II 115th CONGRESS 2d Session S. 3760 IN THE SENATE OF THE UNITED STATES December 17, 2018 Mr. Paul (for himself, Mr. Cruz , and Mr. Grassley ) introduced the following bill; which was read twice and referred to the Committee on Environment and Public Works A BILL To amend the Federal Water Pollution Control Act to clarify the definition of navigable waters, and for other purposes.