant activities of the preceding year. Authorizes appropriations.