II 115th CONGRESS 2d Session S. 2563 IN THE SENATE OF THE UNITED STATES March 15, 2018 Mr. Flake (for himself, Mr. McCain , Mr. Gardner , and Mr. Barrasso ) introduced the following bill; which was read twice and referred to the Committee on Energy and Natural Resources A BILL To improve the water supply and drought resilience of the United States, and for other purposes.