II 116th CONGRESS 2d Session S. 3171 IN THE SENATE OF THE UNITED STATES January 9, 2020 Mr. Whitehouse (for himself, Mr. Cassidy , and Mr. Carper ) 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 reauthorize the National Estuary Program, and for other purposes.