; (2) include steps to manage and reduce flood risks within the Snake River Basin; and (3) include a description of the actions the Secretary and the Commissioner of Reclamation plan to take to improve coordination with local stakeholders to help manage and reduce flood risks in the areas described in paragraph (1). (c) Submission Not later than 180 days after the date of enactment of this Act, after coordinating with local stakeholders, the Secretary shall submit to the Committee on Environment and Public Works of the Senate and the Committee on Transportation and Infrastructure of the House of Representatives the flood prevention plans developed under subsection (a). 3610. Authorization of appropriations for Columbia River Basin restoration Section 123(d) of the Federal Water Pollution Control Act ( 33 U.S.C. 1275(d) ) is amended by adding at the end the following: (6) Authorization of appropriations There are authorized to be appropriated to carry out this subsection— (A) $5,000,000 for fiscal year 2019; and (B) $30,000,000 for each of fiscal years 2020 and 2021. . H Environmental management 3701. Reauthorization of Rio Grande environmental management program Section 5056(f) of the Water Resources Development Act of 2007 (121 Stat. 1214; 128 Stat. 1315) is amended by striking each of fiscal years 2008 through 2019 and inserting each of fiscal years 2008 through 2021 . 3702. Amendments to Long Island Sound programs (a) Long Island Sound restoration program Section 119 of the Federal Water Pollution Control Act ( 33 U.S.C. 1269 ) is amended— (1) in subsection (b), by striking the subsection designation and heading and all that follows through The Office shall and inserting the following: (b) Office (1) Establishment The Administrator shall— (A) continue to carry out the conference study; and (B) establish an office, to be located on or near Long Island Sound. (2) Administration and staffing The Office shall