The purpose of this legislation is to enhance and continue the efforts of federal and state governments in managing and improving water quality in the United States. It specifically aims to strengthen the partnership between federal and state authorities in developing and implementing clean water programs. Key provisions of the law include increased funding for wetlands programs and state management assistance. The legislation raises the funding cap for wetlands program development from $75 million to $300 million annually for the years 2026 through 2030.