; 128 Stat. 158) is amended by striking for 5 years after the date of enactment of this Act and inserting until December 31, 2021 . 3123. Delaware River navigation project Section 1131(3) of the Water Resources Development Act of 1986 (100 Stat. 4246) is amended by striking ten feet and inserting 35 feet . 3124. Sense of Congress relating to erosion on the banks of the Ohio River near Clarksville, Indiana It is the sense of Congress that the Secretary should use the authority provided to the Secretary under section 9 of the Flood Control Act of 1946 (60 Stat. 643, chapter 596) to address erosion issues on the Ohio River near Clarksville, Indiana. C Locks, dams, levees, and dikes 3201. Certain levee improvements (a) In general In the case of a levee described in subsection (b), the Secretary is encouraged to cooperate to the maximum extent practicable with non-Federal sponsors to implement necessary improvements to the levee. (b) Levees described A levee referred to in subsection (a) is a levee that is— (1) owned, operated, and maintained by the Secretary; and (2) hydraulically tied to a community-owned levee that is not accredited by the Federal Emergency Management Agency in accordance with section 65.10 of title 44, Code of Federal Regulations (or successor regulations). 3202. Rehabilitation of Corps of Engineers constructed dams Section 1177 of the Water Infrastructure Improvements for the Nation Act ( 33 U.S.C. 467f–2 note; Public Law 114–322 ) is amended— (1) in subsection (e), by striking $10,000,000 and inserting $40,000,000 ; and (2) in subsection (f), by striking $10,000,000 and inserting $40,000,000 . 3203. Non-Federal dams The Secretary may accept and expend funds from an owner of a non-Federal dam for the review and revision of water operations manuals and flood control curves if the Secretary regulates the non-Federal facilities associated with the non-Federal dam under section 7 of the Act of December 22, 1944 (commonly known as the Flood Control Act of 1944 ) (58 Stat. 890, chapter 665