The Competitive Enterprise Institute, Americans for Competitive Enterprise, Americans for Tax Reform, Committee for a Constructive Tomorrow, Institute for Energy Research, National Center for Public Policy Research, Science and Environmental Policy Project, Small Business & Entrepreneurship Council, and Texas Public Policy Foundation oppose the rule proposed by the Environmental Protection Agency and Army Corps of Engineers (“Agencies”) to redefine the term “Waters of the United States” for purposes of the Clean Water Act (“CWA”).