Whereas the Federal Water Pollution Control Act ( 33 U.S.C. 1251 et seq.) (commonly known as the Clean Water Act ) is one of the most important laws in the United States and has led to decades of successful environmental improvements; Whereas the success of that Act depends on consistent adherence to the key principle of cooperative federalism, under which the Federal Government and State and local governments all have a role in protecting water resources; Whereas, in structuring the Federal Water Pollution Control Act ( 33 U.S.C. 1251 et seq.) based on the foundation of cooperative federalism, Congress left to the States their traditional authority over land and water, including farmers' fields, nonnavigable, wholly intrastate water (including puddles and ponds), and the allocation of water supplies; Whereas compliance with the principle of cooperative federalism requires that any regulation defining the term waters of the United States be promulgated— (1) after the establishment of a proper regulatory baseline for, and an evaluation of the costs and benefits of, the proposed regulatory definition of the term; (2) in compliance with— (A) chapter 6 of title 5, United States Code (commonly known as the Regulatory Flexibility Act ); and (B) the National Environmental Policy Act of 1969 ( 42 U.S.C. 4321 et seq.); and (3) in consultation with States and local governments, including consultation with respect to— (A) alternative proposals for changing the regulatory definition of the term; and (B) the impact of the alternative proposals, including costs and benefits, on State and local governments and small entities; Whereas, in promulgating the final rule entitled Clean Water Rule: Definition of Waters of the United States (80 Fed. Reg. 37054 (June 29, 2015)) (referred to in this preamble as the Waters of the United States Rule ), the Administrator of the Environmental Protection Agency and the Chief of Engineers— (1) failed to follow the procedural steps described in the fourth whereas clause